No Compound Linear range (µg L-1) R2 LOD (µg L-1) Guideline value (µg L-1) 1 α-BHC 0.01-1 0.9995 0.003 - 2 β-BHC 0.05-1 0.9996 0.006 - 3 γ-BHC 0.01-1 0.9998 0.002 2, 0.2b 4 δ-BHC 0.01-1 0.9995 0.003 - 5 Heptachlor 0.01-1 0.9996 0.004 0.03, 0.4b 6 Aldrin 0.01-1 0.9999 0.002 0.03 7 Heptachlor epoxide 0.05-2 0.9980 0.02 0.03, 0.2b 8 γ-Chlordane 0.01-1 0.9997 0.003 0.2, 2b 9 α- Chlordane 0.01-1 0.9995 0.002 0.2, 2b 10 Endosulfan I 0.01-1 0.9998 0.002 0.05a 11 4,4'-DDE 0.01-1 0.9997 0.004 - 12 Dieldrin 0.01-1 0.9998 0.002 0.03 13 Endrin 0.01-1 0.9944 0.004 2b 14 Endosulfan II 0.01-1 0.9998 0.003 0.05a 15 4,4'-DDD 0.01-1 0.9957 0.005 - 16 Endrin aldehyde 0.01-1 0.9976 0.004 - 17 Endrin ketone 0.05-1 0.9968 0.003 - 18 4,4'-DDT 0.05-1 0.9955 0.009 2 19 Endosulfan sulfate 0.01-1 0.9999 0.002 - 20 Methoxychlor 0.05-2 0.9933 0.03 20 WHO guideline value, a: Australia guideline value, b: U.S. EPA maximum permissible level LOD: Lower limits of detection

Table 1: The Linear range, R2 values and lower limits of detection for selected pesticides.

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