Addendum 1 to Evaluation of Well Perforators, Second EditionAmendment by American Petroleum Institute, 04/01/2014

Recommended Practice for Construction Parallel to Existing Underground Transmission Pipelines, First Editionstandard by American Petroleum Institute, 04/01/2014

Errata 1 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)Amendment by American Petroleum Institute, 06/01/2008

Errata 6 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification)standard by American Petroleum Institute, 03/01/2014

Errata 1 & 2 for Specification for Drilling Fluid Materials, Eighteenth Editionstandard by American Petroleum Institute, 05/01/2015

Recommended Practice for Ultrasonic Evaluation of Pipe Imperfections, Second Edition, Includes Addendum 1 (2009)standard by American Petroleum Institute, 06/01/2005

Errata 3 to Welding of Pipelines and Related Facilities, 21st Edition, Includes Errata 1 (2013), Errata 2 (2014), Errata 3 (2014), and

Risk-Based Inspection Methodology, Third Edition, Includes Addendum 1 (2019)standard by American Petroleum Institute, 04/12/2016

Flame Arresters in Piping Systems, Third Editionstandard by American Petroleum Institute, 02/01/2002

Errata for Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division I and Division

Pipeline SCADA Alarm Management, First Editionstandard by American Petroleum Institute, 12/01/2010

Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services, Fifth Edition, Includes Errata 1 and 2 (2009 and 2010)standard by American Petroleum