Laserfiche WebLink
ATTACHMENT 3 <br /> HUMAN HEALTH SCREENING EVALUATION <br /> POMBO PROPERTY <br /> 1755 WEST 11TH STREET,TRACY,CALIFORNIA, <br /> PROJECT#7243.001 <br /> MAXIMUM CONC;GROUNDWATER NOT POTABLE <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 ) (cm/hr) (m -d) (--) <br /> Benzene ND 0.02 0.003 NA <br /> Eth ]benzene ND 0.07 0.1 NA <br /> Toluene ND 0.05 0.2 NA <br /> Xylenes,Total ND 0.08 2 NA <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 ND 0.12 0.04 NA <br /> Naphthalene ND 0.07 0.02 NA <br /> Phenanthrene ND 0.27 0.3 ND <br /> Pyrene ND 0.31 0.03 ND <br /> �.•- O:0E+00 <br /> HazwdC x IR x EF x ED <br /> " — (1/ °) x BW x AT x 365 day/yr <br /> C. x SA.x Kp x ET x EF x ED x (11/1000cm3) <br /> (1/RfD°) 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 k <br /> Averaging Time-Non-cancer ATnc 6 yrs <br /> Intake Rate(water) IRw 1 I./d <br /> Surface Area SAswr 7200 cm, <br /> Exposure Time ETcr 0.14 hr/d <br /> Conversion Factor-L to cm3 CF1.cni3 0.001 I./cm3 <br /> pombo_based on UCLs\I-IQ gw non-VOCs Page 11 of 18 <br />