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Submissions from 2023

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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

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Silver Bow Creek Butte Area NPL Site 2024 Draft Final Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Quality Assurance Project Plan. Consent Decree - Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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Silver Bow Creek Butte Area NPL Site 2nd 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

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Silver Bow Creek Butte Area NPL Site 2nd 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

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Silver Bow Creek Butte Area NPL Site 3rd 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

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Silver Bow Creek Butte Area NPL Site Fall Semi-Annual 2022 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

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Silver Bow Creek Butte Area NPL Site Spring Semi-Annual 2023 Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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2024 Update, Butte Mine Flooding Operable Unit, Quality Assurance Project Plan, Ver 3, and Crosswalk, Ted Duaime

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Remedial Action Work Plan - East Middle School, Environmental Protection Agency

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Butte High School, Environmental Protection Agency

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Silver Bow Montessori School, Environmental Protection Agency

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2023 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 9 - Montana Technological University (Prospector Residence Hall), Environmental Resource Management (ERM)

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2023 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Interior Soils - Silver Bow Montessori, Environmental Resource Management (ERM)

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Draft - Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Butte High School, Environmental Resource Management (ERM)

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Draft - Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Emerson Elementary School, Environmental Resource Management (ERM)

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Draft - Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Former Hawthorne School, Environmental Resource Management (ERM)

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Draft - Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Monroe Head Start Preschool, Environmental Resource Management (ERM)

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Draft - Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Ramsay Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program – Interior School Dust – Remedial Action Work Plan – East Middle School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Aware Early Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Aware Early Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Aware Early Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Aware Early Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Aware Early Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Butte Central Elementary and Middle School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Butte Central Elementary and Middle School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Butte Central High School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Butte High School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) East Middle School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Emerson Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Former Hawthorne School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Former Hawthorne School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Highland View Christian School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Highland View Christian School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Highland View Christian School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Hillcrest Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Kennedy Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Kennedy Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Kennedy Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Lincoln Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Lincoln Head Start, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Margaret Leary Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Margaret Leary Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Margaret Leary Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Monroe Head Start Preschool, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Monroe Head Start Preschool, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Ramsay Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Ramsay Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) Ramsay Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Silver Bow Montessori School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non- Residential Parcels – Indoor Dust) West Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - West Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) West Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) West Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - Whittier Elementary School, Environmental Resource Management (ERM)

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Soil) - Silver Bow Montessori, Environmental Resource Management (ERM)

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2021 RMAP NON-RESIDENTIAL PARCELS DATA SUMMARY REPORT SILVER BOW CREEK/BUTTE AREA NPL SITE BPSOU, Environmental Standards, Inc. and Pioneer Technical Services, Inc.

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Final Revised Residential Metals Abatement Program (RMAP) (Non-Residential Parcels) 2021 DATA SUMMARY REPORT (DSR), Environmental Standards, Inc. and Pioneer Technical Services, Inc.

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2023 Draft Final Butte Priority Soils Operable Unit (BPSOU) Interim Site-Wide Groundwater Monitoring Quality Assurance Project Plan (QAPP) (dated November 29, 2022), Nikia Greene

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2023 Draft Final Butte Priority Soils Operable Unit (BPSOU) Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan (QAPP) (dated November 30, 2022), Nikia Greene

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Approval for: Discharge System 2022 Annual Operations and Maintenance Report, Berkeley Pit and Discharge Pilot Project, dated May 26, 2023, Nikia Greene

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Approval for Draft Final 2022 Annual Monitoring Report for the Rocker Timber Framing and Treating Plant Operable Unit; dated April 6, 2023, Nikia Greene

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Approval for: Draft Final Fourth Quarter 2022, Operations & Maintenance Monitoring Report for the Rocker Timber Framing and Treating Plant Operable Unit; dated January 10, 2023., Nikia Greene

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Approval for Quality Assurance Project Plan, 2023, Butte Mine Flooding Operable Unit and Butte Priority Soils Operable Unit, Private Well Monitoring Program, dated November 2022, Nikia Greene

