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� i!� anl■�r i �� a>� i!■w �aIT mplat� s� �� a: a� a wa CalTOXTm 4.0 beta: Eight-Compartment Multimedia Exposure Model - Contaminated Soil Copyright c 2002 Regents of the University of California Chemical ==> 1,2-Did►loroethane Summary of Results: Landscape ==> tCARes(ter loll)Exposure Factors Set=> ale ig+ s �► potencies ADIs Un-mitigated risk and/or hazard ratio Toxicity Data ==> 1/(mg/kg-d) (mg/kg-d) Risk 2 s E-257 Inhalation 7 0 E-02 0114 Hazard ratio 13 E-254 Ingestion 7 0 E-02 02 Dermal 7 0 E-02 02 Target Soil Concentrations (in ppm) Total dose 0 Risk Hazard qLoLm Based on cancer risk. Target Risk/Hazard W 10 E-06 100 Root soil 0 015+0 not avibl current value should be> Gmd-water 0.0 E+0 not avibl. Root-soil thickness==> 2 OK Root Soil We Alter root soil thickness toy n/a Based on hazard: Grnd-water n/a Distance off-ske for air exposure= 0 0 E+00 meters Root soil 0 0 E+0 not avibl. Time after Initial concentrations Gmd-water 0.0 E+0 not avibl. when exposure begins= 3 7 E+02 days Measured Concentrations (at time=0) Concentration limits without NAPL Root-zone soil0 ppm(mg/kg) Root soil 5 3 E+03 mg/kg solid Vadose-zone sod 0 ppm(mg/kg) Vadose sod 5 0 E+03 mg/kg solid Groundwater 0 025 m(mgjQ Ground water 8 5 E+03 mg&water Continuous Inputs Methane flux m/d 0 Time avrg.Conc in on-site environmental media Source term to air(moUd) 0 0 E+00 Sa Air 15 E-256 mg/m3 Source term to ground-surface sod(moUd) 0 0 E+00 Sg Total Leaf 2 6 E-257 mg/kg(total) Source term to root-zone sod (moUd) 0 0 E+00 Ss Gmd-surface soil 2 4 E-254 mg/kg(total) Source term to surface water moVd 00 E+00 1 SW Root-zone soil 18 E-252 mg/kg(total) Aquifer characteristics Vadose-zone sod 2 8 E-255 mg/kg(total) Distance to first well (m) 7 6 E+02 d well Ground water 14 E-04 mg/L(water) 0 008157561 Darcy veleocity(mid) 10 E-01 v_darc Surface water 4 6 E-255 mg/L Water dispersion coeff (m2/d) 5 0 E-02 D T Sediment 119 E-255-mg/kg Pagel