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Step 2.1 Estimating Exposure Doses

Estimating an Ingestion Dose for Evaluating Noncancer Health Effects

A dose for ingesting a chemical is estimated using the following formula. The same formula is used regardless of whether the chemical was ingested in water, soil, or food.

Estimating an Ingestion Dose for Evaluating Noncancer Health Effects formula 1

Estimating an Ingestion Dose for Evaluating Noncancer Health Effects formula 2

The exposure factor is an estimate of the actual time that a person comes into contact with a chemical.

Estimating an ingestion dose for cancer-related health effects

formula for ingestion dose for cancer realted health effects formula 3

eastimating an ingestion does for cancer realted health effects formula 4

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