BPU Hears Update On Hexavalent Chromium Plume
Joel Hebdon
N3B Deputy Manager
Environmental Remediation
By KIRSTEN LASKEY
Los Alamos Daily Post
kirsten@ladailypost.com
The Environmental Management – Los Alamos Field Office (EM-LA) and its contractor, N3B are grappling with how to solve a 22-year-old mystery.
The hexavalent chromium plume was first detected in 2004, N3B Deputy Manager for Environmental Remediation Joel Hebdon told the Board of Public Utilities (BPU) during a May 20 meeting at the Municipal Building. The plume, which is in the regional groundwater aquifer 1,000 feet beneath Mortandad and Sandia Canyon at Los Alamos Read More
How Is The U.S. Modernizing The Nuclear Tip Of The Spear?
A B61 Nuclear Bombs in a Bunker illustrates the unimaginable destructive power located in one storage bunker. Courtesy/Bulletin of the Atomic Scientists 2025
By Mark MacInnes
For the Los Alamos Daily Post
Adversaries and Urgency
As the United States confronts growing competition from China and Russia, much of the public discussion about nuclear deterrence focuses on missiles, submarines, and bombers. A recent online forum hosted by the Advanced Nuclear Weapons Alliance Deterrence Center highlighted a less visible challenge: rebuilding the industrial and scientific infrastructure Read More
New Hours At Bradbury Science Museum Start June 16
Bradbury Science Museum. Courtesy/LANL
LANL News:
Beginning June 16, the Bradbury Science Museum will be open from 9 a.m.–4p.m., Tuesday through Saturday, and from 12–4 p.m., Sunday.
This temporary change allows builders to remodel parts of the museum for a better visitor experience.
The museum appreciates your patience during these updates and looks forward to continuing to serve the community during this phase, and to sharing the new look with visitors soon.
LA-UR-26-24243 Read More
Documents Added To LANL Electronic Public Reading Room
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,
New Documents Added To LANL Electronic Reading Room
LANL News:
Documents have been added to the Los Alamos National Laboratory Electronic Reading Room. The document(s) have been submitted to fulfill one or more requirements of the Los Alamos National Laboratory.
Read MoreLaboratory Retiree Group First Tuesday Breakfast June 2
LRG News:
Lab retirees (and potential retirees) are invited to drop in at the Laboratory Retiree Group (LRG) monthly breakfast social between the hours of 8:30 and 10:30 a.m. June 2 at Muy Salsas at 1315 Trinity Drive.
Come hang out and join the conversation with other Lab retirees.
LRG will pay for your coffee and tea. Individuals will pay for their breakfast and other drinks.
The LRG is a non-profit organization that seeks to maintain communications with and to serve the needs and interests of all retirees from LANL. All laboratory retirees may join LRG.
Contact sgirard@losalamos.com or 505.672.3497 Read More
New Documents Added To Los Alamos Legacy Cleanup Contract Reading Room
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 Notice of Disapproval, Supplemental Investigation Report for Material Disposal Area T, at Technical Area 21, Los Alamos Laboratory (LANL), EPA ID# NM00890010515, HWB-LANL-25-054
https://ext.em-la.doe.gov/GovFTPFiles/api/GetFiles/GetFile?fileName=EMID-704341_EMLA-26-BF134-2-1_Resp_to_MDA_T_SIR_NOD_052126.pdf