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r <br /> APPENDIX C <br /> HUMAN HEALTH SCREENING EVALUATION <br /> POMBO PROPERTY <br /> 1755 WEST 11TH STREET,TRACY,CALIFORNIA <br /> PROJECT#5650 <br /> INHALATION OF VOCS AND NON-VOCS IN AIR FROM SOIL-Non-cancer <br /> Concentration Inhalation <br /> Chronic Hazard <br /> Chemical Air Non-cancer <br /> (Ca) Reference Quotient <br /> Dose(RfDi) <br /> (mg/m3) (mg/kg-d) H <br /> Eth (benzene 1.7E-03 0.29 3.7E-03 <br /> Toluene 7.7E-03 0.11 4.5E-02 <br /> Xylenes,Total 3.6E-03 2 1.2E-03 <br /> Acenaphthene 7.5E-05 0.06 8.0E-04 <br /> Benzo(a)anthracene 6.5E-09 NA NA <br /> Chrysene 2.7E-08 NA NA <br /> Fluoranthene 4.9E-09 0.04 7.8E-08 <br /> Fluorene 6.6E-05 0.04 1.EE-03 <br /> Naphthalene 4.1E-04 0.00086 3.IE-01 <br /> Phenanthrene 2.6E-07 0.3 5.4E-07 <br /> Pyrene 1.4E-08 0.03 2.9E-07 <br /> 4E-01 <br /> IRx EF xED <br /> Haard,;, — (I/RfD r) x C, x BW x AT x 365 day/yr <br /> Parameter Symbol Values Units <br /> Exposure Frequency EFacr 350 days <br /> Exposure Duration EDcr 6 years <br /> Body Weight BWcr 15 k <br /> Averaging Time-Non-cancer Amc 6 years <br /> Inhalation Rate IRacr 10 m'/d <br /> pombo\HQ air Page 16 of 18 <br />