Stationary source emissions - Manual method for the determination of the methane concentration using gas chromatography (ISO 25139:2011); German version EN ISO 25139:2011— 24 стр.
Air quality - Definition and determination of performance characteristics of an automatic measuring system (ISO 9169:2006); German version EN ISO 9169:2006— 40 стр.
Stationary source emissions - Automatic method for the determination of the methane concentration using flame ionisation detection (FID) (ISO 25140:2010); German version EN ISO 25140:2010— 38 стр.
Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)— 97 стр.
Air quality - Certification of automated measuring systems - Part 3: Performance criteria and test procedures for automated measuring systems for monitoring emissions from stationary sources
