TDEC/DOE Letters
2025 Letters
July
- Re: Federal Facility Agreement Milestone Addition Request for the Addendum 3 (Exposure Unit Z2-38) to the FY 2009 Phased CCR for Zone 2 Exposure Units – 07/11/2025
- Re: Federal Facility Agreement Milestone Modification Request for the Outfall 200 Mercury Treatment Facility Phased CCR – 07/07/2025
- Re: Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project – 07/01/2025
June
- Re: Transmittal of the Addendum for the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Oak Ridge, TN: Provisional Management of Slabs – 06/26/2025
- TDEC Approval: Baseline Groundwater Monitoring Report for the Environmental Monitoring at the Environmental Management Waste Management Facility, Oak Ridge, Tennessee – 06/25/2025
- Re: TDEC Comments for the Remedial Design Report/Remedial Action Work Plan for K-31/33 Area Groundwater at ETTP-06/20/2025
- TDEC Comments: EMDF Groundwater Field Demonstration First Wet Season Monitoring Results, Oak Ridge, TN – 06/11/2025
- Re: Erratum for the Remedial Design Report/Remedial Action Work Plan for Soils, Sediments, and Dynamic Characterization Strategy for Bethel Valley, Oak Ridge, TN – 06/11/2025
- Re: Phased Construction Completion Report for Exposure Unit Z2-39 in Zone 2, East TN Technology Park – 06/06/2025
- TDEC Letter for the Remedial Investigation Work Plan for Bear Creek Valley Burial Ground, Oak Ridge Reservation – 06/04/2025
- TDEC Comments: Fiscal Year 2025 Phased Construction Completion Report for the Oak Ridge Reservation Environmental Management Waste Management Facility – 06/03/2025
- Re: Appendix I-5 Information Assessment for White Wing Scrap Yard, Oak Ridge Reservation – 06/03/2025
May
- Department of Energy Oak Ridge Environmental Management Fiscal Year 2027 Budget Request – 05/30/2025
- Record of Decision for Final Soil Actions in Zone 1, East Tennessee Technology Park – 05/30/2025
- Re: Addendum to the Phased Construction Completion Report for Exposure Unit Z2-30 in Zone 2, East TN Technology Park – 05/29/2025
- Explanation of Significant Differences for the Record of Decision for Phase II Interim Remedial Actions for Contaminated Soils and Scrapyard in Upper East Fork Poplar Creek, Oak Ridge, TN: Addition of Exposure Units 15, 16, and 17 – 05/28/2025
- Re: Phased Construction Completion Report for Exposure Unit Z2-16 in Zone 2, East TN Technology Park – 05/28/2025
- Site Treatment Plan for Mixed Waste on the U.S. Department of Energy Oak Ridge Reservation – Submittal of the Annual Update and Semiannual Progress Report – 05/15/2025
- Re: Transmittal of the Addendum to Phased Construction Completion Report for Liquid and Gaseous Waste Operations at the Oak Ridge National Laboratory: Facility and Equipment Pre-Demolition/Small-Scale Demolition – 05/15/2025
- Re: Phased Construction Completion Report for Exposure Unit Z2-35 in Zone 2, East Tennessee Technology Park – 05/13/2025
- Public Involvement Plan D2 for Comprehensive Environmental Response, Compensation, and Liability Act Activities at the U.S. Department of Energy Oak Ridge Site – 05/09/2025
- Federal Facility Agreement Milestone Addition Report for the Environmental Management Disposal Facility – 05/09/2025
- Re: Phased Construction Completion Report for Exposure Unit Z2-13 in Zone 2 at East Tennessee Technology Park – 05/05/2025
- Re: Federal Facility Agreement Milestone Revision Request for the Molten Salt Reactor Experiment – 05/02/2025
April
- Re: Explanation of Significant Differences for the Record of Decision for Interim Actions in Bethel Valley – 04/30/2025
- Re: Federal Facility Agreement Milestone Extension Request for the West Bethel Valley 8 Assessment Unit Phased Construction Completion Report – 04/25/2025
- Re: Federal Facility Agreement Milestone Extension Request for the White Wing Scrap Yard, Oak Ridge, TN – 04/25/2025
- Approval of DOE’s Proposed Federal Facility Agreement Appendix J – 04/21/2025
- Re: Record of Decision for Final Soil Actions in Zone 1, East Tennessee Technology Park – 04/21/2025
Re: Addendum to the Zone 1 Groundwater Plumes Remedial Investigation Work Plan for the K-1085 Old Firehouse Burn Area, ETTP – 04/21/25 - Re: Federal Facility Agreement Milestone Revision Request for the Molten Salt Reactor Experiment – 04/16/2025
- Re: DOE’s Transmittal of the Federal Facility Agreement Proposed Appendix J – 04/04/2025
March
- Re: Federal Facility Agreement Milestone Extension Request for the Molten Salt Reactor Experiment Remedial Investigation Report and Feasibility Study Addendum – 03/27/2025
- Re: Addendum 3 (Exposure Unit Z2-38) to the Fiscal Year 2009 Phased Construction Completion Report for Zone 2 Exposure Units 11, 12, 17, 18, 29, and 38 at East Tennessee Technology Park, Oak Ridge, Tennessee – 03/21/2025
- Re: TDEC Comment Letter for Appendix I-5 Information Assessment for White Wing Scrap Yard, Oak Ridge Reservation – 03/20/2025
- Re: Federal Facility Agreement Milestone Extension Request for the West Bethel Valley 4 Assessment Unit Phased Construction Completion Report – 03/11/2025
- Re: Federal Facility Agreement Milestone Extension Request for the Addendum to the Zone 1 Groundwater Plumes Remedial Investigation Work Plan for the K-1085 Old Firehouse Burn Area, ETTP – 03/10/2025
February
- TDEC Comments: Baseline Groundwater Monitoring Report for the Environmental Monitoring at the Environmental Management Waste Management Facility, Oak Ridge, Tennessee – 02/26/2025
