API Publ 4261 Alcohols and Esters: A Technical Assessment of Their Application as Fuels and Fuel Components standard by American Petroleum Institute, 06/01/2001
API RP 1631 Interior Lining and Periodic Inspection of Underground Storage Tanks standard by American Petroleum Institute, 06/01/2001
API 11AX Specification for Subsurface Sucker Rod Pumps and Fittings, Eleventh Edition standard by American Petroleum Institute, 06/01/2001
API H00006 Manual of Petroleum Measurement Standards Draft Standard- Measurement of Crude Oil by by Coriolis Meters standard by American Petroleum Institute, 06/01/2001
API 17J Errata Errata to API 17J: Unbonded Flexible Pipe Amendment by American Petroleum Institute, 05/25/2001
API Publ 4700 Primer for Evaluating Ecological Risk at Petroleum Release Sites standard by American Petroleum Institute, 05/01/2001
API 8A Addendum 1 Addendum 1 - Specification for Drilling and Production Hoisting Equipment Amendment by American Petroleum Institute, 05/01/2001
API 8C Addendum 1 Addendum 1, May 2001 - Specification for Drilling and Production Hoisting Equipment (PSL1 and PSL2) Amendment by American Petroleum Institute, 05/01/2001
API RP 49 (R2013) Recommended Practice for Drilling and Well Servicing Operations Involving Hydrogen Sulfide standard by American Petroleum Institute, 05/01/2001
API Std 2510 (R2011) Design and Construction of Liquefied Petroleum Gas Installations (LPG) standard by American Petroleum Institute, 05/01/2001
API RP 2021 (R2015) Management of Atmospheric Storage Tank Fires, Fourth Edition standard by American Petroleum Institute, 05/01/2001
API 560 Fired Heaters for General Refinery Services standard by American Petroleum Institute, 05/01/2001