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i <br /> 1 <br /> Oosure Report 30 <br /> Golden Grain Manteca Bean Facility,299 Moffat Boulevard,Manteca,California July 16,19% <br /> I <br /> CS x !R x ET x EF x ED VF * PEF <br /> Inhalation Dose, = BW x AP <br /> ' where <br /> Inhalation Dose, = adult Inhalation dose (mg/kg-day) <br /> AP = averaging period <br /> IR = inhalation rate (m3/hr) <br /> SW = body weight(kg) <br /> Cs = constituent concentration In soil (mg/kg) <br /> ED = exposure duration (years) <br /> EF = exposure frequency (days/year) <br /> ET = exposure time <br /> VF = volatilization factor(m3/kg), chemical-specific <br /> PEF = particulate emission factor(m3/kg), chemical-specific <br /> Dermal Algorithm The algorithm for calculating the Intake through dermal contact Is the following <br /> Dermal Dose, = Cs x SSA x ABS x SAR x EF x ED x CH <br /> BW x AP <br /> ' where <br /> Dermal Dose, = adult dermal dose (mg/kg-day) <br /> C. = chemical concentration In soil (mg/kg) <br /> ' SAR = soil adherence rate (mg/cm) <br /> SSA = skin surface area exposed (cm2/day) <br /> ABS = absorption fraction of chemical from soil (unitless) <br /> t BW = body weight (kg) <br /> AP = averaging period (period over which exposures are <br /> expected to produce an effect) (days) <br /> ' EF = exposure frequency (days/year) <br /> ED = exposure duration (years) <br /> CF = unit conversion (10$ kg/mg) <br /> 1 <br /> 6.3.5 Toxicity Assessment <br /> ' The toxicity assessment examines Information concerning the potential human health effects of <br /> exposure to chemicals of potential concern Its goal Is to provide, for each listed COPC, a basis for <br /> the nsk characterization <br /> • <br /> FLUOR DANIEL GTI <br />