DS EN 12766-3:2005 Petroleum Products And Used Oils - Determination Of Pcbs And Related Products - Part 3: Determination And Quantification Of Polychlorinated Terphenyls (Pct) And Polychlorinated Benzyl Toluenes (Pcbt) Content By Gas Chromatography (Gc) Using An Electron Capture Detector (Ecd) Describes a method of test for the determination of polychlorinated terphenyls (PCT) and polychlorinated benzyl toluenes (PCBT) in petroleum products and related materials by means of a specified gas