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TABLE 2 <br /> SUMMARY OF SOIL ANALYTICAL RESULTS(PAHs)1,2,3 <br /> MOUNTAIN HOUSE DEVELOPMENT SITE#6 <br /> Mountain House,San Joaquin County,California <br /> Concentrations in mg/kg <br /> 0 <br /> Sample <br /> Depth Date <br /> Boring ID (feet b s) Sampled Q q C� q� z ti zo a <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 0.015 4 0.9 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 --- 0.25 6 1.3 6 11 5 85 5 <br /> SB-44 5 11/18/09 10.00067 10.00033 10.00033 10.00067 10.00067 10.00067 10.00067 10.00067 <0.00033 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <0.00067 <br /> 22 11/18/09 <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 <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 /> D=Duplicate Sample 2. See Appendix E.1 for data usability summary. <br /> E=Estimated value based on surrogate recovery levels 3. Results in bold exceed RSLs and/or ESLs. <br /> EPA=United States Environmental Protection Agency 4. RSL risk-based screening level for protection of groundwater. <br /> ESL=Environmental Screening Level 5. ESL Groundwater Protection(Soil Leaching). <br /> ID=Identification 6. ESL Direct Exposure(Human Health)Residential Land Use. <br /> J=Estimated concentration detected between MDL and LOQ <br /> LOQ=Limit of Quantitation 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 /> NA=Not Analyzed <br /> PAHs=Polynuclear aromatic hydrocarbons <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 /> =Not available <br /> Page 4 of 4 <br />