German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 45: Interlaboratory comparisons for proficiency testing of laboratories (A 45)— 36 стр.
German standard methods for the determination of water, waste water and sludge - Jointly determinable substances (group F) - Part 3: Determination of polychlorinated biphenyls (F 3)— 75 стр.
Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)— 97 стр.
Soil quality - Sampling - Part 4: Guidance on the procedure for investigation of natural, near-natural and cultivated sites (ISO 10381-4:2003)— 20 стр.
Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:2019); Text in German and English
Soil quality - Guidelines for the identification of target compounds by gas chromatography and mass spectrometry (ISO 22892:2006); German version EN ISO 22892:2011— 27 стр.
Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO 23161:2009); German version FprEN ISO 23161:2011— 44 стр.
