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Draft Document – German standard methods for the examination of water, waste water and sludge – Jointly determinable substances (group F) – Part 39: Determination of selected polycyclic aromatic hydrocarbons (PAH) – Method using gas chromatography with mass spectrometric detection (GC-MS) (F 39) standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2008