- Public Involvement Plan for Comprehensive Environmental Response, Compensation, and Liability Act Activities at the U.S. Department of Energy Oak Ridge Site – 02/25/2025
- Extension Request to Complete Review of the Record of Decision for Final Soil Actions in Zone 1, ETTP – 02/24/2025
- Re: Time-Critical Removal Action White Wing Scrap Yard (Waste Area Grouping 11), Oak Ridge Reservation – 02/21/2025
- Re: Environmental Baseline Survey Report for Clean Parcel Determination for Self-Sufficiency Parcel 2 in the Vicinity of ETTP – 02/20/25
- Re: Addendum to the Final Zone 1 Remedial Investigation and Feasibility Study for a Supplemental Ecological Evaluation at ETTP – 02/19/25
- Re: Transmittal of Addendum to Phased Construction Completion Report for Liquid and Gaseous Waste Operations at ORNL – 02/18/2025
January
- Re: Explanation of Significant Differences for the Record of Decision for Soil, Buried Waste, and Subsurface Structure Actions in Zone 2, East Tennessee Technology Park, Oak Ridge, TN: K-1064 Area Controlled Industrial End Use – 01/31/2025
- U.S. Department of Energy Letter Dated January 17, 2025: Rescission of the Remedial Action Work Plan for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste – 01/23/2025
- Re: Addendum 6 (Attachment H-1 – Exposure Unit-4A Data Quality Objective Scoping Package) – 01/22/2025
- Federal Facility Agreement Milestone Extension Request for the 7025 Area Phased Construction Completion Report – 01/14/2025
- Re: Federal Facility Agreement Milestone Extension Request for the Final Phased Construction Completion Report for Exposure Units Z2-20, Z2-21, and Z2-22 in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee – 01/08/2025
- Transmittal of the Remedial Investigation Report for the Molten Salt Reactor Experiment, Oak Ridge, Tennessee – 01/07/2025
2024 Letters
December
- Transmittal of the Waste Handling Plan for the Demolition of the Beta-1 Complex at the Y-12 National Security Complex – 12/20/2024
- TDEC Letter for the Action Memorandum for North Tributary-8 at the Y-12 National Security Complex Bear Creek Burial Grounds – 12/19/2024
- TDEC Approval Letter of the 2024 Remediation Effectiveness Report for the U.S. Department of Energy Oak Ridge Site – 12/19/2024
- Re: Federal Facility Agreement Milestone Extension Request for the Addendum to the Zone 1 Groundwater Plumes Remedial Investigation Work Plan for the K-1085 Old Firehouse Burn Area, East Tennessee Technology Park, Oak Ridge, Tennessee – 12/11/2024
- Re: Phased Construction Completion Report for Exposure Unit Z2-13 in Zone 2, East Tennessee Technology Park – 12/4/2024
November
- Re: Transmittal of Phased Construction Completion Report for Remaining Pre-Demolition Activities and Demolition of Building 3005, the Low Density Test Reactor at ORNL – 11/27/2024
- Re: Federal Facility Agreement Appendix E Milestone Extensions for the Record of Decision for Soil, Buried Waste, & Subsurface Structure Actions in Zone 2, ETTP – 11/22/2024
- TDEC Comment Letter for Bear Creek Valley Mercury Sources Remedial Site Evaluation for the U.S. Department of Energy Oak Ridge Site – 11/22/2024
- Extension Request to Complete Review of the Record of Decision for Final Soil Actions in Zone 1, ETTP – 11/21/2024
- RE: FFA Milestone Extension Request for the Remedial Investigation Work Plan for White Wing Scrap Yard (Waste Area Grouping 11), Oak Ridge, Tennessee – 11/20/2024
- TDEC Approval: FY 2024 Phased Construction Completion Report for the ORR EMWMF – 11/20/2024
- Re: Submittal of Proposed Changes to the Federal Facility Agreement Enforceable Appendix J Milestones Dated November 12, 2024 – 11/19/24
- TDEC Approval: Federal Facility Agreement Extension Request (Oct. 31, 2024) for Explanation of Significant Differences for the Record of Decision for the Disposal of Oak Ridge Reservation CERCLA Act of 1980 Waste – 11/8/2024
- TDEC Comment Letter: 2024 Five-Year Review for the Upper East Fork Poplar Creek and Chestnut Ridge Administrative Watersheds and the Lower East Fork Poplar Creek and ORAU’s South Campus Facility Operable Units on the U.S. DOE Oak Ridge Reservation – 11/8/2024
- Re: Addendum 3 (Exposure Unit Z2-38) to the FY 2009 Phased Construction Completion Report for Exposure Units at East Tennessee Technology Park – 11/8/2024
- TDEC Approval Letter: Waste Handling Plan for the Demolition of Building 9720-17 at the Y-12 National Security Complex – 11/5/2024
October
- Re: Modification to the East Tennessee Technology Park Administrative Watershed RAR CMP – 10/31/2024
- Re: Transmittal of Addendum to the Remedial Design Report/Remedial Action Work Plan for the Decontamination and Decommissioning of Non-Reactor Facilities in Bethel Valley at ORNL – 10/30/2024
- DOE Submittal of Proposed Changes to the Federal Facility Agreement for the Oak Ridge Reservation: Appendix C and Appendix B – 10/30/2024
- TDEC Request: Federal Facility Agreement Review Extension (October 29, 2024) for the Fiscal Year 2024 Phased Construction Completion Report for the Oak Ridge Reservation EM WMF – 10/29/2024
- TDEC Comment Letter for the Explanation of Significant Differences for the Record of Decision for Phase II Interim Remedial Actions for Contaminated Soils and Scrapyard in Upper East Fork Poplar Creek – 10/28/2024
- TDEC Approval: Request for Addition of 25 Mixed Waste Containers to Table 3.6 of the Site Treatment Plan for Mixed Wastes on the U.S. Department of Energy Oak Ridge Reservation – 10/28/2024
