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Appendix E-2_Phase II Report 3-8-17
PHASE II ENVIRONMENTAL SITE ASSESSMENT 17 Las Tunas Drive Arcadia, California 91007 Stantec Project No: 185803849 Prepared for: The Olson Company 3010 Old Ranch Parkway, Suite 100 Seal Beach, California Prepared by: Stantec Consulting Services Inc. 25864-F Business Center Drive Redlands, California March 8, 2017 Sign-off Sheet This document entitled PHASE II ENVIRONMENTAL SITE ASSESSMENT was prepared by Stantec Consulting Services Inc. for The Olson Company. The material in it reflects Stantec’s best judgment in light of the information available to it at the time of preparation. Any use which a third party makes of this report, or any reliance on or decisions made based on it, are the responsibilities of such third parties. Stantec Consulting Services Inc. accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. Author (signature) Matthew Sapp Geological Designer Quality Reviewer (signature) Dion Monge Associate Scientist Independent Reviewer (signature) Kyle Emerson, CEG Managing Principal Geologist PHASE II ENVIRONMENTAL SITE ASSESSMENT pc v:\1858\active\185803849\05_report_deliv\deliverables\reports\ph ii esa\2017_03_08_olson_arcadia_17_las_tunas_phiiesa.docx i Table of Contents EXECUTIVE SUMMARY ............................................................................................................... I 1.0 INTRODUCTION ...........................................................................................................1.1 1.1 PROPERTY DESCRIPTION AND OPERATIONS ............................................................... 1.1 1.2 PROPERTY GEOLOGY AND HYDROGEOLOGY ........................................................... 1.1 2.0 BACKGROUND INFORMATION ...................................................................................2.1 3.0 FIELD INVESTIGATION PROGRAM ...............................................................................3.1 3.1 SCOPE OF WORK ........................................................................................................... 3.1 3.2 SAMPLING PROCEDURES .............................................................................................. 3.2 3.3 BORING ABANDONMENT PROCEDURES ..................................................................... 3.3 3.4 DECONTAMINATION PROCEDURES ............................................................................. 3.3 3.5 WASTE DISPOSAL ............................................................................................................ 3.3 4.0 LABORATORY TESTING PROGRAM .............................................................................4.1 5.0 INVESTIGATION RESULTS .............................................................................................5.1 5.1 FIELD OBSERVATIONS ..................................................................................................... 5.1 5.2 ANALYTICAL RESULTS ..................................................................................................... 5.1 6.0 CONCLUSIONS AND RECOMMENDATIONS ...............................................................6.1 7.0 LIMITATIONS ................................................................................................................7.1 8.0 REFERENCES .................................................................................................................8.1 LIST OF TABLES Table 1 – Summary of Soil Analytical Results - VOCs Table 2 – Summary of Soil Analytical Results - Arsenic and Lead Table 3 – Summary of Soil Analytical Results - Pesticides Table 4 – Summary of Soil Vapor Analytical Results - VOCs LIST OF FIGURES Figure 1 – Property Location Map Figure 2 – Property Details Figure 3 – Proposed Property Details LIST OF APPENDICES Appendix A – Laboratory Data Sheets and QA/QC Results PHASE II ENVIRONMENTAL SITE ASSESSMENT i Executive Summary The subject property is currently a 5-acre parcel of land developed with an active multi-tenant commercial/retail building with an asphalt parking lot and a few landscaped areas at 17 Las Tunas Drive in Arcadia, California (the “Property”). Stantec previously completed a Phase I Environmental Site Assessment (ESA) report for the Property. The Phase I Environmental Site Assessment identified the following recognized environmental conditions (RECs) in connection with the Property: Historical Agricultural Use. The Property appears to have been used for agricultural purposes (i.e., as an orchard) prior to 1952. The orchard was removed and the Property became a vacant lot until it was developed with the current commercial building in circa 1970. Based on the historical agricultural use of the Property, Stantec recommended assessing shallow soils throughout the Property for residual organochlorine pesticides and heavy metals associated with herbicide application. Accordingly, Stantec conducted a Phase II ESA on February 1st, 2017. The Phase II ESA included the advancement of seven (7) shallow borings across the Site. The laboratory results indicated there was an elevated level of the organochloride pesticides 4,4’ – DDE in only one soil boring HA-4 at one-foot in depth. The concentration reported in HA-4 was above the U.S. EPA region 9 regional screening level (RSL) for residential uses of 2.0 mg/kg, reported as 2.4 mg/kg. To evaluate the lateral limits of this elevated detection of 4,4’-DDE, Stantec conducted additional sampling on February 16th, 2017, around boring HA-4, including a total of seven (7) additional sample locations. These additional borings determined the additional samples were below the residential RSL at each location sampled. However, the detected concentration of pesticides exceeded the California hazardous waste disposal level of 1.0 mg/kg at four of these locations. Dry Cleaner. The presence of Palace Cleaners is considered a REC to the Property. The facility has historically and is currently using tetrachloroethylene (PCE) for dry cleaning. The dry cleaning machine is underlain by secondary containment, but spills on the concrete floor were observed near the machine and in various locations in the unit. Drums containing waste products from the dry cleaning machine were not stored in secondary containment and spills were observed in the vicinity of the drums. Stantec recommended performing a soil and soil vapor survey at the Property to determine whether releases have affected the Property. To address this recommendation, on February 1, 2017, Stantec personnel oversaw the installation of) soil vapor probes at six (6) locations on the Property. Stantec placed soil PHASE II ENVIRONMENTAL SITE ASSESSMENT ii vapor probes in these boring at five (5) and 15 feet in depth in four of the locations at and behind the drycleaners. There were also two soil vapor probes set at a depth of five (5) feet near the former gasoline station located on the adjacent property southeast of the subject property. Twelve (12) soil samples were collected surrounding the dry cleaner for analysis for VOCs. None of the soil samples reported detections above the laboratory reporting level (i.e., the results were "non-detect"). To date, no soil impact by VOCs has been detected at the Site. With respect to soil vapor, there were multiple volatile organic chemicals (VOCs) detected at concentrations exceeding laboratory reporting limits in all samples collected from these soil vapor sample points at the Property. Tetrachloroethylene (PCE) was the only VOC detected at concentrations exceeding the residential screening levels (SLs) set by Department of Toxic Substance Control’s (DTSC) Health and Ecological Risk Office (HERO) Note 3 at 0.48 µg/L. This residential SL was determined using an attenuation factor of 0.001. The locations with PCE exceedances include SV-1 through SV-4, consecutively at 5 and 15 foot depths at each location. The maximum concentration of PCE detected was 3.17 µg/L in the 5 -foot sampling interval of SV-1. The results indicate that a soil vapor issue exists at the Property with respect to PCE above the anticipated acceptable risk level for residential use. The results further indicate the vapor concentrations increase with proximity to the drycleaners (identified source). The extent of the vapors could not be clearly identified by the soil vapor samples collected to date. Therefore, further assessment was conducted to define the lateral extent of impact in soil vapor. On February 16th, 2017, Stantec personnel oversaw the installation of five (5) additional soil vapor probe locations at the Property to further evaluate the lateral limits of the soil vapor impacts. Stantec placed soil vapor probes at each of the five (5) locations at depths of five (5) and ten (10) feet below ground surface (bgs). The locations are shown on figure 2 attached and were placed surrounding the drycleaners (source). The results of these additional soil vapor sample locations indicated that the soil vapor impact extends laterally across the Property from the drycleaners , with the preferential pathway being to the south under the paved parking lot . The lateral limits to concentration below the residential screening level were essentially defined to the east and west (see figure 3). The southern extent of the vapors, however, was not defined. The property line to the north did not allow for definition beyond that boundary, and the limits appear to extend beyond that boundary. Therefore, additional assessment was recommended to further define the lateral extent of impact in soil vapor on the property to the south. Stantec personnel installed two (2) additional soil vapor probes at the Property on February 24th, 2017. Stantec placed soil vapor probes at 5 feet in two locations in the southern PHASE II ENVIRONMENTAL SITE ASSESSMENT iii central portion of the Property southwest and southeast of the previous location in front of the drycleaners to define the limits of impact in that direction. The soil vapor samples collected from these two points indicated that the soil vapor impacted above residential screening levels extends south to the southern Property line (see figure 3) and potentially off-site to the south. CONCLUSIONS Based on the detected concentrations of PCE in soil vapor above the residential screening levels, it is anticipated that upon completion of a human health risk assessment (HHRA) vapor intrusion protection will be necessary. The collected data does not indicate that remediation is warranted, but that vapor mitigation measures may be warranted. Based on the data collected to date, the proposed building locations where vapor mitigation is anticipated to be necessary is shown on Figure 3. Based on discussions with the County of Los Angeles Fire Department (CLAFD) all vapor barriers will need to be passive in nature and designed to be converted to active systems if needed. In addition, the barrier system will need to be designed to allow for monitoring of vapors below and above the barrier system. Based on the detection of DDE above the residential RSL, Stantec anticipates that limited removal of pesticide-impacted soil will be necessary. DDE and other pesticides above the California hazardous waste level will require containment on the property. Should these soil require off -site disposal, they will require property profiling and may require disposal as a California hazardous waste. It is recommended that the CLAFD be engaged to evaluate scope of additional assessment necessary to develop an approved remedial action plan (RAP) for the Sit e. It is anticipated that additional assessment of pesticide and soil vapor impacts will be requested. That request will most likely involve off site assessment of soil vapor impact to evaluate if adverse affected exist to adjacent properties. Additionally, Stantec evaluated the non-ASTM environmental issue of potential asbestos in “Petromat” (an asphalt stabilizing agent) in connection with the Phase II subsurface investigation. Specifically, Stantec personnel oversaw the coring of five (5) asphalt core locations throughout the Property on February 1st, 2017. Based on a thorough inspection of the asphalt cores, no Petromat was observed in any of the asphalt cores. Stantec concludes that asbestos in Petromat does not represent an environmental concern a nd recommends no further investigation regarding this issue. PHASE II ENVIRONMENTAL SITE ASSESSMENT INTRODUCTION March 8, 2017 1.1 1.0 INTRODUCTION This report documents the methodology and results of a Phase II Environmental Site Assessment (ESA) investigation completed by Stantec Consulting Services Inc. (Stantec) for a single parcel of land that is approximately 5 acres currently designated as commercial use on Las Tunas Drive, Arcadia, California (the “Property”). The assessor parcel numbers (APNs) for the Property are 578- 8020-030 and 578-8020-031. A property location map is illustrated on Figure 1. A property details map illustrating the main features of the Property is provided as Figure 2. The completed work was conducted in accordance with the Master Services Agreement between Stantec and the Client . The scope of work and the results of the investigation are described in subsequent sections. The following subsections provide the property description and a summary of past operations. 1.1 PROPERTY DESCRIPTION AND OPERATIONS The Property consists of a 5-acre parcel of land developed with an active multi-tenant commercial/retail building. Tenants include Palace Cleaners (a dry cleaner), Rite Aid, O’Reilly Auto Parts, Wash Land (coin-operated laundry), RJ Restaurant, MP Sound, Arcadia Adult Day Health Care, Goodwill, and Little Stanford Academy (tutor school program). Surrounding properties consist of a church on the adjoining property to the north with residential property, Medical offices on the adjoining property to the west, retail properties to the south East Live Oak and Las Tunas Drive, and a gas station to the east a cross South Santa Anita Avenue. A property location map is illustrated on Figure 1. A property details map illustrating the main features of the Property is provided as Figure 2. 1.2 PROPERTY GEOLOGY AND HYDROGEOLOGY The Property is located in Los Angeles County. The area is located within the Peninsular Ranges Geomorphic Province, which includes northwest-southeast trending mountain ranges and valleys that have been developed by the San Andreas Fault system (California Geologica l Survey [CGS], 2002). The stratigraphy underlying the Property consists primarily of recent-age alluvial deposits (CDMG, 1962). Phase II activities at a nearby facility found soils to be silty sands to a depth of 15 feet bgs. The closest mapped recently active fault is the Raymond Fault located approximately 1.5 miles northwest (CGS, 2010). According to official maps of California, the Site is located within an Alquist - Priolo (AP) Earthquake Fault Zone boundary and a liquefaction zone (CDMG, 2000). The Property is located within the San Gabriel Valley Groundwater Basin. The basin is constrained by the Raymond fault to the north, the Merced and Puente Hills to the sand and west, and to the east by Chino and San Jose faults. Several aquifers are present in t he basin and water-bearing units consist of semi consolidated alluvium (Department of Water Resources [DWR], 2004). PHASE II ENVIRONMENTAL SITE ASSESSMENT INTRODUCTION March 8, 2017 1.2 Groundwater sampling conducted roughly a quarter mile to the southwest of the Property reported groundwater depth at approximately 140 feet bgs (DPW, 2013). It is assumed that groundwater gradient follows the topographic gradient to the south. PHASE II ENVIRONMENTAL SITE ASSESSMENT BACKGROUND INFORMATION March 8, 2017 2.1 2.0 BACKGROUND INFORMATION Stantec completed a Phase I Environmental Site Assessment (ESA) for the Property and identified the following recognized environmental conditions (RECs) associated with the Property: Historical Agricultural Use. The Property appears to have been used for agricultural purposes (i.e., as an orchard) prior to 1952. The orchard was removed and the Property became a vacant lot until it was developed with the current commercial building in circa 1970. This historical agricultural use was identified as REC to the site due to the potential for the presence of residual pesticides and metals associated with herbicide use on the Property., Stantec recommended conducting a Phase II ESA to assess this REC. Dry Cleaner. The presence of Palace Cleaners is considered a RE C to the Property. The facility has historically and is currently using tetrachloroeth ylene (PCE) in the cleaning of clothes. The dry cleaning machine is underlain by secondary containment, but spills on the concrete floor were observed near the machine and in various locations in the unit. Drum s containing waste products from the dry cleaning machine were not stored in s econdary containment and spills were observed in the vicinity of the drums. Stantec recommended a soil and soil vapor survey at the Property to determine whether releases of PCE and other volatile organic compounds (VOCs) have affected the Property. Historical Gasoline Station. A former gasoline station was located at the northwest corner of South Santa Anita Avenue and East Live Oak Avenue. The former service station received closure in 1996 after removal of the underground storage tanks (USTs) from the California Regional Water Quality Control Board ; however, no soil vapor data was collected at this facility as part of closure. This facility reportedly contained two 12 ,000 gallon USTs containing gasoline, one 7,500-gallon gasoline UST, one 5,000-gallon diesel UST, and a waste oil UST. The facility received case closure on October 2, 1996 for a release to soil. No additional information regarding the USTs was provided by EDR or available online. Given that the facility is adjacent to the Property and no soil vapor data has been collected, the facility is considered a REC to the Property. Stantec would recommend collection of soil vapor samples along the common property lines with this property. Additionally, Stantec had identified the following non-ASTM environmental issues in connection with the Property: Petromat. The majority of the Property is paved with asphalt. Stantec recommends inspecting the asphalt for the presence of Petromat and, if observed, sampling Petromat for the presence of asbestos. In addition, Stantec has identified the following de minimis condition: Above-Ground Storage Tank. O’ Reilly Auto Parts contains new motor oil for sale in the store front. In the storage area at the rear of the building it is reported that an above PHASE II ENVIRONMENTAL SITE ASSESSMENT BACKGROUND INFORMATION March 8, 2017 2.2 ground used oil storage tank exists. Stantec was not allowed to view this area by the property owner at the time of the Property visit. Due to the nature of oil and the fact that the tank is located above-ground, that feature is unlikely to represent an environmental concern of any significance. Based on these findings a Phase II ESA was recommended for the property. The results of that Phase II ESA are presented below. PHASE II ENVIRONMENTAL SITE ASSESSMENT FIELD INVESTIGATION PROGRAM March 8, 2017 3.1 3.0 FIELD INVESTIGATION PROGRAM 3.1 SCOPE OF WORK The scope of work consisted of the following general elements: Pre-Drilling Activities Prior to the commencement of fieldwork activities Stantec made the following preparations: As required by law, Stantec visited the Property to mark the proposed boring locations and acquire a current Underground Service Alert (USA) ticket number prior to commencement of Property drilling activities. In accordance with federal OSHA regulations (29 CFR, Section 1910.120), Stantec developed a site specific Health and Safety Plan (HASP) for the subject property. All Stantec personnel and subcontractors associated with the project were required to be familiar with, and comply with, all provisions of the HASP. Field Investigation Stantec provided the services of a field geologist or engineer to supervise and direct all onsite activities. All work was conducted under the supervision of a State of California registered professional and include the following: Dry Cleaning Operations and Adjacent Gasoline Service Station: On February 1st, four (4) soil borings were advanced to a depth of 16 feet below ground surface (bgs) with soil vapor probes set in at 5.0 and 15.0 feet. Soil samples were collected at 5.0 to 5.5, 10.0 to 10.5, and 15.0 to 15.5 feet bgs. These four locations were placed in the direct vicinity of the dry cleaning facility. Two (2) more soil borings were placed near the southeast adjacent property and advanced to a depth of 6 feet bgs with soil vapor probes set in at 5.0 feet. Soil samples were collected at 5.0 to 5.5 feet bgs. On February 16th, five (5) additional locations were drilled to install soil vapor probes at 5.0 and 10.0 feet. Historical Agricultural Activities: On February 1st, five (5) soil borings were advanced to a depth of 1 feet bgs with soil samples collected at 0.5 to 1.0 foot. Two samples were collected at 0.5 to 1.0 foot from the two 6 feet soil boring locations as noted in the above section. The soil samples were collected across the Property. Soil samples were analyzed for pesticides, lead, and arsenic. On February 16th, seven additional locations were hand augered to a depth of 3.0 feet. Soil samples were collected at 0.5 to 1.0 and 2.5 to 3.0. Petromat: Five (5) boring locations throughout the parking lot were cored and inspected for Petromat. PHASE II ENVIRONMENTAL SITE ASSESSMENT FIELD INVESTIGATION PROGRAM March 8, 2017 3.2 3.2 SAMPLING PROCEDURES Soil Sampling For Geoprobe sampling locations, soil samples were collected at depths of 5.0 to 5.5 feet, 10.0 to 10.5 feet, and 15.0 to 15.5 feet bgs. Upon advancement of the Geoprobe to the desired depth, the direct push sampler was withdrawn from the boring, and the acetate liner within the sampler was removed and cut a sample section at desired depth. The sample ends were covered with Teflon sheets, capped, and sealed with non-voc tape. The rest of the sample was logged. For hand auger sampling locations, soil samples were collected at depths of 0.5 to 1.0 feet. Upon advancement of the hand auger to the desired depth, the auger was withdrawn from the boring, and the contents of the auger bucket were discharged into a clean 4 -ounce glass jar provided by the laboratory, and sealed with a threaded Teflon lined lid. All soil sample containers were sealed tightly and labeled with appropriate identification information (boring number, sample depth, sample collection date, and sample collection time). The samples were then logged on a chain -of-custody form and placed in a cooler for transport to the laboratory. Copies of the chain-of-custody forms are included as Appendix A. Soil Vapor Sampling Soil vapor sampling points were installed by pushing the Geoprobe tip from five (5) to 16 feet, or five (5) and ten (10) feet (dependent of the round of testing) removing the rods and then lowering a diffuser point connected to 1/8-inch Tygon or polyethylene tubing to the target depth. The diffuser point was then backfilled with approximately one foot of sand and then backfilled with bentonite. After placement, all soil vapor sample points were allowed to remain in place for 48 hours prior to sampling. All soil vapor samples were collected after 48 hours at a flow rate of 200 milliliters per minute (ml/min) by the mobile laboratory technician. All soil vapor samples were collected by the mobile laboratory technician into a syringe attached to a stopcock to p revent dilution from atmospheric air. Each samples then was delivered to the mobile laboratory for analysis. To assess the potential for air leakage between the sample point and surface, a tracer gas mixture of n- pentane, n- hexane, and n-heptane was placed at the surface seal at the time of sampling and then tested by the EPA Method 8260B method. None of the tracer gas mixture was found in sample results. One replicate sample was collected and submitted to the laboratory for Quality Assurance/ Quality Control (QA/QC) purposes. The COC records for the samples collected from the borings are presented in Appendix A. Asphalt Coring The asphalt was cored through in five (5) boring locations and inspected for a layer of Petromat. Because no Petromat layer was observed, no samples were collected for analysis of asbestos. PHASE II ENVIRONMENTAL SITE ASSESSMENT FIELD INVESTIGATION PROGRAM March 8, 2017 3.3 3.3 BORING ABANDONMENT PROCEDURES Following the completion of drilling and soil sampling, borings were abandoned by removing the sampling equipment from the borehole and sub sequently backfilling with Hydrated bentonite. Surfaces were finished to match the surrounding surface conditions. 