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Step 2.3 Evaluating Exposures for Possible Health Effects

bulletReviewing Chemical-Specific Literature

The health assessor reviews scientific literature to find studies with exposure conditions similar to the exposure being evaluated. The health assessor focuses on toxicologic and epidemiologic studies that provide information on exposure to the selected chemicals.

Toxicity studies *
Epidemiologic studies *

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Purpose. The goal of the evaluation is to fully consider site-specific exposure doses relative to available chemical-specific information in the scientific literature.

Some information that a health assessor considers in the weight-of-evidence approach includes the following:

(Click on the entries to view a definition.)


Sensitive populations


Route of exposure




Chemical form



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spacer Last updated: February 20, 2008 bullet ATSDR EPH Training Coordinator

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