German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of water from mineral springs and spas (A 18)
Edition 1991-05

Gas cylinders - Specifications and testing of LPG cylinder valves - Self-closing (ISO 14245:2021); German version EN ISO 14245:2021
Edition 2021-09

Gas cylinders - Specifications and testing of LPG cylinder valves - Manually operated (ISO 15995:2021); German version EN ISO 15995:2021
Edition 2021-09

Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment; German version EN 14996:2006
Edition 2006-08

Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019); German version EN ISO 7027-2:2019
Edition 2019-06

Investigations of the raw material in hardcoal-mining; macroscopic classification and description of overburden rock
Edition 1993-10

Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria (ISO 11348-1:2007 + Amd 1:2018); German version EN ISO 11348-1:2008 + A1:2018
Edition 2023-12

Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria (ISO 11348-2:2007 + Amd 1:2018); German version EN ISO 11348-2:2008 + A1:2018
Edition 2023-12

Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO 11348-3:2007 + Amd 1:2018); German version EN ISO 11348-3:2008 + A1:2018
Edition 2023-12

Drain and sewer systems outside buildings - Pumping systems - Part 2: Positive pressure systems; German version EN 16932-2:2018
Edition 2018-07