RAU DE LA VALLEE ou JEANNEAU à RIAILLE, paramètre Nitrates mg(NO3)/L

18/02/13 36.5	23/04/13 30.6	20/06/13 25.9	19/08/13 26.9	16/10/13 23.9	16/12/13 28
22/04/14 31	17/06/14 35	21/08/14 25	17/10/14 29	15/12/14 27
13/02/15 28	22/04/15 30	15/06/15 26	24/08/15 22	12/10/15 26	10/12/15 23
19/02/16 26.8	20/04/16 28.2	15/06/16 21.9	25/08/16 24.9	13/10/16 28.6	20/12/16 26.8
20/02/17 26.7	19/04/17 26.4	21/06/17 19.6	29/08/17 14	18/10/17 15	11/12/17 33
11/01/18 41	15/02/18 23	22/03/18 31	17/04/18 26	28/05/18 25	19/06/18 25	31/07/18 30	21/08/18 27	05/09/18 27	19/10/18 25	07/11/18 24	11/12/18 59
06/02/19 38	17/04/19 28	05/07/19 30	22/08/19 27	21/10/19 22
26/02/20 26	16/04/20 29	25/06/20 28	25/08/20 26	23/10/20 22	18/12/20 33
24/02/21 29	23/04/21 29	24/06/21 24	16/08/21 28	26/10/21 23	22/12/21 25
23/02/22 28	21/04/22 26	28/06/22 27	23/08/22 14	26/10/22 16	28/12/22 38
23/02/23 29	26/04/23 9.3	28/06/23 0.5 Limite de quantif.	28/08/23 0.5 Limite de quantif.	26/10/23 0.5 Limite de quantif.