Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples; German version EN 16161:2012
Edition 2012-09

Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfate; German version EN 16037:2012
Edition 2012-09

Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment; German version EN 16101:2012
Edition 2012-12

Engineering survey - Part 4: Deformation measurements
Edition 2010-09

Explosion venting devices; German version EN 14797:2006
Edition 2007-03

Copper and copper alloys - Ingots and castings; German version EN 1982:2017
Edition 2017-11

Flanges and their joints - Gasket parameters and test procedures relevant to the design rules for gasketed circular flange connections; German version EN 13555:2021
Edition 2021-04

Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods; German version EN 15910:2014
Edition 2014-07

Child use and care articles - Soother holder - Safety requirements and test methods; German version EN 12586:2007+A1:2011
Edition 2011-04

Energy management systems - Guidance for the implementation, maintenance and improvement of an ISO 50001 energy management system (ISO 50004:2020)
Edition 2021-11