® Underwriters Laboratories Inc.®
Santa Clara, california· (408) 985-2400 Research Triangle Park, North Carolina. (919)549-1400 camas, Washington. (360) 817-5500
Underwriters Laboratories, Inc., founded in 1894, is chartered as a not-for-profit organization without capital stock, under the laws of the State ofDelaware, to establish, maintain, and operate laboratories for the examination and testing of devices, systems and materials to determine their relation to hazards to life and property, and to ascertain,define and publish standards, classifications and specifications for materials, devices, products, equipment, constructions, methods, and systems affecting such hazards. UL Standards for Safety aredeveloped under a procedure which provides for participation and comment from the affected public as well as industry. The procedure takes into consideration a survey of known existing standards and theneeds and opinions of a wide variety of interests concerned with the subject matter of the standard. Thus manufacturers, consumers, individuals associated with consumer-oriented organizations,academicians, government offiCials, industrial and commercial users, inspection authorities, insurance interests and others provide input to UL in the formulating of UL Standards for Safety, to keep themconsonant with social and technological advances.
A not-for-profit organization dedicated to public safety and committed to Quality service
July 27, 1998 - UL 58
UnderwritersLaboratories Inc. (UL) 333 Pfingsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Steel Underground Tanks for Flammable and Combustible Liquids, UL 58 Ninth Edition, Dated December 13, 1996Revisions: This Standard contains revisions through and including July 27, 1998. UL is in the process of converting its Standards for Safety to the Standard Generalized Markup Languag e . (SGML). SGML...