API RP 941 Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum... API MPMS 4.9.1 Manual of Petroleum Measurement Standards Chapter 4Proving Systems Section 9Met... API MPMS 17.9 Manual of Petroleum Measurement Standards Chapter 17 El Hydrocarbon Management ... API RP 2219 Safe Operation of Vacuum Trucks in Petroleum Service API MPMS 3.3 Manual of Petroleum Measurement Standards Chapter 3-Tank Gauging Section 3-Stan... API PUBL 7101 National Survey on Naturally Occurring Radioactive Material (NORM) in Petroleum... API MPMS 4.9.2 Manual of Petroleum Measurement Standards Chapter 4Proving Systems Section 9Met... API MPMS 13.1 Manual of Petroleum Measurement Standards Chapter 13 - Statistical Aspects of M... API STD 2217A Guidelines for Safe Work in Inert Confined Spaces in the Petroleum and Petroche... API PUBL 2378 1999 Survey on Petroleum Industry Occupational Injuries, Illnesses and Fataliti... API STD DEFINITIONS Standard Definitions for Petroleum Statistics API MPMS 11.1 Manual of Petroleum Measurement Standards Chapter 11-Physical Properties Data S... API PUBL 4599 Interlaboratory Study of Three Methods for Analyzing Petroleum Hydrocarbons in ... API MPMS 12.2.5 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum... API MPMS 12.2.4 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum... API MPMS 12.2.2 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petroleum Q... API MPMS 12.2.1 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum... API MPMS 12.2.1 ERTA Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petr... API MPMS 12.3 ADD 1 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petro... API MPMS 12.2.5 ADD 1 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petro... API MPMS 12.2.4 ADD 1 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petro... API MPMS 12.2.3 ADD 1 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petro... API MPMS 12.2.2 ADD 1 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petro... API SPEC 20A Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings for ...