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' APPENDIX C <br /> HUMAN HEALTH SCREENING EVALUATION <br /> • BURNSPROPERTY <br /> ' 1887 PROPERTY,TRACY,CALIFORNIA <br /> PROJECT#5650 <br /> 0 <br /> INGESTION OF AND DERMAL CONTACT WITH non-VOCs IN GROUNDWATER-Non-cancer <br /> ' Concentration Permeability Oral Chronic Hazard <br /> Chemical Groundwater Constant Reference <br /> (Cw) (Kp) Dose (RfDo) Quotient <br /> ' (m /L) cm/hr m /k -d (--) <br /> Acenaphthene ND 0.09 0.06 NA <br /> ' Benzo(a)anthracene ND 0.81 NA ND <br /> Chrysene ND 0.81 NA ND <br /> Fluoranthene ND 0.36 0.04 ND <br /> ' Fluorene 0.0001 0.12 0.04 NA <br /> Naphthalene ND 0.069 0.02 NA <br /> Phenanthrene 0.0003 0.27 0.3 8.1 E-05 <br /> ' Pyrene ND 0.31 0.03 ND <br /> 8.1 E-05 <br /> x C. xIRw, xEFxED + <br /> lieHazard w = (1/RfD o) BW x AT x 365 day/yr <br /> ' <br /> (1/RfDo) x CW xSAxKP xETxEFxEDx (1L/1000cm3) <br /> BW x AT x 365 day/yr <br /> t Parameter Symbol Value Units <br /> Exposure Fre uency EF 350 d/yr <br /> Exposure Duration ED 6 yrs <br /> Body Weight BW 15 k <br /> ' <br /> Averaging Time-Non-cancer ATnc 6 yrs <br /> Intake Rate(water) IRw 1 L/d <br /> Surface Area SAswr 7200 cm2 <br /> ' Exposure Time ETcr 0.14 hr/d <br /> Conversion Factor-L to cm3 CFi_cm3 0.001 L/cm3 <br /> t <br /> ' burns\HQ gw non-VOCs Page 11 of 18 <br />