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n KLE/NFELDER 6A9hIPoeph.N9M SONfMt Table K-3. Direct Exposure Soil Screening Levels Construction/Trench Worker Exposure Scenario FInM Screening Leval Cancer Risk=10" Noncancer HQ=1 Soil Saturation Umlt Chemical (mglkg) Basis m Ik mg/kg) (mg/kg) )!ethyl phthalate 1.3E+05 no 0.0E+00 1.3E+05 N/A Dimethyl phthalate 1.61+06 no 0.0E+00 1.6E+06 N/A 2,4-Dlmelh I henol 8.2E+03 no 0.0E+00 6.2E+03 NIA 2,4-1)lnitrophenol 8.2E+02 no 0.0E+00 6.2E+02 N/A ,4-Dlnitrotoluene 3.2E+01 ca 3.2E+01 62E+02 N/A 1,4-Dioxane 7.9E+02 ra 7.9E+02 1.7E+10 N/A Dioxin(2.3,7,8-TCDD) 1.3E-04 ca 1.3E-04 0.0E+00 WA Endasulfan 1.3E+03 no 0.0E+00 1.3E+03 WA Endrin 6.4E+01 M 0.0E+00 6.4E+01 WA EUylbenzene 4.9E+02 d 49E+02 1.3E+04 4.0E+02 Fluommhene 6.7E+03 no 0.0E+0O 5.7E+03 WA Fluonma 5.7E+03 no 0.0E+00 5.7E+03 WA Heptachbr 3.6E+00 ca 3.6E+00 1.1E+02 N/A Henuchlor epoxide 1.8E+00 n 1.6E+00 2.8E+00 N/A Hexachlorobenzena 8.2E+00 w 8.2E+00 1.7E+02 WA Hexacharobutadiene 2.6E+02 OR 2.8E+02 3.1E+02 WA /-Hexachlorocycbhexane(Liry n ) 8.4E+01 no 0.0E+DO 6.4E+01 AN Hexachlomethana 1.6E+02 no 2.9E+02 1.6E+02 N/A Indeno(1,2,3-u,d) rene 8.3E+00 ca 8.3E+00 0.0E+00 N/A Lead 3.2E+02 no 0.0E+00 3.2E+02 N/A Mercury(elemental) 2.7E+01 no 0.0E+00 2.7E+01 N/A Metro chlor 1.1E+03 no 0.0E+00 1.1E+03 N/A elh leve chloride 7.8E+02 m 7.8E+02 3.5E+03 2.4E+03 Melhyl ethyl ketone 1.3E+05 no 0.0E+00 1.3E+05 3.4E+04 Melhyl isobutyl ketone LBE+OS M 0.0E+00 1.5E05 1.7E+04 MeU l mercury 1 a no 0.0E+00 1.8E+01 WA 2-Methylnaphthalene 5.7E+02 no 0.0E+00 5.7E+02 N/A tart-Butyl methyl ether 3.6E+03 ca 3.8E+03 6.1E+04 2.1E+04 Molybdenum 1.5E+03 no 0.0E+00 1.5E+03 N/A Naphthalene 3.7E+02 n 3.7E+02 4.7E+02 N/A Nickel 8.1E+03 no 0.0E+00 6.1E+03 N/A Pentachlomphenol 5.8E+01 ca 5.6E+01 2.9E+02 N/A Perchlorate 2.2E+02 no O.OE+00 2.2E+02 N/A Phenanthrene No Value no 0.0E+00 11.0E+Oa N/A Phenol 9.3E+04 no 0.0E+00 9.3E+04 N/A Poychbrinated biphenyls PCBs 2.7E+00 no 4.8E+00 2.7E+00 WA Pyrene 8.6E+03 M 0.0E+00 8.6E+03 WA Selenium 1.5E+03 no 0.0E+00 1.5E+03 WA Silver 1.5E+03 no ODE+00 1.5E+03 N/A SI mne 2.8E+04 no 0.0E+00 2.8E+04 1.5E+03 tert-Butyl alcohol No Value no 0.0E+00 0.0E+00 3.2E+05 1,1,1,2-Tetrachloroethane 3.3E+02 ca 3.3E+02 9,3E+03 2.0E+03 11,22-Tehachloroethane 3.8E+01 ca 3.8E+01 1.9E+04 2.0E+03 etrachloroethene 3.1E+01 ca 3.1E+01 1.5E+03 2.3E+02 Thallium 3.1E+00 no 0.0E+110 3.1E+00 N/A Toluene 4.3E+03 no 0.0E+00 4.3E+03 8.5E+02 Toxaphene 1.2E+01 ra 1.2E+01 0.0E+00 N/A PH gasoline 2.7E+03 no 0.0E+00 2.7E+03 9.3E+n3 PH diesel 9.0E+02 no 0.0E+00 9.0E+02 1.1E+02 PH motor ail 2.8E+04 no 0.0E+00 2.8E+04 N/A 1.2,4.Trlrhlorobanzene 6.0E+02 ne 6.0E+03 6.0E+02 WA 1.11-TrOhloroelhane 4AE+04 no 0.0E+00 4.4E+04 1.2E+03 1.12-Trichtooethare 8.7E+01 ca 8.7E+01 1.2E+03 1.8E+03 richlomelhene 2.4E+01 no 1.6E+02 2.4E+01 1.3E+03 2,4,5-Trichlorophenol 3.1E+04 no 0.0E+00 3.1E+04 N/A 2,4,6-Trichlorophenol 3.1E+01 no 1.9E+03 3.1E+01 N/A Vanadium 1.5E+03 no 0.0E+00 1.5E+03 N/A inyl chloride 3.8E+00 ca 3.8E+00 3.0E+02 1.2E+03 Xylenes 2.5E+03 M 0.0E+00 2.5E+03 4.2E+02 ins 9.3E+04 M 0.0E+00 9.3E+04 WA SF Bay RWQCB 81 of 85 Table K-3(Construction DE)