estimate the chronic daily intake of 1,1,1 - trichloroethane (TCE) from exposure

Question

estimate the chronic daily intake of 1,1,1 - trichloroethane (TCE) from exposure to a city water supple that contains a TCE concentration equal tot he drinking water standard of 0.2mg/L. assume the exposed individual is a child who consumes water at the child rate for 5 years, that she swims once a week for 30min, and that she takes a short (10-min) bath every day. assume her average age over the exposure period is 8. assume that the average air concentration of TCE during the bath is 1 mg/m^3. assume the dermal uptake from water (PC) is 0.0060 m/h and that direct dermal absorption during bathing is no more than 50% of available TCE because she is not completely submerged.

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