L'OUIN A CHOLET, paramètre AMPA
µg/L
18/04/13
0.1
27/08/13
0.58
26/09/13
0.3
04/06/15
0.13
31/07/15
0.45
20/08/15
0.26
24/09/15
0.24
03/10/16
0.45
27/10/16
0.41
22/06/17
0.42
28/09/17
0.39
24/10/17
0.4
08/11/17
0.46
30/11/17
0.58