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Author Question: Outline the four steps of risk assessment used by the EPA. What will be an ideal ... (Read 59 times)

V@ndy87

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on: Jul 15, 2018
Outline the four steps of risk assessment used by the EPA.
 
  What will be an ideal response?

Question 2

What is one example of an endangered species that has benefited from protection under the Endangered Species Act?
 
  What will be an ideal response?


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Brenm

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Reply #1 on: Jul 15, 2018
Answer to Question 1

The four steps are (1) hazard assessment, (2) dose-response assessment, (3) exposure assessment, and (4) risk characterization. Dose-response assessment is to analyze the relationship between the concentrations of chemicals in the test (the dose) and both the incidence and severity of the response. Exposure assessment involves identifying human groups already exposed to the chemical, learning how their exposure came about, and calculating the doses and length of time of their exposure. The final step, risk characterization, is to pull together all the information gathered in the first three steps in order to determine the risk and its accompanying uncertainties.

Answer to Question 2

Examples include the American bald eagle, the peregrine falcon, and the whooping crane.


V@ndy87

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Reply 2 on: Jul 15, 2018
Great answer, keep it coming :)

tuate

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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