Approval Includes Selection of Remedy for Units 1&2 Stage I and II Evaporation Ponds and Response to Public Comments

Comment Period Begins Sept. 21 on Units 1 &2 Revised Remedy Evaluation Report – Part Two

HELENA—The Montana Department of Environmental Quality has reviewed Talen Montana’s proposed Colstrip Units 1&2 Remediation Plan and has determined it to be complete. A 45-day public comment period begins Sept. 18.

Following receipt of the first reclamation bond increment, the Montana Department of Environmental Quality has issued its final Hard Rock Mining Operating Permit to Tintina Montana Inc., on the Black Butte Copper Project.

The Montana Department of Environmental Quality (DEQ) will assume Operations and Maintenance (O&M) responsibilities from the Environmental Protection Agency (EPA) for Operable Units 4 and 7 at the Libby Superfund Site on July 1, 2020.