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You are here: Home Data and maps Maps and graphs Percentage of rivers distributed on water quality classes for BOD (mgO2/l) and orthophosphate (mg/l) in 2001 (1997 for Netherlands)
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Percentage of rivers distributed on water quality classes for BOD (mgO2/l) and orthophosphate (mg/l) in 2001 (1997 for Netherlands)

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European Environment Agency (EEA)
Kongens Nytorv 6, 1050, Copenhagen K, Denmark.
Phone: +45 3336 7100