3.4 DECONTAMINATION PROCEDURES To maintain quality control during soil sampling, prior to each sampling interval, the sampling equipment was decontaminated in an Alconox scrub solution and double-rinsed, first with tap water followed by a final rinse using distilled water. In addition, prior to, and between each boring advanced, the hollow steel rods were cleaned following the same protocol. 3.5 WASTE DISPOSAL All soil cuttings generated during this investigation were placed in 55-gallon drum behind the commercial facility. PHASE II ENVIRONMENTAL SITE ASSESSMENT LABORATORY TESTING PROGRAM March 8, 2017 4.1 4.0 LABORATORY TESTING PROGRAM A total of twenty-six (26) soil samples from the Property collected during this investigation were delivered under chain-of-custody (Appendix A) to Eurofins Calscience Environmental Laboratories (CEL) based out of Garden Grove, California. CEL is certified to perform hazardous waste testing by the State of California Department of Health Services, Environmental Laboratory Accreditation Program. A total of twenty-one (21) soil vapor samples plus a two duplicate collected during each sampling event were collected under chain-of-custody (Appendix A) by a mobile lab by Jones Environmental Inc. (Jones) based out of Santa Fe Springs, California. Jones is certified to perform hazardous waste testing by the State of California Department of Health Services, Environmental Laboratory Accreditation Program. Twelve (12) soil samples were analyzed for volatile organic chemicals (VOCs) by EPA test method 8260b. Seven (7) soil samples were analyzed for arsenic and lead by EPA test method 6010b. Fourteen (14) soil samples were analyzed for pesticides by EPA test method 8081a. Twenty-one (21) soil vapor samples were analyzed for VOCs by EPA test method 8260b. Analytical results are tabulated in Table 1, 2, 3, and 4. Analytical laboratory test results are included in Appendix A and discussed in Section 5.0. PHASE II ENVIRONMENTAL SITE ASSESSMENT INVESTIGATION RESULTS March 8, 2017 5.1 5.0 INVESTIGATION RESULTS 5.1 FIELD OBSERVATIONS On February 1, 2017, Stantec personnel oversaw the advancement of eleven (11) borings at the Property. Soils encountered during the investigation consisted of sandy silts, silty sands, and one area of fill with well graded sands. No groundwater was encountered in any of the boreholes. No staining or hydrocarbon odors were observed in any of the boreholes. On February 16, 2017, Stantec personnel oversaw the advancement of twelve (12) additional borings at the Property. On February 24, 2017, Stantec oversaw the placement of two additional soil vapor sample location on the property. 5.2 ANALYTICAL RESULTS The laboratory test results are discussed below. Laboratory test results are summarized in attached Table 1, 2, 3, and 4. The complete laboratory analytical test results are presented on the laboratory data sheets attached as Appendix A. Soil Samples A total of twenty-seven (27) soil samples were collected during this investigation for the analysis of VOCs by EPA test method 8260, lead and arsenic by EPA test method 6010B, or pesticides by EPA method 8081A. No soil samples collected during this investigation reported VOCs above the method reporting limit, i.e. all analyzed soil samples were non-detect. Arsenic was reported above laboratory reporting limits in seven (7) samples ranging from 1.77 milligrams per kilogram (mg/kg) and 5.48 mg/kg. Lead was reported in all seven (7) samples analyzed ranging from 6.44 mg/kg to 40.3 mg/kg (see Table 2). Concentrations of arsenic and lead were within expected California background levels. Therefore, no additional assessment was deemed necessary with regards to these metals. Pesticides were reported above laboratory reporting limits in all seven (7) samples in various analytes including: 4,4’-DDD, 4,4’-DDE, 4,4’-DDT, Dieldrin, and Toxaphene. 4,4’-DDE was reported in six (6) samples analyzed ranging from 0.065 mg/kg to 2.40 mg/kg (see Table 3). The sample at HA-4 at one foot reported an 4,4’-DDE concentration of 2.40 mg/Kg which exceeds residential U.S. EPA regional screening levels (RSL) of 2.0 mg/kg. In addition, the detected concentration at HA-4 exceeded the California hazardous waste level of 1.0 mg/kg, if removed from the property. An additional round of soil sampling was conducted to delineate the extents of pesticide impact surrounding boring HA-4. Pesticides were reported above laboratory reporting limits in six (6) of the seven (7) samples in various analytes including: 4,4’-DDD, 4,4’-DDE, and 4,4’-DDT. 4,4’-DDE was reported in six (6) samples analyzed ranging from 0.039 mg/kg to 1.80 mg/kg (see Table 3). All additional samples were detected below EPA RSLs for residential use. However, four of these PHASE II ENVIRONMENTAL SITE ASSESSMENT INVESTIGATION RESULTS March 8, 2017 5.2 samples contained DDE or a combination of DDT, DDE, and DDD above 1.0 mg/kg, which would potentially define the material if removed from the site as a California hazardous waste. Twelve (12) soil samples were collected surrounding the dry cleaner for analysis for VOCs. None of the soil samples reported detections above the laboratory reporting level. To date no soil impact by VOCs has been detected at the Site. Soil Vapor Samples The presence of Palace Cleaners is considered a REC to the Property. The facility has historically and is currently using tetrachloroethylene (PCE) in the cleaning of clothes. The dry cleaning machine is underlain by secondary containment, but spills on the concrete floor were observed near the machine and in various locations in the unit. Drums containing waste products from the dry cleaning machine were not stored in secondary containment and spills were observed in the vicinity of the drums. Stantec recommends a soil and soil vapor survey at the Property to determine whether releases have affected the Property. To address this recommendation, on February 1, 2017, Stantec personnel oversaw the installation of) soil vapor probes at six (6) locations on the Property. Stantec placed soil vapor probes in these boring at five (5) and 15 feet in depth in four of the locations at and behind the drycleaners. There were also two soil vapor probes set at a depth of five (5) feet near the former gasoline station located on the adjacent property southeast of the subject property. There were multiple volatile organic chemicals (VOCs) detected at concentrations exceeding laboratory reporting limits in all of the soil vapor samples collected from these soil vapor sample points at the Property. However, soil samples collected from these boring did not detected impact by any reported VOC above laboratory reporting levels. Tetrachloroethylene (PCE) was the only VOC detected at concentrations exceeding the residential screening levels (SLs) set by Department of Toxic Substance Control’s (DTSC) Health and Ecological Risk Office (HERO) Note 3 at 0.48 µg/L. This residential SL was determined using an attenuation factor of 0.001. The locations with PCE exceedances include S V-1 through SV-4, consecutively at 5 and 15 foot depths at each location. The maximum concentration of PCE detected was 3.17 µg/L in the 5-foot sampling interval of SV-1. The results indicate that a soil vapor issue exists at the Property with respect to PCE above the anticipated acceptable risk level for residential use. The results further indicate the vapor concentrations increase with proximity to the drycleaners (identified source). The extent of the vapors, however, could not be clearly identified by the soil vapor samples collected. Therefore, further assessment was conducted to define the lateral extent of impact in soil vapor. On February 16th, 2017, Stantec personnel oversaw the installation of five (5) additional soil vapor probe locations at the Property to further evaluate the lateral limits of soil vapor impacts. Stantec placed soil vapor probes at each of the five (5) locations at depths of five (5) and ten (10) feet below ground surface (bgs). The locations are shown on figure 2 attached an d were placed surrounding the drycleaners (source). PHASE II ENVIRONMENTAL SITE ASSESSMENT INVESTIGATION RESULTS March 8, 2017 5.3 The results of these additional soil vapor sample locations indicated that the soil vapor impact extends laterally across the Property from the drycleaners, with preferential to the south under the paved parking lot. The lateral limits to concentration below the residential screening level were essentially defined to the east and west (see figure 3). The southern extent of the vapors, were not defined. The property line to the north did not allow for definition beyond that boundary, and the limits appear to extend beyond that boundary. Therefore, additional assessment was recommended to further define the lateral extent of impact in soil vapor on the property to the south. Stantec personnel installed two (2) additional soil vapor probes at the Property on February 24 th, 2017. Stantec placed soil vapor probes at 5 feet in two locations in the southern central portion of the Property southwest and southeast of the previous location in front of the drycleaners to define the limits of impact in that direction. PHASE II ENVIRONMENTAL SITE ASSESSMENT CONCLUSIONS AND RECOMMENDATIONS March 8, 2017 6.1 6.0 CONCLUSIONS AND RECOMMENDATIONS Based on the detected concentrations of PCE in soil vapor above the residential screening levels, it is anticipated that upon completion of a human health risk assessment (HHRA) vapor intrusion protection will be necessary. The collected data does not indicate that remediation is warranted, but that vapor mitigation measures may be warranted. Based on the data collected to date, the proposed building locations where vapor mitigation is anticipated to be necessary is shown on Figure 3. Based on discussions with the County of Los Angeles Fire Department (CLAFD) all vapor barriers will need to be passive in nature and designed to be converted to active systems if needed. In addition, the barrier system will need to be designed to allow for monitoring of vapors below and above the barrier system. Based on the detection of DDE above the residential RSL, Stantec anticipates that limited removal of pesticide-impacted soil will be necessary. DDE and other pesticides above the California hazardous waste level will require containment on the property. Should these soil require off -site disposal, they will require property profiling and may require disposal as a California hazardous waste. It is recommended that the CLAFD be engaged to evaluate scope of additional as sessment necessary to develop an approved remedial action plan (RAP) for the Site. It is anticipated that additional assessment of pesticide and soil vapor impacts will be requested. That request will most likely involve off site assessment of soil vapor i mpact to evaluate if adverse affected exist to adjacent properties. Additionally, Stantec evaluated the non-ASTM environmental issue of potential asbestos in “Petromat” (an asphalt stabilizing agent) in connection with the Phase II subsurface investigati on. Specifically, Stantec personnel oversaw the coring of five (5) asphalt core locations throughout the Property on February 1st, 2017. Based on a thorough inspection of the asphalt cores, no Petromat was observed in any of the asphalt cores. Stantec concludes that asbestos in Petromat does not represent an environmental concern and recommends no further investigation regarding this issue. PHASE II ENVIRONMENTAL SITE ASSESSMENT LIMITATIONS March 8, 2017 7.1 7.0 LIMITATIONS The conclusions presented in this report are professional opinions based on data described in this report. The opinions of this report have been arrived at in accordance with currently accepted hydrogeologic and engineering standards and practices applicable to this location, and are subject to the following inherent limitations. Stantec makes no other warranty, either expressed or implied, concerning the conclusions and professional advice that is contained within the body of this report. Inherent in most projects performed in a heterogeneous subsurface environment, continuing excavation and assessments may reveal findings that are different than those presented herein. This facet of the environmental profession should be considered when formulating professional opinions on the limited data collected on these project s. This report has been issued with the clear understanding that it is the responsibility of the owner, or their representative, to make appropriate notifications to regulatory agencies. It is specifically not the responsibility of Stantec to conduct app ropriate notifications as specified by current County and State regulations. The information presented in this report is valid as of the date o ur exploration was performed. Property conditions may degrade with time; consequently, the findings presented h erein are subject to change. In the event of any conflict between the terms and conditions of this report and the terms and conditions of the Master Services Agreement (MSA), the MSA shall control. PHASE II ENVIRONMENTAL SITE ASSESSMENT REFERENCES March 8, 2017 8.1 8.0 REFERENCES American Society for Testing and Materials, Standard Practice for Environmental Site Assessments: Phase 1 Environmental Site Assessment Process, Designation: E 1527-13, November 2013. California Department of Conservation, Division of Oil, Gas, and Geothermal Resources (DOG), 2017, website http://maps.conservation.ca.gov/doms/index.html California Division of Mines and Geology (CDMG), 1969, Geologic Map of California, Los Angeles Sheet, scale 1:250,000. California Geological Survey (CGS), 2002, California Geomorphic Provinces, Note 36. _____, 2016a, Fault Activity Map of California, adjustable scale, http://www.quake.ca.gov/gmaps/FAM/faultactivitymap.html. _____, 2016b, Alquist-Priolo Earthquake Fault Zones of California, http://www.quake.ca.gov/gmaps/ap/ap_maps.htm. California Water Resources Control Board (SWRCB), 2017 , GeoTracker Database, website download from http://geotracker.swrcb.ca.gov/ Environmental Data Resources, Inc. (EDR), EDR Radius Map with Geocheck, Inquiry Number 4835901.2s, dated January 24, 2017. _____, Certified Sanborn Map Report, Inquiry Number 4835901.3, dated January 24, 2017. _____, Historical Topographic Map Report, Inquiry Number 4835901.4, dated January 24, 2017. _____, City Directory Abstract, Inquiry Number 4835901.9, dated January 24, 2017. _____, Aerial Photo Decade Package, Inquiry Number 4835901.5, January 24, 2017. United States Geological Survey (USGS), 2012, El Monte Quadrangle, 7.5 Minute Topographic Map, Scale 1 inch = 2,400 feet TABLES PCETCEBenzeneTolueneEthylbenzeneTotal XylenesNaphthaleneOther VOCs24 0.94 1.2 4,900 5.8 650 3.8 variesSV-1-52/1/2017 5 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-1-102/1/2017 10 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.052 <variesSV-1-152/1/2017 15 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-2-52/1/2017 5 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-2-102/1/201710ND<0.0052 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.0052 ND<0.052 <variesSV-2-152/1/201715ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-3-5 2/1/20175ND<0.0051 ND<0.0051 ND<0.0051 ND<0.0051 ND<0.0051 ND<0.0051 ND<0.051 <variesSV-3-102/1/2017 10 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-3-152/1/2017 15 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.049 <variesSV-4-52/1/2017 5 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-4-102/1/2017 10 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.0050 ND<0.05 <variesSV-4-152/2/2017 15 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.0049 ND<0.049 <variesNOTES:ABBREVIATIONS:All concentrations are reported in mg/Kg VOC - Volatile OrganicCompounds(1) Refer to Figure 2 for sampling locations mg/Kg - miligrams per kilogram(2) Sampling depth is reported as feet below ground surface NA - Not Analyzed < - Indicates the concentration was not detected abovethe laboratory method report limit.ND - Non DetectBOLD - Indicates the concentration is above the laboratory reporting levelConcentration exceeds USEPA Region 9 RLSTable 1Summary of Soil Analytical Results - VOCsLas Tunas Dr & Santa Anita AveArcadia, CaliforniaStantec Project No.: 185803849EPA 8260BResidential Screening Levels (mg/kg)SamplesSample ID (1)Sampling DateSampling Depth (2)VOCs Arsenic Lead0.68 800.6-11.0 12.4 - 97.1SV-5-1 2/1/2017 1.0 1.8 11.4SV-6-1 2/1/2017 1.0 3.36 27.0HA-1-1 2/1/2017 1.0 3.89 33.8HA-2-1 2/1/2017 1.0 4.31 14.1HA-3-1 2/1/2017 1.0 2.05 6.4HA-4-1 2/1/2017 1.0 5.48 32.1HA-5-1 2/1/2017 1.0 2.76 40.3NOTES:(1) Refer to Figure 2 for sampling locations(2) Concentrations reported in milligrams per kilogram (mg/kg), EPA Test Method 6010B< - Indicates the concentration was not detected above the laboratory method reporting limit.