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Most Recent Additions*

QUALITY ASSURANCE PROJECT PLAN, 2024 Butte Mine Flooding Operable Unit, Butte Priority Soils Operable Unit And Montana Pole and Treatment Plant NPL Site Private Well Monitoring Program
Montana Bureau of Mines and Geology

Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP) and 2022 Final Unreclaimed Sites QAPP Request for Change (dated April 13, 2023)
Nikia Greene

BMFOU Berkeley Pit Waterfowl Protection Program - Request For Change
Pioneer Technical Services, Inc.

PILOT PROJECT QUALITY ASSURANCE PROJECT PLAN 2024 UPDATE
Alloy Group

RFC-Berkeley Pit WPP-2024-02
Mark Thompson and Loren Burmeister

Draft Final Horseshoe Bend Effluent Line (HBEL) Discharge Structure Surface Enhancements Work Plan
Pioneer Technical Services, Inc.

Comments on: Butte Mine Flooding Operable Unit Remedial Action Adequacy Review and Contingency Letter, dated January 3, 2023
Nikia Greene

QUALITY ASSURANCE PROJECT PLAN, 2024 Butte Mine Flooding Operable Unit Long-Term Monitoring Program
Montana Bureau of Mines and Geology

Pilot Project 2024 Annual Update
Loren Burmeister and Mark Thompson

May 2024 Berkeley Pit Migratory Waterfowl Protection Monthly Report
Mark Thompson and Loren Burmeister

June 2024 Berkeley Pit Migratory Waterfowl Protection Monthly Report
Mark Thompson and Loren Burmeister

July 2024 Berkeley Pit Migratory Waterfowl Protection Monthly Report
Mark Thompson and Loren Burmeister

Approval of: Draft Final 2023 Annual Report, Operations & Maintenance Monitoring Report for the Rocker Timber Framing and Treating Plant Operable Unit; dated April 10, 2024.
Jason Rappe

Final-2023 Update, Butte Mine Flooding Operable Unit, Butte Priority Soils Operable Unit and MT Pole, BABCGWA Quality Assurance Project Plan, Ver 1, and Crosswalk
Montana Bureau of Mines and Geology

Response to EPA April 15, 2023, Approval Letter for the BPSOU DRAFT 2021 Corrective Action Plans for Reclaimed Sites
Abby Peltomaa

September 2023 Monthly Activity Report for BNSF and Union Pacific Butte Priority Soils Operating Unit Unilateral Administrative Order-Docket No. CERCLA 08-2011-0011 KJ 2399019*00
Doug Brannan P.E.

Data Management Plan BNSF and Union Pacific Railroad Assets within Butte Priority Soils Operable Unit
Kennedy Jenks

EPA Remedial Project Manager Change, Consent Decree for the Butte Priority Soils Operable Unit, Civil Action No. CV89-039-BU-SEH
Molly Roby and Emma Rott

Concurrence and Comments on: SD Response to the Agencies Proposed RAAR Path Forward letter, dated March 28, 2022 and Pilot Project Annual Update letter, dated July 1, 2022
Nikia Greene

Comments for the Draft Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-40 Site Evaluation Summary Report (April 11, 2022)
Nikia Greene

*Updated as of 12/21/24.