RAU DE KERSEMPE A MARZAN, paramètre Nitrates
mg(NO3)/L
16/02/21
17.3
01/03/21
18.5
07/04/21
19.4
11/05/21
18.3
22/06/21
13.5
29/09/21
12.2
21/10/21
6.2
30/11/21
10.5
04/01/22
11.2
23/03/22
15
08/04/22
3.8
23/05/22
14.6
28/09/22
3.9
24/10/22
2.8
16/11/22
13.6
28/12/22
28.3