FR: National Nuclear Security Administration

Notice of Intent to Prepare Supplemental EIS for Plutonium Facility

The National Nuclear Security Administration has issued a Notice of Intent to prepare a supplemental environmental impact statement (SEIS) for enhanced plutonium facility utilization at Lawrence Livermore National Laboratory. The agency is seeking public comments on the scope and alternatives for the SEIS.

Proposed Subsequent Arrangement by National Nuclear Security Administration

The National Nuclear Security Administration has published a proposed subsequent arrangement. This notice outlines the details of the proposed arrangement and provides information on its effective date, which is contingent on congressional notification.

NNSA Notice of Intent for Plutonium Pit Production EIS

The National Nuclear Security Administration (NNSA) has issued a Notice of Intent to prepare a Programmatic Environmental Impact Statement (PEIS) for plutonium pit production. The NNSA is seeking public input on the scope of the PEIS, with a comment deadline of July 14, 2025.

NNSA Amendment to Property for Kansas City National Security Campus New Mexico Operations

The National Nuclear Security Administration (NNSA) has issued a notice amending and adding property for the Kansas City National Security Campus (KCNSC) New Mexico Operations (NMO). This action is effective immediately upon publication.

NNSA Notice of Process Change for Environmental Impact Statements

The National Nuclear Security Administration (NNSA) has issued a notice regarding a change in the process for preparing the site-wide environmental impact statement for Sandia National Laboratories and the supplemental environmental impact statement for Lawrence Livermore National Laboratory. This notice details procedural adjustments for these ongoing environmental reviews.