This standard BS EN 12255-14:2023 - TC Tracked Changes. Wastewater treatment plants is classified in these ICS categories:
13.060.30 Sewage water
This document specifies design principles and performance requirements for disinfection of effluents (excluding sludge) at wastewater treatment plants serving more than 50 PT. NOTE Sludge disinfection is described in EN 12255-8.