Archives of Policies & Directives

Version history of SD 251.1

Every revision of SD 251.1 held in Policies & Directives, oldest first — 3 documents, with the supersession and cancellation dates that connect them.

This history is not a single line of descent. Some of these documents are here because one revision replaced several earlier documents at once, bringing their own histories with it.

  1. NAP-1Establishment of a Policy Letter System for Managing Policy, Directives, and Business Practices Within the National Nuclear Security Administration

    ArchiveIssued May 21, 2002Retired Jul 05, 2011

  2. NAP-18Implementation of NNSA Pilot Program on Determination of Fiscal and Other Impacts of New or Revised Directives

    ArchiveIssued Jul 31, 2006Retired Jul 05, 2011

  3. cancelled by

  4. SD 251.1NNSA Policies, Supplemental Directives, and Business Operating Procedures

    Current versionArchiveIssued Jul 05, 2011

Back to SD 251.1