Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016); German version EN ISO 6976:2016— 67 стр.
Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 6: Critical flow orifices (ISO 6145-6:2017); German version EN ISO 6145-6:2017— 36 стр.
Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015)— 72 стр.
Workplace exposure - Procedures for measuring gases and vapours using pumped samplers - Requirements and test methods; German version EN 1076:2009— 46 стр.
Workplace exposure - Procedures for measuring gases and vapours using diffusive samplers - Requirements and test methods; German version EN 838:2010— 47 стр.