Engine Oil Licensing and Certification System
standard by American Petroleum Institute, 12/01/1996

Specification for Quality Programs for the Petroleum and Natural Gas Industry, Eighth Edition, Includes Addendum 1 (2010)
standard by American Petroleum Institute, 12/01/2007

Specification for Sucker Rods
standard by American Petroleum Institute, 01/01/1998

Evaporative Loss from Storage Tank Floating-roof Landings, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 02/01/2017

Delineation and Characterization of the Borden MTBE Plume: An Evaluation of Eight Years of Natural Attenuation Processes
standard by American Petroleum Institute, 06/01/1998

Evaporation Loss Measurement: Evaporative Loss from Fixed Roof Tanks
Handbook / Manual / Guide by American Petroleum Institute, 10/01/1991

Protocol for Verification and Validation of High-pressure High-temperature Equipment
standard by American Petroleum Institute, 03/01/2013

Recommended Practice for Planning, Designing and Constructing Tension Leg Platforms, Third Edition
standard by American Petroleum Institute, 07/01/2010

Vehicle Emissions Testing of Rapidly Aged Catalysts
standard by American Petroleum Institute, 11/01/1997

Options for Minimizing Environmental Impacts of Freshwater Spill Response
standard by American Petroleum Institute, 02/01/1995