CENS à NANTES, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

01/03/13
0.7
12/04/13
2
20/06/13
1.5
20/08/13
1.5
29/10/13
2.5
18/12/13
1.8
27/02/14
2.2
09/04/14
2.1
30/06/14
2.7
31/07/14
1.7
29/10/14
1.5
09/12/14
0.5
24/02/15
1.6
14/04/15
1.5
12/06/15
8
27/08/15
2.4
28/10/15
3
16/12/15
1.3
09/02/16
1.8
21/04/16
1.7
08/06/16
1.7
26/08/16
1.4
25/10/16
2.2
16/12/16
1.2