EPA · Notice · Rel 100 (Federal Register (major agencies))
Clean Air Act Operating Permit Program; Order on Petition for Objection to State Operating Permit for the Copperstone Gold Mine
Other · Energy / climate · general, epa-rulemaking, climate
Source summary
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.
Analyst note
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Public reaction (Reddit)
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