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Submissions from 2024
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU), Draft 2024 Residential Metals Abatement Program Investigation Summary Report (Non-Residential – Interior Dust) After the Bell Child Care Center (dated April 25, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2024 Helehan Borrow Material Submittal #2 (dated March 12, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2024 Residential Metals Abatement Program Mandan Park Soil RAWP (dated May 10, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2024 Residential Metals Abatement Program Park Soil Sampling Field Sampling Plan Submittal #13 [Copper Mountain Park] (dated May 10, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2024 Residential Metals Abatement Program Park Soil Sampling Field Sampling Plan Submittal #14 [Silver Bow Homes Park, Butte KOA, Fairmont RV Park, and CCCS Gymnasium] (dated May 10, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2024 Type B Borrow Material Submittal #2 (dated February 14, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Borrow Amendment Submittal #1 (dated May 9, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU), Draft Final Residential Metals Abatement Program Investigation Summary Report (Non-Residential – Interior School Dust) - Gold Hill Lutheran Church (Creativity Factory Preschool) (dated April 8, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Revised Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) (Residential Parcels) (dated June 7, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Unreclaimed Sites Field Sampling Plan (FSP) Package #11: UR-49 and UR-50 (dated May 6, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU), Draft Residential Metals Abatement Program Construction Completion Report (Non-Residential Parcels – Indoor Dust) – Kennedy Elementary (dated April 17, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Residential Metals Abatement Program Construction Completion Report (Non‐Residential Parcels – Indoor Dust) – Silver Bow Montessori (dated April 25, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU), Draft Residential Metals Abatement Program Construction Completion Report (Non-Residential Parcels - Indoor Dust) – Small World Daycare (dated April 17, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Residential Metals Abatement Program (RMAP) – Interior School Dust – Investigation Summary Report (ISR) – Kennedy Elementary School Post-Remedial Action Surface Dust Sampling (dated June 12, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Final BPSOU Insufficiently Reclaimed Sites Belle of Butte (BRES No. 8 & UR-39) Remedial Action Work Plan (RAWP) Request for Change IR-2024-RA-02 (dated December 19, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Request for Change (RFC-RMAP-2024-001) (dated May 9, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Residential Daycares Field Sampling Plan (FSP) – Submittal R- 04941 and R-04947 (dated November 5, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Insufficiently Reclaimed Sites Field Sampling Plans (FSPs) and Response to Agency Comments – BRES No. 34E Eveline Dump East, BRES No. 52 Moscow Dump (dated August 13, 2024) and the BRES No. 78 Original Mine Yard (updated on September 6, 2024), Molly Roby
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites and Insufficiently Reclaimed Areas – Racetrack Borrow Material Usage (dated December 19, 2024), Molly Roby
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Re: Approval letter with comments for the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) for BRES No. 181 – Mountain Con-3 Dump (dated October 4, 2024), Molly Roby
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Re: Approval of the Butte Priority Soils Operable Unit Residential Metals Abatement Program Yard Submittals (dated April 24, 2024) and Draft RMAP Remedial Action Work Plan (dated May 7, 2024), Molly Roby
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Re: Comment Letter for Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Individual Site Work Plan (ISWP) Attic Remediation – 3 Pintlar Peaks Dr. (dated October 24, 2024), Molly Roby
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Re: Comment Letter for Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Plan (dated October 29, 2024), Molly Roby
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Re: Comment Letter for Final BPSOU Insufficiently Reclaimed Sites Belle of Butte (BRES No. 8 & UR-39) Remedial Action Work Plan (RAWP) Request for Change IR-2024-RA-01 (dated December 3, 2024), Molly Roby
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Butte Hill Revegetation Specifications (dated September 2024), Molly Roby
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP) for BRES No. 120 – Bonanza Dump (dated July 22, 2024), Molly Roby
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Re: Comments for the Butte Priority Soils Operable Unit (BPSOU) Butte Reclamation Evaluation System (BRES) Draft 2023 BRES Field Evaluation Summary Report and Technical Recommendations Proposal (dated November 15, 2023) and 2023 Corrective Action Plans for Reclaimed Sites (dated January 31, 2024), Molly Roby
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Re: Comments for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP) (dated February 26, 2024), Molly Roby
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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
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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Residential Metals Abatement Program (RMAP) (Non-Residential) - Interior School Dust - Investigation Summary Report–– Emerson Elementary (dated October 13, 2023), Emma Rott
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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2022 (dated July 3, 2024), Emma Rott
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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System -Third Quarter 2022 (dated November 16, 2023), Emma Rott
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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Third Quarter 2023 (dated October 15, 2024), Emma Rott
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Comment Letter for Butte Reduction Works (BRW) Phase II Interim Demolition Plan Construction Drawings and Floodplain Encroachment Analysis (dated September 3, 2024), Emma Rott
