UFGS 21 22 00.00 20 Halon 1301 Fire Extinguishing  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
May-2011 N R

Reference update: modified notes in subpart 1.3 and 1.4

Nov-2009 N R

Removed paragraph 1.2 regarding Y2K