Public transport - Service interface for real-time information relating to public transport operations - Part 3: Functional service interfaces; English version EN 15531-3:2022
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1000 kW; German version EN 15502-2-1:2022
Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version prEN 14211:2022
Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy; German and English version prEN 14626:2022
Chemicals used for treatment of water intended for human consumption - Sodium chloride for on site electrochlorination using non-membrane technology; German version EN 14805:2022
Ambient air - Standard method for the measurement of the concentration of sulfur dioxide by ultraviolet fluorescence; German and English version prEN 14212:2022
Railway applications - Air conditioning for urban, suburban and regional rolling stock - Comfort parameters and type tests; German and English version prEN 14750:2022
