CHENAY PIGUELAIS A GUIPEL, paramètre Orthophosphates (PO4)
mg(PO4)/L
20/01/21
0.08
02/02/21
0.13
03/03/21
0.05
06/04/21
0.04
04/05/21
0.05
02/06/21
0.09
06/07/21
0.12
03/08/21
0.12
07/09/21
0.15
05/10/21
0.67
02/11/21
0.06
01/02/22
0.096