- Re: Federal Facility Agreement Milestone Extension Request for the Transmittal of the 2024 Remediation Effectiveness Report for the U.S. Department of Energy Oak Ridge Site – 10/25/2024
- TDEC Concurrence: Addendum to the Remedial Design Report for the Construction of the East Tennessee Technology Park to Environmental Waste Management Facility Haul Road on the Oak Ridge Reservation (Haul Road Reroute) – 10/24/2024
- TDEC Comment Letter for Action Memorandum for North Tributary-8 at the Y-12 National Security Complex Bear Creek Burial Grounds – 10/18/2024
- TDEC Comment Letter Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project – A15 Demolition of Steam Plan Complex Ancillary Facility 9616-9 – 10/16/2024
- Re: Federal Facility Agreement Milestone Extension Request for the Remedial Investigation Work Plan for White Wing Scrap Yard (Waste Area Grouping 11), Oak Ridge, TN – 10/08/2024
- Federal Facility Agreement Milestone Extension Request for Addendum to the Final Zone 1 Remedial Investigation and Feasibility Study for a Supplemental Ecological Evaluation at ETTP – 10/03/2024
September
- Re: Transmittal of the Waste Handling Plan for the Demolition of the Beta-1 Complex Located at the Y-12 National Security Complex, Oak Ridge, Tennessee – 09/30/2024
- TDEC Approval: Remedial Design Work Plan (RDWP) for the Environmental Management Disposal Facility (EMDF), Oak Ridge, Tennessee – 09/25/2024
- Re: TDEC Response Letter for Addendum to the Zone 1 Groundwater Plumes Remedial Investigation Work Plan (RIWP) for the K-1085 Old Firehouse Burn Area, East Tennessee Technology Park – 09/13/2024
- Transmittal of the Phased Construction Competition Report for Remaining Pre-Demo Activities (Building 3005) – 09/13/2024
- Non-Significant Change to the Record of Decision for the Phase 1 Activities in Bear Creek Valley – 09/11/2024
- DOE’s Submittal of Proposed Changes to the Federal Facility Agreement Appendix J Milestones – 09/10/2024
August
- TDEC Approval Letter Waste Handling Plan for the Demolition of Building 9720-17 at the Y-12 National Security Complex – 08/28/2024
- Extension Request to Complete Review of the Record of Decision for Final Soil Actions in Zone 1, East TN Technology Park – 08/22/24
- Non-Significant Change to the Record of Decision for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980 Waste – 08/19/2024
- Re: Federal Facility Agreement Extension Request for the Remedial Investigation Work Plan for White Wing Scrap Yard, Oak Ridge – 08/16/24
- Re: DOE Submittal of Proposed Changes to the Federal Facility Agreement Enforceable Appendix E Milestones – 08/15/2024
- Re: Transmittal of the Addendum to Phased Construction Completion Report for Liquid and Gaseous Waste Operations at ORNL – 08/14/2024
July
- Re: Federal Facility Agreement Extension Request for the Addendum to the Remedial Design Report/Remedial Action Work Plan for the Decontamination and Decommissioning of Non-Reactor Facilities in Bethel Valley at ORNL – 07/29/2024
- Re: Federal Facility Agreement Milestone Extension Request for the 7025 Area Phased Construction Completion Report – 07/26/2024
- TDEC Approval: Federal Facility Agreement Milestone Extension Request (July 22, 2024) for the Fiscal Year 2024 Phased Construction Completion Report for the Oak Ridge Reservation Environmental Management Waste Management Facility – 07/25/2024
- Re: Addendum to the Final Zone 1 Remedial Investigation and Feasibility Study for a Supplemental Ecological Evaluation at ETTP – 07/19/2024
- TDEC Approval: Federal Facility Agreement Extension Request (July 3, 2024) for Explanation of Significant Differences for the Record of Decision for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste, Oak Ridge, Tennessee: Clean Water Act – 07/17/2024
- TDEC Comment Letter Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Oak Ridge, Tennessee. A15 – Demolition of Steam Plant Complex Ancillary Facility 9616-9 – 07/15/2024
- Re: Engineering Evaluation/Cost Analysis for North Tributary-8 at the Y-12 National Security Complex Bear Creek Burial Grounds – 07/01/2024
June
- Modification to the Bethel Valley Administrative Watershed Remedial Action Report Comprehensive Monitoring Plan – 06/28/2024
- Re: Transmittal of the Addendum to the Remedial Action Work Plan/Waste Handling Plan for Liquid and Gaseous Waste Operations at the Oak Ridge National Laboratory, Oak Ridge, Tennessee: Facility and Equipment Deactivation/Small-Scale Demolition – 06/28/2024
- TDEC Comment Letter: 2024 Remediation Effectiveness Report for the U.S. Department of Energy Oak Ridge Site – 06/21/2024
- Department of Energy Oak Ridge Environmental Management Fiscal Year (FY) 2026 Budget Request – 06/06/2024
May
- TDEC Approval Letter Phased Construction Completion Report for the Non-Time-Critical Removal Action Building 9404-18 Demineralizer Facility Mercury-Contaminated Systems Demolition at the Y-12 National Security Complex – 05/22/2024
- TDEC Comments: Explanation of Significant Differences for the Record of Decision for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste, Oak Ridge, Tennessee: Clean Water Act – 05/17/2024
- TDEC Comment Letter for Remedial Investigation Work Plan for White Wing Scrap Yard (Waste Area Grouping 11), Oak Ridge Reservation-05/16/2024
- TDEC Comments: Remedial Design Work Plan for the Environmental Management Disposal Facility, Oak Ridge, Tennessee – 05/15/2024
- Concurrence with Rescinding the Explanation of Significant Differences – Haul Road Reroute – 05/14/2024
