API Std 1104 Errata 2 Errata 2 for Welding of Pipelines and Related Facilities - 20th Edition Amendment by American Petroleum Institute, 12/01/2008
API Spec 6A Add 4 Addendum 4 to Specification for Wellhead and Christmas Tree Equipment Amendment by American Petroleum Institute, 12/01/2008
API Spec 6A Add 2 Addendum 2 to Specification for Wellhead and Christmas Tree Equipment Amendment by American Petroleum Institute, 12/01/2008
API Spec 6FC Errata 1 Errata 1 for Fire Test for Valve with Automatic Backseats Amendment by American Petroleum Institute, 12/01/2008
API Spec 6H Errata 1 Errata 1 for Specification for End Closures, Connectors, and Swivels Amendment by American Petroleum Institute, 12/01/2008
API 6FA Errata 2 Errata for Specification for Fire Test for Valves Amendment by American Petroleum Institute, 12/01/2008
API Spec 11E Specifications for Pumping Units, Eighteenth Edition, Includes Errata (2009) standard by American Petroleum Institute, 11/01/2008
API Std 936 Refractory Installation Quality Control-Inspection and Testing Monolithic Refractory Linings and Materials, Third Edition standard by American Petroleum Institute, 11/01/2008
API Spec 6D Errata Errata 2 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007) Amendment by American Petroleum Institute, 11/02/2008
API Bull 939E Identification, Repair, and Mitigation of Cracking of Steel Equipment in Fuel Ethanol Service, First Edition standard by American Petroleum Institute, 11/01/2008
API RP 1102 Errata 1 Errata 1 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition Amendment by American Petroleum Institute, 11/01/2008
API Std 650 Addendum 1 Addendum 1 to Welded Steel Tanks for Oil Storage, 11th Edition Amendment by American Petroleum Institute, 11/01/2008