Testing hardened concrete - Part 11: Determination of the chloride resistance of concrete, unidirectional diffusion; German and English version prEN 12390-11:2025

Measurement of radioactivity in the environment - Air: radon 222 - Part 13: Determination of the diffusion coefficient in waterproof materials: membrane two-side activity concentration test method (ISO/TS 11665-13:20xx)

Workplace air - Sampling and analysis of volatile organic compounds by solvent desorption/gas chromatography - Part 2: Diffusive sampling method

Testing hardened concrete - Part 11: Determination of the chloride resistance of concrete, unidirectional diffusion

Footwear and footwear components - Test method to assess antimicrobial activity - Agar diffusion test

Workplace exposure - Size fraction definitions for measurement of airborne particles (ISO 7708:1995, modified)

Workplace exposure - Size fraction definitions for measurement of airborne particles; German and English version prEN 481:2024

Chemical disinfectants and antiseptics - Methods of airborne room disinfection by automated process - Determination of bactericidal, mycobactericidal, sporicidal, fungicidal, yeasticidal, virucidal and phagocidal activities; German version EN 17272:2020+A1:2025

Gas infrastructure - Methodology for methane emissions quantification for gas transmission, and distribution systems, underground gas storage and LNG terminals