Guidelines for Work in Inert Confined Spaces in the Petroleum Industrystandard by American Petroleum Institute, 11/01/1997

Climate Change Policy Commitments: A Reality Checkstandard by American Petroleum Institute, 12/01/1997

Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries: Part II - Installationstandard by American Petroleum Institute, 12/01/1994

Suggested Procedure for Development of Spill Prevention Control and Countermeasure Plans - PLAN TEMPLATEstandard by American Petroleum Institute, 05/01/2004

Controlling Weld Hardness of Carbon Steel Refinery Equipment to Prevent Environmental Cracking - WITHDRAWN - NO S/S Documentstandard by American Petroleum Institute,

Compact Steel Gate Valves - Flanged, Threaded, Welding, and Extended-Body Endsstandard by American Petroleum Institute, 10/01/1998

Tank Inspection, Repair, Alteration, and Reconstruction, Errata 1Amendment by American Petroleum Institute, 05/01/1995

Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Servicesstandard by American Petroleum Institute, 09/01/1996

Special-Purpose Couplings for Petroleum, Chemical, and Gas Industry Servicesstandard by American Petroleum Institute, 10/01/1998

Errata 1 to Piping Inspection Code: In-service Inspection, Repair, and Alteration of Piping Systems, Fourth EditionAmendment by American Petroleum Institute, 04/01/2018

Addenda 3 - Piping Inspection Code: Inspection, Repair, Alteration, and Rerating of In-Service Piping SystemsAmendment by American Petroleum Institute, 08/01/2003

Bulletin on Formulas and Calculations for Casing, Tubing, Drill Pipe, and Line Pipe Propertiesstandard by American Petroleum Institute, 04/15/1999