Monitoring the quality of rivers on the departmental network with information on physico-chemical components.
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The various parameters analysed are:
*Ammonium
* Nitrogen Kjeldahl
*Organic carbon
* Chlorophyll a
* Chlorophyll a + pheopigments
* Chlorides
* Conductivity at 25 °C
* Biochemical oxygen demand in 5 days (D.B.O.5)
* Chemical request in Oxygen (DCO)
* Suspended solids
* Nitrates
* Nitrites
* Orthophosphates (PO4)
* Dissolved oxygen
* Pheopigments
* Total phosphorus
* Potential in Hydrogen (pH)
* Oxygen saturation rate
* Water temperature
* Turbidity Formazine Nephelometric
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See also:
* [stream analysis stations in Loire-Atlantique](https://data.loire-atlantique.fr/explore/dataset/224400028_stations-danalyse-cours-eau-loire-atlantique/table/)
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