- Re: Interim Record of Decision for Groundwater in the Main Plant Area at the East Tennessee Technology Park, Oak Ridge, TN – 05/13/2024
- Re: Transmittal of Addendum to the Remedial Design Report/Remedial Action Work Plan for the Decontamination and Decommissioning of Non-Reactor Facilities in Bethel Valley at the Oak Ridge National Laboratory, Oak Ridge, Tennessee: Pre-Demolition and Demolition of Building 3544, Process Waste Treatment Plant, and Adjacent Facilities, Buildings 3518 and 3594 – 05/06/2024
- TDEC Comments: Fiscal Year 2024 Phased Construction Completion Report for the Oak Ridge Reservation Environmental Management Waste Management Facility – 05/03/2024
- Re: Erratum to the Phased Construction Completion Report for the Bethel Valley Burial Grounds at the Oak Ridge National Laboratory – 05/02/2024
- Transmittal of the Waste Handling Plan for the Demolition of the Alpha-2 Complex Located at the Y-12 National Security Complex – 05/02/2024
April
- Re: Record of Decision for Groundwater in the K-31/K-33 Area at the East Tennessee Technology Park, Oak Ridge, TN – 04/25/2024
- Re: Transmittal of the Addendum 2 to the Remedial Action Work Plan/Waste Handling Plan for the Liquid and Gaseous Waste Operations at the Oak Ridge National Laboratory, Oak Ridge, Tennessee: Liquid and Gaseous Waste Operations – 04/23/2024
- TDEC Approval Letter Addendum 2 for the Implementation Process to the Upper East Fork Poplar Creek Soils Remediation Action Work Plan – 04/19/2024
- Request for a DOE Briefing to the Federal Facility Agreement Parties Regarding DOE’s Budget Planning Process – 04/09/2024
March
- Re: DOE’s Transmittal of the Federal Facility Agreement Proposed Appendix J – 03/28/2024
- Site Treatment Plan for Mixed Waste on the U.S. Department of Energy Oak Ridge Reservation – Submittal of Annual Update and Semiannual Progress Report – 03/27/2024
- Re: Transmittal of Addendum to the Remedial Design Report/Remedial Action Work Plan for the Decontamination and Decommissioning of Non-Reactor Facilities in Bethel Valley at the Oak Ridge National Laboratory, Oak Ridge, Tennessee: Demolition of Building 2523 and Annex 2523A – 03/11/2024
- Re: Addendum for the Implementation Process to the Remedial Design Report/Remedial Action Work Plan for Soils, Sediments, and Dynamic Characterization Strategy for Bethel Valley, Oak Ridge, Tennessee – 03/11/2024
- TDEC Review: Update to the Administrative Record for the Record of Decision for Comprehensive Environmental Response, Compensation, and Liability Act Oak Ridge Reservation Waste Disposal at the Environmental Management Disposal Facility, Oak Ridge, TN – 03/07/2024
- Re: Submittal of Proposed Changes to the Federal Facility Agreement Enforceable Appendix E Milestones – 03/07/2024
February
- Re: TDEC Letter for Melton Valley/Bethel Valley Exit Pathway Phase 1 Remedial Investigation Completion Report for the U.S. Department of Energy Oak Ridge Site, Oak Ridge, Tennessee – 02/28/2024
- TDEC Letter Regarding DOE’s Response to Comments for Bear Creek Valley Mercury Sources Remedial Site Evaluation Sampling and Analysis Plan, Oak Ridge, Tennessee – 02/16/2024
- Re: Federal Facility Agreement Milestone Extension Request for the Y-12 National Security Complex North Tributary-8 – 02/16/2024
- Transmittal of the Addendum to the Remedial Action Work Plan/Waste Handling Plan for Liquid and Gaseous Waste Operations at the Oak Ridge National Laboratory, Oak Ridge, Tennessee: Facility and Equipment Deactivation/Small-Scale Demolition – 02/16/2024
- Re: Removal Action Report for the Poplar Creek Mudflat Sediment at ETTP – 02/15/2024
- Re: Addendum 2 (Exposure Unit Z2-17) two the FY 2009 Phased Construction Completion Report – 02/14/2024
- Re: Transmittal of the Waste Handling Plan for the Demolition of the Alpha-2 Complex Located at the Y-12 National Security Complex, Oak Ridge, Tennessee-02/09/2024
- TDEC Comment: Explanation of Significant Differences for the Record of Decision for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste, Oak Ridge, Tennessee: Haul Road Reroute – 02/09/2024
- Re: Addition of Facilities to the Action Memorandum for the Y-12 Facilities Non-Time-Critical Removal Action Deactivation/Demolition Project, Oak Ridge, Tennessee – 02/07/2024
- Re: Federal Facility Agreement Milestone Extension Request for Phased Construction Completion Report for the Non-Time-Critical Removal Action Building 9404-18 Demineralizer Facility Mercury-Contaminated Systems Demolition at the Y-12 National Security Complex – 02/06/2024
January
- Federal Facility Agreement Milestone Extension Request for the 7025 Area Phased Construction Completion Report – 01/23/2024
- Federal Facility Agreement Milestone Extension Request for the Y-12 National Security Complex North Tributary-8 Engineering Evaluation/Cost Analysis and Action Memorandum – 01/05/2024
2023 Letters
December
- TDEC Approval Letter for the Federal Facility Agreement (FFA) Milestone Extension Request for Interim Record of Decision (IROD) for Groundwater in the Main Plant Area at the East Tennessee Technology Park, Oak Ridge, Tennessee – 12/19/2023
- TDEC Comment Letter: Addendum 2 for the Implementation Process to the Upper East Fork Poplar Creek Soils Remedial Action Work Plan – 12/19/2023
- Re: TDEC Approval Letter for the Federal Facility Agreement (FFA) Milestone Extension Request for Record of Decision (ROD) for Groundwater in the K-31/K-33 Area at the East Tennessee Technology Park (ETTP), Oak Ridge, Tennessee (DOE/OR/o1-2950&D2) and Remedial Action Report (RAR) – 12/12/2023
