COMMENT PERIOD ENDS | Issuance of Air Quality Control Permit Renewal No. 71633 to Excelsior Mining JCM Inc.

On Aug. 16, 2018, the public comment period ends for the proposal to issue Air Quality Control Permit Renewal No. 71633 to Excelsior Mining JCM Inc. for the continued operation of a solvent extraction/electrowinning (SX/EW) facility located in Cochise County, Ariz. The public comment period began July 18, 2018.

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