DIVE A VANCAIS, paramètre Nitrates
mg(NO3)/L
13/01/16
25.5
03/02/16
27.1
09/03/16
29.6
06/04/16
28.1
11/05/16
32.1
08/06/16
33
20/07/16
31.1
03/08/16
29.7
05/10/16
21.8
01/12/16
31.4
07/12/16
32.6