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Water: Selenium

Aquatic Life Criteria - Selenium

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EPA has released a technical report describing the results from testing the toxicity of selenium to juvenile bluegill sunfish under winter temperature conditions. We are also providing references for data we've obtained since 2004.

October 2008

Scientific data or views relevant to any of this new information may be submitted for 30 days following publication.

Draft Criteria

December 2004

We published a draft ambient water quality criterion for selenium. The criteria recommendations are intended to protect aquatic life under the Clean Water Act. They incorporate the latest scientific information available to the Agency and reflect a new and improved approach to measuring this bioaccumulative pollutant in the aquatic environment.

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