SD 226.1-2, Defense Nuclear Security Governance, Cancellation Memo
In accordance with NNSA SD 251.1 B, Directives Management, all NNSA directives must be
reviewed and recertified for relevancy every three years. NA-70 reviewed SD 226.1-2 and
determined that its requirements, roles and responsibilities were implemented by the NNSA SD
226.1 C, NNSA Site Governance, and not needed.
Cancellation of SD 226.1-2 would have no impact on Safeguards and Security oversight of NNSA laboratories, plants, and sites and would eliminate an unnecessary directive.
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Section 1
NNSA-2024-002939
Department of Energy v rN
National Nuclear Security Administration o
Was h i n gto n ; Dc 20 58 5 Nationa} Nuclear Security Administration
MEMORANDUM FOR THE ADMINISTRATOR
Lewis E . matty signed by Lewis E.
Date: 2024.08.12 15:11:52
FROM: LEWIS E. MONROE Il Monroe -04'00
ASSOCIATE ADMINISTRATOR AND CHIEF,
DEFENSE NUCLEAR SECURITY
JOSE R. BERRIOS Jose R. Berrios Date: 2024.08.13 09:16:52 -04'00'
PROGRAM MANAGER, DIRECTIVES
OFFICE OF POLICY AND STRATEGIC PLANNING
SUBJECT: ACTION: Approve Cancellation of National Nuclear Security
Administration (NNSA) Supplemental Directive (SD) 226.1-2, Defense
Nuclear Security Governance
ISSUE: Cancellation of NNSA SD 226.1-2.
BACKGROUND: NNSA SD 226.1-2, issued on May 25, 2021, clarified roles and
responsibilities for program, functional, and field office portions of Safeguards and Security
oversight in accomplishing and sustaining mission work at NNSA laboratories, plants, and sites.
In accordance with NNSA SD 251.1B, Directives Management, all NNSA directives must be
reviewed and recertified for relevancy every three years. NA-70 reviewed SD 226.1-2 and
determined that its requirements, roles and responsibilities were implemented by the NNSA SD
226.1C, NNSA Site Governance, and not needed.
Cancellation of SD 226.1-2 would have no impact on Safeguards and Security oversight of
NNSA laboratories, plants, and sites and would eliminate an unnecessary directive.
SD 226.1-2 was circulated throughout the Nuclear Security Enterprise for review and
cancellation concurrence. Twelve offices concurred, and 17 offices did not respond. No offices
non-concurred.
SENSITIVITIES: None.
POLICY IMPACT: None.
URGENCY: None.
RECOMMENDATION: Approve the cancellation of NNSA SD 226.1-2, Defense Nuclear
Security Governance.
APPROVE: DISAPPROVE: NEEDS DISCUSSION: DATE: 3 / iy/ ZY