-- indicates the sample was not anaylzedABBREVIATIONS:USEPA RSLs - United States Environmental Protection Agency Regional Screening Levels for Residential Soils(May 2016)BOLD - Indicates the concentration is above the laboratory reporting levelConcentration exceeds USEPA Region 9 RLSConcentration exceeds Southern California regional background levelsTable 2Summary of Soil Analytical Results - Lead & ArsenicLas Tunas Dr & Santa Anita AveArcadia, CaliforniaStantec Project No.: 185803849SamplesSample ID (1)SamplingDateSamplingDepth(ft)California Background Levels (mg/kg)USEPA RSLs (mg/kg)Metals (mg/kg)EPA 6010B (2) 4,4'-DDD 4,4'-DDE 4,4'-DDTTotal DDT CompoundsDieldrinOther OCPs2.3 2.0 1.9 NE 0.034 variesHazardous Waste Levels (mg/Kg) 1.0 1.0 1.0 1.0 8.0 variesNE NE NE NE NENESV-5-1 1 2/1/2017 ND0.065 0.012 0.077ND <variesSV-6-1 1 2/1/2017 ND0.220 0.044 0.264 0.0099Toxaphene: 0.480HA-1-1 1 2/1/2017 ND0.400 0.110 0.51ND <variesHA-2-1 1 2/1/2017 ND0.160 0.0087 0.169ND <variesHA-3-1 1 2/1/2017 ND ND0.0097 0.0097ND <variesHA-4-1 1 2/1/2017 ND2.400 1.000 3.4ND <variesHA-5-1 1 2/1/20170.0071 0.270 0.074 0.351ND <variesHA-6-1 1 2/16/2017 ND1.100 0.13 1.230ND <variesHA-7-1 1 2/16/2017 ND1.300 0.19 1.490ND <variesHA-8-1 1 2/16/2017 ND ND ND ND ND <variesHA-9-1 1 2/16/20170.051 1.400 0.320 1.771ND <variesHA-10-1 1 2/16/2017 ND1.800 0.680 2.480ND <variesHA-11-1 1 2/16/20170.026 0.230 0.270 0.526ND <variesHA-12-3 3 2/16/2017 ND0.039 0.009 0.048ND <variesNOTES:ABBREVIATIONS:(1) Sample depth is reported as feet below ground surfaceDTSC - Department of Toxic Substances ControlHERO - Human and Ecological Risk OfficeNA - Not analyzedAll concentrations reported in milligrams of metal per kilogram of soil (mg/kg)ND - Not detected< - Indicates the concentration was not detected above the laboratory method reporting limit. NE - Not establishedBOLD - Indicates the concentration is above the laboratory reporting level USEPA RSL - Concentration exceeds USEPA Region 9 RLSConcentration exceeds Southern California regional background levelsScreening Levels for residential soil (mg/Kg) (2)Typical Background Levels in California(2) Screening level value is determined by the more conservative value from the California DTSC HERO Note 3 or USEPA RSLs.United States Environmental Protection Agency Regional Screening Levels, residential useTable 3Summary of Soil Analytical Results - PesticidesLas Tunas Dr & Santa Anita AveArcadia, CaliforniaStantec Project No.: 185803849LocationDepth (1)DatePesticides (EPA Test Method 8081A)Samples Benzene Toluene Ethylbenzene Total Xylenes PCE TCE Styrene F11 1,2,4-TMB Other VOCs0.097 310 1.1 100 0.48 0.48 940 1,300 7 variesSV1-5 3 2/3/2017 5 ND<0.0080.016 0.010 0.016 3.17ND<0.0080.118 0.009ND<0.008 <variesSV1-5 REP 3 2/3/2017 5 ND<0.0080.015 0.010 0.014 2.64ND<0.0080.118 0.008ND<0.008SV1-15 3 2/3/2017 15 ND<0.0080.023ND<0.0080.019 2.63ND<0.0080.133 0.008 0.009<variesSV2-5 3 2/3/2017 5 ND<0.0080.018 0.011 0.019 2.74ND<0.0080.113 0.009 0.009<variesSV2-15 3 2/3/2017 15 ND<0.0080.028 0.018 0.020 2.91ND<0.0080.172 0.010 0.010Isopropylbenzene: 0.011 n-Propylbenzene: 0.010 SV3-5 3 2/3/2017 5 ND<0.0080.022 0.012 0.056 1.50ND<0.008 ND<0.008 ND<0.0080.032<variesSV3-15 3 2/3/2017 15 ND<0.0080.014 0.008 0.020 2.23ND<0.0080.089ND<0.0080.011SV4-5 3 2/3/2017 5 ND<0.0080.019 0.010 0.037 0.912ND<0.008 ND<0.008 ND<0.0080.018<variesSV4-15 3 2/3/2017 15 ND<0.0080.013 0.008 0.019 0.872ND<0.0080.090ND<0.0080.010<variesSV5-5 3 2/3/2017 5 ND<0.0080.012ND<0.0080.018 0.423ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.051SV6-5 3 2/3/2017 5 ND<0.0080.014 0.008 0.019 0.082ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.035SV7-5 3 2/22/2017 5 ND<0.008 ND<0.008 ND<0.008 ND<0.0082.85ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.024SV7-5 REP 3 2/22/2017 5 ND<0.008 ND<0.008 ND<0.008 ND<0.0082.80ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.024SV8-5 3 2/22/2017 5 ND<0.008 ND<0.008 ND<0.008 ND<0.0080.453ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.010SV8-10 3 2/22/2017 10 ND<0.008 ND<0.008 ND<0.008 ND<0.0080.506ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.011SV9-5 3 2/22/2017 5 ND<0.008 ND<0.008 ND<0.008 ND<0.0080.087ND<0.008 ND<0.008 ND<0.008 ND<0.008 <variesSV9-10 3 2/22/2017 10 ND<0.008 ND<0.008 ND<0.008 ND<0.0080.041ND<0.008 ND<0.008 ND<0.008 ND<0.008 <variesSV10-5 3 2/22/2017 5 ND<0.008 ND<0.008 ND<0.008 ND<0.0081.70ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.009SV10-10 3 2/22/2017 10 ND<0.008 ND<0.008 ND<0.008 ND<0.0082.37ND<0.008 ND<0.008 ND<0.008 ND<0.008Dichlorodifluoromethane: 0.010SV11-5 3 2/22/2017 5 ND<0.008 ND<0.008 ND<0.008 ND<0.0080.751ND<0.008 ND<0.008 ND<0.008 ND<0.008 <variesSV11-10 3 2/22/2017 10 ND<0.008 ND<0.008 ND<0.008 ND<0.0081.13ND<0.008 ND<0.008 ND<0.008 ND<0.008 <variesSV-12 1 3/1/2017 5 ND<0.00650.012ND<0.0088 ND<0.00883.00ND<0.011 ND<0.0086 ND<0.011 ND<0.010 <variesSV-13 1 3/1/2017 5 ND<0.00650.012ND<0.0088 ND<0.00884.10ND<0.011 ND<0.0086 ND<0.011 ND<0.010 <variesNOTES:(1) Sample depth is reported as feet below ground surface(2) A default of 3 purge volumes was used as recommended by July 2015 DTSC/RWQCB guidance documents.(3) Concentrations reported in micrograms per liter (µg/L) and analyzed by GC/MS, EPA Method 8260B (4) DTSC HERO NOTE 3 or Environmental Protection Agency Regional Screeening Levels for Commerical/ Industrial Soil Vapor, updated June 2015 (with an attenuation factor of 0.001)ND< - Indicates the concentration was not detected above the listed laboratory reporting limitABBREVIATIONS:VOCs - Volatile Organic Compounds REP - Replicate sample TCE - trichloroethene F11 - TrichlorofluoromethaneNA - Not Available PCE - tetrachloroethene TMB - TrimethylbenzeneBOLD - Indicates the concentration is above the laboratory reporting levelConcentration exceeds DTSC HERO Note 3 SL or USEPA Region 9 RLSSamplesSampleIDPurge Volume (2)Sampling DateSampling Depth (1)DTSC HERO Note 3 or EPA RSLs for Residential Land Use (µg/L) (4)VOCs (ug/L)8260B(3)Table 4Summary of Soil Vapor Analytical Results - VOCsLas Tunas Dr & Santa Anita AveArcadia, CaliforniaStantec Project No.: 185803849 FIGURES 0SCALE : AS SHOWN75300 FT150225 NOTE: THIS DRAWING ILLUSTRATES SUPPORTING INFORMATION SPECIFIC TO A STANTEC CONSULTING LTD. REPORT AND MUST NOT BE USED FOR OTHER PURPOSES.SC2017010220VMTHE OLSON COMPANY17 LAS TUNAS DRIVE, ARCADIA, CAPHASE II ESAPROPERTY DETAILSKECD17/01/28AS SHOWN2185803849AUTOREPAIRAUTO REPAIRCARWASHCHEVRONGASSTATIONSTARBUCKS(FORMER GASSTATION)RESIDENTIALRESIDENTIAL DRY CLEANER SV-6LEGENDAPPROXIMATEPROPERTY BOUNDARYAPPROXIMATE SOILSAMPLE LOCATIONHA-5APPROXIMATE SOILSAMPLE AND SOILVAPOR LOCATIONSV-1SV-2SV-3SV-4SV-5SV-6HA-1HA-5HA-2HA-4HA-3SV-7SV-8SV-9SV-10SV-11HA-6HA-8HA-7HA-9HA-11HA-10HA-12SV-12SV-13APPROXIMATELIMITS OF PCE VAPORABOVE DTSC SL???? SV-1SV-2SV-3SV-4SV-5SV-6SV-7SV-8SV-9SV-10SV-11SV-12SV-13????0SCALE : AS SHOWN75300 FT150225 NOTE: THIS DRAWING ILLUSTRATES SUPPORTING INFORMATION SPECIFIC TO A STANTEC CONSULTING LTD. REPORT AND MUST NOT BE USED FOR OTHER PURPOSES.MSTHE OLSON COMPANY17 LAS TUNAS DRIVE, ARCADIA, CAPHASE II ESAPROPOSED PROPERTY DETAILSKECD17/03/07AS SHOWN3185803849SV-6LEGENDAPPROXIMATE SOILVAPOR LOCATIONAPPROXIMATELIMITS OF PCE VAPORABOVE DTSC SLXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXUNITS REQUIRINGBARRIERS APPENDIX A LABORATORY DATA SHEETS AND QA/QC RESULTS WORK ORDER NUMBER: 17-02-0194 Analytical Report For Client:Stantec Client Project Name:185803849 Attention:Matthew Sapp 25864-F Business Center Drive Redlands, CA 92374-4515 Approved for release on by: Carla Hollowell Project Manager AIR SOIL WATER MARINE CHEMISTRY Eurofins Calscience, Inc. (Calscience) certifies that the test results provided in this report meet all NELAC requirements for parameters for which accreditation is required or available. Any exceptions to NELAC requirements are noted in the case narrative. The original report of subcontracted analyses, if any, is attached to this report. The results in this report are limited to the sample(s) tested and any reproduction thereof must be made in its entirety. The client or recipient of this report is specifically prohibited from making material changes to said report and, to the extent that such changes are made, Calscience is not responsible, legally or otherwise. The client or recipient agrees to indemnify Calscience for any defense to any litigation which may arise. 02/09/2017 Page 1 of 67 Contents 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client Project Name:185803849 Work Order Number:17-02-0194 1 Work Order Narrative. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Sample Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3 Detections Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 4 Client Sample Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 4.1 EPA 6010B ICP Metals (Solid). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 4.2 EPA 8081A Organochlorine Pesticides (Solid). . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.3 EPA 8260B Volatile Organics + Oxygenates (Solid). . . . . . . . . . . . . . . . . . . . . . . . .18 5 Quality Control Sample Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 5.1 MS/MSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 5.2 PDS/PDSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 5.3 LCS/LCSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 6 Glossary of Terms and Qualifiers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64 7 Chain-of-Custody/Sample Receipt Form. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Page 2 of 67 Condition Upon Receipt: Samples were received under Chain-of-Custody (COC) on 02/02/17. They were assigned to Work Order 17-02-0194. Unless otherwise noted on the Sample Receiving forms all samples were received in good condition and within the recommended EPA temperature criteria for the methods noted on the COC. The COC and Sample Receiving Documents are integral elements of the analytical report and are presented at the back of the report. Holding Times: All samples were analyzed within prescribed holding times (HT) and/or in accordance with the Calscience Sample Acceptance Policy unless otherwise noted in the analytical report and/or comprehensive case narrative, if required. Any parameter identified in 40CFR Part 136.3 Table II that is designated as "analyze immediately" with a holding time of <= 15 minutes (40CFR-136.3 Table II, footnote 4), is considered a "field" test and the reported results will be qualified as being received outside of the stated holding time unless received at the laboratory within 15 minutes of the collection time. Quality Control: All quality control parameters (QC) were within established control limits except where noted in the QC summary forms or described further within this report. Subcontractor Information: Unless otherwise noted below (or on the subcontract form), no samples were subcontracted. Additional Comments: Air - Sorbent-extracted air methods (EPA TO-4A, EPA TO-10, EPA TO-13A, EPA TO-17): Analytical results are converted from mass/sample basis to mass/volume basis using client-supplied air volumes. Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not corrected for % moisture. All QC results are always reported on a wet weight basis. Work Order Narrative 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Work Order: 17-02-0194 Page 1 of 1 Return to ContentsPage 3 of 67 Sample Identification Lab Number Collection Date and Time Number of Containers Matrix SV-1-5 17-02-0194-1 02/01/17 08:21 1 Solid SV-1-10 17-02-0194-2 02/01/17 08:25 1 Solid SV-1-15 17-02-0194-3 02/01/17 08:28 1 Solid SV-2-5 17-02-0194-4 02/01/17 09:26 1 Solid SV-2-10 17-02-0194-5 02/01/17 09:30 1 Solid SV-2-15 17-02-0194-6 02/01/17 09:34 1 Solid SV-3-5 17-02-0194-7 02/01/17 11:07 1 Solid SV-3-10 17-02-0194-8 02/01/17 11:12 1 Solid SV-3-15 17-02-0194-9 02/01/17 11:16 1 Solid SV-4-5 17-02-0194-10 02/01/17 11:40 1 Solid SV-4-10 17-02-0194-11 02/01/17 11:44 1 Solid SV-4-15 17-02-0194-12 02/01/17 11:49 1 Solid SV-5-1 17-02-0194-13 02/01/17 12:49 1 Solid SV-6-1 17-02-0194-14 02/01/17 13:05 1 Solid HA-1-1 17-02-0194-15 02/01/17 13:30 1 Solid HA-2-1 17-02-0194-16 02/01/17 13:45 1 Solid HA-3-1 17-02-0194-17 02/01/17 13:47 1 Solid HA-4-1 17-02-0194-18 02/01/17 13:55 1 Solid HA-5-1 17-02-0194-19 02/01/17 13:58 1 Solid Sample Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-0194 Project Name:185803849 PO Number: Date/Time Received: 02/02/17 13:10 Number of Containers: 19 Attn:Matthew Sapp Return to ContentsPage 4 of 67 SV-5-1 (17-02-0194-13) Arsenic 1.77 0.721 mg/kg EPA 6010B EPA 3050B Lead 11.4 0.481 mg/kg EPA 6010B EPA 3050B 4,4'-DDE 65 25 ug/kg EPA 8081A EPA 3545 4,4'-DDT 12 5.0 ug/kg EPA 8081A EPA 3545 SV-6-1 (17-02-0194-14) Arsenic 3.36 0.728 mg/kg EPA 6010B EPA 3050B Lead 27.0 0.485 mg/kg EPA 6010B EPA 3050B 4,4'-DDE 220 50 ug/kg EPA 8081A EPA 3545 4,4'-DDT 44 25 ug/kg EPA 8081A EPA 3545 Dieldrin 9.9 5.0 ug/kg EPA 8081A EPA 3545 Toxaphene 480 99 ug/kg EPA 8081A EPA 3545 HA-1-1 (17-02-0194-15) Arsenic 3.89 0.718 mg/kg EPA 6010B EPA 3050B Lead 33.8 0.478 mg/kg EPA 6010B EPA 3050B 4,4'-DDE 400 100 ug/kg EPA 8081A EPA 3545 4,4'-DDT 110 50 ug/kg EPA 8081A EPA 3545 HA-2-1 (17-02-0194-16) Arsenic 4.31 0.739 mg/kg EPA 6010B EPA 3050B Lead 14.1 0.493 mg/kg EPA 6010B EPA 3050B 4,4'-DDE 160 25 ug/kg EPA 8081A EPA 3545 4,4'-DDT 8.7 5.0 ug/kg EPA 8081A EPA 3545 HA-3-1 (17-02-0194-17) Arsenic 2.05 0.732 mg/kg EPA 6010B EPA 3050B Lead 6.44 0.488 mg/kg EPA 6010B EPA 3050B 4,4'-DDE 9.7 5.0 ug/kg EPA 8081A EPA 3545 HA-4-1 (17-02-0194-18) Arsenic 5.48 0.735 mg/kg EPA 6010B EPA 3050B Lead 32.1 0.490 mg/kg EPA 6010B EPA 3050B 4,4'-DDE 2400 500 ug/kg EPA 8081A EPA 3545 4,4'-DDT 1000 500 ug/kg EPA 8081A EPA 3545 HA-5-1 (17-02-0194-19) Arsenic 2.76 0.728 mg/kg EPA 6010B EPA 3050B Lead 40.3 0.485 mg/kg EPA 6010B EPA 3050B 4,4'-DDD 7.1 5.0 ug/kg EPA 8081A EPA 3545 4,4'-DDE 270 50 ug/kg EPA 8081A EPA 3545 4,4'-DDT 74 50 ug/kg EPA 8081A EPA 3545 Detections Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-0194 Project Name:185803849 Received:02/02/17 Attn:Matthew Sapp Page 1 of 2 Client SampleID Analyte Result Qualifiers RL Units Method Extraction * MDL is shown Return to ContentsPage 5 of 67 Subcontracted analyses, if any, are not included in this summary. Detections Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-0194 Project Name:185803849 Received:02/02/17 Attn:Matthew Sapp Page 2 of 2 Client SampleID Analyte Result Qualifiers RL Units Method Extraction * MDL is shown Return to ContentsPage 6 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-5-1 17-02-0194-13-A 02/01/17 12:49 Solid ICP 7300 02/06/17 02/07/17 13:07 170206L02 Parameter Result RL DF Qualifiers Arsenic 1.77 0.721 0.962 Lead 11.4 0.481 0.962 SV-6-1 17-02-0194-14-A 02/01/17 13:05 Solid ICP 7300 02/06/17 02/07/17 13:08 170206L02 Parameter Result RL DF Qualifiers Arsenic 3.36 0.728 0.971 Lead 27.0 0.485 0.971 HA-1-1 17-02-0194-15-A 02/01/17 13:30 Solid ICP 7300 02/06/17 02/07/17 13:08 170206L02 Parameter Result RL DF Qualifiers Arsenic 3.89 0.718 0.957 Lead 33.8 0.478 0.957 HA-2-1 17-02-0194-16-A 02/01/17 13:45 Solid ICP 7300 02/06/17 02/07/17 13:09 170206L02 Parameter Result RL DF Qualifiers Arsenic 4.31 0.739 0.985 Lead 14.1 0.493 0.985 HA-3-1 17-02-0194-17-A 02/01/17 13:47 Solid ICP 7300 02/06/17 02/07/17 13:12 170206L02 Parameter Result RL DF Qualifiers Arsenic 2.05 0.732 0.976 Lead 6.44 0.488 0.976 HA-4-1 17-02-0194-18-A 02/01/17 13:55 Solid ICP 7300 02/06/17 02/07/17 13:12 170206L02 Parameter Result RL DF Qualifiers Arsenic 5.48 0.735 0.980 Lead 32.1 0.490 0.980 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3050B Method:EPA 6010B Units:mg/kg Project: 185803849 Page 1 of 2 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 7 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-5-1 17-02-0194-19-A 02/01/17 13:58 Solid ICP 7300 02/06/17 02/07/17 13:13 170206L02 Parameter Result RL DF Qualifiers Arsenic 2.76 0.728 0.971 Lead 40.3 0.485 0.971 Method Blank 097-01-002-24306 N/A Solid ICP 7300 02/06/17 02/07/17 12:51 170206L02 Parameter Result RL DF Qualifiers Arsenic ND 0.718 0.957 Lead ND 0.478 0.957 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3050B Method:EPA 6010B Units:mg/kg Project: 185803849 Page 2 of 2 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 8 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-5-1 17-02-0194-13-A 02/01/17 12:49 Solid GC 41 02/03/17 02/07/17 11:34 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 9.9 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDT 12 5.0 1.00 Delta-BHC ND 9.9 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 9.9 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 99 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 91 24-168 2,4,5,6-Tetrachloro-m-Xylene 88 25-145 SV-5-1 17-02-0194-13-A 02/01/17 12:49 Solid GC 41 02/03/17 02/07/17 14:10 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDE 65 25 5.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 89 24-168 2,4,5,6-Tetrachloro-m-Xylene 87 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 1 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 9 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-6-1 17-02-0194-14-A 02/01/17 13:05 Solid GC 41 02/03/17 02/07/17 11:49 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 9.9 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 Delta-BHC ND 9.9 1.00 Dieldrin 9.9 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 9.9 1.00 Methoxychlor ND 5.0 1.00 Toxaphene 480 99 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 100 24-168 2,4,5,6-Tetrachloro-m-Xylene 84 25-145 SV-6-1 17-02-0194-14-A 02/01/17 13:05 Solid GC 41 02/03/17 02/07/17 14:25 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDT 44 25 5.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 94 24-168 2,4,5,6-Tetrachloro-m-Xylene 84 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 2 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 10 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-6-1 17-02-0194-14-A 02/01/17 13:05 Solid GC 41 02/03/17 02/07/17 14:40 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDE 220 50 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 104 24-168 2,4,5,6-Tetrachloro-m-Xylene 97 25-145 HA-1-1 17-02-0194-15-A 02/01/17 13:30 Solid GC 41 02/03/17 02/07/17 12:04 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 116 24-168 2,4,5,6-Tetrachloro-m-Xylene 86 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 3 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 11 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-1-1 17-02-0194-15-A 02/01/17 13:30 Solid GC 41 02/03/17 02/07/17 14:55 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDT 110 50 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 98 24-168 2,4,5,6-Tetrachloro-m-Xylene 88 25-145 HA-1-1 17-02-0194-15-A 02/01/17 13:30 Solid GC 41 02/03/17 02/08/17 15:45 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDE 400 100 20.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 92 24-168 2,4,5,6-Tetrachloro-m-Xylene 76 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 4 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 12 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-2-1 17-02-0194-16-A 02/01/17 13:45 Solid GC 41 02/03/17 02/07/17 12:19 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDT 8.7 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 93 24-168 2,4,5,6-Tetrachloro-m-Xylene 61 25-145 HA-2-1 17-02-0194-16-A 02/01/17 13:45 Solid GC 41 02/03/17 02/07/17 15:10 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDE 160 25 5.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 84 24-168 2,4,5,6-Tetrachloro-m-Xylene 58 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 5 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 13 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-3-1 17-02-0194-17-A 02/01/17 13:47 Solid GC 41 02/03/17 02/07/17 12:34 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 9.9 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDE 9.7 5.0 1.00 4,4'-DDT ND 5.0 1.00 Delta-BHC ND 9.9 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 9.9 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 99 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 124 24-168 2,4,5,6-Tetrachloro-m-Xylene 84 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 6 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 14 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-4-1 17-02-0194-18-A 02/01/17 13:55 Solid GC 41 02/03/17 02/07/17 15:40 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 100 20.0 Alpha-BHC ND 200 20.0 Beta-BHC ND 100 20.0 Chlordane ND 1000 20.0 4,4'-DDD ND 100 20.0 Delta-BHC ND 200 20.0 Dieldrin ND 100 20.0 Endosulfan I ND 100 20.0 Endosulfan II ND 100 20.0 Endosulfan Sulfate ND 100 20.0 Endrin ND 100 20.0 Endrin Aldehyde ND 100 20.0 Endrin Ketone ND 100 20.0 Gamma-BHC ND 100 20.0 Heptachlor ND 100 20.0 Heptachlor Epoxide ND 200 20.0 Methoxychlor ND 100 20.0 Toxaphene ND 2000 20.