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Comment Letter for Draft Final BPSOU Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – First Quarter 2024 (dated June 26, 2024), Emma Rott
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Comment Letter for Draft Final BPSOU Quarterly Operations and Maintenance Report Butte Treatment Lagoon System-Second Quarter 2024 (dated September 27, 2024), Emma Rott
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Comment Letter for Draft Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP) (dated September 25, 2024), Emma Rott
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Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – United Congregational (Crayon Factory Preschool) (dated November 16, 2023), Emma Rott
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Re: Approval Letter Butte Priority Soils Operable Unit Resubmittal of the Grove Gulch Sedimentation Bay 100% Remedial Design (submitted on July 10, 2024), Emma Rott
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Butte Reduction Works (BRW) Phase II Interim Demolition Plan Construction Drawings and Floodplain Encroachment Analysis (dated November 27, 2024), Emma Rott
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2023 (dated March 28, 2024), Emma Rott
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Construction Completion Report (Non-Residential Parcels – Indoor Soil) – Butte High School (dated February 12, 2024), Emma Rott
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request of Change BRW-2024-01 (dated August 30, 2024)., Emma Rott
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Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Second Quarter 2023 (dated October 15, 2024), Emma Rott
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Re: Approval of the Draft Final Silver Bow Creek Conservation Area Repository and Haul Route Quality Assurance Project Plan (QAPP) (dated June 10, 2024), Emma Rott
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Re: Comment Letter for BPSOU Draft Phase I Design Investigation Evaluation Report (dated September 25, 2024), Emma Rott
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Re: Comment Letter for Draft BPSOU 2023 Groundwater Data Summary Report (dated May 31, 2024), Emma Rott
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Re: Comment Letter for Draft BPSOU 2023 Site-wide Surface Water Data Summary Report (dated May 31, 2024), Emma Rott
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Re: Comment Letter for Draft Clark Tailings Consolidated Waste Management Area (CTCWMA) Site Investigation Draft Data Summary Report 2019-2023 (dated October 3, 2024), Emma Rott
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Diggings East 60% Remedial Design Package Submittal (dated April 23, 2024), Emma Rott
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Butte Treatment Lagoons Stress Test Pre-Design Investigation Work Plan (dated June 17, 2024), Emma Rott
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2023 BPSOU Subdrain Data Summary Report (dated May 1, 2024), Emma Rott
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Annual Operations and Maintenance Report Butte Treatment Lagoon System – 2023 (dated May 28, 2024), Emma Rott
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Re: Comment Letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Blacktail Creek Groundwater Hydraulic Control System Pre-Design Investigation Evaluation Report (dated September 16, 2024), Emma Rott
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Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Silver Bow Creek Conservation Area (SBCCA) Technical Specifications 60 Percent Submittal (dated April 24, 2024), Emma Rott
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Re: Comment Letter for the Draft Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan (QAPP) for Microbial Analysis and Biotreatability Study (dated October 10, 2024), Emma Rott
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Re: Comments on the 2024 Draft Final Butte Priority Soils Operable Unit (BPSOU) Interim Site- Wide Groundwater Monitoring Quality Assurance Project Plan (QAPP) (dated November 29, 2023), Emma Rott
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Re: Comments on the Repository and Haul Route Geotechnical Pre-Design Investigation Work Plan (dated March 29, 2024), Repository and Proposed Haul Route – Silver Bow Creek Conservation Area Quality Assurance Project Plan (dated March 29, 2024), and Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan (dated March 22, 2024), Emma Rott
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Re: Conditional approval letter for the Butte Priority Soils Operable Unit (BPSOU) Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request of Change BRW-2024-01 (dated August 9, 2024)., Emma Rott
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Re: Conditional approval letter for the Butte Priority Soils Operable Unit (BPSOU) Silver Bow Creek Conservation Area Repository Data Gap Quality Assurance Project Plan Request for Change to Install Additional Test Pits and Perform Material Characterization (dated August 28, 2024), Emma Rott
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2024 Draft Blacktail Creek Remediation and Contaminated Groundwater Hydraulic Control Site Pre-Design Investigation Work Plan, Stantec Consulting Services, Inc.
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APPENDIX D COMPARISON OF HISTORICAL COC RESULTS TO GROUNDWATER REMEDIAL GOALS, Stantec Consulting Services, Inc.
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BLACKTAIL CREEK (BTC) PUMPING TEST INTERPRETATION TECHNICAL MEMORANDUM, Stantec Consulting Services, Inc.
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Draft Final Blacktail Creek Groundwater Hydraulic Control System Pre-Design Investigation Evaluation Report, Stantec Consulting Services, Inc.
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GROUNDWATER MODEL TECHNICAL MEMORANDUM, Stantec Consulting Services, Inc.
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Response to Agency Comments on the Butte Priority Soils Operable Unit (BPSOU) Draft Blacktail Creek Groundwater Hydraulic Control System Pre-Design Investigation Evaluation Report Prepared for Atlantic Richfield Company By Stantec Consulting Services, Inc. Dated September 12, 2024 Date of Comments: February 1, 2024, Stantec Consulting Services, Inc.
