RUISSEAU DE SAINT ETIENNE A LA CHAPELLE-SAINT-ETIENNE, paramètre Nitrites mg(NO2)/L

24/01/22
0.031
24/02/22
0.042
01/03/22
0.037
20/04/22
0.055
24/05/22
0.086
24/06/22
0.15
27/07/22
0.155
24/08/22
0.197
22/09/22
0.255
20/10/22
0.203
30/11/22
0.09
30/12/22
0.051
20/01/23
0.034
17/02/23
0.044
23/03/23
0.046
18/04/23
0.04
26/05/23
0.091
28/06/23
0.137
20/07/23
0.1
23/08/23
0.167
26/09/23
0.12
25/10/23
0.164
28/11/23
0.07
19/12/23
0.022