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TABLE 1. ENVIRONMENTAL SCREENING LEVELS (ESLs) <br /> Indoor Air and Soil Gas <br /> (Vapor Intrusion Concerns) <br /> INDOOR AIR 2SHALLOW SOIL GAS <br /> SCREENING LEVELS SCREENING LEVELS <br /> Commercial/ ommeraa <br /> 'Residential Industrial 'Residential Industrial <br /> Land Use Land Use Only Land Use Land Use Only <br /> CHEMICAL PARAMETER (ug/m3) (ug/m) (ug/m3) (ug/m) <br /> DICHLOROBENZENE, 1,3- 2.2E+01 3.1 E+01 2.2E+04 6.1 E+04 <br /> DICHLOROBENZENE, 1,4- 2.1E-01 3.6E-01 2.1 E+02 7.2E+02 <br /> DICHLOROBENZIDINE,3,3- <br /> DICHLORODIPHENYLDICHLOROETHANE(DDD) <br /> DICHLORODIPHENYLDICHLOROETHYLENE(DDE) <br /> DICHLORODIPHENYLTRICHLOROETHANE(DDT) <br /> DICHLOROETHANE, 1,1- 1.5E+00 2.5E+00 1.5E+03 5.0E+03 <br /> DICHLOROETHANE, 1,2- 1.2E-01 2.0E-01 1.2E+02 3.9E+02 <br /> DICHLOROETHYLENE, 1,1- 4.2E+01 5.8E+01 4.2E+04 1.2E+05 <br /> DICHLOROETHYLENE,Cis 1,2- 7.3E+00 1.0E+01 7.3E+03 2.0E+04 <br /> DICHLOROETHYLENE,Trans 1,2- 1.5E+01 2.0E+01 1.5E+04 4.1E+04 <br /> DICHLOROPHENOL,2,4- <br /> DICHLOROPROPANE, 1,2- 2.4E-01 4.0E-01 2.4E+02 7.9E+02 <br /> DICHLOROPROPENE, 1,3- 1.5E-01 2.6E-01 1.5E+02 5.2E+02 <br /> DIELDRIN <br /> DIETHYLPHTHALATE <br /> DIMETHYLPHTHALATE <br /> DIMETHYLPHENOL,2,4- 1.5E+01 2.0E+01 1.5E+04 4.1E+04 <br /> DINITROPHENOL,2,4- <br /> DINITROTOLUENE,2,4- <br /> 1,4 DIOXANE <br /> DIOXIN(2,3,7,8-TCDD) <br /> ENDOSULFAN <br /> ENDRIN <br /> ETHANOL 1.9E+07 3.8E+07 <br /> ETHYLBENZENE 4.2E+02 5.8E+02 4.2E+05 1.2E+06 <br /> FLUORANTHENE <br /> FLUORENE 2.9E+01 4.1E+01 2.9E+04 8.2E+04 <br /> HEPTACHLOR <br /> HEPTACHLOR EPDXIDE <br /> HEXACHLOROBENZENE <br /> HEXACHLOROBUTADIENE <br /> HEXACHLOROCYCLOHEXANE(gamma)LINDANE <br /> HEXACHLOROETHANE <br /> INDENO(1,2,3-cd)PYRENE <br /> LEAD <br /> MERCURY 1.9E-02 2.7E-02 1.9E+01 5.3E+01 <br /> METHOXYCHLOR <br /> METHYLENE CHLORIDE 2.4E+00 4.1 E+00 2.4E+03 8.2E+03 <br /> METHYL ETHYL KETONE 2.1 E+02 3.0E+02 2.1 E+05 5.9E+05 <br /> METHYL ISOBUTYL KETONE 1.7E+01 2.4E+01 1.7E+04 4.7E+04 <br /> METHYLMERCURY <br /> METHYLNAPHTHALENE(total 1-&2-) 2.9E+01 4.1E+01 2.9E+04 8.2E+04 <br /> METHYL TERT BUTYL ETHER 9.4E+00 1.6E+01 9.4E+03 3.1 E+04 <br /> Source: INTERIM FINAL <br /> -February 2005SF Bay Regional Water Quality Control Board Page 2 of 4 <br />