This standard BS EN 17824:2023 Railway applications. Ground based services. Exhaust treatment fluid (AUS 32) refilling equipment is classified in these ICS categories:
45.060.10 Tractive stock
75.200 Petroleum products and natural gas handling equipment
This European Standard specifies interface requirements on vehicles and on ground based refilling and storage equipment for any railway vehicle fitted with internal combustion engine (s) requiring a NOx reduction agent AUS 32 (32 % aqueous urea solution) as specified in ISO 22241-1. It is also applicable to mobile or temporary refilling points for AUS 32.