Railway Applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 2: Systems Approach to Safety; German and English version EN 50126-2:2017/prA1:2023

Requirements for generating plants to be connected in parallel with distribution networks - Part 2: Connection to a LV distribution network - Connection to a MV distribution network - Generating plants up to and including Type B

Foodstuffs - Determination of trace elements - Part 2: Determination of total mercury in foodstuffs by atomic fluorescence spectrometry (AFS) - cold vapour technique after pressure digestion; German and English version prEN 13806-2:2023

Fans - Vocabulary and definitions of categories - Part 2: Categories (ISO 13349-2:2022); German and English version EN ISO 13349-2:2023

District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 2: Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German and English version prEN 1793-2:2023

Road vehicles - Supplementary grip devices for tyres of passenger cars and light duty vehicles - Part 2: Specific test procedures; German and English version prEN 16662-2:2023

Ophthalmic instruments - Fundamental requirements and test methods - Part 2: Light hazard protection (ISO/DIS 15004-2:2023); German and English version prEN ISO 15004-2:2023

Water quality - Non-target screening of organic compounds in water - Method using chromatography and mass spectrometry - Part 2: Method using liquid chromatography and high resolution mass spectrometry

Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 2: Safety; German and English version prEN 12309-2:2023