Class 1 Permit Modifications and NMED Responses

Incorporation of Seven Class 1 Permit Modification Notifications, Waste Isolation Pilot Plant Hazardous Waste Facility Permit Number: NM4890139088-TSDF, JohnDavid Nance/NMED, Dated October 20, 2025

• August 15, 2024 - Four items: 1) Update references to the WIPP Fire Department in Permit Attachment D, E, and F; 2) Revise the Waste Data System User’s Manual reference in Permit Attachments C and C3; 3) Update location of an Underground First Aid Station in Permit Attachment D; and 4) Update Permit Attachment B, Appendix B1 [AR 240809]
• October 3, 2024 - Update Permit Attachment D, Table D-1, RCRA Emergency Coordinators [AR 241006]
• December 23, 2024 - Four Items: 1) Update Underground Escape and Evacuation Map in Permit Attachment D; 2) Update Program Manager’s email address in Permit Attachment B; 3) Revise AK Summary Report Information in Permit Attachments C3 and C6; and 4) Revise Footnote H in Table E-1 in Permit Attachment E [AR 241210]
• April 3, 2025 - Two items: 1) Update Permit Attachment D, Table D-1, RCRA Emergency Coordinators; 2) Update Description of Property Protection Area, in Permit Attachment A, Section A-3 [AR 250403]
• May 29, 2025 - Two Items: 1) Update Permit Attachment D, Table D-1, RCRA Emergency Coordinators; 2) Update Permit Attachment E, Section D-7, Emergency Response Agreements and D-9, Location of the RCRA Contingency Plan and Plan Revision [AR 250519]
• July 25, 2025 - Update Permit Attachment D, Figure D-1, WIPP Surface Structures; Permit Attachment D, Figure D-2, Spatial View of the WIPP Facility; Permit Attachment M, Figure M-58, WIPP Traffic Flow Diagram [AR 250714]
• October 9, 2025 - Three Items: 1) Update Permit Part 4, Table 4.6.2.3, Recommended EPA Risk Factors; 2) Update Permit Attachment D, Table D-1, RCRA Emergency Coordinators; and 3) Update Permit Attachment D, Figure D-3, Underground Escape and Evacuation Map [AR 251008]

Class 1 Permit Modification Notification, Waste Isolation Pilot Plant Hazardous Waste Facility Permit Number: NM4890139088-TSDF, Mark Bollinger/CBFO and Ken Harrawood/SIMCO Dated October 9, 2025

• Update Permit Part 4, Table 4.6.2.3, Recommended EPA Risk Factors
• Update Permit Attachment D, Table D-1, Resource Conservation and Recovery Act Emergency coordinators
• Update Permit Attachment D, Figure D-3, Underground Escape and Evacuation Map

Class 1 Permit Modification Notification, Waste Isolation Pilot Plant Hazardous Waste Facility Permit Number: NM4890139088-TSDF, Mark Bollinger/CBFO and Ken Harrawood/SIMCO Dated July 25, 2025

• Update Permit Attachment D, Figure D-1, Waste Isolation Pilot Plant (WIPP) Surface Structures, Permit Attachment D, Figure D-2, Spatial View of the WIPP Facility; Permit Attachment M, Figure M-58, WIPP Traffic Flow Diagram

Class 1 Permit Modification Notification, Waste Isolation Pilot Plant Hazardous Waste Facility Permit Number: NM4890139088-TSDF, Mark Bollinger/CBFO and Ken Harrawood/SIMCO Dated May 29, 2025

• Update Permit Attachment D, Table D-1. Resource Conservation and Recovery Act Emergency Coordinators
• Update Permit Attachment D, Section D-7, Emergency Response Agreements and D-9, Location of the RCRA Contingency Plan and Plan Revision

Class 1 Permit Modification Notification, Waste Isolation Pilot Plant Hazardous Waste Facility Permit Number: NM4890139088-TSDF, Mark Bollinger/CBFO and Ken Harrawood/SIMCO Dated April 03, 2025

• Update Permit Attachment D, Table D-1, Resource Conservation and Recovery Act Emergency Coordinators, and
• Update Description of Property Protection Area, in Permit Attachment A, Section A-3

Class 1* Permit Modifications and NMED Responses

Class 2 Permit Modifications and NMED Responses

Class 3 Permit Modifications and NMED Responses

Notice of Public Hearing and Opportunity for Public Comment on a Draft Hazardous Waste Permit for the Waste Isolation Pilot Plant EPA ID Number: NM4890139088-TSDF

Notice of Administrative Completeness

Temporary Authorization Requests

Request for Determination of Class/NMED Responses

Final Determinations

Technical Incompleteness Determinations

Annual WIPP Waste Minimization Report

Extensions of Time

Corrective Action Documents

Notification of Planned Changes

Reporting Anticipated Noncompliances

Written Notice

RCRA Contingency Plan Implementation Reports

Notices of Deficiency

Notices of Violation/Administrative Compliance Orders/Responses

Notification of the Completion and Public Posting of the Third Triennial Review Report, Waste Isolation Pilot Plant, EPA I.D Number NM4890139088, Mark Bolinger/CBFO and Ken Harrawood/SIMCO, dated August 14, 2025

ADMINISTRATIVE ORDER NO. HWB-25-04, RESPONDENTS’ ORIGINAL ANSWER AND REQUEST FOR HEARING, August 25, 2025

ADMINISTRATIVE ORDER NO. HWB-25-04, Kyle Staggs/NMED and Christine Nava/NMED Dated July 24, 2025

ADMINISTRATIVE ORDER NO. HWB-24-53, SETTLEMENT AGREEMENT AND STIPULATED FINAL ORDER, Mark Bollinger/CBFO, Ken Harrawood/SIMCO, JohnDavid Nance/NMED Dated February 27, 2025

Directives from the Secretary

Biennial Report