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' i i • <br /> RSCA Tool Kit for Chemical Releases Version 1 3a Page 1 of 4 = <br /> CHEMICAL DATA FOR . COCsPhysical Property Data <br /> Diffusion log(Koc)or Vapor <br /> Molecular Coefficients log(Kd) Henrys Law Constant Pressure Solubility <br /> Weight In air in water (Q 20 25 C) 20 25 C) (@ 20 25 C) 20 25 C) <br /> CAS (glmole) (cm21s) (cm2fs) log(11kg) (atm-m3) (mm Hg) (mg1L) acid base <br /> Constituent Number type MW ref Dair ref Dwat ret partition ref mol unitlesa ref ref ref pKa pKb ref <br /> Benzene' 71-43-2 A 781 PS 6 80E-92 PS 9 80E 06 PS 177 Koc PS 5 55E 03 2 29E-01 PS 9 52E+01 PS 1 75E+03 PS <br /> Ethylbenzene' 1OD-41-4 A 1062 P5 7 50E 02 PS 7 80E 06 PS 256 Koc PS 7 BBE-03 3 25E-01 PS 1 00E+01 PS 1 69E+02 PS <br /> Toluene" 108-883 A 924 5 8 50E 02 A 9 40E 06 A 21 Koc A 6 30E-03 2 60E 01 A 3 00E+01 4 5 15E+02 29 <br /> Xytene(mixed isomers)` 1330-20-7 A 1062 5 7 20E 02 A 8 50E 06 A 2 38 Koc A 7 03E-03 2 90E 01 A 7 DOE+00 4 1 98E+02 5 <br /> 1'=Chemical with user specified data <br /> Site Name Souza II LLC Completed By JPL Job ID 450 <br /> Site Location 612 W Eleventh,Tracy CA Date Completed 20 Apr 04 <br />