German standard methods for the examination of water, waste water and sludge; general information (group A); calibration of analytical methods, evaluation of analytical results and linear calibration functions used to determine the performance characteristics of analytical methods (A 51)— 16 стр.
Characterization of waste - Static test for determination of acid potential and neutralisation potential of sulfidic waste; German version EN 15875:2011 + AC:2012— 28 стр.
Characterization of waste - Framework for the preparation and application of a testing programme - Objectives, planning and report; German version EN 16457:2014— 31 стр.
Characterization of waste - Static test for determination of acid potential and neutralisation potential of sulfidic waste; German version EN 15875:2011— 29 стр.
Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO 23161:2009); German version FprEN ISO 23161:2011— 44 стр.