Most Recent Additions* | Digital Commons @ Montana Tech

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Most Recent Additions*

FINAL 2026 Interim Site-Wide Groundwater Monitoring Quality Assurance Project Plan
Woodard & Curran

Clark Tailings Consolidated Waste Management Area Site Investigation Quality Assurance Project Plan (QAPP)
Woodard & Curran

EFFECTS OF PRESCRIBED BURNING ON FOREST SOIL LOW-MOLECULAR-WEIGHT ORGANIC ACIDS
Ariana Guiscelle Rivera-Anazco

Butte Priority Soils Operable Unit Final Unreclaimed Sites Field Sampling and Investigation Plan: UR-54 – East of Main and Gagnon
Mike McAnulty

Final Silver Bow Creek Conservation Area (SBCCA) Butte Reduction Works (BRW) Air Monitoring for Interim Demolition Activities – Phase II Data Summary Report (DSR)
Pioneer Technical Services, Inc.

Final 2023 Reclamation Improvement Sites Sampling: BRES No. 31 – Waste Dump #5 Site Evaluation Summary Report
Pioneer Technical Services, Inc.

Draft Final 2023 Unreclaimed Sites Sampling: UR-43 Site Evaluation Summary Report
Pioneer Technical Services, Inc.

MONTHLY PROGRESS REPORT BUTTE PRIORITY SOILS OPERABLE UNIT CONSENT DECREE PARTIAL REMEDIAL DESIGN/REMEDIAL ACTION AND OPERATION AND MAINTENANCE - September 2026
Atlantic Richfield Company

Re: Approval letter for the Revised Draft Final Butte Priority Soils Operable Unit (BPSOU) Butte Treatment Lagoons (BTL) Quarterly Operation and Maintenance Report: Butte Treatment Lagoon System – First Quarter 2026 (dated September 15, 2026)
Emma Rott

Draft Butte Priority Soils Operable Unit (BPSOU) Silver Bow Creek Conservation Area (SBCCA) Operations and Maintenance (O&M) Plan
Stantec Consulting Services, Inc.

FINAL 2026 Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan
Woodard & Curran

FINAL 2026 Interim Site-Wide Groundwater Monitoring Quality Assurance Project Plan
Woodard & Curran

Butte Priority Soils Operable Unit Draft Final Unreclaimed Sites Field Sampling and Investigation Plan: UR-54 – East of Main and Gagnon
Mike McAnulty

Draft Final 2024 Unreclaimed Sites Sampling: UR-44 Site Evaluation Summary Report
Pioneer Technical Services, Inc.

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Final 2023 Reclamation Improvement Sites Sampling: BRES No. 31 – Waste Dump #5 Site Evaluation Summary Report
Molly Roby

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2023 Reclamation Improvement Sites Sampling: BRES No. 17 – Paymaster Dump Site Evaluation Summary Report
Molly Roby

Re: Comment Letter for the Silver Bow Creek/Butte Area NPL Site Butte Priority Soils Operable Unit, Remedial Design Documents for the Blacktail Creek Area Groundwater Hydraulic Control System (dated July 31, 2026)
Emma Rott

Re: Conditional approval Letter for Butte Priority Soils Operable Unit (BPSOU) Butte Treatment Lagoons (BTL) Hydraulic Capacity Improvements Interim Operations and Water Management Plan (dated September 18, 2026)
Emma Rott

Re: Approval letter for the Butte Priority Soils Operable Unit Draft Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan: BRES No. 1503 – Hornet Addition
Molly Roby

Re: Approval letter for the Butte Priority Soils Operable Unit Draft Final Reclamation Improvement Field Sampling and Investigation Plan: BRES No. 135 – Washoe Sampling Works
Molly Roby

*Updated as of 10/26/26.