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Silver Bow Creek/Butte Area Superfund Site

Submissions from 2023 2023

Approval letter for the Request for Change (RFC) to the Butte Priority Soils Operable Unit (BPSOU) Revised Request for Change (RFC)-BRW-2023-02 to the 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 (dated July 13, 2023), Nikia Greene

Approval of the Butte Priority Soils Operable Unit (BPSOU) Revised Draft Final 2022 Groundwater Monitoring Data Summary Report, January 2022 – December 2021 (dated September 14, 2023), Nikia Greene

Approval of the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Aware Early Head Start – Revision 1 (May 19, 2023), Nikia Greene

Approval of the Final Butte Priority Soils Operable Unit (BPSOU), Draft Final 2023 Draft Interim Site-Wide Surface Water Monitoring, Quality Assurance Project Plan (QAPP) (dated April 4, 2023), Nikia Greene

Approval of the Final Butte Priority Soils Operable Unit (BPSOU), Draft Final Interim 2023 Site-Wide Groundwater Quality Assurance Project Plan (QAPP) (dated April 5, 2023), Nikia Greene

Approval of the Final Butte Priority Soils Operable Unit (BPSOU), Draft Final Interim 2023 Site-Wide Groundwater Quality Assurance Project Plan (QAPP) (dated April 5, 2023), Nikia Greene

Approval of the Final Butte Priority Soils Operable Unit, Revised 2021 Unreclaimed Sites Sampling – Desperation Shaft (UR-34) Site Evaluation Summary Report (March 17, 2023), Nikia Greene

Butte Priority Soils Operable Unit (BPSOU) Final 2022 Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP) Corrective Action Report, Nikia Greene

Comment for the 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 (dated May 15, 2023), Nikia Greene

Comment Letter Butte Priority Soils Operable Unit (BPSOU) Grove Gulch Sedimentation Bay 95% Remedial Design (dated September 22, 2023), Nikia Greene

Comment Letter for 2022 Stormwater BMPs Repair, Inspection Report, and Maintenance Work Plan (dated February 16, 2023, received August 25, 2023), Nikia Greene

Comment letter for: Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoons System – Second Quarter 2022 (dated September 29, 2022), Nikia Greene

Comment letter for: Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoons System – Third Quarter 2022 (dated December 23, 2022), Nikia Greene

Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2022 (dated March 30, 2023), Nikia Greene

Comments for the Butte Priority Soils Operable Unit (BPSOU) Butte Reclamation Evaluation System (BRES) Draft 2022 Corrective Action Plans for Reclaimed Sites (dated July 19, 2023), Nikia Greene

Comments for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – First Quarter 2022 (June 27, 2022), Nikia Greene

Comments for the Draft Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-30 Site Evaluation Summary Report (November 22, 2022), Nikia Greene

Comments for the Draft Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-32 Site Evaluation Summary Report (December 16, 2022), Nikia Greene

Comments for the Draft Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-34 Site Evaluation Summary Report (November 22, 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

Comments for the Draft Residential Metals Abatement Program – Indoor Soil – Investigation Summary Report – Butte High School (received July 5, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust Investigation Summary Report – Butte Career Center Webster Garfield dated (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Butte Central Elementary and Middle School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Butte Central Elementary and Middle School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Butte Central High School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Butte Central High School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Butte High School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Butte High School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Emerson Elementary (May 22, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Emerson Elementary (May 22, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Former Hawthorne School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Former Hawthorne School (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Highland View Christian School (February 2, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Hillcrest Elementary (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Hillcrest Elementary (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior school Dust – Investigation Summary Report – Kennedy Elementary (July 5, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Margaret Leary Elementary (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Margaret Leary Elementary (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Monroe Head Start (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Monroe Head Start (April 12, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Ramsay Elementary_Rev1 (April 26, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Ramsay Elementary_Rev1 (April 26, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior school Dust – Investigation Summary Report – Silver Bow Montessori (July 6, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior school Dust – Investigation Summary Report – Small World Daycare (July 5, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – West Elementary School (May 22, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – West Elementary School (May 22, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Whittier Elementary (April 13, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program – Interior School Dust – Investigation Summary Report – Whittier Elementary (April 13, 2023), Nikia Greene

