Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 2: Metallic components

Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 6: Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen or liquid argon

Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 7: Specific requirements for the design and construction of tanks for the storage of liquefied anhydrous ammonia

Performance of portable locating leak detectors and of fixed gas detectors for all refrigerants; German and English version prEN 14624:2025

Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy; German version EN 14626:2024

Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate, solid; German and English version prEN 14664:2025

LPG equipment and accessories - Construction and performance of LPG equipment for automotive filling stations - Part 1: Dispensers

Execution of special geotechnical works - In-Situ Soil Mixing; German version FprEN 14679:2026

Aluminium and aluminium alloys - Determination of the chemical composition of aluminium and aluminium alloys by spark optical emission spectrometry; German and English version prEN 14726:2026

Execution of special geotechnical works - Ground treatment by deep vibration