USEPAFR-2026-14867NewsIn force

Clean Air Act Operating Permit Program; Order on Petition for Objection to State Operating Permit for the Copperstone Gold Mine

The Environmental Protection Agency (EPA) Administrator signed an order dated June 23, 2026, denying a petition dated June 6, 2025, from the Center for Biological Diversity. The petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit issued by the Arizona Department of Environmental Quality (ADEQ) to Bonanza Explorations, Inc., for Copperstone Gold Mine, an underground mining operation in La Paz County, Arizona.

Last changed 6 days ago.

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Source

https://www.federalregister.gov/documents/2026/07/23/2026-14867/clean-air-act-operating-permit-program-order-on-petition-for-objection-to-state-operating-permit-for

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