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APPENDIX C <br /> HUNAN HEALTH SCREENING EVALUATION <br /> PONBO PROPERTY <br /> 1755 WEST I ITH STREET,TRACY;CALIFORNIA <br /> PROJECT#5650 <br /> CALCULATION OF SOIL SATURATION CONCENTRATIONS(Csat) <br /> Organic Carbon Sail-Organic Saturation Maximum <br /> Partition Aqueous Henry's Law Free <br /> Chemin) Coefficient Solubility(S) Constant(IT) Partition Concentration Concentration Phase" <br /> (Karl Coefficient(Kill (Csat) Soil(CS) <br /> (M) (me/,) unitless V m ) <br /> Eth (b@ enzene 2.20E+ 16113+02 3.46E-01 4.40E+00 735 1.3 No <br /> Toluene 257E+02 535E+02 2.44E-01 5.14E+00 2,827 7.5 No <br /> Xylenes,TmA 210E+02 2.00E+02 2.17E-01 4.80E+00 988 34 No <br /> Acena 6lhene 460E+03 3.88E+00 4.92E-02 920E+01 357 0.76 No <br /> Be a nffimcene 398E+05 940E-03 137E-04 796E+03 75 0.13 No <br /> Claysone 398E+05 160E-03 3.88E-03 ].96E+W IJ 0.54 No <br /> Fluomngsene 1.07E+051 2.06E-0I6.60E-04 2.141313 441 0098 No <br /> Fluorene 790E+03 1.90E+00 2631303 ESSE+02 300 3.9 No <br /> Na hNelene <br /> 1,29E+()3 1 3.17E+01 2.05E42 2.58E01 820 3.3 No <br /> PhenanlM1rene 232E+04 9.98E-0I I 1.60E-03 1 544E+02 1 543 1 5.1 No <br /> 105E+05 1.35E-01 4.51E-04 2_IOE+03 284 0.27 No <br /> C,a = (S/pn)(Ku Isn+P,,. +(H'x P,)) <br /> Ka =K.. • fa <br /> Parameter S mbol Value Units <br /> FractoOis Carbon fix: 02 unitless <br /> Bulio b LS <br /> r <br /> Water FiliN Soil Pwouty Pw 0.15 unitless <br /> Air Filled Soil Porosity Pa 0.284 unitless <br /> pombo\soil sat Page 6 of 18 <br />