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TABLE 2 <br /> } SUMMARY OF SOIL ANALYTICAL RESULTS(PAHs) <br /> TRACY PUMP STATION <br /> Tracy,San Joaquin County,California <br /> 'f Concentrations in mglkg <br /> [4 m <br /> q QQrA <br /> Q a <br /> V11m tr ? tr L• <br /> as ro �a 4 <br /> v R as cti °' 447 <br /> Sample �`P o 0 0 0 o y ti '�' cov q <br /> p i <br /> Ue ilt Date as ro H ro o a <br /> c a a c o a a <br /> u u a+ a c} as w C� Q� w ri 4 <br /> Boring ID (feet bs) Sampled �' �` � a} � � A? � 14 4 <br /> SB-41 7 5/25/2011 2.1 0.58 2 1.0000 0.39 0.17 0.14 <0.16 1.5 B <0.16 0.52 3.3 0.061 6.7 <0.062 0.11 2.9 2.200 <br /> i SB-41 8 5/25/2011 0.017 0.0045 0.015 0.0071 0.0027 0.0011 0.001 <0.0012 0.011 <0.0012 0.004 0.029 0.00035 0.088 <0.00049 0.0012 0.022 4.016 <br /> SB-42 9.5 5/25/2011 <0,00053 <0.00053 <0.00053 <0.00053 <0.00053 <0.0013 <0.00053 <0.0013 0.00033 J,B <0,0013 0.00038 J <0.00053 <0.0013 <0.00053 <0.00053 <0.00053 0.00058 0.0066 <br /> SB-43 9 5/25/2011 0.0015 0.00038 J 0.0025 0.0033 0.0017 0.00082 J 0.00072 <0.0013 0,0048 B <0.0013 0.0014 0.003 <0.0013 0.0036 0.0051 0.0019 0.012 0.01 <br /> SB-44 3 5/26/2011 <0.00051 <0.00051 <0.00051 <0.00051 <0.00051 <0,0013 <0.00051 <0.0013 <0.00051 <0.0013 <0.00051 0.00076 <0.0013 0.011 0.024 0.016 0.00029 J <0.00051 <br /> 4 5/26/2011 <0.010 <0.010 0.0089 J 0.0056 J 0.0092 J <0.026 0.040 <0.026 0.020 <0.026 0.0087 <0.010 <0.026 0.011 0.033 0.0098 0.023 0.012 <br /> SB-45 6 5/26/2011 0.72 <0.070 0.49 1.4 <0.070 <0.18 <0.070 <0.18 4.4 <0.18 0.64 3.1 <0.18 5.2 8.9 1.4 8.1 2,9 <br /> 9 5/26/2011 <0.00051 <0.00051 <0.00051 <0.0005I <0.00051 <0.0013 <0.00051 <0.0013 <0.00051 <0.0013 <0.00051 <0.00051 <0.0013 1 0.0011 0.0025 0.0013 <0.00051 0.0016 <br /> SB-46 5 5/26/2011 <0.00052 <0.00052 <0.00052 <0.00052 <0.00052 <0.0013 <0.00052 <0.0013 <0.00052 <0.0013 <0,00052 <0.00052 <0.0013 <0.00052 <0.00052 <0.00052 <0.00052 <0.00052 <br /> SB-47 3 5/26/2011 <0.00095 <0.00095 0.0011 0.0006 J <0.00095 <0.0024 0.0025 <0.0024 0.0015 B <0.0024 0.00087 J <0.00095 <0.0024 0.0007 J 0.0019 0.0017 0.0016 0.001 <br /> [i SB-48 5 5/26/2011 <0.00049 <0.00049 <0.00049 <0.00049 <0.00049 <0.0012 <0.00049 <0.0012 <0.00049 <0.0012 <0.00049 <0.00049 <0.0012 <0.00049 <0.00049 <0.00049 <0.00049 <0.00049 <br /> I SB-49 3 5/26/2011 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.0012 <0.00050 <0.0012 <0.00050 <0.0012 <0.00050 <0.00050 <0.0012 0.0003 J 0.00058 0.00032 J <0.00050 <0.00050 <br /> Abbreviations: Notes; <br /> g B=Analyte vas present in the associated method blank 1. Samples were collected by SAIC and analyzed by Calscience Environmental Laboratories,Inc.for PAHs using EPA Method 8270C with SIM. <br /> fr bgs-Below ground surface 2. See Appendix D for data usability summary. <br /> EPA=United States Environmental Protection Agency 3. Results in bold exceed RSLs and/or ESLs. <br /> ESL=Enviroiunental Screening Level 4. RSL risk-based screening level for protection of groundwater. <br /> ID=Identification 5. ESL Groundwater Protection(Soil Leaching). <br /> J=Estimated concentration detected between MDL and LOQ 6. ESL Direct Exposure(Human Health)Residential Land Use. <br /> i LOQ=Limit of Quantitation <br /> MDL=Method Detection Limit Sources: <br /> r mg/kg=Milligrams per kilogram RSLs from EPA Regional Screening Levels for Chemical Contaminants at Sirperfund Sites, September 2008. <br /> PAI Is=Polynuclear aromatic hydrocarbons ESLs from the San Francisco Bay RWQCB Screening fw'Environmental Concerns at Sites with Conlaminaled Soil and Groundwater (Interim Final May 2008). <br /> z <br /> RSL-Regional Screening Level <br /> RWQCB-Regional Water Quality Control Board <br /> i SAIC=SAIC Energy,Environment&Infrastructure,LLC <br /> SIM=Selective ion monitoring <br /> <=Denotes analyte not detected at or above the laboratory LOQ <br /> =Not available <br /> r <br /> i <br /> 3 <br /> i <br /> I <br /> Frani ciente to o ut nns <br /> i Page 2 of 2 <br />