1EPA Method 21 Determination of Volatile Organic Compound Leaks [S].
2ISO/CD 15848-1 Industrial valves-Fugitive emissions-Measurement, Test and Qualification Procedures-Part 1: Classification System and Qualification Procedures for Type Test of Fully Assembled Valves[S] .
3ISO/CD 15848-1 Industrial valves-Fugitive emissions-Measurement. Test and Qualification Procedures-Part 2: Production Acceptance Test of Valves Assemblies [S].
4SHELL MESC SPE77/312 INDUSTRIAL VALVES: Fugitive Emission Measurement, Classfication System, Qualification Procedures and Prototype and Production tests of ON/OFF and Control Valve Assemblies[S].
5VDI 2440 Emission Control Mineral Oil Refineries [S].
