UL-252 Complete Document History
Standard for Compressed Gas Regulators

Complete Current Edition:
   11TH EDITION - Standard for Compressed Gas Regulators - Oct. 27, 2022
   CHANGE 08/23 - REVISION CHANGE - CODE A - Aug. 11, 2023

Obsolete Revision Information:
   CHANGE 08/18 - REVISION CHANGE - CODE B - Aug. 10, 2018
   10TH EDITION - Standard for Compressed Gas Regulators - Sept. 15, 2017
   CHANGE 01/15 - REVISION CHANGE - CODE B - Jan. 28, 2015
   CHANGE 09/13 - REVISION CHANGE - CODE B - Sept. 4, 2013
   9TH EDITION - COMPRESSED GAS REGULATORS - Sept. 16, 2010
   CHANGE 11/08 - REVISION CHANGE - CODE A - Nov. 25, 2008
   CHANGE 09/08 - REVISION CHANGE - CODE A - Sept. 9, 2008
   8TH EDITION - COMPRESSED GAS REGULATORS - Oct. 10, 2003
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Aug. 12, 2002
   DOD ADOPTION 1 - FYI ONLY: DOD ADOPTED - April 29, 2002
   7TH EDITION - COMPRESSED GAS REGULATORS - April 19, 1996
   1984 EDITION - COMPRESSED GAS REGULATORS - Jan. 1, 1984