RETENUE D'ARZAL À ARZAL, paramètre AMPA
µg/L
28/03/13
0.06
28/06/13
0.24
12/08/13
0.37
04/10/13
0.47
23/02/16
0.07
17/06/16
0.22
20/07/16
0.29
06/09/16
0.28
28/03/19
0.18
17/05/19
0.24
12/07/19
0.24
11/10/19
0.3
22/03/22
0.091
15/06/22
0.256
16/08/22
0.411
03/10/22
0.32