VERRET A BEAUPREAU-EN-MAUGES, paramètre Nitrites mg(NO2)/L

30/10/17
0.03
27/11/17
0.34
19/12/17
0.29
21/02/18
0.2
23/04/18
0.3
24/05/18
0.2
28/06/18
0.2
23/07/18
0.52
30/08/18
0.74
18/10/18
0.01
Limite de quantif.
28/11/18
0.49
25/02/19
0.27
24/04/19
0.47
22/05/19
0.74
27/06/19
0.71
23/10/19
0.4
27/11/19
0.24
12/12/19
0.29