API RP 5A5 Errata Errata to Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Seventh Edition Amendment by American Petroleum Institute, 12/01/2009
API RP 934-A Addendum 1 Addendum 1 to Materials and Fabrication of 2 1/4Cr-1Mo, 2 1/4Cr-1Mo-1/4V, 3Cr-1Mo, and 3Cr-1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-temperature, High-pressure Hydrogen Service, Second Edition Amendment by American Petroleum Institute, 02/01/2010
API RP 2N Errata Errata for Recommended Practice for Planning, Designing and Constructing Structures and Pipelines for Arctic Conditions Amendment by American Petroleum Institute, 12/01/2009
API MPMS Chapter 2.2E Errata Errata to API Manual of Petroleum Measurement Standards, Chapter 2.2E, Petroleum and Liquid Petroleum Products-Calibration of Horizontal Cylindrical Tanks-Part 1: Manual Methods, First Edition Amendment by American Petroleum Institute, 11/11/2009
API Std 618 Errata 1 Errata 1 for Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services, Fifth Edition Amendment by American Petroleum Institute, 11/01/2009
API Std 6A718 Errata Errata to Nickel Base Alloy 718 (UNS N07718) for Oil and Gas Drilling and Production Equipment, Second Edition Amendment by American Petroleum Institute, 04/01/2010
API Spec 5L Addendum 2 Addendum 2 to Specification for Line Pipe, Forty-fourth Edition Amendment by American Petroleum Institute, 04/01/2010
API RP 14B Errata Errata to Design, Installation, Repair and Operation of Subsurface Safety Valve Systems, Fifth Edition Amendment by American Petroleum Institute, 11/09/2010
API Spec 5L Addendum 3 Addendum 3 to Specification for Line Pipe, Forty-fourth Edition Amendment by American Petroleum Institute, 07/01/2011
API 672 Errata 2 Errata 2 for Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services Amendment by American Petroleum Institute, 07/01/2010
API Std 618 Errata 2 Errata 2 for Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services, Fifth Edition Amendment by American Petroleum Institute, 07/01/2010
API Std 650 Errata Errat to Welded Steel Tanks for Oil Storage, 11th Edition Amendment by American Petroleum Institute, 10/01/2011