Notice of 229 Boundary for the SLAC National Accelerator Laboratory

Issuing agencies

Abstract

Notice is hereby given that the U.S. Department of Energy, pursuant to the Atomic Energy Act of 1954, prohibits the unauthorized entry and the unauthorized introduction of weapons or dangerous materials, as provided in, into or upon the following described facilities and property of the SLAC National Accelerator Laboratory of the U.S. Department of Energy.

Full Text

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<title>Federal Register, Volume 91 Issue 212 (Wednesday, November 4, 2026)</title>
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[Federal Register Volume 91, Number 212 (Wednesday, November 4, 2026)]
[Notices]
[Page 69553]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-22473]


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DEPARTMENT OF ENERGY


Notice of 229 Boundary for the SLAC National Accelerator 
Laboratory

AGENCY: Office of Science, Department of Energy.

ACTION: Notice of 229 Boundary for the SLAC National Accelerator 
Laboratory.

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SUMMARY: Notice is hereby given that the U.S. Department of Energy, 
pursuant to the Atomic Energy Act of 1954, prohibits the unauthorized 
entry and the unauthorized introduction of weapons or dangerous 
materials, as provided in, into or upon the following described 
facilities and property of the SLAC National Accelerator Laboratory of 
the U.S. Department of Energy.

DATES: This action is effective on November 4, 2026.

FOR FURTHER INFORMATION CONTACT: Mr. Tyler M. Walker, Real Estate 
Contracting Officer, 301 Laboratory Road, Oak Ridge, TN 37830, Email: 
<a href="/cdn-cgi/l/email-protection#c8bcb1a4adbae6bfa9a4a3adba88aca7ade6afa7be"><span class="__cf_email__" data-cfemail="b7c3cedbd2c599c0d6dbdcd2c5f7d3d8d299d0d8c1">[email&#160;protected]</span></a>; Telephone: (865) 469-1183.

SUPPLEMENTARY INFORMATION: This security boundary is designated 
pursuant to Section 229 of the Atomic Energy Act of 1954 as amended, 
and as implemented by U.S. Department of Energy's regulations regarding 
Trespassing on Department of Energy Property at 10 CFR part 860.
    The following supplement is made:
    The U.S. Department of Energy installation known as the SLAC 
National Accelerator Laboratory, located in the City of Menlo Park, San 
Mateo County, California, with a physical address of 2575 Sand Hill 
Road, Menlo Park, CA 94025.
    The site, consisting of approximately 426.3 acres, is controlled 
through a long-term ground lease between the United States Department 
of Energy by the Board of Trustees of the Leland Stanford Junior 
University. The SLAC National Accelerator Laboratory boundary is 
indicated by a combination of signage at entrances and along the 
perimeter, and chain link fencing, and other physical features which 
surround the facility.
    Signing Authority: This document of the Department of Energy was 
signed on October 5, 2026, by Tyler M. Walker, Real Estate Contracting 
Officer, pursuant to delegated authority from the Secretary of Energy. 
That document with the original signature and date is maintained by 
DOE. For administrative purposes only, and in compliance with 
requirements of the Office of the Federal Register, the undersigned DOE 
Federal Register Liaison Officer has been authorized to sign and submit 
the document in electronic format for publication, as an official 
document of the Department of Energy. This administrative process in no 
way alters the legal effect of this document upon publication in the 
Federal Register.

    Signed in Washington, DC, on November 2, 2026.
Jennifer Hartzell,
Alternate Federal Register Liaison Officer, U.S. Department of Energy.
[FR Doc. 2026-22473 Filed 11-3-26; 8:45 am]
BILLING CODE 6450-01-P


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