Ventilation for buildings - Air handling units - Mechanical performance

Adjustable speed electrical power drive systems - Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications - General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM) (IEC 22G/425/CD:2020); Text in German and English

Acoustics - Determination of occupational noise exposure - Methodology (ISO/FDIS 9612:2023)

Plant biostimulants - Determination of dry matter

Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Evaluation and generation of additional input data for calculation - Trajectory data and data acquisition system; Text in German and English