GUEUBERT A VALLET, paramètre Nitrates mg(NO3)/L

31/01/18
17.6
27/02/18
13.9
26/03/18
9.7
27/04/18
8.8
25/05/18
3.4
26/06/18
3.2
30/11/18
38
20/12/18
25.8
28/01/20
7.6
26/02/20
7.6
25/03/20
10
29/04/20
6
27/05/20
2.2
24/06/20
4.7
28/10/20
24
25/11/20
21
22/12/20
17