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Ecological Risk Assessment Training
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Analysis Lesson 3: Characterizing Exposure

In this lesson, we'll take a close look at the key step in analysis of characterizing exposure.

key pointExposure is defined as contact or co-occurrence between a stressor and a receptor, or uptake of a stressor by a receptor.

During exposure characterization, assessors describe potential or actual contact, co-occurrence, and uptake between stressors and receptors. Exposure characterization involves four steps:

Let's look at each of these steps in turn.Click Next below as usual, or use the graphic below to navigate to each of the four main steps.

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characterize exposure

Relevant guidelines section(s): 4.2


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