VERRET A BEAUPREAU-EN-MAUGES, paramètre Glyphosate
µg/L
30/10/17
0.04
27/11/17
0.21
19/12/17
0.13
23/04/18
0.05
24/05/18
0.07
28/06/18
0.2
23/07/18
0.171
18/10/18
0.155
28/11/18
0.144