- Re: FY2024-FY2028 TDEC FFA Grant DE-EM0005291 – 12/11/2023
- Site Treatment Plan for Mixed Waste on the U.S. Department of Energy Oak Ridge Reservation – Submittal of the Annual Update and Semiannual Progress Report – 12/8/2023
- Re: Transmittal of the Addendum 2 to the Remedial Action Work Plan/Waste Handling Plan for the Liquid and Gaseous Waste Operations at the Oak Ridge National Laboratory, Oak Ridge, Tennessee: Liquid and Gaseous Waste Operations – 12/6/2023
- TDEC Comment Letter for Bear Creek Valley Mercury Sources Remedial Site Evaluation Sampling and Analysis Plan (SAP) Oak Ridge, TN – 12/5/2023
- Re: Federal Facility Agreement Milestone Extension Request for Phased Construction Completion Report for the Non-Time-Critical Removal Action Building 9404-18 Demineralizer Facility Mercury-Contaminated Systems Demolition at the Y-12 National Security Complex, Oak Ridge, TN – 12/4/2023
November
- Addendum for the Implementation Process to the Remedial Design Report/Remedial Action Work Plan for Soils, Sediments, and Dynamic Characterization Strategy for Bethel Valley, Oak Ridge, Tennessee (DOE/OR/01-2378&D5A5) – 11/27/2023
- TDEC Comment Letter for Melton Valley/Bethel Valley Exit Pathway Phase 1 Remedial Investigation Completion Report for the U.S. Department of Energy Oak Ridge Site, Oak Ridge, Tennessee (DOE/OR/01-295&D1) – 11/21/2023
- Re: Removal Action Plan for the Poplar Creek Mudflat Sediment Time-Critical Removal Action at the East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2952&D1) – 11/16/2023
- Request for Electronic Records (Engineering Drawings) per Federal Facility Agreement Section XXIX to Support State Oversight of the Groundwater Field Demonstration and Design of the Planned Environmental Management Disposal Facility – 11/09/2023
- Approval: Addendum to the Remedial Design Report/Remedial Action Work Plan for the Environmental Management Disposal Facility, Oak Ridge, Tennessee: Early Site Preparation Activities: East Spoils Area (DOE/OR/01-2934&D2/A1) – 11/01/2023
- Re: Addendum 2 (Exposure Unit Z2-17) to the Fiscal Year 2009 Phased Construction Completion Report for Zone 2 Exposure Units 11, 12, 17, 18, 29, and 38 at East Tennessee Technology Park, Oak Ridge, Tennessee – 11/01/2023
October
- TDEC Approval: Fiscal Year 2023 Phased Construction Completion Report for the Oak Ridge Reservation Environmental Management Waste Management Facility – 10/31/2023
- Transmittal of the Erratum Page for the Action Memorandum for the Y-12 Facilities Non-Time-Critical Removal Action Deactivation/Demolition Project, Oak Ridge, Tennessee – 10/27/2023
- Re: Review of the Proposed Administrative Record Index for the Interim Record of Decision for Groundwater in the Main Plant Area at the East Tennessee Technology Park, Oak Ridge, Tennessee – 10/26/2023
- TDEC Comment Letter for Interim Record of Decision for Groundwater in the Main Plant Area at East Tennessee Technology Park – 10/19/2023
- TDEC Comment Letter: 2023 Five-Year Review for the East Tennessee Technology Park Administrative Watershed and the Clinch River/Poplar Creek and Lower Watts Bar Reservoir Operable Units on the U.S. Department of Energy Oak Ridge Site – 10/18/2023
- DOE Submittal of Proposed Changes to the Federal Facility Agreement for the Oak Ridge Reservation: Appendix C, Oak Ridge Remediation Sites, and Appendix B, Oak Ridge Site Description – 10/17/2023
- TDEC Approval: Remedial Design Work Plan/Remedial Action Work Plan for the Groundwater Field Demonstration at the Environmental Management Disposal Facility – 10/16/2023
- TDEC Approval Letter: Approval of the 2023 Remediation Effectiveness Report for the U.S. Department of Energy Oak Ridge Site – 10/16/2023
- Re: TDEC Comment Response Letter for Record of Decision for Groundwater in the K-31/K-33 Area at East Tennessee Technology Park – 10/12/2023
- Re: Proposed Administrative Record Index Review for the Record of Decision for Groundwater in the K31-K-33 Area at the East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/2950&D1) – 10/12/2023
- TDEC Comment Letter for Engineering Evaluation/Cost Analysis for North Tributary-8 at the Y-12 National Security Complex Bear Creek Burial Ground, Oak Ridge, Tennessee – 10/06/2023
September
- Re: TDEC Response to DOE’s Appendix J FY+3 Milestone Notification, September 21, 2023 – 09/29/2023
- Re: Memorandum to File, Non-Significant Change to the Record of Decision for Soil, Buried Waste, and Subsurface Structure Actions in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2161&D2) – 09/22/2023
- Re: Notification of 30-Day Schedule Extension for TDEC Review of the Interim Record of Decision for Groundwater in the Main Plant Area at East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2949&D1) – 09/18/2023
- Re: Notification of 30-Day Schedule Extension for TDEC Review of the Record of Decision for Groundwater in the K-31/K-33 Area at East Tennessee Technology Park, Oak Ridge, TN (DOE/OR/01-2950&D1) – 09/15/2023
- TDEC Approval: Addendum to the Remedial Design Report for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste, Oak Ridge, Tennessee – 09/06/2023
- TDEC Comment Letter Phased Construction Completion Report for the Non-Time-Critical Removal Action Building 9404-18 Demineralizer Facility Mercury-Contaminated Systems Demolition at the Y-12 National Security Complex – 09/01/2023
- Re: Federal Facility Agreement Appendix I-5 Information Assessment for East Tennessee Technology Park, Oak Ridge, Tennessee – 09/01/2023
