COMMENT PERIOD ENDS | Significant Revision to Air Quality Control Permit for Freeport-McMoRan — Morenci in Greenlee County

On Feb. 24, 2023, the public comment period ends for the proposal to issue Significant Permit Revision Number 96391 to Air Quality Control Permit Number 72683 to Freeport-McMoRan Morenci, Inc. for the modification of the Concentrate Leach Plant at Freeport-McMoRan — Morenci, a copper and molybdenum ore mining and processing facility located in Greenlee County. The comment period began Jan. 25, 2023.

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