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18 oct. 1972 - Clean Water Act(USA)

Description:

Regulated pollutants in U.S. waters and set water quality standards. The impact was that it helped clean up water bodies like the Great Lakes. It had an impact in a positive way because it protected ecosystems and public health.

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il y a 1 jrs
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19

Date:

18 oct. 1972
Maintenaint
~ Il y a 52 ans
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