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Office of Inspector General

Report: Management Alert - Unapproved Use of Slag at Anaconda Co. Smelter Superfund Site

Report #20-N-0030, November 18, 2019

While conducting work on an ongoing audit the EPA OIG decided to issue this management alert to inform the agency and the public of our discovery that a certain unapproved use of slag is taking place in Anaconda, Montana.

Report Materials

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OIG Independence of EPA

The EPA's Office of Inspector General is a part of the EPA, although Congress provides our funding separate from the agency, to ensure our independence. We were created pursuant to the Inspector General Act of 1978, as amended Exit.

Environmental Protection Agency  |  Office of Inspector General
1200 Pennsylvania Avenue, N.W. (2410T)  |  Washington, DC 20460  |  (202) 566-2391
OIG Hotline: 1-888-546-8740.