In-line Inspection Systems Qualification Standard, First Edition
standard by American Petroleum Institute, 08/01/2005

Tank Seals and Fittings Certification – Administration
Handbook / Manual / Guide by American Petroleum Institute, 03/01/1998

Determination of Water and Sediment in Fuel Oils by the Centrifuge Method (Laboratory Procedures)
Handbook / Manual / Guide by American Petroleum Institute, 04/01/1995

Refinery Control Valves
standard by American Petroleum Institute, 09/01/1998

Guidelines and Procedures for Entering and Cleaning Petroleum Storage Tanks
standard by American Petroleum Institute, 08/01/2001

Design and Construction of Large, Welded, Low-Pressure Storage Tanks
standard by American Petroleum Institute, 02/01/1970

Graphical Approach for Determining Site-Specific Dilution-Attenuation Factors (DAFs)-Technical Background Document and User's Guide
standard by American Petroleum Institute, 02/01/1998

Specification for Line Pipe, Twenty-seventh Edition
standard by American Petroleum Institute, 03/01/1973

Positive Displacement Pumps – Reciprocating, Includes Errata (May 2014), Errata 2 (April 2015)
standard by American Petroleum Institute, 12/01/2010

Groundwater Protection Programs for Petroleum Refining and Storage Facilities: A Guidance Document
standard by American Petroleum Institute, 10/01/1994