MARZAN À MARZAN, paramètre Nitrates mg(NO3)/L

07/02/13
46.1
08/04/13
36.5
07/06/13
39.4
07/08/13
38.3
21/10/13
20
09/12/13
43
07/02/14
33
09/04/14
33
10/06/14
33
13/08/14
25
30/10/14
29
08/12/14
30
10/02/15
41
22/04/15
37
12/06/15
28
06/08/15
33
09/10/15
30
10/12/15
34
11/02/16
42.2
07/04/16
36.9
16/06/16
35.1
08/08/16
29.5
16/10/16
19.4
19/12/16
25.2
20/02/17
38.5
06/04/17
34.2
23/06/17
29
16/08/17
13
19/10/17
11
07/12/17
18
22/02/18
46
12/04/18
41
13/06/18
35
09/08/18
30
04/10/18
29
13/12/18
40
14/02/19
49
15/04/19
37
11/06/19
32
28/08/19
22
28/10/19
38
02/12/19
47
13/02/20
38
23/06/20
35
06/08/20
34
06/10/20
29
09/11/20
36
08/12/20
33
16/02/21
35
26/04/21
36
17/06/21
34
19/08/21
37
21/10/21
23
14/12/21
31
17/02/22
28
21/04/22
33
31/05/22
37
22/08/22
9.1
14/10/22
19
15/12/22
39
21/02/23
40
26/04/23
32
15/06/23
33
17/08/23
29
23/10/23
26