German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 42: Determination of selected polyfluorinated compounds (PFC) in water - Method using high performance liquid chromatography and mass spectrometric detection (HPLC/MS-MS) after solid-liquid extraction (F 42)
Edition 2011-03

Water quality - Guidance standard for the sampling of zooplankton from standing waters; German version EN 15110:2006
Edition 2006-08

Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton; German version EN 15972:2011
Edition 2011-11

Water quality - Guidance standard on determining the degree of modification of river hydromorphology; German version EN 15843:2010
Edition 2010-05

Air Quality - Certification of automated dust arrestment plant monitors for use on stationary sources - Performance criteria and test procedures; German version EN 15859:2010
Edition 2010-08

Water quality - Guidance standard for the surveying of macrophytes in lakes; German version EN 15460:2007
Edition 2008-01

Water quality - Guidance on the scope and selection of fish sampling methods; German version EN 14962:2006
Edition 2006-07

Heat exchangers - Methods of measuring the parameters necessary for establishing the performance; German version EN 306:1997
Edition 1997-07

Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes; German and English version prEN 13946:2024
Edition 2024-09

Acoustics - Software for the calculation of sound outdoors - Part 1: Quality requirements and quality assurance (ISO 17534-1:2015); Text in German and English
Edition 2022-05