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Draft Aquatic Life Ambient Water Quality Criterion for Selenium - Freshwater 2015

EPA updated the recommended aquatic life water quality chronic criterion for selenium in freshwater on June 30, 2016.  Below is the draft criterion that was released for public comment in July 2015.

Once finalized, EPA's water quality criterion for selenium will provide recommendations to states and tribes authorized to establish water quality standards under the Clean Water Act.

  • View public comments and other supporting documents on by searching for Docket Number EPA-HQ-OW-2004-0019
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