EPA Proposes Draft Defaults For Aquatic Life Water Criteria Metals Model

February 17, 2016
EPA has released draft default inputs for its biotic ligand model -- used to estimate water quality criteria for levels of copper in water that will not harm aquatic species -- for public comment, which could accelerate the agency's delayed oversight of states' criteria for copper and potentially be used for water quality modeling for other metals. The agency published its “ Draft Technical Support Document : Recommended Estimates for Missing Water Quality Parameters for Application in EPA’s Biotic Ligand...


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