Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality; German and English version prEN 17899:2022
Edition 2022-10

Conservation of cultural property - Condition survey and report of built cultural heritage; German version EN 16096:2012
Edition 2012-10

Doping prevention in sport - Good development and manufacturing practices aimed at preventing the presence of prohibited substances in food intended for sportspeople and food supplements; German version EN 17444:2021
Edition 2021-04

Petroleum measurement systems - Calibration - Volumetric measures, proving tanks and field measures (including formulae for properties of liquids and materials) (ISO 8222:2020 + Amd 1:2022); German version EN ISO 8222:2020 + A1:2022
Edition 2022-04

Water quality - Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne (ISO 10710:2010); German version EN ISO 10710:2013
Edition 2013-06

Guidelines for the establishment and development of thesauri; multilingual thesauri
Edition 1993-10

Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique); German version EN 15204:2006
Edition 2006-12

Water quality - Determination of dissolved oxygen - Optical sensor method (ISO 17289:2014)
Edition 2014-12

Requirements for the training of scientific divers - Part 3: Scientific diving project leader (ISO 8804-3:2024); German version EN ISO 8804-3:2024
Edition 2024-10

Requirements for the training of scientific divers - Part 1: Scientific divers (ISO 8804-1:2024); German version EN ISO 8804-1:2024
Edition 2024-10