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 113 24-168 2,4,5,6-Tetrachloro-m-Xylene 84 25-145 HA-4-1 17-02-0194-18-A 02/01/17 13:55 Solid GC 41 02/03/17 02/07/17 16:23 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDE 2400 500 100 4,4'-DDT 1000 500 100 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 132 24-168 2,4,5,6-Tetrachloro-m-Xylene 110 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 7 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 15 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-5-1 17-02-0194-19-A 02/01/17 13:58 Solid GC 41 02/03/17 02/07/17 13:04 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 9.9 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD 7.1 5.0 1.00 Delta-BHC ND 9.9 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 9.9 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 99 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 106 24-168 2,4,5,6-Tetrachloro-m-Xylene 72 25-145 HA-5-1 17-02-0194-19-A 02/01/17 13:58 Solid GC 41 02/03/17 02/07/17 15:55 170203L05 Parameter Result RL DF Qualifiers 4,4'-DDE 270 50 10.0 4,4'-DDT 74 50 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 97 24-168 2,4,5,6-Tetrachloro-m-Xylene 74 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 8 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 16 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID Method Blank 099-12-537-2610 N/A Solid GC 41 02/03/17 02/06/17 15:04 170203L05 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDE ND 5.0 1.00 4,4'-DDT ND 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 91 24-168 2,4,5,6-Tetrachloro-m-Xylene 94 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 9 of 9 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 17 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-1-5 17-02-0194-1-A 02/01/17 08:21 Solid GC/MS R 02/02/17 02/03/17 09:00 170202L063 Parameter Result RL DF Qualifiers Acetone ND 130 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 1 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 18 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 91 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 2 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 19 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 103 79-133 1,2-Dichloroethane-d4 104 71-155 Toluene-d8 99 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 3 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 20 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-1-10 17-02-0194-2-A 02/01/17 08:25 Solid GC/MS R 02/02/17 02/03/17 09:28 170202L063 Parameter Result RL DF Qualifiers Acetone ND 130 1.00 Benzene ND 5.2 1.00 Bromobenzene ND 5.2 1.00 Bromochloromethane ND 5.2 1.00 Bromodichloromethane ND 5.2 1.00 Bromoform ND 5.2 1.00 Bromomethane ND 26 1.00 2-Butanone ND 52 1.00 n-Butylbenzene ND 5.2 1.00 sec-Butylbenzene ND 5.2 1.00 tert-Butylbenzene ND 5.2 1.00 Carbon Disulfide ND 52 1.00 Carbon Tetrachloride ND 5.2 1.00 Chlorobenzene ND 5.2 1.00 Chloroethane ND 5.2 1.00 Chloroform ND 5.2 1.00 Chloromethane ND 26 1.00 2-Chlorotoluene ND 5.2 1.00 4-Chlorotoluene ND 5.2 1.00 Dibromochloromethane ND 5.2 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.2 1.00 Dibromomethane ND 5.2 1.00 1,2-Dichlorobenzene ND 5.2 1.00 1,3-Dichlorobenzene ND 5.2 1.00 1,4-Dichlorobenzene ND 5.2 1.00 Dichlorodifluoromethane ND 5.2 1.00 1,1-Dichloroethane ND 5.2 1.00 1,2-Dichloroethane ND 5.2 1.00 1,1-Dichloroethene ND 5.2 1.00 c-1,2-Dichloroethene ND 5.2 1.00 t-1,2-Dichloroethene ND 5.2 1.00 1,2-Dichloropropane ND 5.2 1.00 1,3-Dichloropropane ND 5.2 1.00 2,2-Dichloropropane ND 5.2 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 4 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 21 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.2 1.00 c-1,3-Dichloropropene ND 5.2 1.00 t-1,3-Dichloropropene ND 5.2 1.00 Ethylbenzene ND 5.2 1.00 2-Hexanone ND 52 1.00 Isopropylbenzene ND 5.2 1.00 p-Isopropyltoluene ND 5.2 1.00 Methylene Chloride ND 52 1.00 4-Methyl-2-Pentanone ND 52 1.00 Naphthalene ND 52 1.00 n-Propylbenzene ND 5.2 1.00 Styrene ND 5.2 1.00 1,1,1,2-Tetrachloroethane ND 5.2 1.00 1,1,2,2-Tetrachloroethane ND 5.2 1.00 Tetrachloroethene ND 5.2 1.00 Toluene ND 5.2 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.2 1.00 1,1,1-Trichloroethane ND 5.2 1.00 1,1,2-Trichloroethane ND 5.2 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 52 1.00 Trichloroethene ND 5.2 1.00 1,2,3-Trichloropropane ND 5.2 1.00 1,2,4-Trimethylbenzene ND 5.2 1.00 Trichlorofluoromethane ND 52 1.00 1,3,5-Trimethylbenzene ND 5.2 1.00 Vinyl Acetate ND 52 1.00 Vinyl Chloride ND 5.2 1.00 p/m-Xylene ND 5.2 1.00 o-Xylene ND 5.2 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.2 1.00 Tert-Butyl Alcohol (TBA)ND 52 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 260 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 90 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 5 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 22 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 104 79-133 1,2-Dichloroethane-d4 104 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 6 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 23 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-1-15 17-02-0194-3-A 02/01/17 08:28 Solid GC/MS R 02/02/17 02/03/17 09:56 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 7 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 24 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 92 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 8 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 25 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 104 79-133 1,2-Dichloroethane-d4 103 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 9 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 26 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-2-5 17-02-0194-4-A 02/01/17 09:26 Solid GC/MS R 02/02/17 02/03/17 10:24 170202L063 Parameter Result RL DF Qualifiers Acetone ND 130 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 10 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 27 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 92 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 11 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 28 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 104 79-133 1,2-Dichloroethane-d4 104 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 12 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 29 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-2-10 17-02-0194-5-A 02/01/17 09:30 Solid GC/MS R 02/02/17 02/03/17 10:52 170202L063 Parameter Result RL DF Qualifiers Acetone ND 130 1.00 Benzene ND 5.2 1.00 Bromobenzene ND 5.2 1.00 Bromochloromethane ND 5.2 1.00 Bromodichloromethane ND 5.2 1.00 Bromoform ND 5.2 1.00 Bromomethane ND 26 1.00 2-Butanone ND 52 1.00 n-Butylbenzene ND 5.2 1.00 sec-Butylbenzene ND 5.2 1.00 tert-Butylbenzene ND 5.2 1.00 Carbon Disulfide ND 52 1.00 Carbon Tetrachloride ND 5.2 1.00 Chlorobenzene ND 5.2 1.00 Chloroethane ND 5.2 1.00 Chloroform ND 5.2 1.00 Chloromethane ND 26 1.00 2-Chlorotoluene ND 5.2 1.00 4-Chlorotoluene ND 5.2 1.00 Dibromochloromethane ND 5.2 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.2 1.00 Dibromomethane ND 5.2 1.00 1,2-Dichlorobenzene ND 5.2 1.00 1,3-Dichlorobenzene ND 5.2 1.00 1,4-Dichlorobenzene ND 5.2 1.00 Dichlorodifluoromethane ND 5.2 1.00 1,1-Dichloroethane ND 5.2 1.00 1,2-Dichloroethane ND 5.2 1.00 1,1-Dichloroethene ND 5.2 1.00 c-1,2-Dichloroethene ND 5.2 1.00 t-1,2-Dichloroethene ND 5.2 1.00 1,2-Dichloropropane ND 5.2 1.00 1,3-Dichloropropane ND 5.2 1.00 2,2-Dichloropropane ND 5.2 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 13 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 30 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.2 1.00 c-1,3-Dichloropropene ND 5.2 1.00 t-1,3-Dichloropropene ND 5.2 1.00 Ethylbenzene ND 5.2 1.00 2-Hexanone ND 52 1.00 Isopropylbenzene ND 5.2 1.00 p-Isopropyltoluene ND 5.2 1.00 Methylene Chloride ND 52 1.00 4-Methyl-2-Pentanone ND 52 1.00 Naphthalene ND 52 1.00 n-Propylbenzene ND 5.2 1.00 Styrene ND 5.2 1.00 1,1,1,2-Tetrachloroethane ND 5.2 1.00 1,1,2,2-Tetrachloroethane ND 5.2 1.00 Tetrachloroethene ND 5.2 1.00 Toluene ND 5.2 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.2 1.00 1,1,1-Trichloroethane ND 5.2 1.00 1,1,2-Trichloroethane ND 5.2 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 52 1.00 Trichloroethene ND 5.2 1.00 1,2,3-Trichloropropane ND 5.2 1.00 1,2,4-Trimethylbenzene ND 5.2 1.00 Trichlorofluoromethane ND 52 1.00 1,3,5-Trimethylbenzene ND 5.2 1.00 Vinyl Acetate ND 52 1.00 Vinyl Chloride ND 5.2 1.00 p/m-Xylene ND 5.2 1.00 o-Xylene ND 5.2 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.2 1.00 Tert-Butyl Alcohol (TBA)ND 52 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 260 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 91 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 14 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 31 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 103 79-133 1,2-Dichloroethane-d4 103 71-155 Toluene-d8 99 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 15 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 32 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-2-15 17-02-0194-6-A 02/01/17 09:34 Solid GC/MS R 02/02/17 02/03/17 11:19 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 16 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 33 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 91 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 17 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 34 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 101 79-133 1,2-Dichloroethane-d4 102 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 18 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 35 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-3-5 17-02-0194-7-A 02/01/17 11:07 Solid GC/MS R 02/02/17 02/03/17 11:47 170202L063 Parameter Result RL DF Qualifiers Acetone ND 130 1.00 Benzene ND 5.1 1.00 Bromobenzene ND 5.1 1.00 Bromochloromethane ND 5.1 1.00 Bromodichloromethane ND 5.1 1.00 Bromoform ND 5.1 1.00 Bromomethane ND 26 1.00 2-Butanone ND 51 1.00 n-Butylbenzene ND 5.1 1.00 sec-Butylbenzene ND 5.1 1.00 tert-Butylbenzene ND 5.1 1.00 Carbon Disulfide ND 51 1.00 Carbon Tetrachloride ND 5.1 1.00 Chlorobenzene ND 5.1 1.00 Chloroethane ND 5.1 1.00 Chloroform ND 5.1 1.00 Chloromethane ND 26 1.00 2-Chlorotoluene ND 5.1 1.00 4-Chlorotoluene ND 5.1 1.00 Dibromochloromethane ND 5.1 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.1 1.00 Dibromomethane ND 5.1 1.00 1,2-Dichlorobenzene ND 5.1 1.00 1,3-Dichlorobenzene ND 5.1 1.00 1,4-Dichlorobenzene ND 5.1 1.00 Dichlorodifluoromethane ND 5.1 1.00 1,1-Dichloroethane ND 5.1 1.00 1,2-Dichloroethane ND 5.1 1.00 1,1-Dichloroethene ND 5.1 1.00 c-1,2-Dichloroethene ND 5.1 1.00 t-1,2-Dichloroethene ND 5.1 1.00 1,2-Dichloropropane ND 5.1 1.00 1,3-Dichloropropane ND 5.1 1.00 2,2-Dichloropropane ND 5.1 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 19 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 36 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.1 1.00 c-1,3-Dichloropropene ND 5.1 1.00 t-1,3-Dichloropropene ND 5.1 1.00 Ethylbenzene ND 5.1 1.00 2-Hexanone ND 51 1.00 Isopropylbenzene ND 5.1 1.00 p-Isopropyltoluene ND 5.1 1.00 Methylene Chloride ND 51 1.00 4-Methyl-2-Pentanone ND 51 1.00 Naphthalene ND 51 1.00 n-Propylbenzene ND 5.1 1.00 Styrene ND 5.1 1.00 1,1,1,2-Tetrachloroethane ND 5.1 1.00 1,1,2,2-Tetrachloroethane ND 5.1 1.00 Tetrachloroethene ND 5.1 1.00 Toluene ND 5.1 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.1 1.00 1,1,1-Trichloroethane ND 5.1 1.00 1,1,2-Trichloroethane ND 5.1 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 51 1.00 Trichloroethene ND 5.1 1.00 1,2,3-Trichloropropane ND 5.1 1.00 1,2,4-Trimethylbenzene ND 5.1 1.00 Trichlorofluoromethane ND 51 1.00 1,3,5-Trimethylbenzene ND 5.1 1.00 Vinyl Acetate ND 51 1.00 Vinyl Chloride ND 5.1 1.00 p/m-Xylene ND 5.1 1.00 o-Xylene ND 5.1 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.1 1.00 Tert-Butyl Alcohol (TBA)ND 51 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 260 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 90 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 20 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 37 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 103 79-133 1,2-Dichloroethane-d4 101 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 21 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 38 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-3-10 17-02-0194-8-A 02/01/17 11:12 Solid GC/MS R 02/02/17 02/03/17 12:15 170202L063 Parameter Result RL DF Qualifiers Acetone ND 130 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 22 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 39 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 90 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 23 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 40 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 101 79-133 1,2-Dichloroethane-d4 100 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 24 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 41 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-3-15 17-02-0194-9-A 02/01/17 11:16 Solid GC/MS R 02/02/17 02/03/17 12:43 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 4.9 1.00 Bromobenzene ND 4.9 1.00 Bromochloromethane ND 4.9 1.00 Bromodichloromethane ND 4.9 1.00 Bromoform ND 4.9 1.00 Bromomethane ND 25 1.00 2-Butanone ND 49 1.00 n-Butylbenzene ND 4.9 1.00 sec-Butylbenzene ND 4.9 1.00 tert-Butylbenzene ND 4.9 1.00 Carbon Disulfide ND 49 1.00 Carbon Tetrachloride ND 4.9 1.00 Chlorobenzene ND 4.9 1.00 Chloroethane ND 4.9 1.00 Chloroform ND 4.9 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 4.9 1.00 4-Chlorotoluene ND 4.9 1.00 Dibromochloromethane ND 4.9 1.00 1,2-Dibromo-3-Chloropropane ND 9.9 1.00 1,2-Dibromoethane ND 4.9 1.00 Dibromomethane ND 4.9 1.00 1,2-Dichlorobenzene ND 4.9 1.00 1,3-Dichlorobenzene ND 4.9 1.00 1,4-Dichlorobenzene ND 4.9 1.00 Dichlorodifluoromethane ND 4.9 1.00 1,1-Dichloroethane ND 4.9 1.00 1,2-Dichloroethane ND 4.9 1.00 1,1-Dichloroethene ND 4.9 1.00 c-1,2-Dichloroethene ND 4.9 1.00 t-1,2-Dichloroethene ND 4.9 1.00 1,2-Dichloropropane ND 4.9 1.00 1,3-Dichloropropane ND 4.9 1.00 2,2-Dichloropropane ND 4.9 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 25 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 42 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 4.9 1.00 c-1,3-Dichloropropene ND 4.9 1.00 t-1,3-Dichloropropene ND 4.9 1.00 Ethylbenzene ND 4.9 1.00 2-Hexanone ND 49 1.00 Isopropylbenzene ND 4.9 1.00 p-Isopropyltoluene ND 4.9 1.00 Methylene Chloride ND 49 1.00 4-Methyl-2-Pentanone ND 49 1.00 Naphthalene ND 49 1.00 n-Propylbenzene ND 4.9 1.00 Styrene ND 4.9 1.00 1,1,1,2-Tetrachloroethane ND 4.9 1.00 1,1,2,2-Tetrachloroethane ND 4.9 1.00 Tetrachloroethene ND 4.9 1.00 Toluene ND 4.9 1.00 1,2,3-Trichlorobenzene ND 9.9 1.00 1,2,4-Trichlorobenzene ND 4.9 1.00 1,1,1-Trichloroethane ND 4.9 1.00 1,1,2-Trichloroethane ND 4.9 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 49 1.00 Trichloroethene ND 4.9 1.00 1,2,3-Trichloropropane ND 4.9 1.00 1,2,4-Trimethylbenzene ND 4.9 1.00 Trichlorofluoromethane ND 49 1.00 1,3,5-Trimethylbenzene ND 4.9 1.00 Vinyl Acetate ND 49 1.00 Vinyl Chloride ND 4.9 1.00 p/m-Xylene ND 4.9 1.00 o-Xylene ND 4.9 1.00 Methyl-t-Butyl Ether (MTBE)ND 4.9 1.00 Tert-Butyl Alcohol (TBA)ND 49 1.00 Diisopropyl Ether (DIPE)ND 9.9 1.00 Ethyl-t-Butyl Ether (ETBE)ND 9.9 1.00 Tert-Amyl-Methyl Ether (TAME)ND 9.9 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 92 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 26 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 43 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 103 79-133 1,2-Dichloroethane-d4 103 71-155 Toluene-d8 99 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 27 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 44 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-4-5 17-02-0194-10-A 02/01/17 11:40 Solid GC/MS R 02/02/17 02/03/17 13:10 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 9.9 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 28 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 45 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 9.9 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 9.9 1.00 Ethyl-t-Butyl Ether (ETBE)ND 9.9 1.00 Tert-Amyl-Methyl Ether (TAME)ND 9.9 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 90 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 29 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 46 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 101 79-133 1,2-Dichloroethane-d4 99 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 30 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 47 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-4-10 17-02-0194-11-A 02/01/17 11:44 Solid GC/MS R 02/02/17 02/03/17 13:38 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 31 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 48 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 92 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 32 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 49 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 102 79-133 1,2-Dichloroethane-d4 102 71-155 Toluene-d8 98 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 33 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 50 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID SV-4-15 17-02-0194-12-A 02/01/17 11:49 Solid GC/MS R 02/02/17 02/03/17 14:06 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 4.9 1.00 Bromobenzene ND 4.9 1.00 Bromochloromethane ND 4.9 1.00 Bromodichloromethane ND 4.9 1.00 Bromoform ND 4.9 1.00 Bromomethane ND 25 1.00 2-Butanone ND 49 1.00 n-Butylbenzene ND 4.9 1.00 sec-Butylbenzene ND 4.9 1.00 tert-Butylbenzene ND 4.9 1.00 Carbon Disulfide ND 49 1.00 Carbon Tetrachloride ND 4.9 1.00 Chlorobenzene ND 4.9 1.00 Chloroethane ND 4.9 1.00 Chloroform ND 4.9 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 4.9 1.00 4-Chlorotoluene ND 4.9 1.00 Dibromochloromethane ND 4.9 1.00 1,2-Dibromo-3-Chloropropane ND 9.8 1.00 1,2-Dibromoethane ND 4.9 1.00 Dibromomethane ND 4.9 1.00 1,2-Dichlorobenzene ND 4.9 1.00 1,3-Dichlorobenzene ND 4.9 1.00 1,4-Dichlorobenzene ND 4.9 1.00 Dichlorodifluoromethane ND 4.9 1.00 1,1-Dichloroethane ND 4.9 1.00 1,2-Dichloroethane ND 4.9 1.00 1,1-Dichloroethene ND 4.9 1.00 c-1,2-Dichloroethene ND 4.9 1.00 t-1,2-Dichloroethene ND 4.9 1.00 1,2-Dichloropropane ND 4.9 1.00 1,3-Dichloropropane ND 4.9 1.00 2,2-Dichloropropane ND 4.9 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 34 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 51 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 4.9 1.00 c-1,3-Dichloropropene ND 4.9 1.00 t-1,3-Dichloropropene ND 4.9 1.00 Ethylbenzene ND 4.9 1.00 2-Hexanone ND 49 1.00 Isopropylbenzene ND 4.9 1.00 p-Isopropyltoluene ND 4.9 1.00 Methylene Chloride ND 49 1.00 4-Methyl-2-Pentanone ND 49 1.00 Naphthalene ND 49 1.00 n-Propylbenzene ND 4.9 1.00 Styrene ND 4.9 1.00 1,1,1,2-Tetrachloroethane ND 4.9 1.00 1,1,2,2-Tetrachloroethane ND 4.9 1.00 Tetrachloroethene ND 4.9 1.00 Toluene ND 4.9 1.00 1,2,3-Trichlorobenzene ND 9.8 1.00 1,2,4-Trichlorobenzene ND 4.9 1.00 1,1,1-Trichloroethane ND 4.9 1.00 1,1,2-Trichloroethane ND 4.9 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 49 1.00 Trichloroethene ND 4.9 1.00 1,2,3-Trichloropropane ND 4.9 1.00 1,2,4-Trimethylbenzene ND 4.9 1.00 Trichlorofluoromethane ND 49 1.00 1,3,5-Trimethylbenzene ND 4.9 1.00 Vinyl Acetate ND 49 1.00 Vinyl Chloride ND 4.9 1.00 p/m-Xylene ND 4.9 1.00 o-Xylene ND 4.9 1.00 Methyl-t-Butyl Ether (MTBE)ND 4.9 1.00 Tert-Butyl Alcohol (TBA)ND 49 1.00 Diisopropyl Ether (DIPE)ND 9.8 1.00 Ethyl-t-Butyl Ether (ETBE)ND 9.8 1.00 Tert-Amyl-Methyl Ether (TAME)ND 9.8 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 93 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 35 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 52 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 103 79-133 1,2-Dichloroethane-d4 103 71-155 Toluene-d8 99 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 36 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 53 of 67 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID Method Blank 099-12-796-12288 N/A Solid GC/MS R 02/02/17 02/03/17 08:05 170202L063 Parameter Result RL DF Qualifiers Acetone ND 120 1.00 Benzene ND 5.0 1.00 Bromobenzene ND 5.0 1.00 Bromochloromethane ND 5.0 1.00 Bromodichloromethane ND 5.0 1.00 Bromoform ND 5.0 1.00 Bromomethane ND 25 1.00 2-Butanone ND 50 1.00 n-Butylbenzene ND 5.0 1.00 sec-Butylbenzene ND 5.0 1.00 tert-Butylbenzene ND 5.0 1.00 Carbon Disulfide ND 50 1.00 Carbon Tetrachloride ND 5.0 1.00 Chlorobenzene ND 5.0 1.00 Chloroethane ND 5.0 1.00 Chloroform ND 5.0 1.00 Chloromethane ND 25 1.00 2-Chlorotoluene ND 5.0 1.00 4-Chlorotoluene ND 5.0 1.00 Dibromochloromethane ND 5.0 1.00 1,2-Dibromo-3-Chloropropane ND 10 1.00 1,2-Dibromoethane ND 5.0 1.00 Dibromomethane ND 5.0 1.00 1,2-Dichlorobenzene ND 5.0 1.00 1,3-Dichlorobenzene ND 5.0 1.00 1,4-Dichlorobenzene ND 5.0 1.00 Dichlorodifluoromethane ND 5.0 1.00 1,1-Dichloroethane ND 5.0 1.00 1,2-Dichloroethane ND 5.0 1.00 1,1-Dichloroethene ND 5.0 1.00 c-1,2-Dichloroethene ND 5.0 1.00 t-1,2-Dichloroethene ND 5.0 1.00 1,2-Dichloropropane ND 5.0 1.00 1,3-Dichloropropane ND 5.0 1.00 2,2-Dichloropropane ND 5.0 1.00 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 37 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 54 of 67 Parameter Result RL DF Qualifiers 1,1-Dichloropropene ND 5.0 1.00 c-1,3-Dichloropropene ND 5.0 1.00 t-1,3-Dichloropropene ND 5.0 1.00 Ethylbenzene ND 5.0 1.00 2-Hexanone ND 50 1.00 Isopropylbenzene ND 5.0 1.00 p-Isopropyltoluene ND 5.0 1.00 Methylene Chloride ND 50 1.00 4-Methyl-2-Pentanone ND 50 1.00 Naphthalene ND 50 1.00 n-Propylbenzene ND 5.0 1.00 Styrene ND 5.0 1.00 1,1,1,2-Tetrachloroethane ND 5.0 1.00 1,1,2,2-Tetrachloroethane ND 5.0 1.00 Tetrachloroethene ND 5.0 1.00 Toluene ND 5.0 1.00 1,2,3-Trichlorobenzene ND 10 1.00 1,2,4-Trichlorobenzene ND 5.0 1.00 1,1,1-Trichloroethane ND 5.0 1.00 1,1,2-Trichloroethane ND 5.0 1.00 1,1,2-Trichloro-1,2,2-Trifluoroethane ND 50 1.00 Trichloroethene ND 5.0 1.00 1,2,3-Trichloropropane ND 5.0 1.00 1,2,4-Trimethylbenzene ND 5.0 1.00 Trichlorofluoromethane ND 50 1.00 1,3,5-Trimethylbenzene ND 5.0 1.00 Vinyl Acetate ND 50 1.00 Vinyl Chloride ND 5.0 1.00 p/m-Xylene ND 5.0 1.00 o-Xylene ND 5.0 1.00 Methyl-t-Butyl Ether (MTBE)ND 5.0 1.00 Tert-Butyl Alcohol (TBA)ND 50 1.00 Diisopropyl Ether (DIPE)ND 10 1.00 Ethyl-t-Butyl Ether (ETBE)ND 10 1.00 Tert-Amyl-Methyl Ether (TAME)ND 10 1.00 Ethanol ND 250 1.00 Surrogate Rec. (%)Control Limits Qualifiers 1,4-Bromofluorobenzene 93 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 38 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 55 of 67 Surrogate Rec. (%)Control Limits Qualifiers Dibromofluoromethane 102 79-133 1,2-Dichloroethane-d4 102 71-155 Toluene-d8 99 80-120 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Units:ug/kg Project: 185803849 Page 39 of 39 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 56 of 67 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number 17-02-0065-9 Sample Solid ICP 7300 02/06/17 02/07/17 13:06 170206S02 17-02-0065-9 Matrix Spike Solid ICP 7300 02/06/17 02/07/17 12:55 170206S02 17-02-0065-9 Matrix Spike Duplicate Solid ICP 7300 02/06/17 02/07/17 12:56 170206S02 Parameter Sample Conc. Spike Added MS Conc. MS %Rec. MSD Conc. MSD %Rec. %Rec. CL RPD RPD CL Qualifiers Arsenic 7.258 25.00 34.96 111 37.21 120 75-125 6 0-20 Lead 104.5 25.00 134.2 4X 137.8 4X 75-125 4X 0-20 Q Quality Control - Spike/Spike Duplicate 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3050B Method:EPA 6010B Project: 185803849 Page 1 of 3 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 57 of 67 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number HA-2-1 Sample Solid GC 41 02/03/17 02/07/17 12:19 170203S05 HA-2-1 Matrix Spike Solid GC 41 02/03/17 02/06/17 15:19 170203S05 HA-2-1 Matrix Spike Duplicate Solid GC 41 02/03/17 02/06/17 15:34 170203S05 Parameter Sample Conc. Spike Added MS Conc. MS %Rec. MSD Conc. MSD %Rec. %Rec. CL RPD RPD CL Qualifiers Aldrin ND 25.00 17.88 72 19.29 77 50-135 8 0-25 Alpha-BHC ND 25.00 18.15 73 19.68 79 50-135 8 0-25 Beta-BHC ND 25.00 18.48 74 19.48 78 50-135 5 0-25 4,4'-DDD ND 25.00 20.66 83 21.44 86 50-135 4 0-25 4,4'-DDE 155.7 25.00 201.4 183 224.4 275 50-135 11 0-25 3 4,4'-DDT 8.747 25.00 29.55 83 30.61 87 50-135 4 0-25 Delta-BHC ND 25.00 20.13 81 21.30 85 50-135 6 0-25 Dieldrin ND 25.00 21.49 86 22.42 90 50-135 4 0-25 Endosulfan I ND 25.00 21.21 85 22.23 89 50-135 5 0-25 Endosulfan II ND 25.00 25.32 101 25.76 103 50-135 2 0-25 Endosulfan Sulfate ND 25.00 18.84 75 18.64 75 50-135 1 0-25 Endrin ND 25.00 19.75 79 22.09 88 50-135 11 0-25 Endrin Aldehyde ND 25.00 14.63 59 13.90 56 50-135 5 0-25 Gamma-BHC ND 25.00 18.18 73 19.51 78 50-135 7 0-25 Heptachlor ND 25.00 17.40 70 19.02 76 50-135 9 0-25 Heptachlor Epoxide ND 25.00 19.11 76 20.30 81 50-135 6 0-25 Methoxychlor ND 25.00 19.92 80 18.75 75 50-135 6 0-25 Quality Control - Spike/Spike Duplicate 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Project: 185803849 Page 2 of 3 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 58 of 67 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number SV-1-5 Sample Solid GC/MS R 02/02/17 02/03/17 09:00 170202S034 SV-1-5 Matrix Spike Solid GC/MS R 02/02/17 02/03/17 14:34 170202S034 SV-1-5 Matrix Spike Duplicate Solid GC/MS R 02/02/17 02/03/17 15:02 170202S034 Parameter Sample Conc. Spike Added MS Conc. MS %Rec. MSD Conc. MSD %Rec. %Rec. CL RPD RPD CL Qualifiers Benzene ND 50.00 42.57 85 42.68 85 61-127 0 0-20 Carbon Tetrachloride ND 50.00 32.77 66 34.55 69 51-135 5 0-29 Chlorobenzene ND 50.00 36.72 73 38.02 76 57-123 3 0-20 1,2-Dibromoethane ND 50.00 38.53 77 40.62 81 64-124 5 0-20 1,2-Dichlorobenzene ND 50.00 29.87 60 30.82 62 35-131 3 0-25 1,2-Dichloroethane ND 50.00 42.91 86 43.64 87 80-120 2 0-20 1,1-Dichloroethene ND 50.00 46.72 93 46.48 93 47-143 1 0-25 Ethylbenzene ND 50.00 38.77 78 40.14 80 57-129 3 0-22 Toluene ND 50.00 42.46 85 42.59 85 63-123 0 0-20 Trichloroethene ND 50.00 43.50 87 45.96 92 44-158 5 0-20 Vinyl Chloride ND 50.00 47.48 95 45.53 91 49-139 4 0-47 p/m-Xylene ND 100.0 73.43 73 77.17 77 70-130 5 0-30 o-Xylene ND 50.00 35.93 72 37.72 75 70-130 5 0-30 Methyl-t-Butyl Ether (MTBE)ND 50.00 41.01 82 42.31 85 57-123 3 0-21 Tert-Butyl Alcohol (TBA)ND 250.0 221.6 89 210.2 84 30-168 5 0-34 Diisopropyl Ether (DIPE)ND 50.00 43.82 88 43.50 87 57-129 1 0-20 Ethyl-t-Butyl Ether (ETBE)ND 50.00 40.42 81 40.11 80 55-127 1 0-20 Tert-Amyl-Methyl Ether (TAME)ND 50.00 39.40 79 40.10 80 58-124 2 0-20 Ethanol ND 500.0 668.4 134 527.0 105 17-167 24 0-47 Quality Control - Spike/Spike Duplicate 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Project: 185803849 Page 3 of 3 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 59 of 67 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed PDS/PDSD Batch Number 17-02-0065-9 Sample Solid ICP 7300 02/06/17 00:00 02/07/17 13:06 170206S02 17-02-0065-9 PDS Solid ICP 7300 02/06/17 00:00 02/07/17 12:57 170206S02 17-02-0065-9 PDSD Solid ICP 7300 02/06/17 00:00 02/07/17 12:57 170206S02 Parameter Sample Conc. Spike Added PDS Conc. PDS %Rec. PDSD Conc. PDSD %Rec. %Rec. CL RPD RPD CL Qualifiers Arsenic 7.258 25.00 33.33 104 34.23 108 75-125 3 0-20 Lead 104.5 25.00 125.1 4X 125.7 4X 75-125 4X 0-20 Q Quality Control - PDS/PDSD 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3050B Method:EPA 6010B Project: 185803849 Page 1 of 1 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 60 of 67 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number 097-01-002-24306 LCS Solid ICP 7300 02/06/17 02/07/17 12:52 170206L02 Parameter Spike Added Conc. Recovered LCS %Rec.