ANSI-Z535.1 Complete Document History
American National Standard for Safety Colors

Complete Current Edition:
   2017 EDITION - - Dec. 1, 2017

Obsolete Revision Information:
   2006 R11 EDITION - REAPPROVED IN 2011 - Sept. 1, 2011
   2006 EDITION - SAFETY COLOR CODE - July 1, 2006
   2002 EDITION - OBSOLETE EDITION BY REQUEST. - Jan. 1, 2002
   1998 EDITION - OBSOLETE EDITION BY REQUEST. - Feb. 23, 1998
   1991 EDITION - OBSOLETE EDITION BY REQUEST. - June 1, 1991
   1987 DRAFT - SAFETY COLOR CODE - Sept. 1, 1987