Half Price Standard Code

Centrifugal Fans for Petroleum, Chemical and Gas Industry Services – Errata
standard by American Petroleum Institute, 10/31/2002

Developing a Pipeline Supervisory Control Center
standard by American Petroleum Institute, 02/01/2000

Land Treatability of Appendix VIII Constituents Present in Petroleum Refinery Wastes: Laboratory and Modeling Studies
standard by American Petroleum Institute, 04/01/1987

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

Verification of Lightning Protection Requirements for Aboveground Hydrocarbon Storage Tanks, First Edition
standard by American Petroleum Institute, 10/01/2009

Specification for Wellhead and Christmas Tree Equipment, Seventeenth Edition
standard by American Petroleum Institute, 11/01/1999

Addendum to Specification for Cements and Materials for Well Cementing, Twenty-Fifth Edition
Amendment by American Petroleum Institute, 11/01/2019

Specification for Wellhead and Christmas Tree Equipment, Errata
Amendment by American Petroleum Institute, 04/25/2005

Welding Connections to Pipe
standard by American Petroleum Institute, 12/01/1996

Digest of State Boiler, Pressure Vessel, Piping, and Aboveground Petroleum Storage Tank Rules and Regulations
standard by American Petroleum Institute, 11/01/1997