Constructing libraries and archives - Requirements and recommendations for planning
Edition 2017-05

German standard methods for the examination of water, waste water and sludge - Test methods using water organisms (group L) - Part 59: Algal growth inhibition test on microplate with unicellular green fresh water algae (L 59)
Edition 2022-12

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 14: Determination of selected polyfluorinated compounds (PFC) in sludge, compost and soil - Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS) (S 14)
Edition 2011-08

Water quality - Determination of chloride by flow analysis (CFA and FIA) and photometric or potentiometric detection (ISO 15682:2000); German version EN ISO 15682:2001
Edition 2002-01

Water quality - Determination of six complexing agents - Gas-chromatographic method (ISO 16588:2002); German version EN ISO 16588:2003
Edition 2004-02

Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography (ISO 9377-2:2000); German version EN ISO 9377-2:2000
Edition 2001-07

Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method (ISO 6878:2004); German version EN ISO 6878:2004
Edition 2004-09

Indoor air - Part 15: Sampling strategy for nitrogen dioxide (NO₂) (ISO 16000-15:2008); German version EN ISO 16000-15:2008
Edition 2009-04

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 36: Determination of selected active substances of plant protection products and other organic substances in water - Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS or -HRMS) after direct injection (F 36)
Edition 2014-09

Provision of services - Part 1: Service procurement - Guidance for the assessment of the capacity of service providers and evaluation of service proposals; German version EN 17371-1:2021
Edition 2021-06