RUISSEAU DES GUERINIERES A CHOLET, paramètre Nitrates mg(NO3)/L

18/04/13
17.1
10/06/13
13.1
25/06/13
12.2
30/07/13
9
26/09/13
15.1
23/10/13
14
27/11/13
26
19/12/13
20
19/03/14
15
16/04/14
13
29/04/14
12
05/06/14
9.4
26/06/14
7.7
17/07/14
5.4
20/08/14
7.1
23/09/14
0.5
23/10/14
4.9
20/11/14
46
18/12/14
33
26/03/15
19
20/04/15
15
06/05/15
27
04/06/15
14
30/06/15
16
31/07/15
5.2
24/09/15
2.2
22/10/15
3.4
23/11/15
16
17/12/15
20
23/03/16
16.8
20/04/16
15.3
10/05/16
12
25/05/16
10.8
22/06/16
10.6
09/11/16
0.5
Limite de quantif.
22/11/16
43.1
21/03/17
25.4
23/05/17
6.9
22/06/17
2.9
19/03/19
15
23/10/19
1.1
20/11/19
39
04/05/23
10
25/05/23
8.8
22/06/23
15
10/11/23
22
23/11/23
18