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r-. r-7 ir--' r--' c-- c--�0 r- r---' r--"p F--7 r-7 <br /> r--,- -- c--? <br /> ' CHEMICAL DATABASEPhysical Property Data <br /> Diffusion log(Koc)or Vapor <br /> Molecular Coefficients log(Kd) Henry's Law Constant Pressure Solubility <br /> Weight In air in water (a@ 20-25 C) (@ 20-25 C) (@ 20-25 C) 20-25 C) <br /> CAS (g/mole) (cm2/s) (cm2/s) log(I/kg) a( tm-m31 <br /> (mm Hg) (mg/L) acid base <br /> Number Constituent type MW ref Dair ref Dwat ref ref mol (unitless) ref ref ref pKa pKb ref <br /> 71-43-2 Benzene y A 78.1 5 9.30E-02 A 1.10E-05 A 1.58 A 5.29E-03 2.20E-01 A =9.52E+01 4 1.75E+03 A <br /> 100-41-4 Ethylbenzene A 106.2 5 7.60E-02 A 8.50E-06 A 1.98 A 7.69E-03 3.20E-01 A 1.00E+01 4 1.52E+02 5 <br /> 1634-04-4 Methyl t-Butyl Ether O 88.146 5 7.92E-02 6 9.41 E-05 7 1.08 A 5.77E-04 2.40E-02 2.49E+02 4.80E+04 A <br /> 108488-3 Toluene A 92.4 5 8.50E-02 A 9.40E-06 A 2.13 A 6.25E-03 2.60E-01 A 3.00E+01 4 5.15E+02 29 <br /> 1330-20-7 Xyiene(mixed isomers) A 106.2 5 7.20E-02 A 8.50E-06 A 2.38 A 6.97E-03 2.90E-01 A 7.00E+00 4 1.98E+02 5 <br /> Site Name:Stockton Fire Station#3 Site Location: 1116 First Street, Stockto Completed By:JEANNE HOMSEY Date Completed: 3/14/2000 <br /> Software version:1.0.1 ©Groundwater Services, Inc. (GSI), 1995-1997.Al Rights Reserved. <br />