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You are here: Home / Data and maps / Maps and graphs / Biochemical Oxygen Demand (BOD5) and total ammonium concentrations in rivers between 1992 and 2007

Biochemical Oxygen Demand (BOD5) and total ammonium concentrations in rivers between 1992 and 2007

Topics: , ,
Numbers of river monitoring stations in brackets

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How to read the graph: between 1992 and 2007, BOD5
decreased from 4 mg O2/l to 2 mg O2/l and ammonium
from 700 μg N/l to 300 μg N/l

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European Environment Agency (EEA)
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