Anh
sewage disposal and treatment
wastewater disposal and treatment
Đức
Abwasserentsorgung
Pháp
assainissement
assainissement des eaux usées
assainissement,assainissement des eaux usées /ENVIR/
[DE] Abwasserentsorgung
[EN] sewage disposal and treatment; wastewater disposal and treatment
[FR] assainissement; assainissement des eaux usées