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Table 6 -- Soil Matrix TPH-cc Results from Groundwater Locations <br /> March 19-23,2012 <br /> EPA Method 8015B <br /> (concentrations in mg/kg=ppm) <br /> Soil Matrix C4-CIU CII-C22 C23-C35 <br /> Sample Number <br /> (Depth) <br /> GW-1(20') <10 <10 <50 <br /> GW-1(50') <10 <10 <50 <br /> GW-2(10') <I0 <10 <50 <br /> GW-2(27') <10 <10 <50 <br /> GW-3(10') <10 <10 <50 <br /> GW-3(10')dupl <10 <10 <50 <br /> GW-3(27') <10 <10 <50 <br /> GW4(10') <10 <10 <50 <br /> GW4(27') <10 <10 <50 <br /> RSIs* unl unl unl <br /> ESL** 830 830 5,000 <br /> LUFF(ppm)*** 1,000 1,000 10,000 <br /> *Regional Screening Levels(RSLs)for industrial soils, <br /> Region IX EPA,Nov.2011 <br /> **Environmental Screening Levels(ESLs)Deep Soils(>3m bgs),San Francisco <br /> Regional Water Quality Control Board,November 2007 <br /> ***State Water Resources Control Board LUFT Field Manual,1989 <br /> Table 7—Groundwater TPH-cc Results <br /> March 19-23,2012 <br /> EPA Method 8015B <br /> (concentrations in ug/L=ppb) <br /> Groundwater <br /> Sample Number C4-C10 CII-C22 C23-C35 <br /> (Depth) <br /> GNA'-1 <10 <10 <50 <br /> GW-2 <10 <10 <50 <br /> GW-3 <10 <10 <50 <br /> GW4 <10 <10 <50 <br /> MCLS(ug/L)* unl unl unl <br /> *MCL—California EPA Maximum Contaminant Level for drinking water <br />