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APPENDIX A-11 <br /> HUMAN HEALTH SCREENING EVALUATION <br /> SURLAND HOMES PROPERTY <br /> TRACY,CALIFORNIA <br /> PROJECT 6447.007 <br /> FINAL <br /> INGESTION OF AND DERMAL CONTACT WITH non-VOCs IN GROUNDWATER-Non-cancer <br /> Concentration Permeability Oral Chronic <br /> Average Daily Hazard <br /> Chemical Groundwater Constant Reference <br /> (Cw) (Kp) Dose Dose (RfDo) Quotient <br /> m cm/hr (mg/kg-d m -d <br /> Chrysene 0.0002 0.81 2.3E-05 0.03 7.7E-04 <br /> Fluoranthene 0.00005 0.36 4.4E-06 0.04 1.1E-04 <br /> Phenanthrene 0.0014 0.27 1.1E-04 0.04 2.8E-03 <br /> Pyrene 0.0003 0.31 2.5E-05 0.03 8.4E-04 <br /> 4.6E-03 <br /> Hazard. = (1/Rf)°) x C. x IR, x FF x ED + <br /> BW x AT x 365 day/yr <br /> C. x SA x KP x ET x EF x ED x (1L/1000cm') <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 L/d <br /> Surface AreaSAswr 7200 cul <br /> Exposure Time ETcr 0.14 br/d <br /> Conversion Factor-L to cm' CF,, 0.001 L/cm' <br /> NA=Not Applicable <br /> is\project\6000s\6447\6447.007Vva stand alone doc\pea risk for surland.xis Page I I of 18 <br />