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' APPENDIX C <br /> HUMAN HEALTH SCREENING EVALUATION <br /> • BURNSPROPERTY <br /> 1887 PROPERTY,TRACY,CALIFORNIA <br /> ' PROJECT 45650 <br /> 0 <br /> CALCULATION OF SOIL SATURATION CONCENTRATIONS(Csat) <br /> ' Organic Carbon <br /> Partition Aqueous Henry's Law Soil-Organic Saturation Maximum Free <br /> Chemical Coefficient Solubility(S) Constant Law <br /> Partition Concentration Concentration phase' <br /> (Koc) <br /> ' Coefficient(Kd) (Csat) Soil(Cs) <br /> (1/kg) (mg/1) (unitless) (Ukg) (mg/kg) m / ) <br /> Acenaphthene 4.60E+03 3.88E+00 4.92E-02 9.20E+01 357 094 No <br /> Benzo(a)anthracene 3.98E+05 9.40E-03 1.37E-04 7.96E+03 75 0.13 No <br /> Ch Bene 3.98E+05 1.60E-03 3 88E-03 7.96E+03 13 1 No <br /> Fluoranthene 1.07E+05 2.06E-01 6.60E-04 2.14E+03 441 0.17 No <br /> Fluorene 7.90E+03 1.90E+00 2.63E-03 1.58E+02 300 3 7 No <br /> Naphthalene 129E+03 3.17E+01 2.05E-02 2.58E+01 820 6.8 No <br /> Phenanthrene 2.72E+04 9.98E-01 1.60E-03 5.44E+02 543 5.7 No <br /> Pvrene 1.05E+05 1.35E-01 4.51E-04 2.10E+03 284 0.18 No <br /> Csa = (S/Pb)(KdPb+Pw +(H'x P.)) <br /> Kd = K. x f« <br /> Parameter Svmbol Value Units <br /> Fraction Organic Carbon foc 0.02 unitless <br /> Bulk Density b 1.5 cm' <br /> Water Filled Soil Porosity Pw 0.15 unitless <br /> Air Filled Soil Porositv Pa 0.284 unitless <br /> bums soil sat Page 6 of 18 <br />