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.

• Response to the New Mexico Environment Department’s Notice of Disapproval, Phase III Investigation Report for Chaquehui Canyon Aggregate Area, Los Alamos National Laboratory, EPA ID #NM0890010515, HWB-LANL-25-051, dated January 22, 2026, and submittal of Revision 1
  https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704350_EMLA-26-BF221-2-1_Chaq_Cyn_Ph3_IR_Comm_Resp_Rev+1_052226.pdf