Submissions from 2025
Butte Medical Monitoring Working Group Meeting, Mike McAnulty and Eric Hassler
Butte Priority Soils Operable Unit (BPSOU) Revised Butte Hill Revegetation Specifications, Mike McAnulty and Eric Hassler
RE: Medical Monitoring Working Group Meeting Minutes, Mike McAnulty and Eric Hassler
RE: Medical Monitoring Working Group Meeting Minutes, Mike McAnulty and Eric Hassler
RESPONSE TO EPA COMMENTS DATED SEPTEMBER 29, 2025 FOR THE BLACKTAIL CREEK RIPARIAN ACTIONS DRAFT PRELIMINARY (30%) REMEDIAL DESIGN REPORT, SILVER BOW CREEK/BUTTE AREA SUPERFUND SITE SILVER BOW COUNTY, MONTANA, Montana Department of Environmental Quality
2025 Draft Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
2025 Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
2025 Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
2025 Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
2025 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, Pioneer Technical Services, Inc.
2025 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, Pioneer Technical Services, Inc.
2025 Revised Draft Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
2025 Revised Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
Blacktail Creek Energy Laboratories Metals & Mercury Laboratory Analysis Results with HGL 2B Data Validation Qualifiers, Pioneer Technical Services, Inc.
Butte Reduction Works (BRW) Phase II Interim Demolition Plan Construction Drawings and Floodplain Encroachment Analysis, Pioneer Technical Services, Inc.
Draft Final 2021-2022 Residential Metals Abatement Program (RMAP) Butte School District No. 1 (West Elementary School and Butte High School) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 16 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Insufficiently Reclaimed Sites Sampling BRES No. 30 – Atlantic 1 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 50 – Zelia Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 96 – Washoe Dump Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Unreclaimed Sites Sampling: UR-06 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Unreclaimed Sites Sampling: UR-12 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Unreclaimed Sites Sampling: UR-20 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Unreclaimed Sites Sampling: UR-22 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2022 Unreclaimed Sites Sampling: UR-28 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2023 Residential Metals Abatement Program (RMAP): Koprivica Park Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Draft Final 2024 BPSOU Subdrain Data Summary Report (DSR), Pioneer Technical Services, Inc.
Draft Final 2024 Residential Metals Abatement Program (RMAP) Baptist Student Union (former McKinley School) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Draft Final 2024 Residential Metals Abatement Program (RMAP): Walkerville Park (Walkerville Drive & Ryan Road) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Butte KOA Playground Soil Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP): CCCS Gymnasium Soil Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Non-Residential Daycare Soil Sampling: Field Sampling Plan (FSP) Submittal #15 [Mini Scholars Discovery Academy, Hands on Learning Childcare, Kidz Konnection, Young Explorers, & University on Princeton], Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) Annual Update (Non-Residential Parcels and Residential Daycares), Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) Annual Update (Non-Residential Parcels and Residential Daycares), Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) Annual Update (Residential Parcels), Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) Annual Update (Residential Parcels), Pioneer Technical Services, Inc.
Draft Final 2025 Residential Metals Abatement Program (RMAP) Rock Creek Cattle Company Borrow Submittal #1, Pioneer Technical Services, Inc.
Draft Final BPSOU Insufficiently Reclaimed Sites BRES No. 158 - Waste Rock Dump Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Draft Final BPSOU Insufficiently Reclaimed Sites Josephine Shaft (IR-37) Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Draft Final BPSOU Unreclaimed Sites UR-05 Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Draft Final Butte Mine Waste Repository Geotechnical Investigation Work Plan, Pioneer Technical Services, Inc.
Draft Final Butte Priority Soils Operable Unit (BPSOU) Insufficiently Reclaimed Sites Remedial Action Work Plan (RAWP): BRES No. 104 (Colorado Dump) North Slope, Pioneer Technical Services, Inc.
Draft Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites: UR-03 Site Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Draft Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites UR-46 Temporary Best Management Practices Work Plan, Pioneer Technical Services, Inc.
Draft Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed (UR) Sites New and Mahoney (UR-23) Construction Completion Report (CCR), Pioneer Technical Services, Inc.
Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – First Quarter 2025, Pioneer Technical Services, Inc.
Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2024, Pioneer Technical Services, Inc.
Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2024, Pioneer Technical Services, Inc.
Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Second Quarter 2025, Pioneer Technical Services, Inc.
Draft Final Quarterly Operations and Maintenance Report: Butte Treatment Lagoon System – Third Quarter 2025, Pioneer Technical Services, Inc.
