API RP 1171

Functional Integrity of Natural Gas Storage in Depleted Hydrocarbon Reservoirs and Aquifer Reservoirs, Second Edition
standard by American Petroleum Institute, 11/01/2022

API Std 5LX

Specification for High-Test Line Pipe, Seventeenth Edition, Includes Supplement 1 (1970)
standard by American Petroleum Institute, 04/01/1970

API Std 1542

Identification Markings for Dedicated Aviation Fuel Manufacturing and Distribution Facilities, Airport Storage and Mobile Fuelling Equipment
standard by American Petroleum Institute, 08/01/2002