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TABLE 5 <br /> SUMMARY OF TOP SOIL ANALYTICAL RESULTS(PAHs) t,z <br /> TRACY PUMP STATION 1 <br /> Tracy,San Joaquin County,California <br /> Concentrations in m Ik <br /> AVOtt a, v <br /> 41 <br /> a c C e 4 C C v w <br /> -a ti a a 191 <br /> Sample 0 0 0 o c h p A L°' q 97a <br /> Depth Date of 4 N C'' 0 v <br /> Sample ID I (feet b s) 1 Sampled I Q I r4 <br /> SCREENING RSL 27 3 --- 450 0.014 3 0,0046 3 0.047 a --- 0.46} 1,4 a 0.015 210, 33 0.16 3 0,015 3 0.9 a 0.00055 3 - i50 a <br /> 4 4 4 5 5 5 4 S 4 < 4 4 S 5 5 4 4 <br /> LEVELS ESL 16 13 28 0.38 0.038 0,38 27 0.38 23 0.062 60 8.9 0.62 --- 0.25 1.3 11 85 <br /> TSE-I Composite 10/20/2011 0.0047 0.0053 0.0068 0.0095 0.015 0.011 0.026 0.0089 0.014 0.0076 0.011 0.0053 0.013 ! 0,0056 0.0069 0.0063 0.0085 0.015 <br /> ni <br /> TSE-2 Composite 10/20/2011 0.011 0.011 0.016 0.015 0,026 0,02.2 0.061 0.019 0.020 0.016 0.018 0.013 0.032 . 0.023 0,035 0.021 0.017 0,019 <br /> TS&3 Composite 10/20/2011 0.011 0.011 0.016 0.018 0.024 0.020 0.056 0.016 0.025 0A14 0.027 0.013 0.021 0.012 0.012 0.011 0.026 0,031 <br /> Abbreviations: Notes: <br /> bgs=below ground surface 1. Samples were collected by SAIC and analyzed by Calscience Environmental Laboratories,Inc.for PAIN using EPA Method 8270C with selective ion monitoring. <br /> EPA=United States Environmental Protection Agency 2. Results in hold exceed RSLs and/or ESLs. <br /> ESL=Environmental Screening Level 3. RSI,risk-based screening level for protection of groundwater. <br /> ID=Identification 4. ESL Groundwater Protection(Soil Leaching), <br /> mg/kg-Milligrams per kilogram 5. ESL Direct Exposure(Human Health)Residential Land Use. <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> RSL=Regional Screening Level Sources: <br /> RWQCI3=Regional Water Quality Control Board RSLs from EPA Regional Screening Levels(RSL)for Chemical Containhunits al Strperfund Sites,September 2008. <br /> SAIC=SAIC Energy,Environment&Infrastructure,LLC ESLs from the San Francisco Bay RWQCB Screeningfor Environmental Concerns al Sites with Contaminated Soil and Groundwater,Interim Final May 2008. <br /> <=Denotes analyte not detected at or above the laboratory reporting limit <br /> i <br /> 1 <br /> i <br /> i <br /> 1 <br /> s <br /> i <br /> 3 <br /> i <br /> t <br /> H <br /> t <br /> 9 <br /> i <br /> ppp� <br /> b <br /> SAIE.Page 1 of 1 <br /> y <br /> 1 <br />