Draft Final Silver Bow Creek Conservation Area Repository Data Gap Data Summary Report (DSR), Pioneer Technical Services, Inc.
Draft Final - Silver Bow Creek Conservation Area (SBCCA) Butte Reduction Works (BRW) Air Monitoring for Interim Demolition Activities – Phase I Data Summary Report (DSR), Pioneer Technical Services, Inc.
Draft Final Silver Bow Creek Conservation Area (SBCCA) Construction Quality Assurance Plan (CQAP), Pioneer Technical Services, Inc.
Final 2025 Residential Metals Abatement Program (RMAP) Butte KOA Playground Soil Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Final 2025 Residential Metals Abatement Program (RMAP) CCCS Gymnasium Soil Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Final 2025 Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) Annual Update (Non-Residential Parcels and Residential Daycares), Pioneer Technical Services, Inc.
Final 2025 Residential Metals Abatement Program (RMAP) Quality Assurance Project Plan (QAPP) Annual Update (Residential Parcels), Pioneer Technical Services, Inc.
Final 2025 Residential Metals Abatement Program (RMAP) Rock Creek Cattle Company Borrow Submittal #1, Pioneer Technical Services, Inc.
Final Annual Operations and Maintenance (O&M) Report: Butte Treatment Lagoon (BTL) System – 2024, Pioneer Technical Services, Inc.
Final BPSOU Unreclaimed Sites: UR-05 Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Final Butte Mine Waste Repository Geotechnical Investigation Work Plan, Pioneer Technical Services, Inc.
Final Butte Mine Waste Repository Geotechnical Investigation Work Plan, Pioneer Technical Services, Inc.
Final Butte Mine Waste Repository Geotechnical Investigation Work Plan, Pioneer Technical Services, Inc.
Final Butte Priority Soils Operable Unit (BPSOU) Insufficiently Reclaimed Sites Remedial Action Work Plan (RAWP): BRES No. 104 (Colorado Dump) North Slope, Pioneer Technical Services, Inc.
Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites: UR-03 Site Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed (UR) Sites: UR-35 Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Final Butte Treatment Lagoons (BTL) Groundwater Treatment System Routine Operations, Maintenance, and Monitoring (OM&M) Plan, Pioneer Technical Services, Inc.
Final Horseshoe Bend Effluent Line (HBEL) Discharge Structure Surface Enhancements Work Plan, Pioneer Technical Services, Inc.
Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – First Quarter 2024, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2023, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2024, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Second Quarter 2023, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Second Quarter 2024, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Third Quarter 2022, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Third Quarter 2023, Pioneer Technical Services, Inc.
Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Third Quarter 2024, Pioneer Technical Services, Inc.
Final Silver Bow Creek Conservation Area (SBCCA) Butte Reduction Works (BRW) Air Monitoring for Interim Demolition Activities – Phase I Data Summary Report (DSR), Pioneer Technical Services, Inc.
Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.
RE: Draft Final 2023 Residential Metals Abatement Program (RMAP) Butte-Silver Bow Parks Soil Remedial Action Construction Completion Report (CCR), Pioneer Technical Services, Inc.
Revised Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 158 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 30 – Atlantic-1 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 32 – Corra 2 Dump Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 37 – Josephine Shaft Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 37 – Josephine Shaft Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Insufficiently Reclaimed Sites Sampling: BRES No. 38 – Sister Dump Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Unreclaimed Sites Sampling: UR-06 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Unreclaimed Sites Sampling: UR-12 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Unreclaimed Sites Sampling: UR-13 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Unreclaimed Sites Sampling: UR-20 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final 2022 Unreclaimed Sites Sampling: UR-22 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Revised Draft Final Annual Operations and Maintenance (O&M) Report: Butte Treatment Lagoon (BTL) System – 2023, Pioneer Technical Services, Inc.
Revised Draft Final BPSOU Unreclaimed Sites: UR-05 Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Revised Draft Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites: UR-03 Site Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Revised Draft Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites: UR-08 (Anderson Shaft) Remedial Action Work Plan (RAWP), Pioneer Technical Services, Inc.
Revised Draft Final Butte Treatment Lagoons (BTL) Groundwater Treatment System Routine Operations, Maintenance, and Monitoring (OM&M) Plan, Pioneer Technical Services, Inc.
Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – First Quarter 2024, Pioneer Technical Services, Inc.
Revised Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Second Quarter 2024, Pioneer Technical Services, Inc.