%Rec. CL Qualifiers Arsenic 25.00 23.27 93 80-120 Lead 25.00 24.25 97 80-120 Quality Control - LCS 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3050B Method:EPA 6010B Project: 185803849 Page 1 of 3 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 61 of 67 Total number of LCS compounds: 17 Total number of ME compounds: 0 Total number of ME compounds allowed: 1 LCS ME CL validation result: Pass Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number 099-12-537-2610 LCS Solid GC 41 02/03/17 02/06/17 14:49 170203L05 Parameter Spike Added Conc. Recovered LCS %Rec.%Rec. CL ME CL Qualifiers Aldrin 25.00 22.32 89 50-135 36-149 Alpha-BHC 25.00 22.79 91 50-135 36-149 Beta-BHC 25.00 21.60 86 50-135 36-149 4,4'-DDD 25.00 22.74 91 50-135 36-149 4,4'-DDE 25.00 22.96 92 50-135 36-149 4,4'-DDT 25.00 22.47 90 50-135 36-149 Delta-BHC 25.00 23.35 93 50-135 36-149 Dieldrin 25.00 24.67 99 50-135 36-149 Endosulfan I 25.00 24.89 100 50-135 36-149 Endosulfan II 25.00 28.24 113 50-135 36-149 Endosulfan Sulfate 25.00 22.54 90 50-135 36-149 Endrin 25.00 20.64 83 50-135 36-149 Endrin Aldehyde 25.00 22.66 91 50-135 36-149 Gamma-BHC 25.00 22.40 90 50-135 36-149 Heptachlor 25.00 22.03 88 50-135 36-149 Heptachlor Epoxide 25.00 23.08 92 50-135 36-149 Methoxychlor 25.00 20.59 82 50-135 36-149 Quality Control - LCS 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 3545 Method:EPA 8081A Project: 185803849 Page 2 of 3 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 62 of 67 Total number of LCS compounds: 19 Total number of ME compounds: 0 Total number of ME compounds allowed: 1 LCS ME CL validation result: Pass Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number 099-12-796-12288 LCS Solid GC/MS R 02/02/17 02/03/17 07:09 170202L063 Parameter Spike Added Conc. Recovered LCS %Rec.%Rec. CL ME CL Qualifiers Benzene 50.00 44.44 89 80-120 73-127 Carbon Tetrachloride 50.00 38.00 76 65-137 53-149 Chlorobenzene 50.00 43.50 87 80-120 73-127 1,2-Dibromoethane 50.00 43.61 87 80-120 73-127 1,2-Dichlorobenzene 50.00 42.35 85 80-120 73-127 1,2-Dichloroethane 50.00 45.30 91 80-120 73-127 1,1-Dichloroethene 50.00 48.07 96 68-128 58-138 Ethylbenzene 50.00 43.54 87 80-120 73-127 Toluene 50.00 45.67 91 80-120 73-127 Trichloroethene 50.00 46.96 94 80-120 73-127 Vinyl Chloride 50.00 48.40 97 67-127 57-137 p/m-Xylene 100.0 85.05 85 75-125 67-133 o-Xylene 50.00 41.94 84 75-125 67-133 Methyl-t-Butyl Ether (MTBE)50.00 44.03 88 70-124 61-133 Tert-Butyl Alcohol (TBA)250.0 226.0 90 73-121 65-129 Diisopropyl Ether (DIPE)50.00 45.55 91 69-129 59-139 Ethyl-t-Butyl Ether (ETBE)50.00 42.50 85 70-124 61-133 Tert-Amyl-Methyl Ether (TAME)50.00 41.95 84 74-122 66-130 Ethanol 500.0 489.7 98 51-135 37-149 Quality Control - LCS 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/02/17 Work Order:17-02-0194 Preparation:EPA 5030C Method:EPA 8260B Project: 185803849 Page 3 of 3 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 63 of 67 Qualifiers Definition *See applicable analysis comment. <Less than the indicated value. >Greater than the indicated value. 1 Surrogate compound recovery was out of control due to a required sample dilution. Therefore, the sample data was reported without further clarification. 2 Surrogate compound recovery was out of control due to matrix interference. The associated method blank surrogate spike compound was in control and, therefore, the sample data was reported without further clarification. 3 Recovery of the Matrix Spike (MS) or Matrix Spike Duplicate (MSD) compound was out of control due to suspected matrix interference. The associated LCS recovery was in control. 4 The MS/MSD RPD was out of control due to suspected matrix interference. 5 The PDS/PDSD or PES/PESD associated with this batch of samples was out of control due to suspected matrix interference. 6 Surrogate recovery below the acceptance limit. 7 Surrogate recovery above the acceptance limit. B Analyte was present in the associated method blank. BU Sample analyzed after holding time expired. BV Sample received after holding time expired. CI See case narrative. E Concentration exceeds the calibration range. ET Sample was extracted past end of recommended max. holding time. HD The chromatographic pattern was inconsistent with the profile of the reference fuel standard. HDH The sample chromatographic pattern for TPH matches the chromatographic pattern of the specified standard but heavier hydrocarbons were also present (or detected). HDL The sample chromatographic pattern for TPH matches the chromatographic pattern of the specified standard but lighter hydrocarbons were also present (or detected). J Analyte was detected at a concentration below the reporting limit and above the laboratory method detection limit. Reported value is estimated. JA Analyte positively identified but quantitation is an estimate. ME LCS Recovery Percentage is within Marginal Exceedance (ME) Control Limit range (+/- 4 SD from the mean). ND Parameter not detected at the indicated reporting limit. Q Spike recovery and RPD control limits do not apply resulting from the parameter concentration in the sample exceeding the spike concentration by a factor of four or greater. SG The sample extract was subjected to Silica Gel treatment prior to analysis. X % Recovery and/or RPD out-of-range. Z Analyte presence was not confirmed by second column or GC/MS analysis. Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not corrected for % moisture. All QC results are reported on a wet weight basis. Any parameter identified in 40CFR Part 136.3 Table II that is designated as "analyze immediately" with a holding time of <= 15 minutes (40CFR-136.3 Table II, footnote 4), is considered a "field" test and the reported results will be qualified as being received outside of the stated holding time unless received at the laboratory within 15 minutes of the collection time. A calculated total result (Example: Total Pesticides) is the summation of each component concentration and/or, if "J" flags are reported, estimated concentration. Component concentrations showing not detected (ND) are summed into the calculated total result as zero concentrations. Glossary of Terms and Qualifiers 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Work Order: 17-02-0194 Page 1 of 1 Return to ContentsPage 64 of 67 Return to ContentsPage 65 of 67 Return to ContentsPage 66 of 67 Return to ContentsPage 67 of 67 WORK ORDER NUMBER: 17-02-1640 Analytical Report For Client:Stantec Client Project Name:185803849 Attention:Matthew Sapp 25864-F Business Center Drive Redlands, CA 92374-4515 Approved for release on by: Carla Hollowell Project Manager AIR SOIL WATER MARINE CHEMISTRY Eurofins Calscience, Inc. (Calscience) certifies that the test results provided in this report meet all NELAC requirements for parameters for which accreditation is required or available. Any exceptions to NELAC requirements are noted in the case narrative. The original report of subcontracted analyses, if any, is attached to this report. The results in this report are limited to the sample(s) tested and any reproduction thereof must be made in its entirety. The client or recipient of this report is specifically prohibited from making material changes to said report and, to the extent that such changes are made, Calscience is not responsible, legally or otherwise. The client or recipient agrees to indemnify Calscience for any defense to any litigation which may arise. 02/24/2017 Page 1 of 13 Contents 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client Project Name:185803849 Work Order Number:17-02-1640 1 Work Order Narrative. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Sample Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3 Detections Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 4 Client Sample Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 4.1 EPA 8081A Organochlorine Pesticides (Solid). . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 5 Quality Control Sample Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 5.1 MS/MSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 5.2 LCS/LCSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 6 Glossary of Terms and Qualifiers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 7 Chain-of-Custody/Sample Receipt Form. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Page 2 of 13 Condition Upon Receipt: Samples were received under Chain-of-Custody (COC) on 02/17/17. They were assigned to Work Order 17-02-1640. Unless otherwise noted on the Sample Receiving forms all samples were received in good condition and within the recommended EPA temperature criteria for the methods noted on the COC. The COC and Sample Receiving Documents are integral elements of the analytical report and are presented at the back of the report. Holding Times: All samples were analyzed within prescribed holding times (HT) and/or in accordance with the Calscience Sample Acceptance Policy unless otherwise noted in the analytical report and/or comprehensive case narrative, if required. Any parameter identified in 40CFR Part 136.3 Table II that is designated as "analyze immediately" with a holding time of <= 15 minutes (40CFR-136.3 Table II, footnote 4), is considered a "field" test and the reported results will be qualified as being received outside of the stated holding time unless received at the laboratory within 15 minutes of the collection time. Quality Control: All quality control parameters (QC) were within established control limits except where noted in the QC summary forms or described further within this report. Subcontractor Information: Unless otherwise noted below (or on the subcontract form), no samples were subcontracted. Additional Comments: Air - Sorbent-extracted air methods (EPA TO-4A, EPA TO-10, EPA TO-13A, EPA TO-17): Analytical results are converted from mass/sample basis to mass/volume basis using client-supplied air volumes. Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not corrected for % moisture. All QC results are always reported on a wet weight basis. Work Order Narrative 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Work Order: 17-02-1640 Page 1 of 1 Return to ContentsPage 3 of 13 Sample Identification Lab Number Collection Date and Time Number of Containers Matrix HA-11-1 17-02-1640-1 02/16/17 10:14 1 Solid HA-11-3 17-02-1640-2 02/16/17 10:15 1 Solid HA-12-3 17-02-1640-3 02/16/17 10:26 1 Solid Sample Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-1640 Project Name:185803849 PO Number: Date/Time Received: 02/17/17 12:56 Number of Containers: 3 Attn:Matthew Sapp Return to ContentsPage 4 of 13 Subcontracted analyses, if any, are not included in this summary. HA-11-1 (17-02-1640-1) 4,4'-DDD 26 5.0 ug/kg EPA 8081A EPA 3545 4,4'-DDE 230 50 ug/kg EPA 8081A EPA 3545 4,4'-DDT 270 50 ug/kg EPA 8081A EPA 3545 HA-12-3 (17-02-1640-3) 4,4'-DDE 39 25 ug/kg EPA 8081A EPA 3545 4,4'-DDT 9.0 5.0 ug/kg EPA 8081A EPA 3545 Detections Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-1640 Project Name:185803849 Received:02/17/17 Attn:Matthew Sapp Page 1 of 1 Client SampleID Analyte Result Qualifiers RL Units Method Extraction * MDL is shown Return to ContentsPage 5 of 13 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-11-1 17-02-1640-1-A 02/16/17 10:14 Solid GC 41 02/18/17 02/23/17 14:51 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD 26 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 94 24-168 2,4,5,6-Tetrachloro-m-Xylene 89 25-145 HA-11-1 17-02-1640-1-A 02/16/17 10:14 Solid GC 41 02/18/17 02/23/17 15:21 170218L04 Parameter Result RL DF Qualifiers 4,4'-DDE 230 50 10.0 4,4'-DDT 270 50 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 89 24-168 2,4,5,6-Tetrachloro-m-Xylene 81 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1640 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 1 of 3 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 6 of 13 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-12-3 17-02-1640-3-A 02/16/17 10:26 Solid GC 41 02/18/17 02/23/17 15:06 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDT 9.0 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 94 24-168 2,4,5,6-Tetrachloro-m-Xylene 90 25-145 HA-12-3 17-02-1640-3-A 02/16/17 10:26 Solid GC 41 02/18/17 02/23/17 17:35 170218L04 Parameter Result RL DF Qualifiers 4,4'-DDE 39 25 5.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 93 24-168 2,4,5,6-Tetrachloro-m-Xylene 89 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1640 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 2 of 3 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 7 of 13 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID Method Blank 099-12-537-2621 N/A Solid GC 41 02/18/17 02/22/17 13:37 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDE ND 5.0 1.00 4,4'-DDT ND 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 85 24-168 2,4,5,6-Tetrachloro-m-Xylene 69 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1640 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 3 of 3 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 8 of 13 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number 17-02-1641-5 Sample Solid GC 41 02/18/17 02/22/17 15:07 170218S04 17-02-1641-5 Matrix Spike Solid GC 41 02/18/17 02/22/17 13:52 170218S04 17-02-1641-5 Matrix Spike Duplicate Solid GC 41 02/18/17 02/22/17 14:07 170218S04 Parameter Sample Conc. Spike Added MS Conc. MS %Rec. MSD Conc. MSD %Rec. %Rec. CL RPD RPD CL Qualifiers Aldrin ND 25.00 17.75 71 17.74 71 50-135 0 0-25 Alpha-BHC ND 25.00 17.51 70 17.46 70 50-135 0 0-25 Beta-BHC ND 25.00 19.06 76 19.50 78 50-135 2 0-25 4,4'-DDD ND 25.00 22.59 90 22.88 92 50-135 1 0-25 4,4'-DDE ND 25.00 20.61 82 21.06 84 50-135 2 0-25 4,4'-DDT ND 25.00 20.06 80 21.04 84 50-135 5 0-25 Delta-BHC ND 25.00 20.04 80 20.38 82 50-135 2 0-25 Dieldrin ND 25.00 21.28 85 21.78 87 50-135 2 0-25 Endosulfan I ND 25.00 20.91 84 21.47 86 50-135 3 0-25 Endosulfan II ND 25.00 27.27 109 28.05 112 50-135 3 0-25 Endosulfan Sulfate ND 25.00 21.98 88 22.50 90 50-135 2 0-25 Endrin ND 25.00 22.51 90 23.38 94 50-135 4 0-25 Endrin Aldehyde ND 25.00 19.02 76 19.56 78 50-135 3 0-25 Gamma-BHC ND 25.00 17.84 71 17.90 72 50-135 0 0-25 Heptachlor ND 25.00 17.36 69 17.32 69 50-135 0 0-25 Heptachlor Epoxide ND 25.00 19.03 76 19.39 78 50-135 2 0-25 Methoxychlor ND 25.00 19.88 80 21.29 85 50-135 7 0-25 Quality Control - Spike/Spike Duplicate 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1640 Preparation:EPA 3545 Method:EPA 8081A Project: 185803849 Page 1 of 1 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 9 of 13 Total number of LCS compounds: 17 Total number of ME compounds: 0 Total number of ME compounds allowed: 1 LCS ME CL validation result: Pass Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number 099-12-537-2621 LCS Solid GC 41 02/18/17 02/22/17 13:22 170218L04 Parameter Spike Added Conc. Recovered LCS %Rec.%Rec. CL ME CL Qualifiers Aldrin 25.00 18.94 76 50-135 36-149 Alpha-BHC 25.00 18.87 75 50-135 36-149 Beta-BHC 25.00 18.49 74 50-135 36-149 4,4'-DDD 25.00 22.29 89 50-135 36-149 4,4'-DDE 25.00 20.10 80 50-135 36-149 4,4'-DDT 25.00 19.40 78 50-135 36-149 Delta-BHC 25.00 18.95 76 50-135 36-149 Dieldrin 25.00 21.45 86 50-135 36-149 Endosulfan I 25.00 21.22 85 50-135 36-149 Endosulfan II 25.00 27.99 112 50-135 36-149 Endosulfan Sulfate 25.00 22.86 91 50-135 36-149 Endrin 25.00 22.73 91 50-135 36-149 Endrin Aldehyde 25.00 16.57 66 50-135 36-149 Gamma-BHC 25.00 18.83 75 50-135 36-149 Heptachlor 25.00 18.51 74 50-135 36-149 Heptachlor Epoxide 25.00 19.66 79 50-135 36-149 Methoxychlor 25.00 19.99 80 50-135 36-149 Quality Control - LCS 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1640 Preparation:EPA 3545 Method:EPA 8081A Project: 185803849 Page 1 of 1 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 10 of 13 Qualifiers Definition *See applicable analysis comment. <Less than the indicated value. >Greater than the indicated value. 1 Surrogate compound recovery was out of control due to a required sample dilution. Therefore, the sample data was reported without further clarification. 2 Surrogate compound recovery was out of control due to matrix interference. The associated method blank surrogate spike compound was in control and, therefore, the sample data was reported without further clarification. 3 Recovery of the Matrix Spike (MS) or Matrix Spike Duplicate (MSD) compound was out of control due to suspected matrix interference. The associated LCS recovery was in control. 4 The MS/MSD RPD was out of control due to suspected matrix interference. 5 The PDS/PDSD or PES/PESD associated with this batch of samples was out of control due to suspected matrix interference. 6 Surrogate recovery below the acceptance limit. 7 Surrogate recovery above the acceptance limit. B Analyte was present in the associated method blank. BU Sample analyzed after holding time expired. BV Sample received after holding time expired. CI See case narrative. E Concentration exceeds the calibration range. ET Sample was extracted past end of recommended max. holding time. HD The chromatographic pattern was inconsistent with the profile of the reference fuel standard. HDH The sample chromatographic pattern for TPH matches the chromatographic pattern of the specified standard but heavier hydrocarbons were also present (or detected). HDL The sample chromatographic pattern for TPH matches the chromatographic pattern of the specified standard but lighter hydrocarbons were also present (or detected). J Analyte was detected at a concentration below the reporting limit and above the laboratory method detection limit. Reported value is estimated. JA Analyte positively identified but quantitation is an estimate. ME LCS Recovery Percentage is within Marginal Exceedance (ME) Control Limit range (+/- 4 SD from the mean). ND Parameter not detected at the indicated reporting limit. Q Spike recovery and RPD control limits do not apply resulting from the parameter concentration in the sample exceeding the spike concentration by a factor of four or greater. SG The sample extract was subjected to Silica Gel treatment prior to analysis. X % Recovery and/or RPD out-of-range. Z Analyte presence was not confirmed by second column or GC/MS analysis. Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not corrected for % moisture. All QC results are reported on a wet weight basis. Any parameter identified in 40CFR Part 136.3 Table II that is designated as "analyze immediately" with a holding time of <= 15 minutes (40CFR-136.3 Table II, footnote 4), is considered a "field" test and the reported results will be qualified as being received outside of the stated holding time unless received at the laboratory within 15 minutes of the collection time. A calculated total result (Example: Total Pesticides) is the summation of each component concentration and/or, if "J" flags are reported, estimated concentration. Component concentrations showing not detected (ND) are summed into the calculated total result as zero concentrations. Glossary of Terms and Qualifiers 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Work Order: 17-02-1640 Page 1 of 1 Return to ContentsPage 11 of 13 Return to ContentsPage 12 of 13 Return to ContentsPage 13 of 13 WORK ORDER NUMBER: 17-02-1641 Analytical Report For Client:Stantec Client Project Name:185803849 Attention:Matthew Sapp 25864-F Business Center Drive Redlands, CA 92374-4515 Approved for release on by: Carla Hollowell Project Manager AIR SOIL WATER MARINE CHEMISTRY Eurofins Calscience, Inc. (Calscience) certifies that the test results provided in this report meet all NELAC requirements for parameters for which accreditation is required or available. Any exceptions to NELAC requirements are noted in the case narrative. The original report of subcontracted analyses, if any, is attached to this report. The results in this report are limited to the sample(s) tested and any reproduction thereof must be made in its entirety. The client or recipient of this report is specifically prohibited from making material changes to said report and, to the extent that such changes are made, Calscience is not responsible, legally or otherwise. The client or recipient agrees to indemnify Calscience for any defense to any litigation which may arise. 02/24/2017 Page 1 of 16 Contents 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client Project Name:185803849 Work Order Number:17-02-1641 1 Work Order Narrative. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Sample Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3 Detections Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 4 Client Sample Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 4.1 EPA 8081A Organochlorine Pesticides (Solid). . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 5 Quality Control Sample Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 5.1 MS/MSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 5.2 LCS/LCSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 6 Glossary of Terms and Qualifiers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 7 Chain-of-Custody/Sample Receipt Form. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Page 2 of 16 Condition Upon Receipt: Samples were received under Chain-of-Custody (COC) on 02/17/17. They were assigned to Work Order 17-02-1641. Unless otherwise noted on the Sample Receiving forms all samples were received in good condition and within the recommended EPA temperature criteria for the methods noted on the COC. The COC and Sample Receiving Documents are integral elements of the analytical report and are presented at the back of the report. Holding Times: All samples were analyzed within prescribed holding times (HT) and/or in accordance with the Calscience Sample Acceptance Policy unless otherwise noted in the analytical report and/or comprehensive case narrative, if required. Any parameter identified in 40CFR Part 136.3 Table II that is designated as "analyze immediately" with a holding time of <= 15 minutes (40CFR-136.3 Table II, footnote 4), is considered a "field" test and the reported results will be qualified as being received outside of the stated holding time unless received at the laboratory within 15 minutes of the collection time. Quality Control: All quality control parameters (QC) were within established control limits except where noted in the QC summary forms or described further within this report. Subcontractor Information: Unless otherwise noted below (or on the subcontract form), no samples were subcontracted. Additional Comments: Air - Sorbent-extracted air methods (EPA TO-4A, EPA TO-10, EPA TO-13A, EPA TO-17): Analytical results are converted from mass/sample basis to mass/volume basis using client-supplied air volumes. Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not corrected for % moisture. All QC results are always reported on a wet weight basis. Work Order Narrative 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Work Order: 17-02-1641 Page 1 of 1 Return to ContentsPage 3 of 16 Sample Identification Lab Number Collection Date and Time Number of Containers Matrix HA-6-1 17-02-1641-1 02/16/17 09:25 1 Solid HA-6-3 17-02-1641-2 02/16/17 09:26 1 Solid HA-7-1 17-02-1641-3 02/16/17 09:35 1 Solid HA-7-3 17-02-1641-4 02/16/17 09:36 1 Solid HA-8-1 17-02-1641-5 02/16/17 09:46 1 Solid HA-8-3 17-02-1641-6 02/16/17 09:47 1 Solid HA-9-1 17-02-1641-7 02/16/17 09:53 1 Solid HA-9-3 17-02-1641-8 02/16/17 09:54 1 Solid HA-10-1 17-02-1641-9 02/16/17 10:02 1 Solid HA-10-3 17-02-1641-10 02/16/17 10:03 1 Solid Sample Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-1641 Project Name:185803849 PO Number: Date/Time Received: 02/17/17 12:56 Number of Containers: 10 Attn:Matthew Sapp Return to ContentsPage 4 of 16 Subcontracted analyses, if any, are not included in this summary. HA-6-1 (17-02-1641-1) 4,4'-DDE 1100 500 ug/kg EPA 8081A EPA 3545 4,4'-DDT 130 50 ug/kg EPA 8081A EPA 3545 HA-7-1 (17-02-1641-3) 4,4'-DDE 1300 500 ug/kg EPA 8081A EPA 3545 4,4'-DDT 190 50 ug/kg EPA 8081A EPA 3545 HA-9-1 (17-02-1641-7) 4,4'-DDD 51 50 ug/kg EPA 8081A EPA 3545 4,4'-DDE 1400 500 ug/kg EPA 8081A EPA 3545 4,4'-DDT 320 50 ug/kg EPA 8081A EPA 3545 HA-10-1 (17-02-1641-9) 4,4'-DDE 1800 500 ug/kg EPA 8081A EPA 3545 4,4'-DDT 680 100 ug/kg EPA 8081A EPA 3545 Detections Summary 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Client:Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Work Order:17-02-1641 Project Name:185803849 Received:02/17/17 Attn:Matthew Sapp Page 1 of 1 Client SampleID Analyte Result Qualifiers RL Units Method Extraction * MDL is shown Return to ContentsPage 5 of 16 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-6-1 17-02-1641-1-A 02/16/17 09:25 Solid GC 41 02/18/17 02/23/17 12:35 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 50 10.0 Alpha-BHC ND 100 10.0 Beta-BHC ND 50 10.0 Chlordane ND 500 10.0 4,4'-DDD ND 50 10.0 4,4'-DDT 130 50 10.0 Delta-BHC ND 100 10.0 Dieldrin ND 50 10.0 Endosulfan I ND 50 10.0 Endosulfan II ND 50 10.0 Endosulfan Sulfate ND 50 10.0 Endrin ND 50 10.0 Endrin Aldehyde ND 50 10.0 Endrin Ketone ND 50 10.0 Gamma-BHC ND 50 10.0 Heptachlor ND 50 10.0 Heptachlor Epoxide ND 100 10.0 Methoxychlor ND 50 10.0 Toxaphene ND 1000 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 106 24-168 2,4,5,6-Tetrachloro-m-Xylene 81 25-145 HA-6-1 17-02-1641-1-A 02/16/17 09:25 Solid GC 41 02/18/17 02/23/17 16:36 170218L04 Parameter Result RL DF Qualifiers 4,4'-DDE 1100 500 100 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 158 24-168 2,4,5,6-Tetrachloro-m-Xylene 109 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 1 of 6 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 6 of 16 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-7-1 17-02-1641-3-A 02/16/17 09:35 Solid GC 41 02/18/17 02/23/17 12:50 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 50 10.0 Alpha-BHC ND 100 10.0 Beta-BHC ND 50 10.0 Chlordane ND 500 10.0 4,4'-DDD ND 50 10.0 4,4'-DDT 190 50 10.0 Delta-BHC ND 100 10.0 Dieldrin ND 50 10.0 Endosulfan I ND 50 10.0 Endosulfan II ND 50 10.0 Endosulfan Sulfate ND 50 10.0 Endrin ND 50 10.0 Endrin Aldehyde ND 50 10.0 Endrin Ketone ND 50 10.0 Gamma-BHC ND 50 10.0 Heptachlor ND 50 10.0 Heptachlor Epoxide ND 100 10.0 Methoxychlor ND 50 10.0 Toxaphene ND 1000 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 62 24-168 2,4,5,6-Tetrachloro-m-Xylene 45 25-145 HA-7-1 17-02-1641-3-A 02/16/17 09:35 Solid GC 41 02/18/17 02/23/17 16:51 170218L04 Parameter Result RL DF Qualifiers 4,4'-DDE 1300 500 100 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 113 24-168 2,4,5,6-Tetrachloro-m-Xylene 70 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 2 of 6 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 7 of 16 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-8-1 17-02-1641-5-A 02/16/17 09:46 Solid GC 41 02/18/17 02/22/17 15:07 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDE ND 5.0 1.00 4,4'-DDT ND 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 98 24-168 2,4,5,6-Tetrachloro-m-Xylene 64 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 3 of 6 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 8 of 16 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-9-1 17-02-1641-7-A 02/16/17 09:53 Solid GC 41 02/18/17 02/23/17 13:05 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 50 10.0 Alpha-BHC ND 99 10.0 Beta-BHC ND 50 10.0 Chlordane ND 500 10.0 4,4'-DDD 51 50 10.0 4,4'-DDT 320 50 10.0 Delta-BHC ND 99 10.0 Dieldrin ND 50 10.0 Endosulfan I ND 50 10.0 Endosulfan II ND 50 10.0 Endosulfan Sulfate ND 50 10.0 Endrin ND 50 10.0 Endrin Aldehyde ND 50 10.0 Endrin Ketone ND 50 10.0 Gamma-BHC ND 50 10.0 Heptachlor ND 50 10.0 Heptachlor Epoxide ND 99 10.0 Methoxychlor ND 50 10.0 Toxaphene ND 990 10.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 107 24-168 2,4,5,6-Tetrachloro-m-Xylene 82 25-145 HA-9-1 17-02-1641-7-A 02/16/17 09:53 Solid GC 41 02/18/17 02/23/17 17:06 170218L04 Parameter Result RL DF Qualifiers 4,4'-DDE 1400 500 100 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 139 24-168 2,4,5,6-Tetrachloro-m-Xylene 97 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 4 of 6 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 9 of 16 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID HA-10-1 17-02-1641-9-A 02/16/17 10:02 Solid GC 41 02/18/17 02/23/17 14:21 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 100 20.0 Alpha-BHC ND 200 20.0 Beta-BHC ND 100 20.0 Chlordane ND 1000 20.0 4,4'-DDD ND 100 20.0 4,4'-DDT 680 100 20.0 Delta-BHC ND 200 20.0 Dieldrin ND 100 20.0 Endosulfan I ND 100 20.0 Endosulfan II ND 100 20.0 Endosulfan Sulfate ND 100 20.0 Endrin ND 100 20.0 Endrin Aldehyde ND 100 20.0 Endrin Ketone ND 100 20.0 Gamma-BHC ND 100 20.0 Heptachlor ND 100 20.0 Heptachlor Epoxide ND 200 20.0 Methoxychlor ND 100 20.0 Toxaphene ND 2000 20.0 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 91 24-168 2,4,5,6-Tetrachloro-m-Xylene 64 25-145 HA-10-1 17-02-1641-9-A 02/16/17 10:02 Solid GC 41 02/18/17 02/23/17 17:21 170218L04 Parameter Result RL DF Qualifiers 4,4'-DDE 1800 500 100 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 121 24-168 2,4,5,6-Tetrachloro-m-Xylene 90 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 5 of 6 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 10 of 16 Client Sample Number Lab Sample Number Date/Time Collected Matrix Instrument Date Prepared Date/Time Analyzed QC Batch ID Method Blank 099-12-537-2621 N/A Solid GC 41 02/18/17 02/22/17 13:37 170218L04 Parameter Result RL DF Qualifiers Aldrin ND 5.0 1.00 Alpha-BHC ND 10 1.00 Beta-BHC ND 5.0 1.00 Chlordane ND 50 1.00 4,4'-DDD ND 5.0 1.00 4,4'-DDE ND 5.0 1.00 4,4'-DDT ND 5.0 1.00 Delta-BHC ND 10 1.00 Dieldrin ND 5.0 1.00 Endosulfan I ND 5.0 1.00 Endosulfan II ND 5.0 1.00 Endosulfan Sulfate ND 5.0 1.00 Endrin ND 5.0 1.00 Endrin Aldehyde ND 5.0 1.00 Endrin Ketone ND 5.0 1.00 Gamma-BHC ND 5.0 1.00 Heptachlor ND 5.0 1.00 Heptachlor Epoxide ND 10 1.00 Methoxychlor ND 5.0 1.00 Toxaphene ND 100 1.00 Surrogate Rec. (%)Control Limits Qualifiers Decachlorobiphenyl 85 24-168 2,4,5,6-Tetrachloro-m-Xylene 69 25-145 Analytical Report 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Units:ug/kg Project: 185803849 Page 6 of 6 RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit.Return to ContentsPage 11 of 16 Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number HA-8-1 Sample Solid GC 41 02/18/17 02/22/17 15:07 170218S04 HA-8-1 Matrix Spike Solid GC 41 02/18/17 02/22/17 13:52 170218S04 HA-8-1 Matrix Spike Duplicate Solid GC 41 02/18/17 02/22/17 14:07 170218S04 Parameter Sample Conc. Spike Added MS Conc. MS %Rec. MSD Conc. MSD %Rec. %Rec. CL RPD RPD CL Qualifiers Aldrin ND 25.00 17.75 71 17.74 71 50-135 0 0-25 Alpha-BHC ND 25.00 17.51 70 17.46 70 50-135 0 0-25 Beta-BHC ND 25.00 19.06 76 19.50 78 50-135 2 0-25 4,4'-DDD ND 25.00 22.59 90 22.88 92 50-135 1 0-25 4,4'-DDE ND 25.00 20.61 82 21.06 84 50-135 2 0-25 4,4'-DDT ND 25.00 20.06 80 21.04 84 50-135 5 0-25 Delta-BHC ND 25.00 20.04 80 20.38 82 50-135 2 0-25 Dieldrin ND 25.00 21.28 85 21.78 87 50-135 2 0-25 Endosulfan I ND 25.00 20.91 84 21.47 86 50-135 3 0-25 Endosulfan II ND 25.00 27.27 109 28.05 112 50-135 3 0-25 Endosulfan Sulfate ND 25.00 21.98 88 22.50 90 50-135 2 0-25 Endrin ND 25.00 22.51 90 23.38 94 50-135 4 0-25 Endrin Aldehyde ND 25.00 19.02 76 19.56 78 50-135 3 0-25 Gamma-BHC ND 25.00 17.84 71 17.90 72 50-135 0 0-25 Heptachlor ND 25.00 17.36 69 17.32 69 50-135 0 0-25 Heptachlor Epoxide ND 25.00 19.03 76 19.39 78 50-135 2 0-25 Methoxychlor ND 25.00 19.88 80 21.29 85 50-135 7 0-25 Quality Control - Spike/Spike Duplicate 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Project: 185803849 Page 1 of 1 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 12 of 16 Total number of LCS compounds: 17 Total number of ME compounds: 0 Total number of ME compounds allowed: 1 LCS ME CL validation result: Pass Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number 099-12-537-2621 LCS Solid GC 41 02/18/17 02/22/17 13:22 170218L04 Parameter Spike Added Conc. Recovered LCS %Rec.%Rec. CL ME CL Qualifiers Aldrin 25.00 18.94 76 50-135 36-149 Alpha-BHC 25.00 18.87 75 50-135 36-149 Beta-BHC 25.00 18.49 74 50-135 36-149 4,4'-DDD 25.00 22.29 89 50-135 36-149 4,4'-DDE 25.00 20.10 80 50-135 36-149 4,4'-DDT 25.00 19.40 78 50-135 36-149 Delta-BHC 25.00 18.95 76 50-135 36-149 Dieldrin 25.00 21.45 86 50-135 36-149 Endosulfan I 25.00 21.22 85 50-135 36-149 Endosulfan II 25.00 27.99 112 50-135 36-149 Endosulfan Sulfate 25.00 22.86 91 50-135 36-149 Endrin 25.00 22.73 91 50-135 36-149 Endrin Aldehyde 25.00 16.57 66 50-135 36-149 Gamma-BHC 25.00 18.83 75 50-135 36-149 Heptachlor 25.00 18.51 74 50-135 36-149 Heptachlor Epoxide 25.00 19.66 79 50-135 36-149 Methoxychlor 25.00 19.99 80 50-135 36-149 Quality Control - LCS 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Stantec 25864-F Business Center Drive Redlands, CA 92374-4515 Date Received:02/17/17 Work Order:17-02-1641 Preparation:EPA 3545 Method:EPA 8081A Project: 185803849 Page 1 of 1 RPD: Relative Percent Difference. CL: Control Limits Return to ContentsPage 13 of 16 Qualifiers Definition *See applicable analysis comment. <Less than the indicated value. >Greater than the indicated value. 1 Surrogate compound recovery was out of control due to a required sample dilution. Therefore, the sample data was reported without further clarification. 2 Surrogate compound recovery was out of control due to matrix interference. The associated method blank surrogate spike compound was in control and, therefore, the sample data was reported without further clarification. 3 Recovery of the Matrix Spike (MS) or Matrix Spike Duplicate (MSD) compound was out of control due to suspected matrix interference. The associated LCS recovery was in control. 4 The MS/MSD RPD was out of control due to suspected matrix interference. 5 The PDS/PDSD or PES/PESD associated with this batch of samples was out of control due to suspected matrix interference. 6 Surrogate recovery below the acceptance limit. 7 Surrogate recovery above the acceptance limit. B Analyte was present in the associated method blank. BU Sample analyzed after holding time expired. BV Sample received after holding time expired. CI See case narrative. E Concentration exceeds the calibration range. ET Sample was extracted past end of recommended max. holding time. HD The chromatographic pattern was inconsistent with the profile of the reference fuel standard. HDH The sample chromatographic pattern for TPH matches the chromatographic pattern of the specified standard but heavier hydrocarbons were also present (or detected). HDL The sample chromatographic pattern for TPH matches the chromatographic pattern of the specified standard but lighter hydrocarbons were also present (or detected). J Analyte was detected at a concentration below the reporting limit and above the laboratory method detection limit. Reported value is estimated. JA Analyte positively identified but quantitation is an estimate. ME LCS Recovery Percentage is within Marginal Exceedance (ME) Control Limit range (+/- 4 SD from the mean). ND Parameter not detected at the indicated reporting limit. Q Spike recovery and RPD control limits do not apply resulting from the parameter concentration in the sample exceeding the spike concentration by a factor of four or greater. SG The sample extract was subjected to Silica Gel treatment prior to analysis. X % Recovery and/or RPD out-of-range. Z Analyte presence was not confirmed by second column or GC/MS analysis. Solid - Unless otherwise indicated, solid sample data is reported on a wet weight basis, not corrected for % moisture. All QC results are reported on a wet weight basis. Any parameter identified in 40CFR Part 136.3 Table II that is designated as "analyze immediately" with a holding time of <= 15 minutes (40CFR-136.3 Table II, footnote 4), is considered a "field" test and the reported results will be qualified as being received outside of the stated holding time unless received at the laboratory within 15 minutes of the collection time. A calculated total result (Example: Total Pesticides) is the summation of each component concentration and/or, if "J" flags are reported, estimated concentration. Component concentrations showing not detected (ND) are summed into the calculated total result as zero concentrations. Glossary of Terms and Qualifiers 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 Work Order: 17-02-1641 Page 1 of 1 Return to ContentsPage 14 of 16 Return to ContentsPage 15 of 16 Return to ContentsPage 16 of 16 ANALYSES REQUESTED 1. EPA 8260B - Volatile Organics by GC/MS + Oxygenates Sampling – Soil Gas samples were collected in glass gas-tight syringes equipped with Teflon plungers. A tracer gas mixture of n-pentane, n-hexane, and n-heptane was placed at the tubing-surface interface before sampling. These compounds were analyzed during the 8260B analytical run to determine if there were surface leaks into the subsurface due to improper installation of the probe. No n-pentane, n-hexane, or n-heptane was found in any of the samples reported herein. The sampling rate was approximately 200 cc/min, except when noted differently on the chain of custody record, using a glass gas-tight syringe. Purging was completed using a pump set at approximately 200 cc/min, except when noted differently on the chain of custody record. A default of 3 purge volumes was used as recommended by July 2015 DTSC/RWQCB guidance documents. Prior to purging and sampling of soil gas at each point, a shut-in test was conducted to check for leaks in the above ground fittings. The shut-in test was performed on the above ground apparatus by evacuating the line to a vacuum of 100 inches of water, sealing the entire system and watching the vacuum for at least one minute. A vacuum gauge attached in parallel to the apparatus measured the vacuum. If there was any observable loss of vacuum, the fittings were adjusted as needed until the vacuum did not change noticeably. The soil gas sample was then taken. No flow conditions occur when a sampling rate greater than 10 mL/min cannot be maintained without applying a vacuum greater than 100 inches of water to the sampling train. The sampling train is left at a vacuum for no less than three minutes. If the vacuum does not subside appreciably after three minutes, the sample location is determined to be a no flow sample. Analytical – Soil Gas samples were analyzed using EPA Method 8260 that includes extra compounds required by DTSC/RWQCB (such as Freon 113). Instrument Continuing Calibration Verification, QC Reference Standards, Instrument Blanks and Sampling Blanks were analyzed every 12 hours as prescribed by the method. In addition, a Laboratory Control Sample (LCS) and Laboratory Control Sample Duplicate (LCSD) were analyzed with each batch of Soil Gas samples. A duplicate/replicate sample was analyzed each day of the sampling activity. All samples were injected into the GC/MS system within 30 minutes of sampling. Approval: ________________________ Steve Jones, Ph.D. Laboratory Manager JONES ENVIRONMENTAL LABORATORY RESULTS Client: Stantec, Inc. Report date: 2/3/2017 Client Address: 25864-F Business Center Drive JEL Ref. No.: E-0675 Redlands, CA 92374-4515 Client Ref No.: 185803849 Attn: Kyle Emerson Date Sampled: 2/3/2017 Date Received: 2/3/2017 Date Analyzed: 2/3/2017 Project Address: 15 Las Tunas Dr. Physical State: Soil Gas Arcadia, CA Page 1 of 12 Client: Report date:2/3/2017 Client Address:JEL Ref. No.:E-0675 Client Ref. No.:185803849 Attn:Date Sampled:2/3/2017 Date Received:2/3/2017 Date Analyzed:2/3/2017 Project Address:Physical State:Soil Gas Sample ID:SV5-5'SV6-5'SV4-5'SV4-15'SV3-5' JEL ID:E-0675-01 E-0675-02 E-0675-03 E-0675-04 E-0675-05 Analytes: Benzene ND ND ND ND ND 0.008 μg/L Bromobenzene ND ND ND ND ND 0.008 μg/L Bromodichloromethane ND ND ND ND ND 0.008 μg/L Bromoform ND ND ND ND ND 0.008 μg/L n-Butylbenzene ND ND ND ND ND 0.008 μg/L sec-Butylbenzene ND ND ND ND ND 0.008 μg/L tert-Butylbenzene ND ND ND ND ND 0.008 μg/L Carbon tetrachloride ND ND ND ND ND 0.008 μg/L Chlorobenzene ND ND ND ND ND 0.008 μg/L Chloroform ND ND ND ND ND 0.008 μg/L 2-Chlorotoluene ND ND ND ND ND 0.008 μg/L 4-Chlorotoluene ND ND ND ND ND 0.008 μg/L Dibromochloromethane ND ND ND ND ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND ND ND ND ND 0.012 μg/L 1,2-Dibromoethane (EDB) ND ND ND ND ND 0.008 μg/L Dibromomethane ND ND ND ND ND 0.008 μg/L 1,2- Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,3-Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,4-Dichlorobenzene ND ND ND ND ND 0.008 μg/L Dichlorodifluoromethane 0.051 0.035 ND ND ND 0.008 μg/L 1,1-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,2-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,1-Dichloroethene ND ND ND ND ND 0.008 μg/L cis-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L trans-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L 