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TABLE E-1a GROUNDWATER SCREENING LEVELS <br /> FOR EVALUATION OF POTENTIAL VAPOR INTRUSION CONCERNS <br /> (volatile chemicals only) <br /> "ResidentialamMarc a n ustr a <br /> Land Use Land Use <br /> Vadose-Zone Soil Type Vadose-Zone Sail Type <br /> Hfgh Low/Moderate High LowllVloderate <br /> Physical Permeability Permeability Permeability Permeability <br /> CHEMICAL PARAMETER State (uglL) (ug1L) (uglL) (uglL) <br /> COPPER NV S <br /> CYANIDE(Free) NV 5 (Use sell gas) (Use sod gas) (Use sofl gas} (Use sell gas) <br /> DIBENZO(a h)ANTHTRACENE NV S <br /> DIBROMOCHLOROMET14ANE V S -17E+02 3 9E+02 5 7E+02 1 3E+03 <br /> 1,2-DI13ROMO-3-CHLOROPROPANE V 1 L (Use soil gas) (Use soil gas) (Use soil gas) (Use sail gas) <br /> DIBROMOETHANE,1 2- V S 1 5E+02 2 3E+02 5-1 E+02, 7 7E+02 <br /> DICHLOROBENZENE 12- V L 7 7E+0 1 6E+05 i 6E+05 1 6E+05 <br /> DICHLOROBENZENE 1 3- V L (Use sod gas) (Use sod gas) (Use sail gas) (Use soil gas) <br /> DICHLOROBENZENE 14- V S 34E+02 9 5E+02 1 1E+03 3 2E+03 <br /> DICHLOROBENZIDINE 3 3- NV S <br /> DICHLORODIPHENYLDICHLOROETHANE(DDD) NV 5 <br /> DICHLORODIPHENYLDICHLOROETHYLENE(DQE) NV S <br /> DICHLORODIPHENYLTRICHLOROETHANE(DDT) NV S <br /> DICHLOROETHANE,1,1- V L 1 0E+03 3 5E+03 3 4E+01 1 2E+0 <br /> DICHLOROETHANE 12- V L 2 0E+02 4 9E+02 6 9E+0 17E+034 <br /> DICHLOROETHYLENE,1,1- V L 6 3E+03 2 6E+04 1 8E+04 7 4E+04 <br /> DICHLOROE7HYLENE Cas 12- V L 6 2E+03 1 9E+04 1 7E+04 5 4E+04 <br /> DICHLOROETHYLENE,Trans 1 2- V L 6 7E+03 2 4E+04 1 9E+04 6 BE+04 <br /> DICHLOROPHENOL 2 4- NV S <br /> DICHLOROPROPANE,12- V L 2 8E+02 8 5E+02 9 3E+02 2 8E+03 <br /> QICHLOROPROPENE 1 3- V L 5 3E+01 2 1E+02 1 8E+02 7 0E+02 <br /> DIELDRIN NV S <br /> DIETHYLPHTHALATE NV S <br /> DIMETHYLPHTHALATE NV S <br /> DIMETHYLPHENOL 2 4- V S 2.5E+06 2 0E+06 71 E+06 6 5E+06 <br /> DINITROPHENOL 2,4- NV 8 <br /> DINITROTOLUENE 2,4- NV S <br /> i,a DIOXANE NV L <br /> DfOXIN(2,3,7,8 TCDD) NV 5 <br /> ENDOSULFAN NV S <br /> ENDRIN NV 5 <br /> ETHANOL NV 5 (Use soil gas) (Use sod gas) (Use soil gas) (Use soil gas) <br /> ETHYLBENZENE V L 17E+05 17E+05 17E+05 17E+05 <br /> FLUORANTHENE NV S <br /> FLUORENE V S 1 9E+03 <br /> HEPTACHLOR 1 9E+03 i 9E+03 1 9E+03 <br /> NV S <br /> HEPTACHLOR EPDXIDE NV S <br /> INTERIM FINAL-February 2005 <br /> SF Bay RWQCB Page 2 of 4 Table E-f a(GW to IA) <br />