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Submissions from 2022

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Atlantic Richfield Response to Comments BPSOU Draft Final Data Management Plan, Atlantic Richfield Company

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Butte Priority Soils Operable Unit (BPSOU) 2022 Data Management Plan (Dated April 2022), Atlantic Richfield Company

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Butte Priority Soils Operable Unit (BPSOU) Silver Bow Creek/Butte Area NPL Site, Atlantic Richfield Company

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Butte Priority Soils Operable Unit (BPSOU) Silver Bow Creek/Butte Area NPL Site, Atlantic Richfield Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Atlantic Richfield Company and Pioneer Technical Services, Inc.

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Butte Priority Soils Operable Unit (BPSOU) 2022 Final Data Management Plan (Dated February 2022), Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) 2022 Final Data Management Plan (Dated February 2022), Josh Bryson

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Revised Silver Bow Creek Butte Area NPL Site 2022 Final Butte Priority Soils Operable Unit Interim Site-Wide Surface Water 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 1st Quarter 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 BUTTE PRIORITY SOILS OPERABLE UNIT, Josh Bryson

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Request for Change (RFC) to the Draft Ground Water Monitoring Well Installation Plan (RFC-BPSOU-2022-04), Josh Bryson and TREC Inc., A Woodard and Curran Company

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APPROVAL PAGE Butte Priority Soils Operable Unit Residential Metals Abatement Program Field Sampling Plan Aware Early Head Start, Lincoln Head Start, Highland View Christian School, Silver Bow Montessori, and Small World Day Care – Indoor Dust, Environmental Resource Management (ERM)

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Draft 2022 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 1, Environmental Resource Management (ERM)

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Draft 2022 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) Butte High School – Indoor Soil, Environmental Resource Management (ERM), Elsie King, and Christopher Berg

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APPROVAL PAGE Butte Priority Soils Operable Unit Residential Metals Abatement Program Field Sampling Plan Butte High School – Indoor Soil, Environmental Resource Management (ERM), Daryl Reed, Nikia Greene, Eric Hassler, and Mike McAnulty

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Environmental Standards, Inc. and Pioneer Technical Services, Inc.

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Revised Lead and Arsenic Enrichment Study, Environmental Standards, Inc.; Ramboll; and Mike McAnulty

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK, Nikia Greene

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RE: Butte High School Indoor Soil FSP - Informal Agency Review Copy, Nikia Greene

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Fourth Quarter 2021., Dave Griffis

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Butte Priority Soils Operable Unit (BPSOU) Draft 2021 Site-Wide Surface Water Monitoring Data Summary Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Adrian Kien

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RE: 2021 Butte Priority Soils Operable Unit (BPSOU) Draft Groundwater Monitoring Data Summary Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Adrian Kien

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2022 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) Butte High School – Indoor Soil, Elsie King, Christopher Berg, and Thomas J. Beckman

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2022 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 2 West Elementary, Elsie King, Christopher Berg, and Thomas J. Beckman

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2022 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 3 - Butte High School/Annex, Elsie King, Christopher Berg, and Thomas J. Beckman

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2022 Residential Metals Abatement Program (RMAP) Field Sampling Plan (FSP) – Indoor Dust – Group 4 Monroe Head Start, Former Hawthorne School, Margaret Leary Elementary, and Ramsay Elementary, Elsie King, Christopher Berg, and Thomas J. Beckman

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Residential Metals Abatement Program Quality Assurance Project Plan (Non-Residential Parcels - Indoor Dust), Elsie King, Christopher Berg, and Environmental Resource Management (ERM)

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Approved Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites Field Sampling Plan (FSP) Package #7: UR-01, UR-12, UR-03, UR-04, UR-15, and UR-17, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites - Field Sampling Plan (FSP) BRES No. 30 – Atlantic-1, Mike McAnulty

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Pioneer Technical Services, Inc.

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BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT (BPSOU), TREC Inc., A Woodard and Curran Company

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BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT (BPSOU), TREC Inc., A Woodard and Curran Company

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BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT (BPSOU), TREC Inc., A Woodard and Curran Company

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Butte Priority Soils Operable Unit Silver Bow Creek/Butte Area NPL Site, TREC Inc., A Woodard and Curran Company

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Butte Priority Soils Operable Unit Silver Bow Creek/Butte Area NPL Site, TREC Inc., A Woodard and Curran Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE, TREC Inc., A Woodard and Curran Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE, TREC Inc., A Woodard and Curran Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE, TREC Inc., A Woodard and Curran Company

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Silver Bow Creek Butte Area NPL Site 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring QAPP. Consent Decree- Civil Action No. CV 89-039-BU-SHE, TREC Inc., A Woodard and Curran Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE 2022 FINAL BUTTE PRIORITY SOILS OPERABLE UNIT INTERIM SITEWIDE GROUNDWATER MONITORING QAPP, TREC Inc., A Woodard and Curran Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT 2022 FINAL INTERIM SITE-WIDE SURFACE WATER MONITORING QAPP, TREC Inc., A Woodard and Curran Company

Submissions from 2021

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Atlantic Richfield Response to Approval Letter for the Final Butte Priority Soils Operable Unit (BPSOU), 2022 Draft Interim Site-Wide Groundwater Monitoring, Quality Assurance Project Plan (QAPP) (dated November 23, 2021), Atlantic Richfield Company

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Atlantic Richfield Response to Comments BPSOU Draft Final Data Management Plan, Atlantic Richfield Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Atlantic Richfield Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Atlantic Richfield Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Atlantic Richfield Company

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SILVER BOW CREEK/BUTTE AREA NPL SITE BUTTE PRIORITY SOILS OPERABLE UNIT, Atlantic Richfield Company

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RD Submittal Review Crosswalk, Atlantic Richfield Company and Pioneer Technical Services, Inc.

