CENS à NANTES, paramètre Orthophosphates (PO4) mg(PO4)/L

01/03/13
0.14
12/04/13
0.14
20/06/13
0.25
20/08/13
0.46
29/10/13
0.4
18/12/13
0.31
27/02/14
0.29
09/04/14
0.28
30/06/14
0.34
31/07/14
0.49
29/10/14
0.37
09/12/14
0.34
24/02/15
0.22
14/04/15
0.23
12/06/15
0.1
27/08/15
0.34
28/10/15
0.54
16/12/15
0.32
09/02/16
0.31
21/04/16
0.1
08/06/16
0.38
26/08/16
0.43
25/10/16
0.24
16/12/16
0.36