1,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,3-Dichloropropane ND ND ND ND ND 0.008 μg/L 2,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,1-Dichloropropene ND ND ND ND ND 0.008 μg/L Practical Quantitation Limit EPA 8260B – Volatile Organics by GC/MS + Oxygenates Units 15 Las Tunas Dr. JONES ENVIRONMENTAL LABORATORY RESULTS 25864-F Business Center Drive Kyle Emerson Stantec, Inc. Redlands, CA 92374-4515 Arcadia, CA Page 2 of 12 Sample ID:SV5-5'SV6-5'SV4-5'SV4-15'SV3-5' JEL ID:E-0675-01 E-0675-02 E-0675-03 E-0675-04 E-0675-05 Analytes: cis-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L trans-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L Ethylbenzene ND 0.008 0.010 0.008 0.012 0.008 μg/L Freon 113 ND ND ND ND ND 0.040 μg/L Hexachlorobutadiene ND ND ND ND ND 0.008 μg/L Isopropylbenzene ND ND ND ND ND 0.008 μg/L 4-Isopropyltoluene ND ND ND ND ND 0.008 μg/L Methylene chloride ND ND ND ND ND 0.008 μg/L Naphthalene ND ND ND ND ND 0.032 μg/L n-Propylbenzene ND ND ND ND ND 0.008 μg/L Styrene ND ND ND 0.090 ND 0.008 μg/L 1,1,1,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L Tetrachloroethylene 0.423 0.082 0.912 0.872 1.50 0.008 μg/L Toluene 0.012 0.014 0.019 0.013 0.022 0.008 μg/L 1,2,3-Trichlorobenzene ND ND ND ND ND 0.022 μg/L 1,2,4-Trichlorobenzene ND ND ND ND ND 0.013 μg/L 1,1,1-Trichloroethane ND ND ND ND ND 0.008 μg/L 1,1,2-Trichloroethane ND ND ND ND ND 0.008 μg/L Trichloroethylene ND ND ND ND ND 0.008 μg/L Trichlorofluoromethane ND ND ND ND ND 0.008 μg/L 1,2,3-Trichloropropane ND ND ND ND ND 0.008 μg/L 1,2,4-Trimethylbenzene ND ND 0.018 0.010 0.032 0.008 μg/L 1,3,5-Trimethylbenzene ND ND ND ND ND 0.008 μg/L Vinyl chloride ND ND ND ND ND 0.008 μg/L m,p-Xylene 0.018 0.019 0.029 0.019 0.043 0.008 μg/L o-Xylene ND ND 0.008 ND 0.013 0.008 μg/L MTBE ND ND ND ND ND 0.040 μg/L Ethyl-tert-butylether ND ND ND ND ND 0.040 μg/L Di-isopropylether ND ND ND ND ND 0.040 μg/L tert-amylmethylether ND ND ND ND ND 0.040 μg/L tert-Butylalcohol ND ND ND ND ND 0.400 μg/L TIC: n-pentane ND ND ND ND ND 0.400 μg/L n-hexane ND ND ND ND ND 0.400 μg/L n-heptane ND ND ND ND ND 0.400 μg/L Dilution Factor 1 1 1 1 1 Surrogate Recoveries: Dibromofluoromethane 101%101%95%98%102% Toluene-d₈99%98%100%100%97% 4-Bromofluorobenzene 99%100%98%93%95% E1-020317- E-0675 E1-020317- E-0675 E1-020317- E-0675 E1-020317- E-0675 E1-020317- E-0675 ND= Not Detected QC Limits 60 - 140 EPA 8260B – Volatile Organics by GC/MS + Oxygenates JONES ENVIRONMENTAL LABORATORY RESULTS 60 - 140 60 - 140 Practical Quantitation Limit Units Page 3 of 12 Client: Report date:2/3/2017 Client Address:JEL Ref. No.:E-0675 Client Ref. No.:185803849 Attn:Date Sampled:2/3/2017 Date Received:2/3/2017 Date Analyzed:2/3/2017 Project Address:Physical State:Soil Gas Sample ID:SV3-15'SV1-5'SV1-5' REP SV1-15'SV2-5' JEL ID:E-0675-06 E-0675-07 E-0675-08 E-0675-09 E-0675-10 Analytes: Benzene ND ND ND ND ND 0.008 μg/L Bromobenzene ND ND ND ND ND 0.008 μg/L Bromodichloromethane ND ND ND ND ND 0.008 μg/L Bromoform ND ND ND ND ND 0.008 μg/L n-Butylbenzene ND ND ND ND ND 0.008 μg/L sec-Butylbenzene ND ND ND ND ND 0.008 μg/L tert-Butylbenzene ND ND ND ND ND 0.008 μg/L Carbon tetrachloride ND ND ND ND ND 0.008 μg/L Chlorobenzene ND ND ND ND ND 0.008 μg/L Chloroform ND ND ND ND ND 0.008 μg/L 2-Chlorotoluene ND ND ND ND ND 0.008 μg/L 4-Chlorotoluene ND ND ND ND ND 0.008 μg/L Dibromochloromethane ND ND ND ND ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND ND ND ND ND 0.012 μg/L 1,2-Dibromoethane (EDB) ND ND ND ND ND 0.008 μg/L Dibromomethane ND ND ND ND ND 0.008 μg/L 1,2- Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,3-Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,4-Dichlorobenzene ND ND ND ND ND 0.008 μg/L Dichlorodifluoromethane ND ND ND ND ND 0.008 μg/L 1,1-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,2-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,1-Dichloroethene ND ND ND ND ND 0.008 μg/L cis-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L trans-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L 1,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,3-Dichloropropane ND ND ND ND ND 0.008 μg/L 2,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,1-Dichloropropene ND ND ND ND ND 0.008 μg/L JONES ENVIRONMENTAL LABORATORY RESULTS Stantec, Inc. 25864-F Business Center Drive Redlands, CA 92374-4515 Kyle Emerson 15 Las Tunas Dr. Arcadia, CA EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units Page 4 of 12 Sample ID:SV3-15'SV1-5'SV1-5' REP SV1-15'SV2-5' JEL ID:E-0675-06 E-0675-07 E-0675-08 E-0675-09 E-0675-10 Analytes: cis-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L trans-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L Ethylbenzene 0.008 0.010 0.010 ND 0.011 0.008 μg/L Freon 113 ND ND ND ND ND 0.040 μg/L Hexachlorobutadiene ND ND ND ND ND 0.008 μg/L Isopropylbenzene ND ND ND ND ND 0.008 μg/L 4-Isopropyltoluene ND ND ND ND ND 0.008 μg/L Methylene chloride ND ND ND ND ND 0.008 μg/L Naphthalene ND ND ND ND ND 0.032 μg/L n-Propylbenzene ND ND ND ND ND 0.008 μg/L Styrene 0.089 0.118 0.118 0.133 0.113 0.008 μg/L 1,1,1,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L Tetrachloroethylene 2.23 3.17 2.64 2.63 2.74 0.008 μg/L Toluene 0.014 0.016 0.015 0.023 0.018 0.008 μg/L 1,2,3-Trichlorobenzene ND ND ND ND ND 0.022 μg/L 1,2,4-Trichlorobenzene ND ND ND ND ND 0.013 μg/L 1,1,1-Trichloroethane ND ND ND ND ND 0.008 μg/L 1,1,2-Trichloroethane ND ND ND ND ND 0.008 μg/L Trichloroethylene ND ND ND ND ND 0.008 μg/L Trichlorofluoromethane ND 0.009 0.008 0.008 0.009 0.008 μg/L 1,2,3-Trichloropropane ND ND ND ND ND 0.008 μg/L 1,2,4-Trimethylbenzene 0.011 ND ND 0.009 0.009 0.008 μg/L 1,3,5-Trimethylbenzene ND ND ND ND ND 0.008 μg/L Vinyl chloride ND ND ND ND ND 0.008 μg/L m,p-Xylene 0.020 0.016 0.014 0.019 0.019 0.008 μg/L o-Xylene ND ND ND ND ND 0.008 μg/L MTBE ND ND ND ND ND 0.040 μg/L Ethyl-tert-butylether ND ND ND ND ND 0.040 μg/L Di-isopropylether ND ND ND ND ND 0.040 μg/L tert-amylmethylether ND ND ND ND ND 0.040 μg/L tert-Butylalcohol ND ND ND ND ND 0.400 μg/L TIC: n-pentane ND ND ND ND ND 0.400 μg/L n-hexane ND ND ND ND ND 0.400 μg/L n-heptane ND ND ND ND ND 0.400 μg/L Dilution Factor 1 1 1 1 1 Surrogate Recoveries: Dibromofluoromethane 99%96%100%102%101% Toluene-d₈100%104%100%99%103% 4-Bromofluorobenzene 99%96%99%96%91% E1-020317- E-0675 E1-020317- E-0675 E1-020317- E-0675 E1-020317- E-0675 E1-020317- E-0675 ND= Not Detected QC Limits 60 - 140 60 - 140 60 - 140 JONES ENVIRONMENTAL LABORATORY RESULTS EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units Page 5 of 12 Client: Report date:2/3/2017 Client Address:JEL Ref. No.:E-0675 Client Ref. No.:185803849 Attn:Date Sampled:2/3/2017 Date Received:2/3/2017 Date Analyzed:2/3/2017 Project Address:Physical State:Soil Gas Sample ID:SV2-15' JEL ID:E-0675-11 Analytes: Benzene ND 0.008 μg/L Bromobenzene ND 0.008 μg/L Bromodichloromethane ND 0.008 μg/L Bromoform ND 0.008 μg/L n-Butylbenzene ND 0.008 μg/L sec-Butylbenzene ND 0.008 μg/L tert-Butylbenzene ND 0.008 μg/L Carbon tetrachloride ND 0.008 μg/L Chlorobenzene ND 0.008 μg/L Chloroform ND 0.008 μg/L 2-Chlorotoluene ND 0.008 μg/L 4-Chlorotoluene ND 0.008 μg/L Dibromochloromethane ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND 0.012 μg/L 1,2-Dibromoethane (EDB) ND 0.008 μg/L Dibromomethane ND 0.008 μg/L 1,2- Dichlorobenzene ND 0.008 μg/L 1,3-Dichlorobenzene ND 0.008 μg/L 1,4-Dichlorobenzene ND 0.008 μg/L Dichlorodifluoromethane ND 0.008 μg/L 1,1-Dichloroethane ND 0.008 μg/L 1,2-Dichloroethane ND 0.008 μg/L 1,1-Dichloroethene ND 0.008 μg/L cis-1,2-Dichloroethene ND 0.008 μg/L trans-1,2-Dichloroethene ND 0.008 μg/L 1,2-Dichloropropane ND 0.008 μg/L 1,3-Dichloropropane ND 0.008 μg/L 2,2-Dichloropropane ND 0.008 μg/L 1,1-Dichloropropene ND 0.008 μg/L JONES ENVIRONMENTAL LABORATORY RESULTS Stantec, Inc. 25864-F Business Center Drive Redlands, CA 92374-4515 Kyle Emerson 15 Las Tunas Dr. Arcadia, CA EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units Page 6 of 12 Sample ID:SV2-15' JEL ID:E-0675-11 Analytes: cis-1,3-Dichloropropene ND 0.008 μg/L trans-1,3-Dichloropropene ND 0.008 μg/L Ethylbenzene 0.018 0.008 μg/L Freon 113 ND 0.040 μg/L Hexachlorobutadiene ND 0.008 μg/L Isopropylbenzene 0.011 0.008 μg/L 4-Isopropyltoluene ND 0.008 μg/L Methylene chloride ND 0.008 μg/L Naphthalene ND 0.032 μg/L n-Propylbenzene 0.010 0.008 μg/L Styrene 0.172 0.008 μg/L 1,1,1,2-Tetrachloroethane ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND 0.008 μg/L Tetrachloroethylene 2.91 0.008 μg/L Toluene 0.028 0.008 μg/L 1,2,3-Trichlorobenzene ND 0.022 μg/L 1,2,4-Trichlorobenzene ND 0.013 μg/L 1,1,1-Trichloroethane ND 0.008 μg/L 1,1,2-Trichloroethane ND 0.008 μg/L Trichloroethylene ND 0.008 μg/L Trichlorofluoromethane 0.010 0.008 μg/L 1,2,3-Trichloropropane ND 0.008 μg/L 1,2,4-Trimethylbenzene 0.010 0.008 μg/L 1,3,5-Trimethylbenzene ND 0.008 μg/L Vinyl chloride ND 0.008 μg/L m,p-Xylene 0.020 0.008 μg/L o-Xylene ND 0.008 μg/L MTBE ND 0.040 μg/L Ethyl-tert-butylether ND 0.040 μg/L Di-isopropylether ND 0.040 μg/L tert-amylmethylether ND 0.040 μg/L tert-Butylalcohol ND 0.400 μg/L TIC: n-pentane ND 0.400 μg/L n-hexane ND 0.400 μg/L n-heptane ND 0.400 μg/L Dilution Factor 1 Surrogate Recoveries: Dibromofluoromethane 101% Toluene-d₈98% 4-Bromofluorobenzene 94% E1-020317- E-0675 ND= Not Detected QC Limits 60 - 140 60 - 140 60 - 140 JONES ENVIRONMENTAL LABORATORY RESULTS EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units Page 7 of 12 Client: Report date:2/3/2017 Client Address:JEL Ref. No.:E-0675 Client Ref. No.:185803849 Attn:Date Sampled:2/3/2017 Date Received:2/3/2017 Date Analyzed:2/3/2017 Project Address:Physical State:Soil Gas Sample ID:METHOD BLANK SAMPLING BLANK JEL ID:020317- E1MB1 020317- E1SB1 Analytes: Benzene ND ND 0.008 μg/L Bromobenzene ND ND 0.008 μg/L Bromodichloromethane ND ND 0.008 μg/L Bromoform ND ND 0.008 μg/L n-Butylbenzene ND ND 0.008 μg/L sec-Butylbenzene ND ND 0.008 μg/L tert-Butylbenzene ND ND 0.008 μg/L Carbon tetrachloride ND ND 0.008 μg/L Chlorobenzene ND ND 0.008 μg/L Chloroform ND ND 0.008 μg/L 2-Chlorotoluene ND ND 0.008 μg/L 4-Chlorotoluene ND ND 0.008 μg/L Dibromochloromethane ND ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND ND 0.012 μg/L 1,2-Dibromoethane (EDB) ND ND 0.008 μg/L Dibromomethane ND ND 0.008 μg/L 1,2- Dichlorobenzene ND ND 0.008 μg/L 1,3-Dichlorobenzene ND ND 0.008 μg/L 1,4-Dichlorobenzene ND ND 0.008 μg/L Dichlorodifluoromethane ND ND 0.008 μg/L 1,1-Dichloroethane ND ND 0.008 μg/L 1,2-Dichloroethane ND ND 0.008 μg/L 1,1-Dichloroethene ND ND 0.008 μg/L cis-1,2-Dichloroethene ND ND 0.008 μg/L trans-1,2-Dichloroethene ND ND 0.008 μg/L 1,2-Dichloropropane ND ND 0.008 μg/L 1,3-Dichloropropane ND ND 0.008 μg/L 2,2-Dichloropropane ND ND 0.008 μg/L 1,1-Dichloropropene ND ND 0.008 μg/L Units 15 Las Tunas Dr. Arcadia, CA EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit JONES ENVIRONMENTAL QUALITY CONTROL INFORMATION Stantec, Inc. 25864-F Business Center Drive Redlands, CA 92374-4515 Kyle Emerson Page 8 of 12 Sample ID:METHOD BLANK SAMPLING BLANK JEL ID:020317- E1MB1 020317- E1SB1 Analytes: cis-1,3-Dichloropropene ND ND 0.008 μg/L trans-1,3-Dichloropropene ND ND 0.008 μg/L Ethylbenzene ND ND 0.008 μg/L Freon 113 ND ND 0.040 μg/L Hexachlorobutadiene ND ND 0.008 μg/L Isopropylbenzene ND ND 0.008 μg/L 4-Isopropyltoluene ND ND 0.008 μg/L Methylene chloride ND ND 0.008 μg/L Naphthalene ND ND 0.032 μg/L n-Propylbenzene ND ND 0.008 μg/L Styrene ND ND 0.008 μg/L 1,1,1,2-Tetrachloroethane ND ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND ND 0.008 μg/L Tetrachloroethylene ND ND 0.008 μg/L Toluene ND ND 0.008 μg/L 1,2,3-Trichlorobenzene ND ND 0.022 μg/L 1,2,4-Trichlorobenzene ND ND 0.013 μg/L 1,1,1-Trichloroethane ND ND 0.008 μg/L 1,1,2-Trichloroethane ND ND 0.008 μg/L Trichloroethylene ND ND 0.008 μg/L Trichlorofluoromethane ND ND 0.008 μg/L 1,2,3-Trichloropropane ND ND 0.008 μg/L 1,2,4-Trimethylbenzene ND ND 0.008 μg/L 1,3,5-Trimethylbenzene ND ND 0.008 μg/L Vinyl chloride ND ND 0.008 μg/L m,p-Xylene ND ND 0.008 μg/L o-Xylene ND ND 0.008 μg/L MTBE ND ND 0.040 μg/L Ethyl-tert-butylether ND ND 0.040 μg/L Di-isopropylether ND ND 0.040 μg/L tert-amylmethylether ND ND 0.040 μg/L tert-Butylalcohol ND ND 0.400 μg/L TIC: n-pentane ND ND 0.400 μg/L n-hexane ND ND 0.400 μg/L n-heptane ND ND 0.400 μg/L Dilution Factor 1 1 Surrogate Recoveries: Dibromofluoromethane 101%101% Toluene-d₈97%98% 4-Bromofluorobenzene 96%95% E1-020317- E-0675 E1-020317- E-0675 ND= Not Detected 60 - 140 JONES ENVIRONMENTAL QUALITY CONTROL INFORMATION 60 - 140 60 - 140 EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units QC Limits Page 9 of 12 Client: 2/3/2017 Client Address:E-0675 185803849 Attn:2/3/2017 2/3/2017 2/3/2017 Project Address:Soil Gas Batch ID: JEL ID:020317-E1CCV1 Parameter RPD Acceptability Range (%)CCV Acceptability Range (%) Vinyl Chloride 11.3%70 - 130 79%80 - 120 1,1-Dichloroethylene 1.7%70 - 130 104%80 - 120 Cis-1,2-Dichloroethene 3.4%70 - 130 90%80 - 120 1,1,1-Trichloroethane 1.5%70 - 130 85%80 - 120 Benzene 3.0%70 - 130 99%80 - 120 Trichloroethylene 5.6%70 - 130 94%80 - 120 Toluene 2.6%70 - 130 105%80 - 120 Tetrachloroethene 1.3%70 - 130 104%80 - 120 Chlorobenzene 1.1%70 - 130 101%80 - 120 Ethylbenzene 6.4%70 - 130 95%80 - 120 1,2,4 Trimethylbenzene 1.7%70 - 130 104%80 - 120 Gasoline Range Organics 3.4%70 - 130 Surrogate Recovery: Dibromofluoromethane 60 - 140 86%60 - 140 Toluene-d₈60 - 140 98%60 - 140 4-Bromofluorobenzene 60 - 140 99%60 - 140 CCV = Continuing Calibration Verification 75% 95% 118% 112%115% 116% 95% 93% 112%110% JEL Ref. No.: Redlands, CA 92374-4515 Physical State: E1-020317-E-0675 LCS Recovery (%) LCSD Recovery (%) 108% 101% 113% 96% 109% Stantec, Inc. Report date: 25864-F Business Center Drive Kyle Emerson JONES ENVIRONMENTAL QUALITY CONTROL INFORMATION Client Ref. No.: EPA 8260B – Volatile Organics by GC/MS + Oxygenates 020317-E1LCS1 020317-E1LCSD1 105% LCSD = Laboratory Control Sample Duplicate RPD = Relative Percent Difference; Acceptability range for RPD is ≤ 15% LCS = Laboratory Control Sample 100% 96% 98% 94% 98% Date Sampled: Arcadia, CA Date Received: Date Analyzed: 15 Las Tunas Dr. 107%106% 109%102% 67% 101% 100%99% 98% Page 10 of 12 Page 11 of 12 Page 12 of 12 ANALYSES REQUESTED 1. EPA 8260B - Volatile Organics by GC/MS + Oxygenates Sampling – Soil Gas samples were collected in glass gas-tight syringes equipped with Teflon plungers. A tracer gas mixture of n-pentane, n-hexane, and n-heptane was placed at the tubing-surface interface before sampling. These compounds were analyzed during the 8260B analytical run to determine if there were surface leaks into the subsurface due to improper installation of the probe. No n-pentane, n-hexane, or n-heptane was found in any of the samples reported herein. The sampling rate was approximately 200 cc/min, except when noted differently on the chain of custody record, using a glass gas-tight syringe. Purging was completed using a pump set at approximately 200 cc/min, except when noted differently on the chain of custody record. A default of 3 purge volumes was used as recommended by July 2015 DTSC/RWQCB guidance documents. Prior to purging and sampling of soil gas at each point, a shut -in test was conducted to check for leaks in the above ground fittings. The shut-in test was performed on the above ground apparatus by evacuating the line to a vacuum of 100 inches of water, sealing the entire system and watching the vacuum for at least one minute. A vacuum gauge attached in parallel to the apparatus measured the vacuum. If there was any observable loss of vacuum, the fittings were adjusted as needed until the vacuum did not change noticeably. The soil gas sample was then taken. No flow conditions occur when a sampling rate greater than 10 mL/min cannot be maintained without applying a vacuum greater than 100 inches of water to the sampling train. The sampling train is left at a vacuum for no less than three minutes. If the vacuum does not subside appreciably after three minutes, the sample location is determined to be a no flow sample. Analytical – Soil Gas samples were analyzed using EPA Method 8260 that incl udes extra compounds required by DTSC/RWQCB (such as Freon 113). Instrument Continuing Calibration Verification, QC Reference Standards, Instrument Blanks and Sampling Blanks were analyzed every 12 hours as prescribed by the method. In addition, a Laboratory Control Sample (LCS) and Laboratory Control Sample Duplicate (LCSD) were analyzed with each batch of Soil Gas samples. A duplicate/replicate sample was analyzed each day of the sampling activity. All samples were injected into the GC/MS system within 30 minutes of sampling. Approval: ________________________ Steve Jones, Ph.D. Laboratory Manager JONES ENVIRONMENTAL LABORATORY RESULTS Client: Stantec, Inc. Report date: 2/22/2017 Client Address: 25864-F Business Center Drive JEL Ref. No.: ST-10230 Redlands, CA 92374 Attn: Kyle Emerson Date Sampled: 2/22/2017 Date Received: 2/22/2017 Date Analyzed: 2/22/2017 Project Address: 15 Las Tunas Dr. Physical State: Soil Gas Arcadia, CA 1 of 10 Client: Report date:2/22/2017 Client Address:JEL Ref. No.:ST-10230 Attn:Kyle Emerson Date Sampled:2/22/2017 Date Received:2/22/2017 Date Analyzed:2/22/2017 Project Address:15 Las Tunas Dr.Physical State:Soil Gas Arcadia, CA Sample ID:SV7-5'SV7-5' REP SV8-5'SV8-10 SV9-5' JEL ID:ST-10230-01 ST-10230-02 ST-10230-04 ST-10230-05 ST-10230-06 Analytes: Benzene ND ND ND ND ND 0.008 μg/L Bromobenzene ND ND ND ND ND 0.008 μg/L Bromodichloromethane ND ND ND ND ND 0.008 μg/L Bromoform ND ND ND ND ND 0.008 μg/L n-Butylbenzene ND ND ND ND ND 0.008 μg/L sec-Butylbenzene ND ND ND ND ND 0.008 μg/L tert-Butylbenzene ND ND ND ND ND 0.008 μg/L Carbon tetrachloride ND ND ND ND ND 0.008 μg/L Chlorobenzene ND ND ND ND ND 0.008 μg/L Chloroform ND ND ND ND ND 0.008 μg/L 2-Chlorotoluene ND ND ND ND ND 0.008 μg/L 4-Chlorotoluene ND ND ND ND ND 0.008 μg/L Dibromochloromethane ND ND ND ND ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND ND ND ND ND 0.008 μg/L 1,2-Dibromoethane (EDB) ND ND ND ND ND 0.008 μg/L Dibromomethane ND ND ND ND ND 0.008 μg/L 1,2- Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,3-Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,4-Dichlorobenzene ND ND ND ND ND 0.008 μg/L Dichlorodifluoromethane 0.024 0.024 0.010 0.011 ND 0.008 μg/L 1,1-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,2-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,1-Dichloroethene ND ND ND ND ND 0.008 μg/L cis-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L trans-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L 1,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,3-Dichloropropane ND ND ND ND ND 0.008 μg/L 2,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,1-Dichloropropene ND ND ND ND ND 0.008 μg/L Practical Quantitation Limit EPA 8260B – Volatile Organics by GC/MS + Oxygenates Units JONES ENVIRONMENTAL LABORATORY RESULTS Stantec, Inc. 25864-F Business Center Drive Redlands, CA 92374 2 of 10 Sample ID:SV7-5'SV7-5' REP SV8-5'SV8-10 SV9-5' JEL ID:ST-10230-01 ST-10230-02 ST-10230-04 ST-10230-05 ST-10230-06 Analytes: cis-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L trans-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L Ethylbenzene ND ND ND ND ND 0.008 μg/L Freon 113 ND ND ND ND ND 0.040 μg/L Hexachlorobutadiene ND ND ND ND ND 0.008 μg/L Isopropylbenzene ND ND ND ND ND 0.008 μg/L 4-Isopropyltoluene ND ND ND ND ND 0.008 μg/L Methylene chloride ND ND ND ND ND 0.008 μg/L Naphthalene ND ND ND ND ND 0.040 μg/L n-Propylbenzene ND ND ND ND ND 0.008 μg/L Styrene ND ND ND ND ND 0.008 μg/L 1,1,1,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L Tetrachloroethylene 2.85 2.80 0.453 0.506 0.087 0.008 μg/L Toluene ND ND ND ND ND 0.008 μg/L 1,2,3-Trichlorobenzene ND ND ND ND ND 0.040 μg/L 1,2,4-Trichlorobenzene ND ND ND ND ND 0.008 μg/L 1,1,1-Trichloroethane ND ND ND ND ND 0.008 μg/L 1,1,2-Trichloroethane ND ND ND ND ND 0.008 μg/L Trichloroethylene ND ND ND ND ND 0.008 μg/L Trichlorofluoromethane ND ND ND ND ND 0.008 μg/L 1,2,3-Trichloropropane ND ND ND ND ND 0.008 μg/L 1,2,4-Trimethylbenzene ND ND ND ND ND 0.008 μg/L 1,3,5-Trimethylbenzene ND ND ND ND ND 0.008 μg/L Vinyl chloride ND ND ND ND ND 0.008 μg/L m,p-Xylene ND ND ND ND ND 0.008 μg/L o-Xylene ND ND ND ND ND 0.008 μg/L MTBE ND ND ND ND ND 0.040 μg/L Ethyl-tert-butylether ND ND ND ND ND 0.040 μg/L Di-isopropylether ND ND ND ND ND 0.040 μg/L tert-amylmethylether ND ND ND ND ND 0.040 μg/L tert-Butylalcohol ND ND ND ND ND 0.400 μg/L TIC: n-pentane ND ND ND ND ND 0.400 μg/L n-heptane ND ND ND ND ND 0.400 μg/L n-hexane ND ND ND ND ND 0.400 μg/L Dilution Factor 1 1 1 1 1 Surrogate Recoveries: Dibromofluoromethane 105%108%104%108%105% Toluene-d₈107%105%105%108%105% 4-Bromofluorobenzene 120%118%119%122%117% VOC3-022217- CHECKS VOC3-022217- CHECKS VOC3-022217- CHECKS VOC3-022217- CHECKS VOC3-022217- CHECKS ND= Not Detected QC Limits EPA 8260B – Volatile Organics by GC/MS + Oxygenates JONES ENVIRONMENTAL LABORATORY RESULTS 60 - 140 60 - 140 Practical Quantitation Limit Units 60 - 140 3 of 10 Client: Report date:2/22/2017 Client Address:JEL Ref. No.:ST-10230 Attn:Date Sampled:2/22/2017 Date Received:2/22/2017 Date Analyzed:2/22/2017 Project Address:Physical State:Soil Gas Sample ID:SV9-10'SV10-5'SV10-10'SV11-5'SV11-10' JEL ID:ST-10230-07 ST-10230-08 ST-10230-09 ST-10230-10 ST-10230-11 Analytes: Benzene ND ND ND ND ND 0.008 μg/L Bromobenzene ND ND ND ND ND 0.008 μg/L Bromodichloromethane ND ND ND ND ND 0.008 μg/L Bromoform ND ND ND ND ND 0.008 μg/L n-Butylbenzene ND ND ND ND ND 0.008 μg/L sec-Butylbenzene ND ND ND ND ND 0.008 μg/L tert-Butylbenzene ND ND ND ND ND 0.008 μg/L Carbon tetrachloride ND ND ND ND ND 0.008 μg/L Chlorobenzene ND ND ND ND ND 0.008 μg/L Chloroform ND ND ND ND ND 0.008 μg/L 2-Chlorotoluene ND ND ND ND ND 0.008 μg/L 4-Chlorotoluene ND ND ND ND ND 0.008 μg/L Dibromochloromethane ND ND ND ND ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND