What law enacted in 1976 has the EPA delegated to the Oregon Department of Environmental Quality the authority to administer in within the state of Oregon?
Oregon Department of Environmental Quality: The Oregon Department of Environmental Quality (DEQ) is the chief regulatory agency of the government of the U.S. state of Oregon responsible for protecting and enhancing the state's natural resources and managing sanitary and toxic waste disposal. Oregon Department of Environmental Quality:  In addition to its state mandate, the United States Environmental Protection Agency (EPA) has delegated authority to DEQ to administer federal environmental programs including the federal Clean Air Act, Clean Water Act, and Resource Conservation and Recovery Act within the state.
i don't know