RAU DE KERSEMPE à MARZAN, paramètre Nitrates
mg(NO3)/L
11/02/16
18.4
07/04/16
16.6
16/06/16
17
08/08/16
11.4
16/10/16
11.5
19/12/16
10.4
20/02/17
15.9
06/04/17
14.3
23/06/17
11.8
16/08/17
7.9
19/10/17
2.5
07/12/17
5.2