ND ND ND ND 0.008 μg/L 1,2-Dibromoethane (EDB) ND ND ND ND ND 0.008 μg/L Dibromomethane ND ND ND ND ND 0.008 μg/L 1,2- Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,3-Dichlorobenzene ND ND ND ND ND 0.008 μg/L 1,4-Dichlorobenzene ND ND ND ND ND 0.008 μg/L Dichlorodifluoromethane ND 0.009 0.010 ND ND 0.008 μg/L 1,1-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,2-Dichloroethane ND ND ND ND ND 0.008 μg/L 1,1-Dichloroethene ND ND ND ND ND 0.008 μg/L cis-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L trans-1,2-Dichloroethene ND ND ND ND ND 0.008 μg/L 1,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,3-Dichloropropane ND ND ND ND ND 0.008 μg/L 2,2-Dichloropropane ND ND ND ND ND 0.008 μg/L 1,1-Dichloropropene ND ND ND ND ND 0.008 μg/L JONES ENVIRONMENTAL LABORATORY RESULTS Stantec, Inc. 25864-F Business Center Drive Redlands, CA 92374 Kyle Emerson 15 Las Tunas Dr. Arcadia, CA EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units 4 of 10 Sample ID:SV9-10'SV10-5'SV10-10'SV11-5'SV11-10' JEL ID:ST-10230-07 ST-10230-08 ST-10230-09 ST-10230-10 ST-10230-11 Analytes: cis-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L trans-1,3-Dichloropropene ND ND ND ND ND 0.008 μg/L Ethylbenzene ND ND ND ND ND 0.008 μg/L Freon 113 ND ND ND ND ND 0.040 μg/L Hexachlorobutadiene ND ND ND ND ND 0.008 μg/L Isopropylbenzene ND ND ND ND ND 0.008 μg/L 4-Isopropyltoluene ND ND ND ND ND 0.008 μg/L Methylene chloride ND ND ND ND ND 0.008 μg/L Naphthalene ND ND ND ND ND 0.040 μg/L n-Propylbenzene ND ND ND ND ND 0.008 μg/L Styrene ND ND ND ND ND 0.008 μg/L 1,1,1,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND ND ND ND ND 0.008 μg/L Tetrachloroethylene 0.041 1.70 2.37 0.751 1.13 0.008 μg/L Toluene ND ND ND ND ND 0.008 μg/L 1,2,3-Trichlorobenzene ND ND ND ND ND 0.040 μg/L 1,2,4-Trichlorobenzene ND ND ND ND ND 0.008 μg/L 1,1,1-Trichloroethane ND ND ND ND ND 0.008 μg/L 1,1,2-Trichloroethane ND ND ND ND ND 0.008 μg/L Trichloroethylene ND ND ND ND ND 0.008 μg/L Trichlorofluoromethane ND ND ND ND ND 0.008 μg/L 1,2,3-Trichloropropane ND ND ND ND ND 0.008 μg/L 1,2,4-Trimethylbenzene ND ND ND ND ND 0.008 μg/L 1,3,5-Trimethylbenzene ND ND ND ND ND 0.008 μg/L Vinyl chloride ND ND ND ND ND 0.008 μg/L m,p-Xylene ND ND ND ND ND 0.008 μg/L o-Xylene ND ND ND ND ND 0.008 μg/L MTBE ND ND ND ND ND 0.040 μg/L Ethyl-tert-butylether ND ND ND ND ND 0.040 μg/L Di-isopropylether ND ND ND ND ND 0.040 μg/L tert-amylmethylether ND ND ND ND ND 0.040 μg/L tert-Butylalcohol ND ND ND ND ND 0.400 μg/L TIC: n-pentane ND ND ND ND ND 0.400 μg/L n-heptane ND ND ND ND ND 0.400 μg/L n-hexane ND ND ND ND ND 0.400 μg/L Dilution Factor 1 1 1 1 1 Surrogate Recoveries: Dibromofluoromethane 106%108%106%106%108% Toluene-d₈106%107%106%108%108% 4-Bromofluorobenzene 121%120%122%118%119% VOC3-022217- CHECKS VOC3-022217- CHECKS VOC3-022217- CHECKS VOC3-022217- CHECKS VOC3-022217- CHECKS ND= Not Detected QC Limits 60 - 140 60 - 140 60 - 140 JONES ENVIRONMENTAL LABORATORY RESULTS EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units 5 of 10 Client: Report date:2/22/2017 Client Address:JEL Ref. No.:ST-10230 Attn:Date Sampled:2/22/2017 Date Received:2/22/2017 Date Analyzed:2/22/2017 Project Address:Physical State:Soil Gas Sample ID:METHOD BLANK SAMPLING BLANK JEL ID:022217- VOC3MB1 022217- VOC3SB1 Analytes: Benzene ND ND 0.008 μg/L Bromobenzene ND ND 0.008 μg/L Bromodichloromethane ND ND 0.008 μg/L Bromoform ND ND 0.008 μg/L n-Butylbenzene ND ND 0.008 μg/L sec-Butylbenzene ND ND 0.008 μg/L tert-Butylbenzene ND ND 0.008 μg/L Carbon tetrachloride ND ND 0.008 μg/L Chlorobenzene ND ND 0.008 μg/L Chloroform ND ND 0.008 μg/L 2-Chlorotoluene ND ND 0.008 μg/L 4-Chlorotoluene ND ND 0.008 μg/L Dibromochloromethane ND ND 0.008 μg/L 1,2-Dibromo-3-chloropropane ND ND 0.008 μg/L 1,2-Dibromoethane (EDB) ND ND 0.008 μg/L Dibromomethane ND ND 0.008 μg/L 1,2- Dichlorobenzene ND ND 0.008 μg/L 1,3-Dichlorobenzene ND ND 0.008 μg/L 1,4-Dichlorobenzene ND ND 0.008 μg/L Dichlorodifluoromethane ND ND 0.008 μg/L 1,1-Dichloroethane ND ND 0.008 μg/L 1,2-Dichloroethane ND ND 0.008 μg/L 1,1-Dichloroethene ND ND 0.008 μg/L cis-1,2-Dichloroethene ND ND 0.008 μg/L trans-1,2-Dichloroethene ND ND 0.008 μg/L 1,2-Dichloropropane ND ND 0.008 μg/L 1,3-Dichloropropane ND ND 0.008 μg/L 2,2-Dichloropropane ND ND 0.008 μg/L 1,1-Dichloropropene ND ND 0.008 μg/L Units 15 Las Tunas Dr. Arcadia, CA EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit JONES ENVIRONMENTAL QUALITY CONTROL INFORMATION Stantec, Inc. 25864-F Business Center Drive Redlands, CA 92374 Kyle Emerson 6 of 10 Sample ID:METHOD BLANK SAMPLING BLANK JEL ID:022217- VOC3MB1 022217- VOC3SB1 Analytes: cis-1,3-Dichloropropene ND ND 0.008 μg/L trans-1,3-Dichloropropene ND ND 0.008 μg/L Ethylbenzene ND ND 0.008 μg/L Freon 113 ND ND 0.040 μg/L Hexachlorobutadiene ND ND 0.008 μg/L Isopropylbenzene ND ND 0.008 μg/L 4-Isopropyltoluene ND ND 0.008 μg/L Methylene chloride ND ND 0.008 μg/L Naphthalene ND ND 0.040 μg/L n-Propylbenzene ND ND 0.008 μg/L Styrene ND ND 0.008 μg/L 1,1,1,2-Tetrachloroethane ND ND 0.008 μg/L 1,1,2,2-Tetrachloroethane ND ND 0.008 μg/L Tetrachloroethylene ND ND 0.008 μg/L Toluene ND ND 0.008 μg/L 1,2,3-Trichlorobenzene ND ND 0.040 μg/L 1,2,4-Trichlorobenzene ND ND 0.008 μg/L 1,1,1-Trichloroethane ND ND 0.008 μg/L 1,1,2-Trichloroethane ND ND 0.008 μg/L Trichloroethylene ND ND 0.008 μg/L Trichlorofluoromethane ND ND 0.008 μg/L 1,2,3-Trichloropropane ND ND 0.008 μg/L 1,2,4-Trimethylbenzene ND ND 0.008 μg/L 1,3,5-Trimethylbenzene ND ND 0.008 μg/L Vinyl chloride ND ND 0.008 μg/L m,p-Xylene ND ND 0.008 μg/L o-Xylene ND ND 0.008 μg/L MTBE ND ND 0.040 μg/L Ethyl-tert-butylether ND ND 0.040 μg/L Di-isopropylether ND ND 0.040 μg/L tert-amylmethylether ND ND 0.040 μg/L tert-Butylalcohol ND ND 0.400 μg/L TIC: n-pentane ND ND 0.400 μg/L n-heptane ND ND 0.400 μg/L n-hexane ND ND 0.400 μg/L Dilution Factor 1 1 Surrogate Recoveries: Dibromofluoromethane 109%105% Toluene-d₈106%103% 4-Bromofluorobenzene 120%116% VOC3-022217- CHECKS VOC3-022217- CHECKS ND= Not Detected 60 - 140 JONES ENVIRONMENTAL QUALITY CONTROL INFORMATION 60 - 140 60 - 140 EPA 8260B – Volatile Organics by GC/MS + Oxygenates Practical Quantitation Limit Units QC Limits 7 of 10 Client: 2/22/2017 Client Address:ST-10230 Attn:2/22/2017 2/22/2017 2/22/2017 Project Address:Soil Gas Batch ID: JEL ID:022217-V3CCV1 Parameter RPD Acceptability Range (%)CCV Acceptability Range (%) Vinyl Chloride 6.0%70 - 130 120%80 - 120 1,1-Dichloroethylene 2.0%70 - 130 110%80 - 120 Cis-1,2-Dichloroethene 1.2%70 - 130 81%80 - 120 1,1,1-Trichloroethane 1.9%70 - 130 110%80 - 120 Benzene 0.2%70 - 130 107%80 - 120 Trichloroethylene 2.8%70 - 130 101%80 - 120 Toluene 2.0%70 - 130 114%80 - 120 Tetrachloroethene 4.0%70 - 130 110%80 - 120 Chlorobenzene 3.6%70 - 130 103%80 - 120 Ethylbenzene 5.7%70 - 130 115%80 - 120 1,2,4 Trimethylbenzene 3.5%70 - 130 113%80 - 120 Surrogate Recovery: Dibromofluoromethane 60 - 140 86%60 - 140 Toluene-d₈60 - 140 98%60 - 140 4-Bromofluorobenzene 60 - 140 101%60 - 140 CCV = Continuing Calibration Verification 95% 78% 117% 117%120% 113% 92% 76% 107%104% JEL Ref. No.: Redlands, CA 92374 Physical State: VOC3-022217-CHECKS LCS Recovery (%) LCSD Recovery (%) 98% 95% 117% Stantec, Inc. Report date: 25864-F Business Center Drive Kyle Emerson JONES ENVIRONMENTAL QUALITY CONTROL INFORMATION EPA 8260B – Volatile Organics by GC/MS + Oxygenates 022217-V3LCS1 022217-V3LCSD1 98% LCSD = Laboratory Control Sample Duplicate RPD = Relative Percent Difference; Acceptability range for RPD is ≤ 15% LCS = Laboratory Control Sample 96% 118% 103% 100% 103% Date Sampled: Arcadia, CA Date Received: Date Analyzed: 15 Las Tunas Dr. 111%107% 121%115% 89% 111% 110%108% 110% 8 of 10 9 of 10 10 of 10 Stantec - Redlands Redlands, CA 92374 25864-F Business Center Drive Mr. Kyle Emerson Enclosed is the analytical report for the above referenced project. The data herein applies to samples as received by H&P Mobile Geochemistry, Inc. on 02-Mar-17 which were analyzed in accordance with the attached Chain of Custody record(s). The results for all sample analyses and required QA/QC analyses are presented in the following sections and summarized in the documents: •Sample Summary •Case Narrative (if applicable) •Sample Results •Quality Control Summary •Notes and Definitions / Appendix •Chain of Custody •Sampling Logs (if applicable) Unless otherwise noted, I certify that all analyses were performed and reviewed in compliance with our Quality Systems Manual and Standard Operating Procedures. This report shall not be reproduced, except in full, without the written approval of H &P Mobile Geochemistry, Inc. We at H&P Mobile Geochemistry, Inc. sincerely appreciate the opportunity to provide analytical services to you on this project. If you have any questions or concerns regarding this analytical report, please contact me at your convenience at 760-804-9678. Sincerely, 03 March 2017 Janis La Roux Laboratory Director H&P Mobile Geochemistry, Inc. is certified under the California ELAP, the National Environmental Laboratory Accreditation Conference (NELAC) and the Department of Defense Accreditation Programs. Client Project: 185803849 / Arcadia H&P Project: ST030217-12 Dear Mr. Kyle Emerson: P 1.800.834.9888 / 760.804.9678 F 760.804.9159 W handpmg.com 2470 Impala Drive, Carlsbad, CA 92010 & Field Office - Signal Hill, CAQuality. Accuracy. Experience. Geochemistry Inc. Mobile Page 1 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Sample ID Laboratory ID Matrix Date Sampled ANALYTICAL REPORT FOR SAMPLES Date Received SV-12 E703010-01 Vapor 01-Mar-17 02-Mar-17 SV-13 E703010-02 Vapor 01-Mar-17 02-Mar-17 Page 2 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. DETECTIONS SUMMARY Sample ID:Laboratory ID: Analyte Result Limit Units Method E703010-01SV-12 Notes Reporting Toluene 12 7.6 ug/m3 EPA TO-15 Tetrachloroethene 3000 14 ug/m3 EPA TO-15 Sample ID:Laboratory ID: Analyte Result Limit Units Method E703010-02SV-13 Notes Reporting Toluene 12 7.6 ug/m3 EPA TO-15 Tetrachloroethene 4100 14 ug/m3 EPA TO-15 Page 3 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Volatile Organic Compounds by EPA TO-15 H&P Mobile Geochemistry, Inc. Result Analyte Limit Reporting Units Dilution Batch Prepared Analyzed Method Notes Factor SV-12 (E703010-01) Vapor Sampled: 01-Mar-17 Received: 02-Mar-17 EPA TO-1503-Mar-17 03-Mar-17ug/m3 EC7030521,1-Difluoroethane (LCC)11ND """"""Dichlorodifluoromethane (F12)10ND """"""Chloromethane 4.1ND """"""Dichlorotetrafluoroethane (F114)14ND """"""Vinyl chloride 5.2ND """"""Bromomethane 32ND """"""Chloroethane 16ND """"""Trichlorofluoromethane (F11)11ND """"""1,1-Dichloroethene 8.0ND """"""1,1,2-Trichlorotrifluoroethane (F113)15ND """"""Methylene chloride (Dichloromethane)7.1ND """"""Carbon disulfide 13ND """"""trans-1,2-Dichloroethene 16ND """"""1,1-Dichloroethane 8.2ND """"""2-Butanone (MEK)60ND """"""cis-1,2-Dichloroethene 8.0ND """"""Chloroform 9.9ND """"""1,1,1-Trichloroethane 11ND """"""1,2-Dichloroethane (EDC)8.2ND """"""Benzene 6.5ND """"""Carbon tetrachloride 13ND """"""Trichloroethene 11ND """"""1,2-Dichloropropane 19ND """"""Bromodichloromethane 14ND """"""cis-1,3-Dichloropropene 9.2ND """"""4-Methyl-2-pentanone (MIBK)17ND """"""trans-1,3-Dichloropropene 9.2ND """""Toluene "7.612 """"""1,1,2-Trichloroethane 11ND """"""2-Hexanone (MBK)17ND """"""Dibromochloromethane 17ND """""Tetrachloroethene "143000 """"""1,2-Dibromoethane (EDB)16ND """"""1,1,1,2-Tetrachloroethane 14ND """"""Chlorobenzene 9.4ND """"""Ethylbenzene 8.8ND """"""m,p-Xylene 18ND """"""Styrene 8.6ND Page 4 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Volatile Organic Compounds by EPA TO-15 H&P Mobile Geochemistry, Inc. Result Analyte Limit Reporting Units Dilution Batch Prepared Analyzed Method Notes Factor SV-12 (E703010-01) Vapor Sampled: 01-Mar-17 Received: 02-Mar-17 EPA TO-1503-Mar-17 03-Mar-17ug/m3 EC703052o-Xylene 8.8ND """"""Bromoform 21ND """"""1,1,2,2-Tetrachloroethane 14ND """"""4-Ethyltoluene 10ND """"""1,3,5-Trimethylbenzene 10ND """"""1,2,4-Trimethylbenzene 10ND """"""1,3-Dichlorobenzene 24ND """"""1,4-Dichlorobenzene 24ND """"""1,2-Dichlorobenzene 24ND """"""1,2,4-Trichlorobenzene 75ND """"""Hexachlorobutadiene 110ND """"97.7 %76-134Surrogate: 1,2-Dichloroethane-d4 """"98.6 %78-125Surrogate: Toluene-d8 """"90.2 %77-127Surrogate: 4-Bromofluorobenzene SV-13 (E703010-02) Vapor Sampled: 01-Mar-17 Received: 02-Mar-17 EPA TO-1503-Mar-17 03-Mar-17ug/m3 EC7030521,1-Difluoroethane (LCC)11ND """"""Dichlorodifluoromethane (F12)10ND """"""Chloromethane 4.1ND """"""Dichlorotetrafluoroethane (F114)14ND """"""Vinyl chloride 5.2ND """"""Bromomethane 32ND """"""Chloroethane 16ND """"""Trichlorofluoromethane (F11)11ND """"""1,1-Dichloroethene 8.0ND """"""1,1,2-Trichlorotrifluoroethane (F113)15ND """"""Methylene chloride (Dichloromethane)7.1ND """"""Carbon disulfide 13ND """"""trans-1,2-Dichloroethene 16ND """"""1,1-Dichloroethane 8.2ND """"""2-Butanone (MEK)60ND """"""cis-1,2-Dichloroethene 8.0ND """"""Chloroform 9.9ND """"""1,1,1-Trichloroethane 11ND """"""1,2-Dichloroethane (EDC)8.2ND """"""Benzene 6.5ND """"""Carbon tetrachloride 13ND Page 5 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Volatile Organic Compounds by EPA TO-15 H&P Mobile Geochemistry, Inc. Result Analyte Limit Reporting Units Dilution Batch Prepared Analyzed Method Notes Factor SV-13 (E703010-02) Vapor Sampled: 01-Mar-17 Received: 02-Mar-17 EPA TO-1503-Mar-17 03-Mar-17ug/m3 EC703052Trichloroethene11ND """"""1,2-Dichloropropane 19ND """"""Bromodichloromethane 14ND """"""cis-1,3-Dichloropropene 9.2ND """"""4-Methyl-2-pentanone (MIBK)17ND """"""trans-1,3-Dichloropropene 9.2ND """""Toluene "7.612 """"""1,1,2-Trichloroethane 11ND """"""2-Hexanone (MBK)17ND """"""Dibromochloromethane 17ND """""Tetrachloroethene "144100 """"""1,2-Dibromoethane (EDB)16ND """"""1,1,1,2-Tetrachloroethane 14ND """"""Chlorobenzene 9.4ND """"""Ethylbenzene 8.8ND """"""m,p-Xylene 18ND """"""Styrene 8.6ND """"""o-Xylene 8.8ND """"""Bromoform 21ND """"""1,1,2,2-Tetrachloroethane 14ND """"""4-Ethyltoluene 10ND """"""1,3,5-Trimethylbenzene 10ND """"""1,2,4-Trimethylbenzene 10ND """"""1,3-Dichlorobenzene 24ND """"""1,4-Dichlorobenzene 24ND """"""1,2-Dichlorobenzene 24ND """"""1,2,4-Trichlorobenzene 75ND """"""Hexachlorobutadiene 110ND """"96.4 %76-134Surrogate: 1,2-Dichloroethane-d4 """"99.8 %78-125Surrogate: Toluene-d8 """"88.4 %77-127Surrogate: 4-Bromofluorobenzene Page 6 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Result Limit Reporting Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Notes Analyte Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc. Batch EC70305 - TO-15 Blank (EC70305-BLK1)Prepared & Analyzed: 03-Mar-17 1,1-Difluoroethane (LCC)ug/m35.5ND Dichlorodifluoromethane (F12)"5.0ND Chloromethane "2.1ND Dichlorotetrafluoroethane (F114)"7.1ND Vinyl chloride "2.6ND Bromomethane "16ND Chloroethane "8.0ND Trichlorofluoromethane (F11)"5.6ND 1,1-Dichloroethene "4.0ND 1,1,2-Trichlorotrifluoroethane (F113)"7.7ND Methylene chloride (Dichloromethane)"3.5ND Carbon disulfide "6.3ND trans-1,2-Dichloroethene "8.0ND 1,1-Dichloroethane "4.1ND 2-Butanone (MEK)"30ND cis-1,2-Dichloroethene "4.0ND Chloroform "4.9ND 1,1,1-Trichloroethane "5.5ND 1,2-Dichloroethane (EDC)"4.1ND Benzene "3.2ND Carbon tetrachloride "6.4ND Trichloroethene "5.5ND 1,2-Dichloropropane "9.4ND Bromodichloromethane "6.8ND cis-1,3-Dichloropropene "4.6ND 4-Methyl-2-pentanone (MIBK)"8.3ND trans-1,3-Dichloropropene "4.6ND Toluene "3.8ND 1,1,2-Trichloroethane "5.5ND 2-Hexanone (MBK)"8.3ND Dibromochloromethane "8.6ND Tetrachloroethene "6.9ND 1,2-Dibromoethane (EDB)"7.8ND 1,1,1,2-Tetrachloroethane "7.0ND Page 7 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Result Limit Reporting Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Notes Analyte Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc. Batch EC70305 - TO-15 Blank (EC70305-BLK1)Prepared & Analyzed: 03-Mar-17 Chlorobenzene ug/m34.7ND Ethylbenzene "4.4ND m,p-Xylene "8.8ND Styrene "4.3ND o-Xylene "4.4ND Bromoform "10ND 1,1,2,2-Tetrachloroethane "7.0ND 4-Ethyltoluene "5.0ND 1,3,5-Trimethylbenzene "5.0ND 1,2,4-Trimethylbenzene "5.0ND 1,3-Dichlorobenzene "12ND 1,4-Dichlorobenzene "12ND 1,2-Dichlorobenzene "12ND 1,2,4-Trichlorobenzene "38ND Hexachlorobutadiene "54ND "42.9 76-134Surrogate: 1,2-Dichloroethane-d4 93.740.2 "41.4 78-125Surrogate: Toluene-d8 99.641.2 "72.9 77-127Surrogate: 4-Bromofluorobenzene 89.265.0 LCS (EC70305-BS1)Prepared & Analyzed: 03-Mar-17 Dichlorodifluoromethane (F12)ug/m3 101 59-12897.75.098 Vinyl chloride "52.0 64-12797.82.651 Chloroethane "53.6 63-12799.38.053 Trichlorofluoromethane (F11)"113 62-12688.65.6100 1,1-Dichloroethene "80.8 61-13398.34.079 1,1,2-Trichlorotrifluoroethane (F113)"155 66-12695.17.7150 Methylene chloride (Dichloromethane)"70.8 62-11594.73.567 trans-1,2-Dichloroethene "80.8 67-12489.98.073 1,1-Dichloroethane "82.4 68-12695.54.179 cis-1,2-Dichloroethene "80.0 70-12194.84.076 Chloroform "99.2 68-12393.24.992 1,1,1-Trichloroethane "111 68-12596.45.5110 1,2-Dichloroethane (EDC)"82.4 65-12892.84.176 Page 8 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Result Limit Reporting Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Notes Analyte Volatile Organic Compounds by EPA TO-15 - Quality Control H&P Mobile Geochemistry, Inc. Batch EC70305 - TO-15 LCS (EC70305-BS1)Prepared & Analyzed: 03-Mar-17 Benzene ug/m3 64.8 69-11997.03.263 Carbon tetrachloride "128 68-13297.06.4120 Trichloroethene "110 71-12396.55.5110 Toluene "76.8 66-11989.03.868 1,1,2-Trichloroethane "111 73-11994.05.5100 Tetrachloroethene "138 66-12490.16.9120 1,1,1,2-Tetrachloroethane "140 67-12992.07.0130 Ethylbenzene "88.4 70-1241074.495 m,p-Xylene "88.4 61-1341088.896 o-Xylene "88.4 67-1251074.494 1,1,2,2-Tetrachloroethane "140 65-12799.37.0140 "42.9 76-134Surrogate: 1,2-Dichloroethane-d4 10645.2 "41.4 78-125Surrogate: Toluene-d8 98.840.9 "72.9 77-127Surrogate: 4-Bromofluorobenzene 95.369.5 Page 9 of 10 Project: Project Number: Project Manager: Reported: Stantec - Redlands 25864-F Business Center Drive ST030217-12 185803849 / Arcadia Mr. Kyle EmersonRedlands, CA 92374 03-Mar-17 13:25 2470 Impala Drive Carlsbad, CA 92010 760-804-9678 Phone 760-804-9159 Fax H&P Mobile Geochemistry Inc. Notes and Definitions Percent Recovery Relative Percent DifferenceRPD %REC Method Detection LimitMDL Analyte NOT DETECTED at or above the reporting limitND Leak Check CompoundLCC Appendix H&P Mobile Geochemistry, Inc. is approved as an Environmental Testing Laboratory and Mobile Laboratory in accordance with the DoD -ELAP and the ISO 17025 programs, certification number L15-279-R1 H&P is approved by the State of Arizona as an Environmental Testing Laboratory and Mobile Laboratory , certification numbers AZM758 and AZ0779. H&P is approved by the State of California as an Environmental Laboratory and Mobile Laboratory in conformance with the Environmental Laboratory Accreditation Program (ELAP) for the category of Volatile and Semi -Volatile Organic Chemistry of Hazardous Waste , certification numbers 2740, 2741, 2743, 2744, 2745, 2754 & 2930. H&P is approved by the State of Florida Department of Health under the National Environmental Laboratory Accreditation Conference (NELAC) certification number E871100. The complete list of stationary and mobile laboratory certifications along with the fields of testing (FOTs) and analyte lists are available at www.handpmg.com/about/certifications. Page 10 of 10 ‘-p Mobile Geochemistry, Inc. 2470 Impala Drive, Carlsbad, CA 92010 & Field Office - Signal Hill, CA W handpmg.com E info@handpmg.com P 760.804.9678 F 760.804.9159 VAPOR / AIR Chain of Custody DATE: 3)1 Page I of 1 Lab Client and Project Information Sample Receipt (Lab Use Only) Lab Client/Consultant: eTh... __ ,oi - ,-.5-1 CIOWeLi Project Name / #: \ 9 c-5-4-0 ,s4 GI Date Rec'd: 8 /211-7 Control #: 1 0 pi 1 •O 1 Lab Client Project Manager: Ky L.,..- t i\Aviec 0 f\\ Project Location: N ,--, .. .N. 4 ft( CAVI H&P Project # '-'1-0 3021-7-12. Lab Client Address: zs uo 4._ F. Bas I r\w‘ss criR pez . ReA)rt 141tt K\01.,tActow.AC), E-Mail(s): .., _s\--ctatc. cc.,ken ..Foverso-C.) ..;1-ciyil--e_t„„ tip 0-) Lab Work Order # E 7 0 3 01D Lab Client City, State, Zip: Aams, ock c12-3 74. Sample Intact: lyj Yes • No • See Notes Below Phone Number: ( cr 09 335 _ I 1 uo v....,, 2.111 Receipt Gauge ID: 1 i t (crl Temp: FT Reporting Requirements Turnaround Time Sampler Information Outside Lab: Standard Report q Level III q Level IV KIM 3 /1/17 q Excel EDD q Other EDD: q 5-7 day Stnd $44-Hr Rush q 3-day Rush q Mobile Lab q 48-Hr Rush q Other: Sample • \ . \ 1-k, t Receipt Notes/Tracking #: -75-7 -743 LP 5°41 Lab PM Initials: H /1/1 Signatu - q CA Geotracker Global ID: . -ID I Date. - Irl —1 I 1 Additional Instructions to Laboratory: * Preferred VOC units (please choose q p.g/L q 1.1g/m3 q ppbv one): VOCs Standard Full List q 8260SV`,;130-15 VOCs Short List / Project List q 8260SV E TO-15 Oxygenates q 8260SV 0 TO-15 Naphthalene E 8260SV E TO-15 TPHv as Gas q 8260SVm q TO-15m Aromatic/Aliphatic Fractions q 8260SVm E TO-15m Leak Check Compound 411DFA q IPA q He Methane by EPA 8015m Fixed Gases by ASTM D1945 O CO2 0 02 EI N2 I Ill ppmv FIELD POINT NAME SAMPLE NAME (if applicable) DATE mm/dd/yy TIME 24hr clock SAMPLE TYPE Indoor Air (IA), Ambient Air (AA), Subslab (SS), Soil Vapor (SV) CONTAINER SIZE & TYPE 400mUlL/6L Summa, Tedlar, Tube, etc. CONTAINER ID (###) Lab use only: Receipt Vac S. \if — 1 l" C Ci 1_161-13 C\i 40o tri$ 43(0 A S\i- \- "7,> s illi 1 " SV L400r-_--6 I -1,07 •),— `)( an y: Approved/Relinquish - Time: • - _.,.....p ttil ‘ 1 -20 Co Received byV. u444.1u44.4L 3Mit Time:g Approved/Relinquished by: Company: Date: Time: Received by: Company: Date: Time: Approved/Relinquished by: Company: Date: Time: Received by: Company: Date: Time: 'Approval constitutes as authorization to proceed with analysis and acceptance of conditions on back Appendix 6A1, Rev 5/23/2016, Effective 5/23/2016