UL-1746 › Complete Document History
Standard for External Corrosion Protection Systems For Steel Underground Storage Tanks

Complete Current Edition:
   3RD EDITION - External Corrosion Protection Systems For Steel Underground - Jan. 17, 2007
   CHANGE 05/12 - REVISION CHANGE - CODE D - May 24, 2012
   CHANGE 12/14 - REVISION CHANGE - CODE D - Dec. 19, 2014

Obsolete Revision Information:
   CHANGE 02/02 - REVISION CHANGE - CODE D - Feb. 8, 2002
   2ND EDITION - External Corrosion Protection Systems For Steel Underground - July 27, 1993
   1ST EDITION - External Corrosion Protection Systems For Steel Underground - Jan. 1, 1989