Water quality - Determination of selected polycyclic aromatic hydrocarbons (PAH) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography-mass spectrometry (GC-MS); German version EN 16691:2015
Edition 2015-12

Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters; German version EN 16698:2015
Edition 2015-12

Technical specifications for centrifugal pumps - Class I (ISO 9905:1994)
Edition 1997-03

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 44: Determination of selected heterocyclic aromatic hydrocarbons (NSO heterocycles) in water - Method using gas chromatography and mass spectrometry (GC/MS) after solid-phase extraction (SPE) (F 44)
Edition 2018-02

Concepts, abbreviations and symbols in geodesy - Part 2: Engineering geodesy
Edition 2020-03

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 37: Determination of organochlorine pesticides, polychlorinated biphenyls and chlorobenzene in water - Method using gas chromatography and mass spectrometric detection (GC-MS) after liquid-liquid extraction (F 37)
Edition 2013-11

German standard methods for the examination of water, waste water and sludge - Biological-ecological analysis of water (group M) - Part 1: Determination of the saprobic index in running waters (M 1)
Edition 2004-10

Private security services - Part 1: General requirements for security service providers
Edition 2022-10

Resilient, textile and laminate floor coverings - Environmental product declarations - Product category rules; German version EN 16810:2017
Edition 2017-08

Sustainability of construction works - Assessment of economic performance of buildings - Calculation methods; German version EN 16627:2015
Edition 2015-09