Addendum to Design and Operation of Subsea Production Systems - Subsea Wellhead and Tree Equipment, Second EditionAmendment by American Petroleum Institute,

Effect of Prudhoe Bay Crude Oil on the Homing of Coho Salmon in Marine Watersstandard by American Petroleum Institute, 09/01/1985

Specification for Casing and Tubing (U.S. Customary Units)standard by American Petroleum Institute, 11/01/1998

Refinery Wastewater Priority Pollutant Study Sample Analysis and Evaluation of Datastandard by American Petroleum Institute, 12/01/1981

Piping Inspection Code: In-service Inspection, Repair, and Alteration of Piping Systems, Fourth Edition, Includes Addendum 1, Addendum 2, Errata 1standard by American

Federally Mandated Training and Informationstandard by American Petroleum Institute, 01/01/1998

Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids - Concentric, Square-edged Orifice Meters, Part 4: Background, Development, Implementation Procedure, and

Tank Inspection, Repair, Alteration, and Reconstruction, Addendum 4Amendment by American Petroleum Institute, 12/01/1999

Petroleum in the Freshwater Environment, An Annotated Bibliography, 1946-1993standard by American Petroleum Institute, 03/01/1997

Errata 1 - Guide for Pressure-Relieving and Depressuring Systemsstandard by American Petroleum Institute, 02/15/1999

Errata 5 for Specification for Wellhead and Christmas Tree EquipmentAmendment by American Petroleum Institute, 05/01/2009

Specification for Drilling Equipmentstandard by American Petroleum Institute, 02/01/1996