RAU DE SAUZIGNAC A TREFFIEUX, paramètre Nitrates mg(NO3)/L

18/02/13 39.5	23/04/13 31.5	20/06/13 34.5	19/08/13 9.8	16/10/13 13.1	16/12/13 27
12/02/14 19	22/04/14 30	17/06/14 20	21/08/14 12	17/10/14 4.7	15/12/14 62
13/02/15 35	16/04/15 30	08/06/15 24	08/12/15 5.1
22/02/16 39.5	20/04/16 2.8	15/06/16 20.7
20/02/17 30.5	19/04/17 20.7	11/12/17 42
14/02/18 64	16/04/18 32	18/06/18 37	20/08/18 0.5 Limite de quantif.	10/12/18 89
04/02/19 57	16/04/19 30	04/07/19 1.5	25/10/19 21	19/12/19 56
25/02/20 26	16/04/20 31	24/06/20 18	22/10/20 3.4	17/12/20 61
23/02/21 36	28/04/21 23	23/06/21 51	12/08/21 9.1	25/10/21 11	17/12/21 40
22/02/22 38	20/04/22 24	27/06/22 2.5	28/12/22 80
23/02/23 39	26/04/23 29	28/06/23 2.2	26/10/23 51