API Spec 12GDU [ Withdrawn ] Specification for Glycol-Type Gas Dehydration Units standard by American Petroleum Institute, 12/15/1990
API Publ 4262 Methanol Vehicle Emissions standard by American Petroleum Institute, 12/01/1990
API BUL E1 Bulletin on the Generic Hazardous Chemical Category List and Inventory for the Oil and Gas Exploration and Production Industry, 2nd Edition standard by American Petroleum Institute, 12/01/1990
API Publ 4525 A Compilation of Field-Collected Cost and Treatment Effectiveness Data for the Removal of Dissolved Gasoline Components from Groundwater standard by American Petroleum Institute, 11/01/1990
API 16E [ Withdrawn ] Design of Control Systems for Drilling Well Control Equipment standard by American Petroleum Institute, 10/01/1990
API MPMS Chapter 14.3 Part 1 Natural Gas Fluids Measurement: Concentric, Square-Edged Orifice Meters - Part 1: General Equations and Uncertainty Guidelines Handbook / Manual / Guide by American Petroleum Institute, 09/10/1990
API 15LR Specification for Low Pressure Fiberglass Line Pipe standard by American Petroleum Institute, 09/01/1990
API 6RS Referenced Standards for Committee 6, Standardization of Valves and Wellhead Equipment standard by American Petroleum Institute, 07/01/1990
API Std 620 Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Eigth Edition standard by American Petroleum Institute, 06/01/1990
API RP 63 [ Withdrawn ] Recommended Practices for Evaluation of Polymers Used in Enhanced Oil Recovery Operations standard by American Petroleum Institute, 06/01/1990
API RP 920 [ Withdrawn ] Prevention of Brittle Fracture of Pressure Vessels - WITHDRAWN, No replacement standard by American Petroleum Institute, 03/01/1990
API 421 [ Withdrawn ] Management of Water Discharges: Design and Operation of Oil-Water Separators standard by American Petroleum Institute, 02/01/1990