Water quality - Guidance standard on determining the degree of modification of lake hydromorphology; German version EN 16870:2017
Edition 2017-05

Optics and photonics - Quality evaluation of optical systems - Determination of distortion (ISO 9039:2008)
Edition 2008-08

Feather and down - Test methods - Determination of microbiological state; German version EN 1884:1998
Edition 1998-11

Navigation - Concepts, abbreviations, letter symbols, graphical symbols
Edition 2005-02

Ceramic tiles - Part 2: Determination of dimensions and surface quality (ISO 10545-2:2018); German version EN ISO 10545-2:2018
Edition 2019-01

Rubber and plastics - Polymer dispersions and rubber latices - Determination of pH (ISO 976:2013)
Edition 2016-12

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
Edition 1983-09

Hexagon slotted and castle nuts - Part 1: Metric coarse and fine pitch thread, product grades A and B
Edition 2013-08

Conservation of cultural property - Test methods - Colour measurement of surfaces; German version EN 15886:2010
Edition 2010-12

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
Edition 1986-09