| Agricultural areas | |||||||||
Béré upstream watershed (BUW) | Béré downstream watershed (BDW) | |||||||||
Minima | Median | Maxima | Detection % | Minima | Median | Maxima | Detection % | |||
Pesticide biological famillies | Herbicides a | 41.10 | 134.04 | 799.47 | 100 | 17.40 | 65.29 | 182.16 | 100 | |
Insecticides | 0.09 | 17.29 | 168.77 | 100 | 0.09 | 12.6 | 39.74 | 100 | ||
Fungicides | <0.022 | 5.75 | 21.56 | 85.71 | <0.022 | 8.71 | 17.71 | 69.23 | ||
Pesticide chemical famillies | Organophosphates | <0.032 | 17.29 | 44.64 | 85.7 | <0.032 | 12.60 | 36.13 | 92.3 | |
Organochlorines | <0.022 | 0.09 | 3.84 | 57.1 | <0.022 | 0.09 | 3.23 | 53.8 | ||
Alkylchorophenoxys | <0.022 | <0.022 | 3.23 | 42.9 | <0.022 | <0.022 | 4.03 | 46.2 | ||
Phosphonoglycines | <0.022 | <0.022 | 2.85 | 42.9 | <0.022 | <0.022 | 3.03 | 46.2 | ||
Carbamates | <0.022 | <0.022 | 138.75 | 14.3 | <0.022 | <0.022 | 22.08 | 7.69 | ||
Urea substitutes | 11.59 | 52.14 | 303.75 | 100,00 | 1.01 | 44.02 | 76.96 | 100 | ||
Phenylureas | <0.022 | 5.50 | 195.47 | 71.4 | <0.022 | 3.44 | 12.17 | 92.3 | ||
Chloroacetamides | 0.07 | 9.81 | 16.59 | 100 | 0.07 | 10.31 | 22.79 | 100 | ||
Triazines a | 7.70 | 79.37 | 292.43 | 100 | <0.022 | 5.23 | 112.15 | 69.2 | ||
Oxazoles | <0.022 | 5.75 | 21.56 | 85.7 | <0.022 | 8.71 | 17.71 | 69.2 | ||
Pyrethroids | <0.039 | <0.039 | 3.1 | 42.9 | <0.039 | <0.039 | 2.73 | 46.2 | ||
Pesticides active matters | Organophosphates | Parathion-methyl | <0.032 | 3.00 | 7.74 | 78.57 | <0.032 | 2.45 | 4.17 | 53.85 |
Chlorfenvinphos a | <0.032 | 8.94 | 11.45 | 85.71 | <0.032 | 3.98 | 17.13 | 53.85 | ||
Parathion-ethyl | <0.032 | 1.10 | 20.13 | 57.14 | <0.032 | 2.33 | 15.32 | 69.23 | ||
Profenofos | <0.032 | <0.032 | 4.21 | 35.71 | <0.032 | <0.032 | 3.4 | 38.46 | ||
Chlorpyrifos ethyl | <0.032 | <0.032 | 5.00 | 42.86 | <0.032 | <0.032 | 3.87 | 53.85 | ||
Paraquart | <0.032 | <0.032 | 3.98 | 42.86 | <0.032 | <0.032 | 3.47 | 53.85 | ||
Organochlorines | Endosulfan | <0.022 | 0.09 | 3.84 | 57.14 | <0.022 | 0.09 | 3.23 | 61.54 | |
Alkylchorophenoxys | 2.4 D | <0.022 | <0.022 | 3.23 | 42.86 | <0.022 | <0.022 | 4.03 | 53.85 | |
Phosphonoglycines | Glyphosate | <0.022 | <0.022 | 2.85 | 42.86 | <0.022 | <0.022 | 3.03 | 53.85 | |
Carbamates | Aldicarb | <0.022 | <0.022 | 138.75 | 14.29 | <0.022 | <0.022 | 22.08 | 7.69 | |
Chlorpropham | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
Urea substitutes | Metoxuron | <0.022 | 6.66 | 53.05 | 64.29 | <0.022 | 5.70 | 9.99 | 76.92 | |
Methabenzthiazuron | <0.022 | 5.48 | 12.25 | 71.43 | <0.022 | 8.32 | 18.01 | 69.23 | ||
Chlortoluron | <0.022 | 8.53 | 218.32 | 78.57 | <0.022 | 10.12 | 18.92 | 84.62 | ||
Monolinuron | <0.022 | 0.37 | 14.16 | 50.00 | <0.022 | <0.022 | 14.16 | 30.77 | ||
Isoproturon | <0.022 | 0.71 | 11.21 | 78.57 | <0.022 | <0.022 | 15.05 | 46.15 | ||
Metobromuron | <0.022 | <0.022 | 28.33 | 42.86 | <0.022 | 2.01 | 20.09 | 69.23 | ||
Linuron | <0.022 | 7.94 | 24.73 | 64.29 | <0.022 | <0.022 | 12.84 | 38.46 | ||
Fenuron | <0.022 | <0.022 | 15.33 | 35.71 | <0.022 | <0.022 | 9.32 | 7.69 |