Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed tube method (ISO 15705:2002)
Edition 2003-01

Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis; German version EN 12918:1999
Edition 1999-11

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 16: Determination of aniline derivates by gas chromatography (F 16)
Edition 1999-06

Fire stations - Part 7: Workshops
Edition 2024-06

Solid - GC-MS-Screening - Qualitative and semi-quantitative screening analysis
Edition 2022-02

Ergonomic principles related to mental workload - Part 3: Principles and requirements concerning methods for measuring and assessing mental workload (ISO 10075-3:2004); German version EN ISO 10075-3:2004
Edition 2004-12

German standard methods for the examination of water, waste water and sludge - Physical and physico-chemical parameters (group C) - Part 10: Calculation of the calcit saturation of water (C 10)
Edition 2012-12

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 46: Determination of purgeable organic carbon (POC) (H 46)
Edition 2012-12

Water quality - Nomenclatural requirements for the recording of biodiversity data, taxonomic checklists and keys; German version EN 16493:2014
Edition 2014-11

Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes; German version EN 14407:2014
Edition 2014-07