German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 7: Determination of acid and base-neutralizing capacities (H 7)
Edition 2005-12

Determination of shear strength between different layers or multilayer components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure; German version EN 1742:1998
Edition 1998-06

Stationary source emissions - Quality assurance and quality control procedures for automated dust arrestment plant monitors; German version EN 17389:2020
Edition 2020-07

German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)
Edition 1990-10

Optics and photonics - Test method for total scattering by optical components (ISO 13696:2022); German version EN ISO 13696:2022
Edition 2022-11

Pipelines of copper-nickel-alloys - Part 9: General principles for the radiographic examination; Text in German and English
Edition 2008-12

Aerospace series - Test method for metallic materials - Ultrasonic inspection of tubes; German and English version EN 3718:2012
Edition 2012-08

Petroleum and natural gas industries - Design and operation of subsea production systems - Part 4: Subsea wellhead and tree equipment (ISO 13628-4:2010 + Cor. 1:2011); English version EN ISO 13628-4:2010 + AC:2011, only on CD-ROM
Edition 2011-09

Acoustics - Measurement of room acoustic parameters - Part 1: Performance spaces (ISO 3382-1:2009); German version EN ISO 3382-1:2009
Edition 2009-10

Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media - Part 1: Terminology, design and preparation of substrate; German version EN 14879-1:2005
Edition 2005-12