API Spec 7 Addendum 3 Addendum 3 to Specification for Rotary Drill Stem Elements, Fortieth Edition Amendment by American Petroleum Institute, 06/01/2008
API Spec 6D Errata Errata 1 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007) Amendment by American Petroleum Institute, 06/01/2008
API Std 521 Addendum Addendum to API Standard 521, Pressure-relieving and Depressuring Systems, Fifth Edition Amendment by American Petroleum Institute, 05/01/2008
API Std 614 Errata Errata for Lubrication, Shaft-sealing and Oil-control Systems and Auxiliaries, Fifth Edition (ISO 10438:2008, Modified) Amendment by American Petroleum Institute, 05/01/2008
API RP 2SK Addendum 1 Addendum to Design and Analysis of Stationkeeping Systems for Floating Structures Amendment by American Petroleum Institute, 05/01/2008
API MPMS Chapter 5.1 Errata Errata to Metering: General Considerations for Measurement by Meters Handbook / Manual / Guide by American Petroleum Institute, 06/12/2008
API Spec 13A Errata Errata to Specification for Drilling-Fluid Materials, Seventeenth Edition Amendment by American Petroleum Institute, 10/01/2008
API Std 607 Errata Errata to Fire Test for Soft-Seated Quarter-turn Valves, Fifth Edition Amendment by American Petroleum Institute, 11/01/2008
API Std 620 Addendum 1 Addendum to Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Eleventh Edition Amendment by American Petroleum Institute, 03/01/2009
API Spec 6D Errata Errata 3 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007) Amendment by American Petroleum Institute, 02/01/2009
API Spec 17J Errata 1 Errata 1 for Specification for Unbonded Flexible Pipe, Third Edition (ISO 13628-2:2006, Identical) Amendment by American Petroleum Institute, 02/01/2009
API RP 1102 Errata 1 Errata 1 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition Amendment by American Petroleum Institute, 11/01/2008