Index and Abstracts of API Health Related Research,1959-1994; 13th Edition
standard by American Petroleum Institute, 09/01/1995

Marine Vapor Control Training Guidelines
standard by American Petroleum Institute, 11/01/1993

Welding Processes, Inspection, and Metallurgy, Third Edition
standard by American Petroleum Institute, 10/01/2020

WITS – Wellsite Information Transfer Specification
standard by American Petroleum Institute, 07/01/1991

The Generation and Management of Wastes and Secondary Materials in the Petroleum Refining Industry: 1987-1988
standard by American Petroleum Institute, 02/01/1991

Shell and Tube Heat Exchangers for General Refinery Services
standard by American Petroleum Institute, 06/01/1993

API Spec Q1, Ninth Edition (Includes Errata (February 2014), Errata 2 (March 2014), Addendum 1 (June 2016) and 2 (June 2018)) and Spec Q2, First Edition (Includes Addendum 1 (June 2016)) Set
standard by American Petroleum Institute, 06/01/2013

Excavation Monitoring and Observation, Second Edition
standard by American Petroleum Institute, 10/01/2015

Proving Systems: Master-Meter Provers, Third Edition, Includes Errata 1 (2014)
Handbook / Manual / Guide by American Petroleum Institute, 11/01/2011

Specification for Line Pipe, Twenty-fifth Edition Includes Errata
standard by American Petroleum Institute, 04/01/1970