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Table A. Environmental Screening Levels (ESLs) <br /> Shallow Soils (<3m bgs) <br /> Groundwater is Current or Potential Source of Drinking Water <br /> 'Shallow Soil <br /> Commercial/ <br /> 2Residential Industrial <br /> Land Use Land Use Only 3Groundwater <br /> Chemical (mg/kg) (mg/kg) (ug/L) <br /> 1,3-Dichlorobenzene 7.4E+00 7.4E+00 6.5E+01 <br /> 1,4-Dichlorobenzene 5.9E-01 5.9E-01 5.0E+00 <br /> 3,3-Dichlorobenzidine 7.7E-03 7.7E-03 2.9E-02 <br /> Dichlorodiphenyldichloroethane(DDD) 2.4E+00 1.0E+01 1.0E-03 <br /> Dichlorodiphenyldichloroethene(DDE) 1.7E+00 4.0E+00 1.0E-03 <br /> Dichlorodiphenyltrichloroethane(DDT) 1.7E+00 4.0E+00 1.0E-03 <br /> 1,1-Dichloroethane 2.0E-01 2.0E-01 5.0E+00 <br /> 1,2-Dichloroethane 4.5E-03 4.5E-03 5.0E-01 <br /> 1,1-Dichloroethene 1.0E+00 1.0E+00 6.0E+00 <br /> cis-1,2-Dichloroethene 1.9E-01 1.9E-01 6.0E+00 <br /> trans-1,2-Dichloroethene 6.7E-01 6.7E-01 1.0E+01 <br /> 2,4-Dichlorophenol 3.0E-01 3.0E-01 3.0E-01 <br /> 1,2-Dichloropropane 1.2E-01 1.2E-01 5.0E+00 <br /> 1,3-Dichloropropene 5.9E-02 5.9E-02 5.0E-01 <br /> Dieldrin 2.3E-03 2.3E-03 1.9E-03 <br /> Diethyl phthalate 3.5E-02 3.5E-02 1.5E+00 <br /> Dimethyl phthalate 3.5E-02 3.5E-02 1.5E+00 <br /> 2,4-Dimethylphenol 6.7E-01 6.7E-01 1.0E+02 <br /> 2,4-Dinitrophenol 4.2E-02 4.2E-02 1.5E+01 <br /> 2,4-Dinitrotoluene 3.9E-04 3.9E-04 5.1E-02 <br /> 1,4-Dioxane 1.8E-03 1.8E-03 3.0E+00 <br /> Dioxin(2,3,7,8-TCDD) 4.5E-06 1.8E-05 1.0E-06 <br /> Endosulfan 4.6E-03 4.6E-03 8.7E-03 <br /> Endrin 6.5E-04 6.5E-04 2.3E-03 <br /> Ethylbenzene 2.3E+00 3.3E+00 3.0E+01 <br /> Fluoranthene 4.0E+01 4.0E+01 8.0E+00 <br /> Fluorene 8.9E+00 8.9E+00 3.9E+00 <br /> Heptachlor 1.3E-02 1.3E-02 3.6E-03 <br /> Heptachlor epoxide 1.4E-02 1.4E-02 3.6E-03 <br /> Hexachlorobenzene 3.4E-01 1.3E+00 1.0E+00 <br /> Hexachlorobutadiene 2.2E+00 2.2E+00 4.5E-01 <br /> Hexachlorocyclohexane(Lindane) 9.8E-03 9.8E-03 1.6E-02 <br /> Hexachloroethane 3.0E+00 3.0E+00 9.0E-01 <br /> Indeno(1,2,3-c,d)pyrene 6.2E-01 2.1 E+00 4.8E-02 <br /> Lead 2.0E+02 7.5E+02 2.5E+00 <br /> Mercury(elemental) 1.3E+00 1.0E+01 2.5E-02 <br /> Methoxychlor 1.9E+01 1.9E+01 3.0E-03 <br /> Methylene chloride 7.7E-02 7.7E-02 5.0E+00 <br /> Methyl ethyl ketone 3.9E+00 3.9E+00 4.2E+03 <br /> Methyl isobutyl ketone 2.8E+00 2.8E+00 1.2E+02 <br /> Methyl mercury 1.2E+00 1.2E+01 3.0E-03 <br /> 2-Methylnaphthalene 2.5E-01 2.5E-01 2.1E+00 <br /> tert-Butyl methyl ether 2.3E-02 2.3E-02 5.0E+00 <br /> Molybdenum 4.0E+01 4.0E+01 3.5E+01 <br /> INTERIM FINAL-November 2007 <br /> SF Bay RWQCB Page 2 of 3 Summary Table A <br />