No Compound Total samples tested Contaminated samples Range (µg L-1)
1 α-BHC 59 2 Nd - 0.022
2 β-BHC 59 12 Nd - 0.053
3 γ-BHC 59 37 Nd - 0.092
4 δ-BHC 59 5 Nd - 0.087
5 Heptachlor 59 25 Nd - 0.089
6 Aldrin 59 15 Nd - 0.036
7 Heptachlor epoxide 59 0 -
8 γ-Chlordane 59 0 -
9 α-Chlordane 59 6 Nd - 0.013
10 Endosulfan I 59 8 Nd - 0.014
11 4,4'-DDE 59 12 Nd - 0.036
12 Dieldrin 59 17 Nd - 0.011
13 Endrin 59 0 -
14 Endosulfan II 59 5 Nd - 0.028
15 4,4'-DDD 59 0 -
16 Endrin aldehyde 59 2 Nd - 0.026
17 Endrin ketone 59 0 -
18 4,4'-DDT 59 0 -
19 Endosulfan sulfate 59 1 Nd - 0.007
20 Methoxychlor 59 0 -
Table 3: Brief description of selected pesticides contamination in surface water samples of Peshawar area.
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