| ATTACHMENT | DOCUMENT NAME AND LINK |
| Attachment 1 | Groundwater Discharge Permit Application for the Chromium Plume Control Interim Measure and Plume-Center Characterization |
| Attachment 2 | Drilling Work Plan for Chromium Plume Control Interim Measure and Plume-Center Characterization Injection Wells CrIN-1 through CrIN-6 |
| Attachment 3 | Response – Request for Additional Information, Class V Injection Control Wells, Discharge Permit Application DP-1835 |
| Attachment 4 | Review Comments, Draft Discharge Permit DP-1835, Class V Underground Injection Control Wells |
| Attachment 5 | Public Comments in Opposition to the draft Discharge Permit (DP) 1835 Class V Underground Injection Control |
| Attachment 6 | DOE – Hearing Determination Request, DP-1835, Class V Underground Injection Control, Los Alamos National Laboratory |
| Attachment 7 | CCW – Hearing Determination Request, DP-1835, Class V Underground Injection Control, Los Alamos National Laboratory |
| Attachment 8 | Approval with Modifications, Drilling Work Plan for Chromium Plume Control Interim Measure and Plume-Center Characterization Injection Wells CrIN-1 through CrIN-6 |
| Attachment 9 | Additional Information for Discharge Permit Application DP-1835 |
| Attachment 10 | Interim Measures Work Plan for Chromium Plume Control |
| Attachment 11 | Amendment to Discharge Permit Application DP-1835 |
| Attachment 12 | Hearing Officer’s Report pursuant to 20.6.2.3110 (K) |
| Attachment 13 | Final Decision Pursuant to 20.6.2.3110(L) NMAC |
| Attachment 14 | Discharge Permit Number 1835 |
| Attachment 15 | NMED Reply, Email Request for Confirmation of Compliance with DP-1835 Pre-Discharge Requirements |
| Attachment 16 | Confirmation of Compliance with Discharge Permit 1835 Pre-Discharge Requirements, Los Alamos National Laboratory Underground Injection Control Wells |
| Attachment 17 | Drilling Work Plan for Groundwater Injection Well CrIN-6 |
| Attachment 18 | Approval, Drilling Work Plan for Groundwater Injection Well CrIN-6 |
| Attachment 19 | LANL, DP-1835, Notification to Temporarily Limit Injection into CrIN-1 and CrIN-6 |
| Attachment 20 | Notification of Commencement of Injection at CrIN-6, Discharge Permit DP-1835, Class V Underground Injection Control Wells |
| Attachment 21 | NMED Response – Notification of Commencement of Injection at CrIN-6, Discharge Permit DP-1835, Class V Underground Injection Control Wells |
| Attachment 22 | Path Forward in Response to NMED’s September 1, 2017 Notification to Temporarily Limit Injection into CrIN-1 and CrIN-6, Discharge Permit DP-1835 |
| Attachment 23 | Path Forward in Response to NMED’s September 1, 2017 Notification to Temporarily Limit Injection into CrIN-1 and CrIN-6, Discharge Permit DP-1835 |
| Attachment 24 | Evaluation of Chromium Plume Control Interim Measure Operational Alternatives for Injection Well CrIN-6 |
| Attachment 25 | NMED Response, Evaluation of Chromium Plume Control Interim Measure Operational Alternatives for Injection Well CrIN-6 |
| Attachment 26 | Evaluation of Chromium Plume Control Interim Measure Operational Alternatives for Injection Well CrIN-6 |
| Attachment 27 | Assessment Work Plan for the Evaluation of Conditions in the Regional Aquifer Around Well R-70 |
| Attachment 28 | Approval, Assessment Work Plan for the Evaluation of Conditions in the Regional Aquifer Around Well R-70 |
| Attachment 29 | Assessment Report for the Evaluation of Conditions in the Regional Aquifer Around Well R-70 |
| Attachment 30 | Review, Assessment Report for the Evaluation of Conditions in the Regional Aquifer Around Well R-70 |
| Attachment 31 | DP-1835 Permit Renewal Application and modification |
| Attachment 32 | Administrative Completeness Determination and Applicant’s Public Notice Requirements, DP-1835 |
| Attachment 33 | NMED Request for Additional Information for Los Alamos National Laboratory Underground Injection Control Wells, Discharge Permit 1835 |
| Attachment 34 | DOE Response to New Mexico Environment Department Ground Water Quality Bureau Request for Additional Information for Los Alamos National Laboratory Underground Injection Control Wells, Discharge Permit 1835 |
| Attachment 35 | Notice of Non-Compliance, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 36 | Response to New Mexico Environment Department Ground Water Quality Bureau Notice of Non-Compliance, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 37 | Notice of Violation, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 38 | Response to Notice of Violation, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 39 | Superseding Correspondence Submitted on July 5, 2022: Response to Notice of Violation, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 40 | Request for Extension for Fiscal Year 2022 Appendix B Milestone #7, Letter Report Documenting Completion of R-73 and Collection of First Samples due to Force Majeure and Unanticipated Breakage of Lines of Pipe |
| Attachment 41 | Request for Additional Time for the Submittal of a Corrective Action Plan, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 42 | Submittal of the Regional Aquifer Monitoring Well R-45 Action Plan |
| Attachment 43 | Corrective Action Plan Response and Further Action Required, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 44 | NMED Follow-up on Corrective Action Plan Response and Further Action Required, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 45 | Submittal of Initial Five-Year Evaluation of the Interim Measures for Chromium Plume Control with an Assessment of Potential Modifications to Operations |
| Attachment 46 | Request for 45-Day Extension Regarding Notification of Cessation of Injection Activities, Los Alamos National Laboratory Underground Injection Control Wells, Discharge Permit 1835 |
| Attachment 47 | Notification of Cessation of Injection Activities as Required per the Corrective Action Plan Response and Further Action Required, Los Alamos National Laboratory Underground Injection Control Wells, DP-1835 |
| Attachment 48 | Corrective action under DP-1835 associated with the chromium plume |
| Attachment 49 | Response to New Mexico Environment Department September 6, 2023, Letter, “Corrective action under DP-1835 associated with the chromium plume” |
| Attachment 50 | Response to DOE December 5, 2023 Letter, Response to New Mexico Environment Department September 6, 2023, Letter, “Corrective action under DP-1835 associated with the chromium plume” |
| Attachment 51 | Response to New Mexico Environment Letter of February 6, 2024, Regarding Resumption of Interim Measures Associated with the Chromium Plume |
| Attachment 52 | Response to DOE April 10, 2024, Letter Response to New Mexico Environment Letter of February 6, 2024, Regarding Resumption of Interim Measures Associated with the Chromium Plume |
| Attachment 53 | Independent Technical Review Chromium Interim Measures Remediation System in Mortandad Canyon Los Alamos, New Mexico |
| Attachment 54 | Withdrawal of the Temporary Authorization for Partial Operation of Discharge Permit 1835 (DP-1835) |
| Attachment 55 | DOE Response, Withdrawal of the Temporary Authorization for Partial Operation of Discharge Permit 1835 (DP-1835) |
| Attachment 56 | DOE Response, Notification of Withdrawal of the Temporary Authorization for Partial Operation of Discharge Permit 1835 |
