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APPENDIX A-5 <br /> HUMAN HEALTH SCREENING EVALUATION <br /> SURLAND HOMES PROPERTY <br /> TRACY,CALIFORNIA <br /> PROJECT 6447.007 <br /> FINAL <br /> PHYSICOCHEMICAL PROPERTIES <br /> Log Ocmnol Organic <br /> Water Carbon Molecular <br /> Henry's Law Henry's Law Aqueous Vapor v Permeability b'.enstlnb <br /> Chemical Partition Constant(H) Consbaat(H') Solubility(S) Diffusivity in Air(Di) Partition Weight Pressure(VP) VOC. (Kp)n Absorption <br /> Coefficient(log Coefficient (MW) Fractions Soil <br /> Kew) (Koc) (ABSds) <br /> given calculated given calculated <br /> - (aim-ms/mole unitlesa m cm'/sec cma/sec mole (men H cm/hr cm/hr - • <br /> Eth Ibcnscne 3.15 8.44E-03 3.46E-01 1.61E+02 0.075 2.20E+02 106.2 9.5 Yes 0.074 0.1 <br /> Toluene 2.73 5.94E-03 2.44E-01 5.35E+02 0.078 2.57E+02 92 28.4 Yes 0.045 0.1 <br /> X lens Total 1 3.17 1 5.30E-03 i 2.17E-01 1 2.00E+02 0.087 2.40E+02 106.2 1 7.9 Yes 0.08 0.1 <br /> Acena hthene 3.92 1.20E-03 4.92E-02 3.88E+00 0.064 4.60E+03 154.2 2.23E-03 Yes NA 0.092 0.15 <br /> Chrysene 5.66 9.46E-05 3.88E-03 1.60E-03 0.025 3.98E+05 228.3 5.30E-09 No 0.91 0.15 <br /> Fluoranthene 4.95 1.61E-05 66E3 206 -010 0.0302 1.07E+05 202.3 6.17E-05 No 0.36 0A5 <br /> 5 .6 -0 E+1.90E <br /> Fluorenc 421 6.42E 0 0.061 . 03 166.2 2.35E-03 Yes NA 0.123 0.15 <br /> Phenanthrene 4.57 1 3.90E-05 1.60E-03 I 9.98E-01 NA 0.060 2.72E+04 178.24 1 4.44E-04 No 0.27 0.15 <br /> rene 5.11 1.10E-05 4.51E-04 I 1.35E-01 0.--- 1.05E+05 202.26 1 3.09E-05 No NA 0.310 0.15 <br /> FI'= He41 <br /> Source: Cal-EPA,1994 <br /> Di= (0.001TA1.75e0/MWi+I/MWa)A0.51 <br /> (Pa•I(Vi)AI/3+(Va)11/3)]12) <br /> Source: See"Di Calculation'Worksheet <br /> Kp= 101(.2.8+0.067logKow-0.0056MW) <br /> Source: U.S.EPA,1998 <br /> n For chemicals not listed in Table A-1 of the PEA Manual,a permeability constant was calculated based on U.S.EPA's Dermal Exposure Assessment Guidance(1998)instead of choosing a surrogate value <br /> from Table A-1 based on similar values for MW and Kew as recommended in the PEA Manual. <br /> NA=Not Available <br /> i saraiern�47.e07hra snood elme dm�pee risk for sudar,l As Paae t of i a <br />