n-Hexane, 1000µg/ml in MeOH, 1ml

2,3,5,6-Tetrachlorophenol, 100 µg/ml, Methanol,

Cyanophos, 100 µg/ml, Ethyl acetate, 5ml

alpha-Endosulfan, 100 µg/ml, Acetonitrile, 5ml