Comments for the Draft Residential Metals Abatement Program –Interior School Dust – Revised Investigation Summary Report – Aware Early Head Start (May 22, 2023), Nikia Greene

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

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

Comments on the Butte Priority Soils Operable Unit (BPSOU) Draft Blacktail Creek Riparian Actions, Pre-design Investigation Work Plan, Draft Sampling and Analysis Plan (dated January 24, 2023), Nikia Greene

Comments on the Butte Priority Soils Operable Unit (BPSOU) Draft Blacktail Creek Riparian Actions, Pre-design Investigation Work Plan & Uniform Federal Policy- Quality Assurance Project Plan, (dated June 27, 2023), Nikia Greene

Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) 2022 Draft Site- Wide Surface Water Monitoring Data Summary Report (dated April 7, 2023), Nikia Greene

Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) 2022 Groundwater Monitoring Data Summary Report, January 2022 – December 2022 (dated April 10, 2023), Nikia Greene

Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) Buffalo Gulch 60 Percent Design (dated December 9, 2022), Nikia Greene

Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) Buffalo Gulch 60 Percent Design (dated December 9, 2022), Nikia Greene

Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) Clark Tailings Consolidated Waste Management Area Site Investigation Quality Assurance Project Plan (QAPP) (dated June 17, 2022), Nikia Greene

Comments on the Draft Final Butte Priority Soils Operable Unit (BPSOU) Temporary Construction Surface Water Performance Standards Variance Request for Future Remedial Elements (FRESOW) Projects (dated December 7, 2022), Nikia Greene

Comments on the 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 December 27, 2022), Nikia Greene

Comments on the: Response to Comments Butte Priority Soils Operable Unit (BPSOU) Clark Tailings Consolidated Waste Management Area Site Investigation Quality Assurance Project Plan (QAPP) (dated February 28, 2023), Nikia Greene

Conditional approval for the Butte Priority Soils Operable Unit (BPSOU) Butte Reclamation Evaluation System (BRES) 2021 Annual Operations and Maintenance (O&M) Report, 2021 BRES Annual Summary Report for Work Completed in Quadrant 1 (dated November 18, 2022), Nikia Greene

Draft BPSOU Uncontrolled Surface Flow Area Soil Characterization Quality Assurance Project Plan (QAPP), Nikia Greene

Draft Final 2023 Residential Metals Abatement Program (RMAP) Walkerville Park (Alley of North Main and Alley of West Daly) Soil Remedial Action Work Plan (RAWP) (dated February 16, 2023), Nikia Greene

Final Butte Priority Soils Operable Unit, 2021 Insufficiently Reclaimed Sites Sampling Clark Mill Tailings (BRES No. 154) Site Evaluation Summary Report, dated (February 22, 2023), Nikia Greene

Final Butte Priority Soils Operable Unit, 2021 Insufficiently Reclaimed Sites Sampling Colorado Dump (BRES No. 104) Site Evaluation Summary Report (February 21, 2023), Nikia Greene

Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-24 Site Evaluation Summary Report (February 7, 2023), Nikia Greene

Final Butte Priority Soils Operable Unit, 2021 Unreclaimed Sites Sampling UR-33 Site Evaluation Summary Report (February 7, 2023), Nikia Greene

Final Butte Priority Soils Operable Unit (BPSOU) 2021 Unreclaimed Sites Sampling – UR-39 Site Evaluation Summary Report (dated January 4, 2023), Nikia Greene

Re: Approval for: Berkeley Pit and Discharge Pilot Project, Quarterly Pilot Project Report, Fourth Quarter 2022, dated March 6, 2023, Nikia Greene

Re: 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

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Draft Final Insufficiently Reclaimed Areas Quality Assurance Project Plan (QAPP) (dated April 20, 2023), Nikia Greene

Re: 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

Re: 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

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) 2023 Residential Metals Abatement Program Helehan Borrow Submittal #1 (dated August 15, 2023), Nikia Greene

