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TABLE 4-9 <br /> INTAKE ASSUMPTIONS FOR INHALATION EXPOSURE IN SHOWER <br /> YELLOW FREIGHT, STOCKTON <br /> Intake Factor = C x IR x ET x EF x ED <br /> BWxAT <br /> JParameter 'Average <br /> C = Concentration of chemical in,air (µg/m3) model' model' <br /> IR = Inhalation rate m3 hr <br /> occupational 0.83 0.83 <br /> adult 0.83 0.83 <br /> child 0.42 0.42 <br /> ET = Exposure time, hours/day in shower <br /> occupational 0.12 0.12 <br /> adult resident 0.12 0.25 <br /> child resident 0.12 0.15 <br /> EF = Exposure frequency, days/year <br /> occupational 250 260 <br /> adult resident 320 350 <br /> child resident 320 350 <br /> ED = Exposure duration, years <br /> occupational 5 25 <br /> adult resident 9 30 <br /> child resident 6 6 l <br /> BW = Body g g weight k <br /> adult 70 76 <br /> child 15 15 <br /> AT = Averaging time, days <br /> carcinogens 25550 25550 <br /> noncarcinogens <br /> occupational 1825 9125 <br /> adult resident 3285 10950 <br /> child resident 2190 2190 <br /> Air concentrations in shower are from-Foster and Chrostowshi (1986) shower mod-el <br /> J <br /> J <br /> S:\LDC\YELLO.RVr May 4,1995 <br />