Venting Atmospheric and Low-Pressure Storage Tanks: Nonrefrigerated and Refrigerated, Includes Errata (1999)
standard by American Petroleum Institute, 04/01/1998

Requirements for Safe Entry and Cleaning of Petroleum Storage Tanks, Eighth Edition
standard by American Petroleum Institute, 01/01/2018

Requirements for Safe Entry and Cleaning of Petroleum Storage Tanks, Seventh Edition
standard by American Petroleum Institute, 05/01/2014

Requirements for Safe Entry and Cleaning of Petroleum Storage Tanks, Sixth Edition (R2006)
standard by American Petroleum Institute, 08/01/2001

Guidelines for Safe Work in Inert Confined Spaces in the Petroleum and Petrochemical Industries, Third Edition
standard by American Petroleum Institute, 01/01/2005

Guidelines for Safe Work in Inert Confined Spaces in the Petroleum and Petrochemical Industries, Fourth Edition
standard by American Petroleum Institute, 07/01/2009

Contractor Safety Performance Process, Second Edition
standard by American Petroleum Institute, 03/01/2005

Overfill Protection for Storage Tanks in Petroleum Facilities, Fourth Edition
standard by American Petroleum Institute, 05/01/2012

Design and Construction of Liquefied Petroleum Gas Installations (LPG)
standard by American Petroleum Institute, 05/01/2001

USA Standard Method of Gaging Petroleum and Petroleum Products
standard by American Petroleum Institute, 01/01/1965