- Re: Approval Letter for the Erratum to the Addendum to the Zone 1 Groundwater Plumes Remedial Investigation Work Plan for the K720 Fly Ash Pile, East Tennessee Technology Park, Oak Ridge, Tennessee – 09/01/2023
August
- Re: Erratum to the Addendum 15 to the Remedial Design Report/Remedial Action Work Plan for Zone 2 Soils, Slabs, and Subsurface Structures at East Tennessee Technology Park, Oak Ridge, Tennessee: Water Management in Exposure Unit Z2-13 – 08/31/2023
- Re: Draft Covenant Deferral Request for the Proposed Title Transfer of the Zone 1 Portion of the Black Oak Ridge Conservation Easement and Exposure Units Z1-77, Z1-78, and Z1-79 at the East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2954) – 8/25/2023
- Re: Transmittal of the Phased Construction Completion Report for Pre-Demolition of the Graphite Reactor Support Facilities and Building 3005, the Low Intensity Test Reactor at Oak Ridge National Laboratory – 8/24/2023
- TDEC approval letter for phased construction completion report for demolition of Building 9213 and ancillary facilities 9409-36, 9703-14, and 9999-2, Oak Ridge, Tennessee – 8/11/2023
July
- Transmittal of the Phased Construction Completion Report for Remaining Pre-Demolition Activities and Demolition of the 3010 Reactor Complex at the Oak Ridge National Laboratory, Oak Ridge, Tennessee – 07/24/2023
- TDEC Approval Letter for the Addendum to the Zone 1 Groundwater Plumes Remedial Investigation Work Plan for the K720 Fly Ash Pile East Tennessee Technology Park, Oak Ridge, TN (DOE/OR/01-2903&D2/A1) – 7/14/2023
- TDEC Comments: Fiscal Year 2023 Phased Construction Competition Report for the Oak Ridge Reservation Environmental Management Waste Management Facility (DOE/OR/01-2941&D1)-07/11/2023
- ]TDEC Feedback to DOE Responses: Addendum to the Remedial Design Report for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste, Oak Ridge, Tennessee – 7/6/2023
- Re: Addendum 15 to the Remedial Design Report/Remedial Action Work Plan for Zone 2 Soils, Slabs, and Subsurface Structures at East Tennessee Technology Park, Oak Ridge, Tennessee: Water Management in Exposure Unit Z2-13 – 7/6/2023
June
- TDEC Comments: Remedial Design Work Plan/Remedial Action Work Plan for the Groundwater Field Demonstration at the Environmental Management Disposal Facility, Oak Ridge, Tennessee (DOE/OR/01-2948&D1) – 06/23/2023
- TDEC Approval Letter for Phased Construction Completion Report for Demolition of Building 9213 and Ancillary Facilities 9409-36, 9703-14, and 9999-2, Oak Ridge, Tennessee (DOE/OR/01-2945&D1) – 06/21/2023
- Re: Transmittal of the Response to Comments on the Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Oak Ridge, Tennessee: Alpha-2 Complex Demolition (DOE/OR/01-2479 & D1/A13/R2) – 06/16/2023
- Department of Energy Environmental Management Fiscal Year 2025 Budget Request-06/09/2023
- Re: Transmittal of the Addendum to the Action Memorandum for the Y-12 Facilities Non-Time-Critical Removal Action Deactivation/Demolition Project-06/06/2023
May
- Re: Transmittal of the Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Oak Ridge, Tennessee: Beta-1 Complex Demolition-05/26/2023
- TDEC Approval Letter-Erratum to the Lower Watts Bar Reservoir and Clinch River-Poplar Creek Watershed Remedial Action Report Comprehensive Monitoring Plan, Oak Ridge, Tennessee-05/25/2023
- TDEC Comment Letter: 2023 Remediation Effectiveness Report for the U.S. Department of Energy Oak Ridge Site-05/24/2023
- Re: Addendum 2 to the Fiscal Year 2006 Phased Construction Completion Report for the Zone 2 Soils, Slabs, and Subsurface Structures (Exposure Unit Z2-42) at East Tennessee Technology Park-05/10/2023
- Re: Non-Significant Change to the Record of Decision for Phase I Interim Source Control Actions in Upper East Fork Poplar Creek Characterization Area, Oak Ridge, Tennessee (DOE/OR/01-1951&D3)-05/02/2023
April
- TDEC Comments: Field Sampling Plan for Baseline Groundwater and Surface Water Characterization at the Proposed Environmental Management Disposal Facility, Oak Ridge, Tennessee-04/17/2023
- RE: U.S. Department of Energy Response and Request for Approval of Soil Boring and Excavation to Depths Greater than 10 Feet below ground surface in Parcel Economic Development-11 at the East Tennessee Technology Park-04/18/2023
- RE: Addendum to the Removal Act Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Oak Ridge, Tennessee: Beta-1 Complex Pre-Demolition-04/17/2023
- Comments: Remedial Design Report/Remedial Action Work Plan for the Environmental Management Disposal Facility, Oak Ridge, Tennessee: Early Site Preparation Activities-04/14/2023
- TDEC Approval Letter for the Proposed Plan for the Record of Decision for Groundwater in the K-31/K-33 Area at the East Tennessee Technology Park, Oak Ridge, Tennessee-04/06/23
- TDEC Comment Letter Addendum to the Action Memorandum for the Y-12 Facilities Non-Time Critical Removal Action Deactivation/Demolition Project-04/06/2023
- Approval: Federal Facility Agreement Milestone Extension Request for Submission of Addendum to the Remedial Design Report for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste-4/5/2023
- TDEC Comment Letter Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Oak Ridge, Tennessee: Alpha 2 Complex Demolition-4/3/2023
March
- Phased Construction Completion Report for Exposure Unit Z2-19 in Zone 2, East Tennessee Technology Park, Oak Ridge, TN-3/27/2023
- DOE’s Transmittal of the Federal Facility Agreement Proposed Appendix J-3/24/2023
