Safe Drinking Water Act (1974)
The Safe Drinking Water Act (SDWA, 1974) is the main federal law that ensures the quality of drinking water in the Unites States. When implemented, it extended coverage ...
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Secondary Standards
Pollution control levels that affect the welfare of plants, animals, buildings and materials. Secondary standards may relate to either water quality or air pollution under the cont...
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Safe Drinking Water Act (1974)