OUST à SAINT-THELO, paramètre Orthophosphates (PO4)
mg(PO4)/L
20/02/13
0.04
18/04/13
0.03
20/06/13
0.1
14/08/13
0.05
17/10/13
0.22
20/02/14
0.07
23/04/14
0.04
18/08/14
0.06
20/10/14
0.05
04/12/14
0.08
04/02/15
0.05
08/04/15
0.02
19/08/15
0.1
08/10/15
0.06
08/12/15
0.08