Archives of Directives

Version history of DOE O 420.2E

Every revision of DOE O 420.2E held in Directives, oldest first — 6 documents, with the supersession and cancellation dates that connect them.

  1. DOE O 420.2 Chg 1Safety of Accelerator Facilities

    ArchiveIssued May 26, 1999Retired Jan 08, 2001

  2. superseded by

  3. DOE O 420.2ASafety of Accelerator Facilities

    ArchiveIssued Jan 08, 2001Retired Jul 23, 2004

  4. superseded by

  5. DOE O 420.2BSafety of Accelerator Facilities

    ArchiveIssued Jul 23, 2004Retired Jul 21, 2011

  6. superseded by

  7. DOE O 420.2CSafety of Accelerator Facilities

    ArchiveIssued Jul 21, 2011Retired Sep 09, 2022

  8. superseded by

  9. DOE O 420.2DSafety of Accelerators

    ArchiveIssued Sep 09, 2022Retired Aug 05, 2026

  10. superseded by

  11. DOE O 420.2ESafety of Accelerators

    Current versionCurrentIssued Aug 05, 2026

Back to DOE O 420.2 Chg 1