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APPENDIX C <br /> HUMAN HEALTH SCREENING EVALUATION <br /> BURNSPROPERTY <br /> 1887 PROPERTY,TRACY,CALIFORNIA <br /> ' PROJECT#5650 <br /> 0 <br /> ' DERMAL CONTACT AND INCIDENTAL INGESTION OF SOIL-Non-cancer <br /> ' Concentration Absorption Oral Chronic Hazard <br /> Chemical Reference <br /> Soil(Cs) Fractions Soil Quotient <br /> (ABSds) Dose(RfDo) <br /> (mg/kg) — m -d Acenaphthene 0.94 0.15 0.06 5.0E-04 <br /> Benzo(a)anthracene 0.13 0.15 NA NA <br /> ' <br /> Chrysene 1 0.15 NA NA <br /> Fluoranthene 0.17 0.15 0.04 1.4E-04 <br /> Fluorene 3.7 0.15 0.04 3.0E-03 <br /> Naphthalene 6.8 0.15 0.02 1.1 E-02 <br /> Phenanthrene 5.7 0.15 0.3 6.1 E-04 <br /> Pyrene 0.18 0.15 0.03 1.9E-04 <br /> ' 2E-02 <br /> Hazards;, _ (1 M.) x CS x <br /> IRS x EF x ED x 10.6 kg/mg <br /> BW x AT x 365 day/yr <br /> + (1/RfDO) x CS x SA x AF x ABS x EF x ED x 10 6 kg/mg <br /> BW x AT x 365 days/yr <br /> Parameter Symbol Values Units <br /> ' <br /> Exposure Frequency-ingestion EFig 350 d/ <br /> yr <br /> Exposure Duration ED 6 yrs <br /> Body Weight BW 15 k <br /> ' <br /> Averaging Time-Non-cancer ATnc 6 yrs <br /> Ingestion Rate IRs 200 m d <br /> Surface Area SAs 2000 cm2 <br /> ' Soil-to-Skin Adherence Factor AF 1 mg/cm 2 <br /> Exposure Frequency-dermal contact EFdc 350 d/ <br /> yr <br /> Conversion Factor from mg to kg CF,,,,.,,, I E-06 kg/mg <br /> • <br /> ' burns\HQ soil Page 14 of 18 <br />