LANL News:
New documents have been added to the Los Alamos Legacy Cleanup Contract Electronic Public Reading Room.
All legacy cleanup documents required to be posted after April 30, 2018, are available on the site linked above.
For legacy cleanup documents that were posted prior to April 30, 2018, please visit the LANL electronic public reading room.
- Submittal of the Response to the Review, Periodic Monitoring Report for 2024 Vapor-Sampling Activities at Material Disposal Area C, Solid Waste Management Unit 50-009, at Technical Area 50, and Submittal of Revision 1
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704213_EMLA-26-BF058-2-1_MDA_C_Vapor_PMR_R1_Comm_Resp_022726.pdf
- Response to Comment on the Periodic Monitoring Report for 2024 Vapor-Sampling Activities at Material Disposal Area L, Solid Waste Management Unit 54-006, at Technical Area 54, Revision 1, Submittal of Revision 1
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704214_EMLA-26-BF078-2-1_MDA_L_Vapor_PMR_R1_Comm_Resp_022726.pdf
- Response to the New Mexico Environment Department’s Review of the 2025 Annual Progress Report on Chromium Interim Measure and Characterization, April 2024 through March 2025, EPA ID#NM0890010515, HWB-LANL-25-046, Dated December 30, 2025, and Submittal of Revision 1
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704216_EMLA-26-BF084-2-1_Cmmt_Resp_2025_Annual_Cr_Pr+Rep_Comm+Resp_R1_022726.pdf - Submittal of Completion Report for Regional Aquifer Monitoring Well R-76, Revision 1, and Comment Response
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704217_EMLA-26-BF089-2-1_R-76_WCR_Comm_Resp_and_Rev1_022726.pdf - Monthly Notification of Groundwater Data Reviewed in February 2026
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704218_EMLA-26-BF122-2-1_Feb26_monthly_GW_022726.pdf - Submittal of the Quarterly Report for the Discharge of Treated Groundwater to the Regional Aquifer under Discharge Permit 1835, Calendar Year 2025 Quarter 4, Class V Underground Injection Control Wells
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704220_N3B-2026-0034_DP-1835_4QCY25_022726.pdf - Discharge Permit DP-1793 Permit Condition #9 Annual Monitoring Report and Permit Condition #8 Discharge Report for 2025
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704221_N3B-2026-0053_DP-1793_2025_Annual_Rpt_022726.pdf