- Action Memorandum for the Ponds at the East Tennessee Technology Park, Oak Ridge, Tennessee: K-1007-P Holding Ponds, K-901A Holding Pond, K-720 Slough, and K-770 Embayment-3/24/2023
- TDEC Approval Letter for the Proposed Plan for an Interim Record of Decision for Groundwater in the Main Plant Area at East Tennessee Technology Park-3/23/2023
- TDEC Approval Letter Waste Handling Plan for Building 3038-Isotope Development Laboratory, Hot Cells Project for the Oak Ridge Office of Environmental Management, Oak Ridge, Tennessee-3/23/2023
- RE: Request for Approval of Soil Boring to Depths Greater than 10 Feet below ground surface in parcel Economic Development-11 at ETTP (3/21/2023)
- TDEC Approval Letter Waste Handling Plan for Demolition of the Graphite Reactor Support Facilities, Buildings 3002, 3003, and 3018, ORNL-03/13/2023
- TDEC Comment Letter Addendum to the Action Memorandum for the Y-12 Facilities Non-Time Critical Removal Action Deactivation/Demolition Project, Oak Ridge, Tennessee-03/10/2023
- Federal Facility Agreement Appendix I-5 Information Assessment for Oak Ridge National Laboratory, Oak Ridge, Tennessee-03/09/2023
- Approval: Federal Facility Agreement Milestone Extension Request for Submission of Addendum to the Remedial Design Report for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste, Oak Ridge, Tennessee; Work Plan for Groundwater Monitoring Wells West of EMWMF – 03/07/2023
- TDEC Review (Follow-up): Revised Administrative Record Index dated October 31, 2022 and submitted November 9, 2022 in support of the Record of Decision for Comprehensive Environmental Response, Compensation, and Liability Act Oak Ridge Reservation Waste Disposal at the EM Disposal Facility-3/6/2023
February
- 02272023 – Addendum 1 (EU Z2-18) to the FY 2009 Phase Construction Completion Report for Zone 2 Exposure Units 11, 12, 17, 18, 29 and 38 at East Tennessee Technology Park
- 02272023 – Re: TDEC Approval Letter to the Erratum Pages for the ETTP Main Plant Area Groundwater Focused Feasibility Study
- 02/24/2023 – Federal Facility Agreement Appendix I-5 Information Assessment for East Tennessee Technology Park
- 02/23/2023 – Re: Erratum to the East Tennessee Technology Park Administrative Watershed Remedial Action Report Comprehensive Monitoring Plan
- 02/22/2023 – Re: Addendum 2 to the FY 2006 Phased Construction Competition Report for the Zone 2 Soils, Slabs, and Subsurface Structures (Exposure Unit Z2-42) at East Tennessee Technology Park
- 02/14/2023 – Re: Addendum 15 to the Remedial Design Report/Remedial Action Work Plan for Zone 2 Soils, Slabs, and Subsurface Structures at East Tennessee Technology Park
- 02/13/2023 – Re: Federal Facility Agreement Milestone Extension Request for the Record of Decision for Final Soil Actions in Zone 1, ETTP
- 02/13/2023 – Re: Addendum 7 (Exposure Unit Z2-41 Final) to the Fiscal Year 2007 Phased Construction Completion Report for Zone 2 Soils, Slabs, and Subsurface Structures at East Tennessee Technology Park
- 02/03/2023 – TDEC Comment Letter for Non-Significant Change to the Record of Decision for Phase 1 Interim Source Control Actions in Upper East Fork Poplar Creek Characterization Area
January
- 1/30/2023 – Re: Federal Facility Agreement Milestone Extension Request for the Record of Decision for Final Soils Actions in Zone 1, ETTP
- 1/27/2023 – TDEC Letter Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project
- 1/26/2023 – Re: Erratum to the Phased Construction Completion Report for the Zone 1 Powerhouse Area Electrical Vaults at the East Tennessee Technology Park, Oak Ridge, TN
- 1/26/2023 – Re: Federal Facility Agreement Milestone Extension Request for Proposed Plan for a Record of Decision for Groundwater in the K-31/K-33 Area at the East Tennessee Technology Park, Oak Ridge, TN
- 01/23/2023 – Comments: Remedial Design Report/Remedial Action Work Plan for the Environmental Management Disposal Facility, Oak Ridge, Tennessee: Early Site Preparation Activities
- 1/19/2023 – TDEC Comment Letter Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Beta-1 Complex
- 01/19/2023 – Site Treatment Plan for Mixed Waste on the U.S. Department of Energy Oak Ridge Reservation
- TDEC Erratum to the WBV 1, WBV 3, WBV 5, WBV 7, and EU 9 Addendum A4 to the Remedial Design Report/Remedial Action Work Plan for Soils, Sediments, and Dynamic Characterization Strategy for Bethel Valley, Oak Ridge National Laboratory
- TDEC Review of the 2021 Fifth CERCLA Five-Year Review of the U.S. Department of Energy Oak Ridge Site
- TDEC Approval Letter Erratum to the East Fork Poplar Creek and Chestnut Ridge Administrative Watershed Remedial Action Report Comprehensive Monitoring Plan, Oak Ridge, Tennessee
- TDEC Comment Letter Addendum to the Action Memorandum for the Y-12 Facilities Non-Time Critical Removal Action Deactivation/Demolition Project, Oak Ridge, Tennessee
2022 Letters
December
- TDEC Comments Re: Addendum to the Remedial Design Report for the Disposal of Oak Ridge Reservation Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Waste
- TDEC Letter Re: Federal Facility Agreement Milestone Extension Request for Record of Decision for Final Soils Actions in Zone 1, ETTP – 12/12/2022
- TDEC Letter Re: Federal Facility Agreement Milestone Extension Request for Addendum 7 to the FY 2007 Phased Construction Completion Report for Zone 2 Soils, Slabs, and Subsurface Structures at ETTP – 12/12/2022
