Steel Aboveground Tanks for Flammable and Combustible Liquids
FEBRUARY 12, 2010 − UL 142
UL Standard for Safety for Steel Aboveground Tanks for Flammable and Combustible Liquids, UL 142 Ninth Edition, Dated December 28, 2006
Summary of Topics The following revisions to the ninth edition of UL 142 are beingpublished: 1. Revisions to clarify tank venting requirement 2. Revision to correct dike top wall hydro load deﬂection requirement
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FEBRUARY 12, 2010 − UL 142
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DECEMBER 28, 2006 (Title Page Reprinted: February 12, 2010)1 UL 142 Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids The ﬁrst edition was titled Horizontal and Vertical Aboveground Storage Tanks for Hazardous Liquids. The second edition was titled Aboveground Storage Tanks for Hazardous Liquids. First Edition – December, 1922 Second Edition – October, 1953 Third Edition – May, 1968 Fourth Edition – December, 1972 Fifth Edition –December, 1981 Sixth Edition – September, 1987 Seventh Edition – April, 1993 Eighth Edition – July, 2002 Ninth Edition December 28, 2006 This ANSI/UL Standard for Safety consists of the Ninth edition including revisions through February 12, 2010. The most recent designation of ANSI/UL 142 as an American National Standard (ANSI) occurred on February 11, 2010 ANSI approval for a standard does notinclude the Cover Page, Transmittal Pages, Title Page, or effective date information. The Department of Defense (DoD) has adopted UL 142 on August 11, 1989. The publication of revised pages or a new edition of this Standard will not invalidate the DoD adoption. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a...