RAU DE PALET à SAINT-JEAN-SUR-VILAINE, paramètre Nitrates mg(NO3)/L

26/01/16
29
25/03/16
31
26/04/16
21.7
23/05/16
14.7
23/06/16
18.4
23/09/16
8.3
25/10/16
9.5
23/11/16
11.4
03/01/17
13.8
31/01/17
22.7
22/02/17
25.8
20/03/17
28.3
20/04/17
15.1
22/05/17
14.4
25/07/17
7.7
25/09/17
6
19/10/17
5.1
22/11/17
11.3
20/12/17
34.2
29/01/18
34.6
26/02/18
35.9
28/03/18
23.5
05/04/18
22.8
04/05/18
23.8
07/06/18
29
05/07/18
20.4
02/08/18
15.7
06/09/18
13.9
04/10/18
16.5
08/11/18
9.8
06/12/18
25.7