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. Table P-4 <br />Tier 1 Evaluation for Soil <br />Pathway Exclusion Analysis <br />Former Chevron Service Station 95775 <br />301 West Kettleman Lane <br />Lodi, California <br />Abbreviations <br />mg/Kg = m aligrams Per kilogram <br />RBSL = Risk Based Screening Level for soil volatilization to indoor air <br />MtBE = Methyl tertiary butyl ether <br />TAME = Tertiary amyl methyl ether <br />EtBE = Ethyl tertiary butyl ether <br />Footnotes <br />A-0 ' From CRWQCB (2000), values are for fine-grained soils, as available <br />b RBSL values not available for these chemicals, so the value for MTBE, which is closely related, was used. <br />References. <br />California Regional Water Quality Control Board (CRWQCB) 2000 Application of Risk -Based Screening Levels and Decision <br />Making to Sites With impacted Soil and Groundwater August. <br />M1Projects%ChevronM-odPRBCAxfs�Sdl Tler 1 Page 1 of 1 4.51 PM, 5001 <br />Commercial <br />Residential <br />Cs Exceeds <br />Detected Chemical <br />Soil Concentration <br />RBSV <br />RBSV <br />RBSLII <br />(Cs, mglKg) <br />(mg/Kg) <br />(mg1Kg) <br />(Yes/No) <br />Benzene <br />01 <br />39 <br />018 <br />No <br />Toluene <br />09 <br />520 <br />310 <br />No <br />Ethyl -benzene <br />13 <br />230 <br />230 <br />No <br />Xylenes <br />79 <br />210 <br />210 <br />No <br />MTBE <br />137 <br />16 000 <br />390 <br />No <br />TAN E b <br />18 <br />16,000 <br />390 <br />No <br />EtBE b <br />87 <br />16,000 <br />390 <br />No <br />Abbreviations <br />mg/Kg = m aligrams Per kilogram <br />RBSL = Risk Based Screening Level for soil volatilization to indoor air <br />MtBE = Methyl tertiary butyl ether <br />TAME = Tertiary amyl methyl ether <br />EtBE = Ethyl tertiary butyl ether <br />Footnotes <br />A-0 ' From CRWQCB (2000), values are for fine-grained soils, as available <br />b RBSL values not available for these chemicals, so the value for MTBE, which is closely related, was used. <br />References. <br />California Regional Water Quality Control Board (CRWQCB) 2000 Application of Risk -Based Screening Levels and Decision <br />Making to Sites With impacted Soil and Groundwater August. <br />M1Projects%ChevronM-odPRBCAxfs�Sdl Tler 1 Page 1 of 1 4.51 PM, 5001 <br />