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

Products used for treatment of water intended for human consumption - Bentonite; German version EN 13754:2009
Edition 2009-07

Products used for treatment of water intended for human consumption - Granular activated alumina; German version EN 13753:2009
Edition 2009-07

Conservation of cultural property - Test methods - Determination of static contact angle; German version EN 15802:2009
Edition 2010-04

Stainless steel needle tubing for the manufacture of medical devices - Requirements and test methods (ISO 9626:2016); German version EN ISO 9626:2016
Edition 2016-12

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse sound field applications; German version EN 16272-3-1:2023
Edition 2024-02

Workplace exposure - Quantitative measurement of airborne endotoxins; German version EN 14031:2021
Edition 2021-09

Activity measurement methods in the clearance of radioactive substances and components of nuclear facilities - Part 4: Contaminated and activated metal scrap
Edition 2013-04

Metallic materials - Small punch test method; German version EN 10371:2021
Edition 2021-06

Smoke control shutters - Part 3: Application of test results
Edition 1999-06