API 653-Supp-1 Tank Inspection, Repair, Alteration, and Reconstruction, Supplement 1 Amendment by American Petroleum Institute, 01/01/1992
API Std 1104 Errata 1 Errata 1 to Welding of Pipelines and Related Facilities, 21st Edition Amendment by American Petroleum Institute, 04/01/2014
API Spec 20A Addendum 2 Addendum 2 (includes Addendum 1) to Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings for Use in the Petroleum and Natural Gas Industry, First Edition Amendment by American Petroleum Institute, 04/01/2015
API RP 2MOP Errata Errata for Marine Operations, Petroleum and natural gas industries-Specifc requirements for offshore structures-Part 6: Marine Operations, First Edition, Includes Errata (2015) Amendment by American Petroleum Institute, 04/01/2015
API Spec 5L Errata 1 Errata for Specification for Line Pipe, Forty-fifth Edition Amendment by American Petroleum Institute, 04/01/2015
API Std 6X Errata 1 Errata to Design Calculations for Pressure-containing Equipment, First Edition Amendment by American Petroleum Institute, 05/01/2014
API RP 11AR (R2008) Errata Errata to Recommended Practice for Care and Use of Subsurface Pumps Amendment by American Petroleum Institute, 12/01/2013
API Spec 6D Errata Errata for Specification for Pipelineand Piping Valves, Twenty-Fourth Edition. Includes Errata 1 (2014), Errata 2 (2014), Errata 3 (2015), and Errata 4 (2015) Amendment by American Petroleum Institute, 07/01/2015
API Spec 6D Errata 4 Errata 4 to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition Amendment by American Petroleum Institute, 06/01/2015
API RP 500 Errata Errata for Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division I and Division 2, Third Edition Amendment by American Petroleum Institute, 01/01/2014
API RP 17H Errata Errata for Recommended Practice for Remotely Operated Vehicle (ROV) Interfaces on Subsea Production Systems, Second Edition Amendment by American Petroleum Institute, 01/01/2014
API Spec 13A Errata Errata 1, 2 & 3 for Specification for Drilling Fluid Materials, Eighteenth Edition Amendment by American Petroleum Institute, 07/01/2015