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.
- Monthly Notification of Groundwater Data Reviewed in September 2025
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-703909_EMLA-25-BF339-2-1_Sept_2025_mnthly_GW_092425.pdf - Submittal of the Phase III Investigation Report for Chaquehui Canyon Aggregate Area
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-703910_EMLA-25-BF246-2-1_Chaquehui_Cyn_AA_Ph3_IR_092425.pdf - Response to the New Mexico Environment Department Approval, 2024 Sandia Wetland Performance Report, Los Alamos National Laboratory, EPA ID#NM0890010515, HWB-LANL-25-022, dated June 2, 2025
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-703911_EMLA-25-BF312-2-1_Sandia_Wetland_Rpt_Cmmt_Resp_092525.pdf - Submittal of the Supplemental Investigation Report for Material Disposal Area T, at Technical Area 21
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-703912_EMLA-25-BF292-2-1_MDA_T_SIR_092525.pdf - Submittal of the 2025 Annual Long-Term Monitoring and Maintenance Report for the Corrective Measures Implementation at Former 260 Outfall Area
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-703913_EMLA-25-BF310-2-1_2025_LTMM_092525.pdf