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2024 Spring Migration Seasonal Report for Berkeley Pit Waterfowl Protection Plan, Mark Thompson and Loren Burmeister
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July 2024 Berkeley Pit Migratory Waterfowl Protection Monthly Report, Mark Thompson and Loren Burmeister
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June 2024 Berkeley Pit Migratory Waterfowl Protection Monthly Report, Mark Thompson and Loren Burmeister
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May 2024 Berkeley Pit Migratory Waterfowl Protection Monthly Report, Mark Thompson and Loren Burmeister
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RFC-Berkeley Pit WPP-2024-02, Mark Thompson and Loren Burmeister
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Berkeley Pit and Discharge Pilot Project Temperature Evaluation, 2023 Update, Mark Thompson and Dave Griffis
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Butte Mine Flooding Operable Unit Berkeley Pit and Discharge Pilot Project - July 2024 MOnthly Discharge Monitoring Report, Mark Thompson and Dave Griffis
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Butte Mine Flooding Operable Unit Berkeley Pit and Discharge Pilot Project - May 2024 Monthly Discharge Monitoring Report, Mark Thompson and Dave Griffis
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BUTTE MINE FLOODING SITE CD, CV 02-35 Bu-RFC, 2024 Second Quarter Report, Mark Thompson and Dave Griffis
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Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Yard Submittals Round 2 (dated July 25, 2024), Brandon Warner
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Clark Tailings Consolidated Waste Management Area (CTCWMA) Site Investigation Draft Data Summary Report 2019 Surface Water, Groundwater Seep, and Soil Characterization 2021-2023 Surface Water and Groundwater Seep Evaluation 2023 Waterloo APS Soil and Groundwater Evaluation, Woodard & Curran
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Draft Final 2024 Residential Metals Abatement Program (RMAP) Residential Daycares Field Sampling Plan (FSP) Submittal R-04941 and R-04947, Woodard & Curran
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Grove Gulch Sedimentation Bay Final Remedial Design Report, Woodard & Curran
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Health and Safety Plan (HASP) Butte Priority Soils Operable Unit, Woodard & Curran
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BMFOU Pilot Project RFC - REQUEST FOR CHANGE, WSP Environment & Infrastructure, Inc.; Nikia Greene; and Daryl Reed
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Berkeley Pit and Discharge Pilot Project Discharge System Operations Assurance Plan 2024 Update, Revision 1, WSP Environment & Infrastructure, Inc. and Pioneer Technical Services, Inc.
Submissions from 2023
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Comment Letter for Draft BPSOU Uncontrolled Surface Flow Areas Remedial Design (RD) Work Plan and Draft BPSOU Uncontrolled Surface Flow Areas Pre-Design Investigation (PDI) Work Plan (dated August 31, 2023), Atlantic Richfield Company
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Revised Final Multi-Pathway Residential Metals Abatement Program Plan, Atlantic Richfield Company and Butte Silver Bow
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2022 Stormwater BMPs Repair, Inspection Report, and Maintenance Work Plan BNSF Railway Company and Union Pacific Railroad Company Butte Priority Soils Operable Unit KJ 2299019.00, Doug Brannan P.E.
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BNSF and Union Pacific Butte Priority Soils Operating Unit Activity Report - August 2023 Unilateral Administrative Order-Docket No. CERCLA 08-2011-0011 KJ 2399019*00, Doug Brannan P.E.
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BNSF and Union Pacific Butte Priority Soils Operating Unit Activity Report - July 2023 Unilateral Administrative Order-Docket No. CERCLA 08-2011-0011 KJ 2399019*00, Doug Brannan P.E.
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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.
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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.
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Subject: BNSF and Union Pacific Butte Priority Soils Operating Unit Activity Report - August 2023 Unilateral Administrative Order-Docket No. CERCLA 08-2011-0011 KJ 2399019*00, Doug Brannan P.E.
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Subject: BNSF and Union Pacific Butte Priority Soils Operating Unit Activity Report - July 2023 Unilateral Administrative Order-Docket No. CERCLA 08-2011-0011 KJ 2399019*00, Doug Brannan P.E.
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2022 Stormwater BMPs Repair, Inspection Report, and Maintenance Work Plan BNSF Railway Company and Union Pacific Railroad Company Butte Priority Soils Operable Unit KJ 2299019.00, Doug Brannan P.E. and Kennedy Jenks
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Approved Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request for Change BRW-2023-01, Josh Bryson
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Approved Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan (QAPP) for Microbial Analysis and Biotreatability; Request for Change BRW-2023-02, Josh Bryson
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BPSOU Buffalo Gulch Forebay Parcel 2023 Expedited Well Abandonment Plan, Josh Bryson
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Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request for Change BRW-2023-01, Josh Bryson
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Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request for Change BRW-2023-03, Josh Bryson
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Final Approved Request for Change BG-2023-01 to Final BPSOU Hydrocarbon Sampling and Treatability Study Quality Assurance Project Plan (QAPP), Josh Bryson
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Final Butte Reduction Works (BRW) Phase III Quality Assurance Project Plan (QAPP) Request for Change BRW-2023-03, Josh Bryson
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Silver Bow Creek Butte Area NPL Site 1st Quarter 2023 Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson