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Butte Priority Soils Operable Unit (BPSOU) 2021 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) 2021 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) Silver Bow Creek/Butte Area NPL Site, Josh Bryson

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Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan for Microbial Analysis and Biotreatability Study, Josh Bryson

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RE: Annual Quality Assurance Project Plan Updates for Butte Reduction Works Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site, Josh Bryson

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Request for Change (RFC) 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) (RFC-BRW-2021-03), Josh Bryson

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RE: Silver Bow Creek/Butte Area NPL Site Butte Priority Soils Operable Unit, Remedial Design Documents for the Butte Reduction Works (BRW) Smelter Area, Josh Bryson

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Response to Agency Comments received December 15 on Silver Bow Creek Butte Area NPL Site 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water 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 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring QAPP. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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Silver Bow Creek Butte Area NPL Site 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring QAPP. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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Silver Bow Creek Butte Area NPL Site 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water 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 Butte Priority Soils Operable Unit, Remedial Design Documents for the Butte Reduction Works (BRW) Smelter Area, Josh Bryson

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Approved Final Butte Priority Soils Operable Unit Community Engagement Plan for Remedial Work, Josh Bryson and Eric Hassler

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Final Butte Priority Soils Operable Unit Community Engagement Plan for Remedial Work, Josh Bryson and Eric Hassler

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Final Butte Priority Soils Operable Unit Community Engagement Plan for Remedial Work, Josh Bryson and Eric Hassler

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Revised Draft Final Butte Priority Soils Operable Unit Community Engagement Plan for Remedial Work, Josh Bryson and Eric Hassler

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Residential Metals Abatement Program Quality Assurance Project Plan (Non-Residential Parcels - Indoor Dust), Environmental Resource Management (ERM), Elsie King, Christopher Berg, and Thomas J. Beckman

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BPSOU Final Reclaimed Areas Maintenance and Monitoring QAPP - 2021, Nikia Greene

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BPSOU Final Reclaimed Areas Maintenance and Monitoring QAPP - 2021, Nikia Greene

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Comments for: Draft Residential Metals Abatement Program Quality Assurance Project Plan (Non-Residential Parcels), Atlantic Richfield Company and Butte- Silver Bow County, dated October 8, 2021, Nikia Greene

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK, Nikia Greene

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK, Nikia Greene

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK, Nikia Greene

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK, Nikia Greene

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EPA Region 8 QA Document Review Crosswalk, Nikia Greene

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK - of 26, Nikia Greene

SBC/Butte Area NPL Site Final BPSOU Interim Site-Wide Surface Water Monitoring QAPP 2020 and 2021 Monitoring Period, 10/14/20, Nikia Greene

SBC/Butte Area NPL Site Final BPSOU Interim Site-Wide Surface Water Monitoring QAPP 2020 and 2021 Monitoring Period, 10/14/20, Nikia Greene

Silver Bow Creek/Butte Area NPL Site 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Quality Assurance Project Plan (QAPP), 11/16/21, Nikia Greene

Silver Bow Creek/Butte Area NPL Site 2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Quality Assurance Project Plan (QAPP), 11/16/21, Nikia Greene

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EPA REGION 8 QA DOCUMENT REVIEW CROSSWALK, Nikia Greene and Pioneer Technical Services, Inc.

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2022 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan, Nikia Greene and TREC Inc., A Woodard and Curran Company

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Butte Priority Soils Operable Unit (BPSOU) Approved Quarterly Operations and Maintenance Report Butte Treatment Lagoons System – Third Quarter 2020, Dave Griffis

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – First Quarter 2021., Dave Griffis

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Quarterly Operations and Maintenance Report Butte Treatment Lagoon System – Third Quarter 2021, Dave Griffis

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Draft Residential Metals Abatement Program Quality Assurance Project Plan (Non-Residential Parcels - Indoor Dust), Elsie King, Christopher Berg, and Thomas J. Beckman

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Approved Final Butte Priority Soils Operable Unit (BPSOU) Unreclaimed Sites Field Sampling Plan (FSP) Package #6: UR‐05, UR‐27, UR‐28, UR‐29, UR‐30, and UR‐34, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) 2021- Unreclaimed Areas Quality Assurance Project Plan (QAPP), Request for Change (RFC)-01, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites - Field Sampling and Investigation Plan (FSP) BRES No. 8 – Belle of Butte, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites - Field Sampling Plan (FSP) BRES No. 16 - Curry, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites – Field Sampling and Investigation Plan (FSP) BRES No. 154 – Clark Mill Tailings NE, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Insufficiently Reclaimed Sites - Field Sampling and Investigation Plan (FSP) BRES No. 104 - Colorado Dump, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Insufficiently Reclaimed Sites - Field Sampling and Investigation Plan (FSP) BRES No. 104 - Colorado Dump – Final, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Insufficiently Reclaimed Sites - Field Sampling and Investigation Plan (FSP) BRES No. 104 - Colorado Dump – Final, Revision 1, Mike McAnulty