Errata – Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Zone 0, and Zone 2
Amendment by American Petroleum Institute, 08/17/1998

Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration – Includes Addenda 1, 2, 3 and 4 (1999, 2000, 2001, 2003)
standard by American Petroleum Institute, 06/01/1997

Pressure Vessel Inspection Code: In-Service Inspection, Rating, Repair, and Alteration, Ninth Edition
standard by American Petroleum Institute, 06/01/2006

Pressure Vessel Inspection Code: In-Service Inspection, Rating, Repair, and Alteration, Tenth Edition, Includes Addendum 1 (May 2017), Addendum 2 (March 2018)
standard by American Petroleum Institute, May 2014

Addendum 1 for Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration, Tenth Edition
Amendment by American Petroleum Institute, 05/01/2017

Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration – Addendum 1, 2, 3 and 4 (1999, 2000, 2001, 2003)
Amendment by American Petroleum Institute, 12/01/2001

Addendum 2 for Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration, Tenth Edition
Amendment by American Petroleum Institute, 03/01/2018

Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries: Part I – Sizing and Selection
standard by American Petroleum Institute, 03/01/1993

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