ORNE CHAMPENOISE à ETIVAL-LES-LE-MANS, paramètre Glyphosate
µg/L
13/04/17
0.05
15/05/17
0.12
26/06/17
0.11
17/07/17
0.14
24/10/17
0.1
13/11/17
0.09
18/12/17
0.05
10/04/19
0.4
16/05/19
0.09
19/06/19
0.12
16/07/19
0.08
22/10/19
0.08
13/11/19
0.07
10/12/19
0.03