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TABLE 2 <br /> SUMMARY OF SOIL ANALYTICAL RESULTS (PAHs) 1,2,3 <br /> US CAN-WELTY ROAD <br /> Vernalis, San Joaquin County, California <br /> Concentrations in mg/kg <br /> a Q fi y <br /> fi i a <br /> Sample <br /> p <br /> q <br /> Boring ID (feetDepth <br /> bgs) Sampled Q' "r Q Cr q~ 4 <br /> SCREENING RSL 27 4 --- 450 4 0.014 4 0.0046 4 0.047 4 --- 0.46 4 1.4 4 0.015 4 210 4 33 4 0.16 4 0.00055 4 --- 150 4 <br /> LEVELS ESL 16 5 13 5 28 5 0.38 6 0.038 6 0.38 6 27 5 0.38 6 23 5 0.062 6 60 5 8.9 5 0.62 6 1.3 6 1 1 5 85 5 <br /> SB-42 5 3/3/2009 <0.00067 <0.00033 <0.00033 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00033 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <br /> 29.5 3/3/2009 <0.00067 <0.00033 <0.00033 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 0.00046 J <0.00067 <0.00067 <0.00067 <0.00067 0.00072 J 0.0014 J <0.00067 <br /> SB-43 5 3/4/2009 <0.00067 0.00035 J 0.00068 J 0.00068 J <0.00067 <0.00067 <0.00067 <0.00067 0.00069 J <0.00067 0.0015 J 0.0010 J <0.00067 0.00097 J 0.0031 0.0014 J <br /> 29 3/5/2009 <0.00067 <0.00033 <0.00033 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00033 <0.00067 <0.00067 <0.00067 <0.00067 0.00099 J <0.00067 <0.00067 <br /> Abbreviations: Notes: <br /> bgs=Below ground surface 1. Samples were collected by SAIC and analyzed by Lancaster Laboratories,Inc.for PAHs using EPA Method 8270C with SIM. <br /> E=Estimated value based on surrogate recovery levels 2. See Appendix E.1 for data usability summary. <br /> EPA=U.S.Environmental Protection Agency 3. Results in bold exceed RSLs and/or ESLs. <br /> ESL=Environmental Screening Level 4. Risk-based screening level for protection of groundwater. <br /> ID=Identification 5. MCL-based screening level for protection of groundwater. <br /> J=Estimated concentration detected between MDL and LOQ 6. ESL Gross Contamination Ceiling Value(odors,etc.). <br /> LOQ=Limit of Quantitation <br /> MCL=Maximum Contaminant Level Sources: <br /> MDL=Method Detection Limit RSLs from EPA Regional Screening Levels(RSL)for Chemical Contaminants at Superfund Sites ,September 2008. <br /> mg/kg=Milligrams per kilogram ESLs from the San Francisco Bay RWQCB Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater (Interim Final May 2008). <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> PRG=Preliminary Remediation Goal <br /> RSL=Regional Screening Level <br /> RWQCB=Regional Water Quality Control Board <br /> SAIC=Science Applications International Corporation <br /> SIM=Selective ion monitoring <br /> <=Denotes analyte not detected at or above the laboratory reporting limit <br /> GM2/ !f! <br /> From Science[0 SWWwas <br /> Page 3 of 3 <br />