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ATTACHMENT 3 <br /> HUMAN HEALTH SCREENING EVALUATION <br /> BURNS PROPERTY <br /> 1887 PROPERTY,TRACY,CALIFORNIA <br /> PROJECT#7243.002 <br /> INGESTION OF AND DERMAL CONTACT WITH non-VOCs IN GROUNDWATER-Non-cancer <br /> Concentration Permeability Oral Chronic Hazard <br /> Chemical Groundwater Constant Reference Quotient <br /> (Cw) (Kp) Dose (RfDo) <br /> (m /L) (cm/hr) m /k -d Acenaphthene 0.0001 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 0.0003 0.12 0.04 NA <br /> Naphthalene ND 0.07 0.02 NA <br /> Phenanthrene 0.0002 0.27 0.3 5.4E-05 <br /> Pyrene ND 1 0.31 0.03 ND <br /> Toluene 0.0007 0.05 0.2 NA <br /> Xylene 0.0015 0.08 2 NA <br /> 5.4E-05 <br /> C xIR xEExID <br /> Hazard. = (1/RtD°) x + <br /> BW x AT x 365 day/yr <br /> CW xSAxKP xETxEFxEDx (1L/1000cm3) <br /> (1/ °) x BW x AT x 365 day/yr <br /> Parameter Symbol Value Units <br /> Exposure Frequency EF 350 d/yr <br /> Exposure Duration ED 6 yrs <br /> Body Weight BW 15 kg <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 CF1_cm3 0.001 L/cm3 <br /> ND=Not detected <br /> NA=Not Available <br /> • <br /> is\project\7000s\7243\bums_pea update_copy.xls Page 11 of 18 <br />