"0001-01-01T00:00:00"^^ . "treatment of wastewater in urban wastewater plants, usually operated by public authorities or private companies mandated by public authorities"@en . "urban wastewater treatment', \u2018C-15 Wastewater treatment facilities (capacity of wastewater treatment facilities and efficiency of treatment)\u2019, Glossary, abbreviations, legends and units of measurement, https://www.unece.org/fileadmin/DAM/env/europe/monitoring/Indicators/C-15-glos-en-final.pdf [23/03/2016]"@en . "0001-01-01T00:00:00"^^ . . "urban waste water treatment"@en . . . . . . .