Notice of Intent To Revise Aquatic Life Criteria for Copper, Silver, Lead, Cadmium, Iron and Selenium; Notice of Intent To Develop Aquatic Life Criteria for Atrazine, Diazinon, Nonylphenol, Methyl Tertiary-Butyl Ether (MtBE), Manganese and Saltwater Dissolved Oxygen (Cape Cod to Cape Hatteras); Notice of Data Availability; Request for Data and Information

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Section 304(a)(1) of the Clean Water Act requires the Environmental Protection Agency (EPA) to develop and publish, and from time to time revise, criteria for water accurately reflecting the latest scientific knowledge. Today, EPA is notifying the public of its intent to revise the current aquatic life criteria for copper, silver, lead, cadmium, iron and selenium and to develop new aquatic life criteria for atrazine, diazinon, nonylphenol, methyl tertiary-butyl ether (MtBE), manganese and saltwater dissolved oxygen (Cape Cod to Cape Hatteras). Lists of references available to the Agency for copper, silver, lead, cadmium, selenium, atrazine, diazinon, nonylphenol and saltwater dissolved oxygen (Cape Cod to Cape Hatteras) are available on the Office of Science and Technology's Home-page. References for iron, MtBE and manganese will be posted on the Office of Science and Technology's Home-page when they are available. EPA is soliciting any additional pertinent data or scientific views that may be useful in revising or developing these criteria.