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Table 4 -- Soil Matrix Samples from Boring Locations <br /> Carbon Chain Analysis EPA 8015B Results <br /> (concentrations in mg/kg=ppm) <br /> Soil Matrix C4-C10 C11-C22 C23-C35 <br /> Sample Number <br /> (Depth) ppm ppm ppm <br /> SB-101(10') <10 <10 <50 <br /> SB-102(5') <10 <10 <50 <br /> SB-102(5')dupl <10 <10 <50 <br /> SB-103(5') <10 15.6 59 <br /> SB-104(10') <10 <10 <50 <br /> SB-105(5') <10 <10 <50 <br /> SB-106(5') <10 <10 <50 <br /> SB-107(5') <10 <10 <50 <br /> SB-108(5') <10 <10 <50 <br /> SB-109(5') <10 <10 <50 <br /> SB-110(5') <10 <10 <50 <br /> SB-111(5') <10 <10 <50 <br /> SB-112(10') <10 20,600 48,200 <br /> SB-113(5') <10 <10 <50 <br /> SB-114(5') <10 <10 <50 <br /> SB-115(10') <10 <10 <50 <br /> SB-116(5') <10 <10 <50 <br /> SB-117(5') <10 <10 <50 <br /> SB-118(5) <10 <10 <50 <br /> SB-119(8') <10 <10 <50 <br /> SB-120(10') <10 <10 <50 <br /> RSLs* unl unl unl <br /> ESL** 830 830 5,000 <br /> LUFT(ppm)*** 1,000 1,000 10,000 <br /> *Regional Screening Levels(RSLs)for industrial soils, <br /> Region IX EPA,Nov.2011 <br /> **Environmental Screen 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 /> Limited Phase II Environmental Site Assessment Report Pinnacle Environmental,Inc. <br /> 248 Industrial Avenue,Stockton,CA 95206 Page 20 <br />