API 2220 Improving Owner and Contractor Safety Performance standard by American Petroleum Institute, 09/01/1991
API Publ 304 Evaluation of Restoration Alternatives for Ntaural rsources Injured by Oil Spills standard by American Petroleum Institute, 08/01/1991
API Publ 4531 Chemical Fate and Impact of Oxygenates in Groundwater: Solubility of BTEX from Gasoline-Oxygenate Mixtures standard by American Petroleum Institute, 08/01/1991
API Publ 305 Protecting Agricultural Crops from Ozone Exposures Key Issues and Future Research Directions standard by American Petroleum Institute, 08/01/1991
API Publ 3855 WITS - Wellsite Information Transfer Specification standard by American Petroleum Institute, 07/01/1991
API DR 141 Global Emissions of Carbon Dioxide from Petroleum Sources standard by American Petroleum Institute, 07/01/1991
API RP 64 Recommended Practices for Diverter Systems Equipment and Operations standard by American Petroleum Institute, 07/01/1991
API RP 17C Recommended Practice on TFL (Through Flowline) Systems standard by American Petroleum Institute, 07/01/1991
API Std 527 (R2007) Seat Tightness of Pressure Relief Valves standard by American Petroleum Institute, 07/01/1991
API MPMS Chapter 6.1 Metering Assemblies: Lease Automatic Custody Transfer (LACT) Systems, Second Edition, Includes Addendum 1 (2020) Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991
API MPMS Chapter 6.7 (R2018) Metering Assemblies: Metering Viscous Hydrocarbons, Second Edition Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991
API MPMS Chapter 6.6 (R2017) Metering Assemblies: Pipeline Metering Systems Handbook / Manual / Guide by American Petroleum Institute, 05/01/1991