DIN EN ISO 25140:2010-12 固定源排放 - 使用火焰離子化檢測 (FID) 自動測定甲烷濃度的方法 (ISO 25140:2010)
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