API 1156 Effects of Smooth and Rock Dents on Liquid Petroleum Pipelines, Phase I and Phase 2, Includes Addendum (1999) standard by American Petroleum Institute, 11/01/1997
API 850 [ Withdrawn ] API Standards 620, 650, and 653 Interpretations -- Tank Construction and In-Service Inspection - Answers to Technical Inquiries standard by American Petroleum Institute, 11/01/1997
API 598 Check Valves: Wafer, Wafer-Lug, and Double Flanged Type standard by American Petroleum Institute, 11/01/1997
API 3821 [ Withdrawn ] Implementation Guideline for Electronic Data Interchange, 3rd Edition standard by American Petroleum Institute, 11/01/1997
API RP 500 (R2002) Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division I and Division 2 standard by American Petroleum Institute, 11/01/1997
API 661 Air-Cooled Heat Exchangers for General Refinery Services standard by American Petroleum Institute, 11/01/1997
API 910 Digest of State Boiler, Pressure Vessel, Piping, and Aboveground Petroleum Storage Tank Rules and Regulations standard by American Petroleum Institute, 11/01/1997
API Publ 7105 Probabilistic Estimates of Dose and Indoor Radon Concentrations Attributable to Remediated Oilfield Naturally Occurring Radioactive Material (NORM) standard by American Petroleum Institute, 11/01/1997
API Publ 7104 Proceedings of the 1995 API and GRI Naturally Occurring Radioactive Material (NORM) Conference standard by American Petroleum Institute, 11/01/1997
API Publ 7102 Methods for Measuring Naturally Occuring Radioactive Materials (NORM) in Petroleum Production Equipment standard by American Petroleum Institute, 11/01/1997
API Publ 4663 Remediation of Salt-Affected Soils at Oil and Gas Production Facilities standard by American Petroleum Institute, 10/01/1997
API Publ 4662 Evaluation of a Petroleum Production Tank Emissions Model standard by American Petroleum Institute, 10/01/1997