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 2](/training/pha_professional2/html/module3/images/formula2.gif)
The exposure factor is an estimate of the actual time that a person comes into contact with a chemical.
More on this Topic: Calculation Example
Page last reviewed: May 31, 2016
Content source: Agency for Toxic Substances and Disease Registry