- TDEC Approval Letter RE: Addendum to the Remedial Design Report/Remedial Action Work Plan for the Decontamination and Decommissioning of Non-Reactor Facilities in Bethel Valley at ORNL: Demo of Building 3038 – 12/12/2022
November
- Letter RE: Phased Construction Competition Report for Exposure Unit Z2-19 at ETTP – 11/30/2022
- Extension Request for Proposed Plan for an Interim Record of Decision for Groundwater at Main Plant Area in ETTP – 11/30/2022
- TDEC Comment on Phased Construction Completion Report for Demolition of the Biology Complex, Oak Ridge, TN – 11/21/2022
- Extension of the 2022 Site Treatment Plan for Mixed Waste – 11/15/2022
- TDEC Response to Proposed Plan for the Record of Decision for Groundwater in the K-31/K-33 area at ETTP – 11/8/2022
- Erratum to the ETTP Administrative Watershed Remedial Action Report Comprehensive Monitoring Plan – 11/3/2022
- Federal Facility Extension Request for WBV 1, WBV 3, WBV 5, WBV 7, and EU 9 Addendum A4 to the Remedial Design Report/Remedial Action Work Plan for Soils, Sediments, and Dynamic Characterization Strategy for Bethel Valley – 11/2/2022
- Addendum 1 to the FY 2009 Phased Construction Competition Report for Zone 2 Exposure Units at ETTP – 11/2/2022
October
- Waste Handling Plan for Pre-Demolition and Demolition of Ancillary Facilities at the Y-12 National Security Complex – 10/31/2022
- Addendum 2 to the FY 2006 Phased Construction Completion Report for the Zone 2 Soils, Slabs, and Subsurface Structures at ETTP – 10/31/2022
- TDEC Approval Letter Molten Salt Reactor Experiment Remedial Investigation Work Plan – 10/31/2022
- TDEC Approval Letter Addendum to the Remedial Design Report/Remedial Action Work Plan for the Decontamination and Decommissioning of Non-Reactor Facilities in Bethel Valley at ORNL – 10/26/2022
- TDEC RE: Erratum to the Remedial Investigation Work Plan for Remaining Ecology/Surface Water/Sediment at ETTP – 10/26/2022
- TDEC Comments: Field Sampling Plan for Baseline Groundwater and Surface Water Characterization at the Proposed EM Disposal Facility, Oak Ridge, TN – 10/21/2022
- TDEC Comment Letter Addendum to the Removal Action Work Plan for the Y-12 Facilities Deactivation/Demolition Project, Alpha-2 Complex Demotion – 10/21/2022
- Approval Phase 3 (Borrow Areas) Characterization Report for the Proposed EM Disposal Facility in Oak Ridge – 10/21/2022
- DOE submittal of Proposed Changes to the Federal Facility Agreement for the Oak Ridge Reservation- 10/20/2022
- EMDF ROD Summary Report -10.07.2021
- TWRA Letter RE- Black Oak Ridge Conservation Easement BORCE
- Response to September 6, 2018, letter from DOE – Request for Approval to Use Polyurethane Foam for Admin Waste
- TDEC Comment Letter on Design Characterization Completion Report
- Response Letter from Jay Mullis -DOE
- ORRCA Letter to Jay Mullis
- Woody – Eratta Sheet (Revised EMR under Resources tab- Reports)
- 07-01 TDEC Comments Fiscal Year 2016 Phased Construction Completion Report for the ORR EMWMF DOE-OR-01-2709D1
- 06-23 Approval Letter RDR- RAWP for Zone 2 Soils Slabs and Subsurface Structures ETTP (DOE-OR-01-2224D5)
- 06-17 EPA-TDEC joint selection of the Bethel Valley 7000 Area Final
- 06-13 TDEC Approval Letter Addendum to the Waste Handling Plan Part 1 for the Remaining Facilities Demolition Project ETTP Oak Ridge Tennessee (DOE-OR
- 05-26 Bethel Valley Administrative Watershed Remedial Action Report Comprehensive Monitoring Plan Oak Ridge Tennessee (DOE-OR-01-2478D2)
- 05-04 Tennessee Department of Environment and Conservation Comments on the Department of Energy (DOE) Fiscal Year 2018 Budget Request
- 05-02 ENVIRONMENTAL MANAGEMENT DISPOSAL FACILITY (EMDF) COMMUNITY
- 04-26 Approval Letter – Addendum to WHP – Part 2 for Bldg K-1037 Barrier Plant of the ETTP (DOE-OR-01-2288D1-R2-A2)
- 04-20 Comment Letter PCCR for the Non-Time Critical Removal Action Bldg 9808 Demo at Y-12 (DOE-OR-01-2696D1) July 2015
- 04-20 Approval Letter FY11 PCCR for Poplar Creek at the ETTP (DOE-OR-01-2524D3)
- 04-11 Approval Letter – Addendum II to WHP – Part 2 for Poplar Creek High-Risk Facilities and Process Tie-lines at the ETTP (DOE-OR-01-2266D1-R2-A3)
- 04-04 Approval Letter -PCCR for Building K-31 of the Remaining Facilities Demo Project at ETTP (DOE-OR-01-2692D2)
- 04-04 Approval Letter- Addendum to the RAWP for the K-27 Bldg Process Equip Removal and Demo ETTP (DOE-OR-01-2659D2-A1)
- 04-01 Approval Letter – Amendment to the ROD for Phase I Interim Source Control Actions in the UEFPC Water Treatment at OF200 DOE-OR-01-2697D2 March
- 03-31 Focused Feasibility Study FFS for Water Management for the Disposal of CERCLA Waste on the ORR (DOE-OR-01-2664D2)
- 03-23 FY15 PCCR for Surveillance and Maintenance Waste Management Activities at ORNL (DOE-OR-01-2693D1)
- 03-10 Watts Bar Interagency Working Group Review – RLR#276216 TVA Tract No XWBR-126 TRM
- 03-10 DOE proposed evaluation of In-Cell Macroencapsulation of Mercury in the D4 RI-FS for CERCLA ORR Waste Disposal (DOE-OR-01-2535D4)
- 03-07 FFA Milestone Mod Request for the FY15 PCCR for Exposure Unit Z2-06 in Zone 2 ETTP (DOE-OR-01-2699D1)
- 01-07 WBIWG Review – RLR#274786 TVA Tract No XWBR-243 TRM 541 0L
- 01-07 Comment Letter RDR – RAWP for Zone 2 Soils Slabs and Subsurface Structures ETTP (DOE-OR-01-2224D4)
- Colclasure Letter
- Remediation Effectiveness Report for DOE ORR
- DOE ETTP ORR-Oak Ridge_Final_Public Notice and Response to Comments
- 09-16 Comment Letter- SAP- QAPP for Environmental Monitoring at the EMWMF (UCOR-4156-R2) and EMWMF Operations Plan (UCOR-4135-R2)