Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 2: Method using continuous flow analysis (CFA) (ISO 14403-2:2012); German version EN ISO 14403-2:2012
Edition 2012-10

Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO 8692:2012); German version EN ISO 8692:2012
Edition 2012-06

Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
Edition 2014-07

Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010); German version EN ISO 9698:2015
Edition 2015-12

Water quality - Technetium-99 - Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) (ISO 22125-2:2019); German version EN ISO 22125-2:2019
Edition 2024-05

Hydraulic steel structures - Part 2: Design and manufacturing
Edition 2014-11

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

Ambient air quality - Atmospheric measurements near ground with FTIR spectroscopy; German version EN 15483:2008
Edition 2009-02