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APPENDIX C <br /> ' HUMAN HEALTH SCREENING EVALUATION <br /> • BURNSPROPERTY <br /> 1887 PROPERTY,TRACY,CALIFORNIA <br /> PROJECT 95650 <br /> 0 <br /> ' INHALATION OF VOCs in GROUNDWATER-Cancer <br /> Concentration Inhalation <br /> ' Chemical Groundwater Slope Factor Excess Cancer <br /> (Cw) (SFi) Risk VOCs <br /> (mgt) (mg/kg-d)-1 (--) <br /> ' Acenaphthene ND NA ND <br /> Benzo(a)anthracene ND 0.39 NA <br /> Ch Bene ND 0.039 NA <br /> ' Fluoranthene ND NA NA <br /> Fluorene 0.0001 NA NA <br /> Naphthalene ND NA ND <br /> ' Phenanthrene 0.0003 NA NA <br /> Pyrene ND NA NA <br /> 0E+00 <br /> ' Risk = Risk + SF, x Cw x IRvoc,ad.it x EF x EDad.1, <br /> VOC,water water BWadult x AT x 365 days/yr <br /> lieSF, x Cw x IRvoc,cnld x EF x EDcndd <br /> BWchild x AT x 365 days/yr <br /> Parameter Symbol Values Units <br /> Exposure Frequency EF 350 d/yr <br /> Exposure Duration-adult EDar 24 yrs <br /> Exposure Duration-child EDcr 6 yrs <br /> Body Weight-adult BWar 70 k <br /> ' <br /> Body Weight-child BWcr 15 k <br /> Averaging Time-Cancer ATca 70 yrs <br /> Intake Rate-adult IRvocar 2 L/d <br /> ' Intake Rate-child IRvoccr I L/d <br /> ' burns\risk gw VOCs Page 10 of 18 <br />