Maintenance - Maintenance engineering - Requirements; German version EN 17666:2022
Edition 2023-04

Surface chemical analysis - Analysis of zinc- and/or aluminium-based metallic coatings by glow-discharge optical-emission spectrometry (ISO 16962:2017)
Edition 2018-12

Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of presumptive Bacillus cereus - Colony-count technique at 30 degrees C (ISO 7932:2004 + Amd 1:2020, Corrected version 2020-08); German version EN ISO 7932:2004 + A1:2020
Edition 2020-11

Animal feeding stuffs - Guidelines for sample preparation (ISO 6498:2012); German version EN ISO 6498:2012
Edition 2012-09

Soil quality - Characterization of contaminated soil related to groundwater protection (ISO 15175:2018); German version EN ISO 15175:2018
Edition 2019-08

Characterization of waste - Leaching; Compliance test for leaching of granular waste materials and sludges - Part 4: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 10 mm (without or with limited size reduction); German version EN 12457-4:2002
Edition 2003-01

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalence of two analysis methods based on the comparison of analysis results (A 71)
Edition 2020-10

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 60: Analytical quality assurance for chemical and physicochemical water analysis (A 60)
Edition 2013-12

Analysis of natural gas - Biomethane - Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors (TD-GC-FID/MS) (ISO/DIS 2620:2023); German and English version prEN ISO 2620:2023
Edition 2023-12

Plant biostimulants - Determination of inorganic arsenic; German and English version prEN 17706:2023
Edition 2023-07