urban waste water
as defined in Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water…, Article 2, point (1)
domestic waste water or the mixture of domestic waste water with industrial waste water and/or run-off rain water
as defined in Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water…, Article 2, point (1)
domestic waste water or the mixture of domestic waste water with industrial waste water and/or run-off rain water