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Table 2 <br /> Summary of Soil Analytical Results, Total Petroleum Hydrocarbons <br /> DTSC - Gordon Research Company Property, Manteca, California <br /> RV009808.0000 <br /> N CO <br /> U U v <br /> � N <br /> c U O <br /> o � o <br /> V <br /> Analyte: 0 p 2i <br /> Method: EPA 8015B EPA 8015B EPA 8015B <br /> Units: mg/Kg mg/Kg mg/Kg <br /> Sample ID Date Sampled Depth* <br /> Qality Control Summary <br /> Duplicate Samples <br /> B-20-0.5 06/23/10 0.5 <1.0 11 120 <br /> DUP3 06/24/10 -- <0.98 12 100 <br /> RPD(%) 2% 9% 18% <br /> All samples analyzed by Curtis & Tompkins. Ltd., Berkeley, California <br /> < = Not detected above laboratory reporting limit indicated. <br /> -- = Not Analyzed or Not Applicable <br /> = Depth measured in feet below ground surface <br /> mg/Kg = Milligrams per kilogram <br /> RPD = Relative Percent Difference <br /> CHHSLs = California Human Health Screening Levels, Cal-EPA(January 2005). <br /> ESLs = Environmental Screening Levels, RWQCB (May 2008). Table K-1; <br /> Direct Exposure Soil Screening Levels for Residential Exposure Scenario. <br /> RSLs = Regional Screening Levels, USEPA(May 2010). <br /> Comparison criteria applicability: primary comparison criteria are CHHSLs, if available. <br /> If CHHSLs are not available, ESLs are used. If ESLs are not available, RSLs are used <br /> to evaluate whether maximum concentration is above criteria. <br /> Concentrations in bold typeface were reported above the comparison criteria. <br /> Tables 1-9—PEA Work Plan Addend um-RV009808.x1s <br /> 4/20/2011 ARCADIS Page 2 of 2 <br />