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TABLE 3-6 <br /> ONTAKE ASSUMPTIONS FOR WATER INGESTION <br /> SHOP 10 MAINTENANCE STATION, CALTRANS <br /> STOCKTON, CALIFORNIA <br /> Intake Factor Cs x IR x F1 x EF x ED <br /> BWxAT <br /> Parameter Reasonable Maximum <br /> Cs= COC Concentration (mg/L) Modeled Results* <br /> Table 2-2 <br /> IR= Water Consumption (Qday) 2 <br /> FI = Fraction ingestion water from 1 <br /> contaminated source <br /> EF= Exposure Frequency (dayslyear) 350 — <br /> 0 -10 ED <br /> 50 —ED = Exposure Duration (years) 30 - <br /> 10 <br /> BW= Body Weight (kg) <br /> Occupational 70 <br /> AT= Averaging Time (days) <br /> Noncarcinogens 10,950 (30 years), <br /> Carcinogens 25550 (70 years) <br /> Note <br /> Modeled results used for hypothetical well located 1,000 feet downgradient <br /> Table 2-2 results used for on site groundwater use scenano <br /> 1 <br /> tab3-610123198 <br />