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Chapter 17: Problem 10

Outline the four steps of risk assessment used by the EPA.

Short Answer

Expert verified
The four steps of risk assessment used by the EPA are: 1) Hazard Identification, 2) Dose-Response Assessment, 3) Exposure Assessment and 4) Risk Characterization.

Step by step solution

01

Hazard Identification

The first step of the risk assessment process is to identify potential hazards. This could include potential chemicals, physical hazards, or biological agents that could cause harm. This step is about figuring out what the potential hazards are, not about determining how much of a risk they pose yet.
02

Dose-Response Assessment

In this step, the relationship between the quantity of exposure to the hazard and the extent of harm it could cause is examined. Essentially, you're determining how much of a given hazard is harmful.
03

Exposure Assessment

At this stage of the process, one must evaluate how, when, and to what degree people may be exposed to the hazard that has been identified. This step analyses potential exposure in various scenarios.
04

Risk Characterization

Finally, in this step, the information from the first three steps is combined to estimate the risk that the hazard poses in a real-world context. This includes assessing the uncertainty associated with the risk estimate.

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