YVEL à PLOERMEL, paramètre Nitrates mg(NO3)/L

30/01/18 35	27/02/18 36	28/03/18 33	24/04/18 29	30/05/18 15	27/06/18 12	30/07/18 3	27/08/18 2	26/09/18 2 Limite de quantif.	30/10/18 2 Limite de quantif.	29/11/18 2	17/12/18 11
31/01/19 28	27/02/19 39	28/03/19 27	30/04/19 18	28/05/19 12	26/06/19 9	31/07/19 2	27/08/19 2 Limite de quantif.	24/09/19 2 Limite de quantif.	30/10/19 4	27/11/19 35	16/12/19 29
29/01/20 37	26/02/20 31	30/03/20 33	29/04/20 25	27/05/20 17	30/06/20 26	30/07/20 13	27/08/20 3	28/09/20 3	27/10/20 10	25/11/20 22	22/12/20 27
24/01/22 34.9	22/02/22 26.9	28/03/22 23.7	28/04/22 20.5	31/05/22 12.4	28/06/22 3.2	27/07/22 1.4	30/08/22 1.1	27/09/22 1	26/10/22 1.3	29/11/22 5.8	20/12/22 28.2