Re: 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

Re: 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

Re: 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

Re: 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

Re: 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

Re: 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

Re: 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

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Residential Metals Abatement Program (RMAP) Park Field Sampling Plan (FSP) Submittal #9 [Covering Centerville Skating Rink, Belmont Senior Citizens Center, High Altitude Skating Rink, Missoula Gulch Ballfield Play Area, MAC Facilities, Butte Family YMCA, Church of Christ, and Montana Tech South Campus] (dated June 22, 2023), Nikia Greene

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 8 (Covering Goldhill Lutheran Church [Creativity Factory Preschool] and United Congregational [Crayon Academy Preschool]) (dated June 30, 2023), Nikia Greene

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Residential Metals Abatement Program (RMAP) Peoples Park Soil Remedial Action Work Plan (dated November 2, 2023), Nikia Greene

Re: Approval letter for the Butte Priority Soils Operable Unit (BPSOU) Revised 2023 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 8 – Gold Hill Lutheran Church (Creativity Factory Preschool) and United Congregational (Crayon Academy Preschool) (dated July 26, 2023), Nikia Greene

Re: Approval letter for the Butte Priority Soils Operable Unit, Superfund Stormwater Operation and Maintenance (O&M); Mountain Con SW Channel Diversion, Request for Change (RFC)-BSB Sitewide-2023-001 (dated June 29, 2023), Nikia Greene

Re: Approval letter for the Request for Change (RFC) to the Butte Priority Soils Operable Unit (BPSOU) Request for Change (RFC)-BRW-2023-03 to the Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP) (Phase III) (dated June 29, 2023)., Nikia Greene

Re: Approval letter for the Request for Change (RFC) to the Butte Priority Soils Operable Unit (BPSOU) Revised Request for Change (RFC)-BRW-2023-02 to the 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 (dated July 13, 2023), Nikia Greene

Re: Approval of Quality Assurance Project Plan, 2023 [QAPP] – Butte Mine Flooding Operable Unit, Long-Term Monitoring Program; dated November 30, 2022, Nikia Greene

Re: Comment letter for the Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2022 (dated March 30, 2023), Nikia Greene

Re: Comments for the Draft Residential Metals Abatement Program – Indoor Soil – Investigation Summary Report – Butte High School (received July 5, 2023), Nikia Greene

Re: Comments on the Butte Priority Soils Operable Unit (BPSOU) Draft Blacktail Creek Riparian Actions, Pre-design Investigation Work Plan & Uniform Federal Policy- Quality Assurance Project Plan, (dated June 27, 2023), Nikia Greene

Re: Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) 2022 Draft Site- Wide Surface Water Monitoring Data Summary Report (dated April 7, 2023), Nikia Greene

Re: Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) 2022 Groundwater Monitoring Data Summary Report, January 2022 – December 2022 (dated April 10, 2023), Nikia Greene

Re: Comments on the Draft Butte Priority Soils Operable Unit (BPSOU) Buffalo Gulch 60 Percent Design (dated December 9, 2022), Nikia Greene

Re: Conditional approval for the Butte Priority Soils Operable Unit (BPSOU) Butte Reclamation Evaluation System (BRES) 2021 Annual Operations and Maintenance (O&M) Report, 2021 BRES Annual Summary Report for Work Completed in Quadrant 1 (dated November 18, 2022), Nikia Greene

Approval Page - Butte Priority Soils Operable Unit Residential Metals Abatement Program - Field Sampling Plan - Goldhill Lutheran Church and United Congregational - Indoor Dust, Nikia Greene, Daryl Reed, and Eric Hassler

2023 REVISED OPERATION AND MAINTENANCE PLAN Railroad Stormwater Best Management Practices within Butte Priority Soils Operable Unit for BNSF Railway Company and Union Pacific Railroad, Kennedy Jenks

2023 REVISED OPERATION AND MAINTENANCE PLAN Railroad Stormwater Best Management Practices within Butte Priority Soils Operable Unit for BNSF Railway Company and Union Pacific Railroad, Kennedy Jenks