Characterization of sludges - Physical consistency - Part 1: Determination of flowability - Method by extrusion tube apparatus; German version EN 16720-1:2016— 19 стр.
Characterisation of sludges - Settling properties - Part 1: Determination of settleability (Determination of the proportion of sludge volume and sludge volume index)
Water quality - Sampling - Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems (ISO 5667-5:2006)— 25 стр.
Characterization of sludges - Physical consistency - Part 1: Determination of flowability - Method by extrusion tube apparatus; German version prEN 16720-1:2014
