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COD (mg O2/l)
Indicator commonly used to monitor organic matter content in wastewater.
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Ammonia NH4-N (mg N/l)
A pollutant with a high impact on the freshwater environment. It has also a low degradation rate
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Escherichia coli (cfu/100ml)
Freshwater contamination by bacteria reduces hygienic water quality and could affect potential human uses. Constructed wetlands show generally very high reduction performances (around 99,9%)
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