Concentration of biochemical oxygen demand in rivers in EU and accession countries
EU countries: Denmark, France, UK Accession countries: Bulgaria, Hungary, Slovak Republic, SIovenia. Background concentrations of biochemical oxygen demand are difficult to quantify and are likely to be at or below the detection limit of the analytical method of measurement, that is, between 1 and 2 mg O2/l.
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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