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TABLE 4-8 <br /> „> INTAKE ASSUMPTIONS FOR GROUNDWATER INGESTION ' i. <br /> YELLOW FREIGHT, STOCKTON <br /> L: Intake Factor.= C x IR x EF x ED <br /> BWxAT <br /> Parameter Average 77 <br /> L <br /> C = Chemical concentration in groundwater model' model' <br /> IR = Water consum tion rate (L/day) <br /> p , � / Y) <br /> adult 1.4- 2.0 <br /> child' 1.0. _ 1.0 <br /> EF = Exposure frequency, days/year <br /> occupational 250 260 <br /> adult resident .320- 350 <br /> child resident 320 . 350 <br /> 0.- <br /> ED = Exposure duration, years <br /> occupational 5 25 <br /> adult resident •9 . w. 30 <br /> child .resident 6 _ 6 <br /> _ i <br /> BW Body weight, kg <br /> adult 70. ” 70 <br /> child 15 15 <br /> AT = Averaging time, days <br /> carcinogens 25550 25550 r <br /> noncarcinogens <br /> occupational 1825 9125 <br /> adult resident 3285 10950 <br /> child resident 2190 2190 <br /> ' Groundwater concentrations.were estimated using unsaturated and saturated'zone modeling for the well <br /> located on site. <br /> I <br /> -- F <br /> S:\LDC\YELLO.RPT May 4, 1995 <br /> i <br />