RAU VRIGNON À SAINT-AUBIN-DES-ORMEAUX, paramètre Nitrites
mg(NO2)/L
13/02/17
0.15
25/04/17
0.28
15/12/17
0.4
23/02/18
0.09
24/04/18
0.17
26/06/18
0.16
18/12/18
0.11
18/01/21
0.11
09/02/21
0.042
08/03/21
0.055
15/04/21
0.099
10/05/21
0.19
07/06/21
0.15
12/07/21
0.12
08/11/21
0.21
06/12/21
0.09