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Approval for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Stodden Park Soil Remedial Action Work Plan (RAWP) (dated August 8, 2023), Nikia Greene

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Approval for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Stodden Park Soil Remedial Action Work Plan (RAWP) (dated August 8, 2023), Nikia Greene

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Approval for the Request for Change BG-2023-01 to Final BPSOU Hydrocarbon Sampling and Treatability Study, Quality Assurance Project Plan (QAPP) (dated May 15, 2023), Nikia Greene

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Approval letter for: Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoons System – First Quarter 2021 (dated March 22, 2023), Nikia Greene

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Approval letter for: Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoons System – Fourth Quarter 2021 (dated March 22, 2023), Nikia Greene

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Approval letter for: Draft Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Organic Pollutant Surface Water Sampling Quality Assurance Project Plan (QAPP) (dated March 31, 2023), Nikia Greene

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Approval letter for: Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-03 Site Evaluation Summary Report (February 7, 2023), Nikia Greene

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Approval letter for: Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-35 Site Evaluation Summary Report (February 7, 2023), Nikia Greene

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Approval letter for: Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-36 Site Evaluation Summary Report (February 7, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit, 2021 Unreclaimed Site Sampling – Revised Clark Mill Tailings East (UR-40) Site Evaluation Summary Report (March 28, 2023), Nikia Greene

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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

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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

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2022 Residential Metals Abatement Program (Non-Residential Parcels-Indoor Soil) Butte High School Indoor Soils Investigation Summary Report (ISR) (dated August 7, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2022 Subdrain Data Summary Report Plan (DSR) (July 7, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Draft Final Residential Metals Abatement Program (RMAP), Quality Assurance Project Plan (QAPP), Non-Residential Parcels (dated June 7, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP) (dated May 05, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Final Unreclaimed Sites Quality Assurance Project Plan and BPSOU 2023 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan; RFC 2023-02 (dated September 18, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Baptist Student Union Soil Remedial Action Work Plan (RAWP) (dated August 8, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Borrow Amendment Work Plan (WP) (dated August 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Copper/Emmett Park Soil Remedial Action Work Plan (RAWP) (dated May 17, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Gold Hill Lutheran Church (containing the Creativity Factory Preschool) Soil Remedial Action Work Plan (RAWP) (dated August 8, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 9 - Montana Technological University (Prospector Residence Hall) (dated September 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Buffalo Gulch Forebay Parcel 2023 Expedited Well Abandonment Plan (dated August 21, 2023, Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Buffalo Gulch Request for Change (RFC)-2023-04 (dated October 4, 2023) to the Final Buffalo Gulch Soil Characterization Sampling and Analysis Plan (dated October 18, 2018), Nikia Greene

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Approval Letter for the Butte Priority Soils Operable Unit (BPSOU) Butte Reclamation Evaluation System (BRES) Draft 2021 Corrective Action Plans for Reclaimed Sites (dated November 2, 2022), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Clark Tailings Consolidated Waste Management Area (CTCWMA) Quality Assurance Project Plan (QAPP) (dated July 31, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2023 Residential Metals Abatement Program Borrow Amendment Work Plan (dated January 12, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final 2023 Residential Metals Abatement Program (RMAP) Racetrack Borrow Submittal (dated May 26, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 134 – Star West Dump (dated July 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 174 – Buffalo Ditch (dated July 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 17 – Paymaster (dated July 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 31 – Waste Dump #5 (dated July 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 48 – Old Glory West (dated July 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 66 – West Ruby Dump (dated July 25, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (FSP) BRES No. 84 – Mandan Park Play Area (dated July 31, 2023), Nikia Greene

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Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Residential Metals Abatement Program (RMAP) Park Field Sampling Plan (FSP) Submittal #11 [Covering Montana Technological University – North Campus] (dated July 23, 2023), Nikia Greene