UL Subject 6500
Standard for Audio/Video and Musical Instrument Apparatus for Household, Commercial, and Similar General Use (Bulletin, 12/10/1999)
standard by Underwriters Laboratories, 12/10/1999
UL Subject 142
Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids (Bulletin, 11/1/1999)
standard by Underwriters Laboratories, 11/01/1999
UL Subject 125
Standard for Valves for Anhydrous Ammonia and LP-Gas (Other Than Safety Relief) (Bulletin, 7/30/1999)
standard by Underwriters Laboratories, 07/30/1999
UL Subject 971
Standard for Nonmetallic Underground Piping for Flammable Liquids (Bulletin, 7/19/1999)
standard by Underwriters Laboratories, 07/19/1999