API Spec 11E Addendum 1 Addendum 1 to Specifications for Pumping Units, Nineteenth Edition Amendment by American Petroleum Institute, 04/01/2018
API 570 Errata 1 Errata 1 to Piping Inspection Code: In-service Inspection, Repair, and Alteration of Piping Systems, Fourth Edition Amendment by American Petroleum Institute, 04/01/2018
API Std 20L Qualification of Polymeric Seal Manufacturers for Use in the Petroleum and Natural Gas Industries, First Edition standard by American Petroleum Institute, 04/01/2018
API TR 980 Monolithic Refractories: Installation and Dryout, First Edition standard by American Petroleum Institute, 04/01/2018
API MPMS Chapter 3.1B Standard Practice for Level Measurement of Liquid Hydrocarbons in Stationary Tanks by Automatic Tank Gauging, Third Edition Handbook / Manual / Guide by American Petroleum Institute, 04/01/2018
API Spec 5L Specification for Line Pipe, Forty-sixth Edition standard by American Petroleum Institute, 04/01/2018
API MPMS Chapter 13.2 Statistical Aspects of Measuring and Sampling Section 2 - Methods of Evaluating Meter Proving Data, Second Edition Handbook / Manual / Guide by American Petroleum Institute, 04/01/2018
API Std 976 Refractory Installation Quality Control-Inspection and Testing of AES/RCF Fiber Linings and Materials, Third Edition standard by American Petroleum Institute, 03/01/2018
API Std 64 Errata 1 Errata 1 for Diverter Equipment Systems, Third Edition Amendment by American Petroleum Institute, 03/01/2018
API RP 13B-2 Errata 2 Errata 2 to Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fifth Edition Amendment by American Petroleum Institute, 03/01/2018
API 570 Addendum 2 Addendum 2 to Piping Inspection Code: In-service Inspection, Repair, and Alteration of Piping Systems, Fourth Edition Amendment by American Petroleum Institute, 03/01/2018
API 510 Addenda 2 Addendum 2 for Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration, Tenth Edition Amendment by American Petroleum Institute, 03/01/2018