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APPENDIX C <br /> HUMAN HEALTH SCREENING EVALUATION <br /> POMBO PROPERTY <br /> 1755 WEST 1 ITH STREET,TRACY,CALIFORNIA <br /> PROJEC1795650 <br /> PHYSICOCHEMICAL PROPERTIES <br /> Log Oclanol Organic <br /> Water Carbon Molecular Permeability Conslnnl <br /> Chemical Partition Henry's Law Renry'n Lew Aqueous y DiRusivily in Air(Di) Partition Weight Vapor VOC? Absorption <br /> Coefficient Rog Conslanl(H) Conslenl(H') Salubilily(S) Coefficient (MW) Pressum(VP) (Kp), Factions <br /> Kew) (Kae) Sail(ABSels) <br /> given calculated given calculated <br /> (atm-mr/mohd neither (mg/1) (cm2/sea) ban 2/sec? mole m <br /> mit cm/hr cm <br /> ( mr) <br /> Eth Ibenzenc 3.15 844E-03 346E-01 161E+02 00]5 220E+02 1062 95 Yes 0074 0.1 <br /> Toluene 2.73 594E-03 244E-01 535E+D2 0078 257E+02 92 284 Yes 0045 0.1 <br /> Xylenes,Total 3.17 530E-03 2.17601 200E+02 ODM] 2.40E+02 106.2 29 Yes 0.08 0.1 <br /> Acena M1thene 392 1.20E-03 4.92602 3.g8E+00 0.064 460E+03 154.2 223E-03 Yes NA 0092 0.15 <br /> Benzoduanthraccire 566 235E-06 137E-04 940E-03 0051 398E+05 2283 531E-0] No 081 0.15 <br /> Wymned <br /> 566 946E-OS 388E-03 160E-03 0025 398E+05 228.3 530E-09 No 081 0.15 <br /> 495 IbE-OS 660E-04 2.06E-0i 0.0302 I.WE+OS 202.3 6.178-OS No 0.36 0.15 421 6.426-OS 2.63603 190E+000061 2.90E+OJ 166.2 2.35E-03YesNA 0.123 0.15 <br /> 330 500E-04 205&02 3.17E+01 0069 129E+03 1282 0082 Yes 0069 015 <br /> 4.5] 390E-OS 1.6060) 9.98601 NA 0.060 2.72E+04 178.24 4.44E-04 No 0.27 0.15 <br /> 5.11 1 1.10E-05 1 4.51E-04 1 1.35E-01 1 0027 1 105E+05 1 20226 1 3.09E-OS I No NA 0.310 0.15 <br /> M= Hr41 <br /> Source: Cal-EPA, 1994 <br /> Dl= (0.MIT^19541/MWi+UMWa)M.5) <br /> (Pa r I(Vi)1I/3+(Vap1/3)]^2) <br /> Source. SCC Th Calculation"Workshect <br /> Kp= 10^(-28+00611ogKow-00056MW) <br /> Source'. U.S.EPA,1998 <br /> For chemicals not listed in Table A-I of the PFA Manual,a permeability constant was calculated based on U.S.EPA's Dermal Exposure Assessment Guidance(1998)instead ofchoosing a surrogate value <br /> from Table A-1 based on similar values for MW and Kew as recommended in the PEA Manual. <br /> pomboophychem and abs Page 4 of 18 <br />