Ethion, 100 µg/ml, Acetonitrile, 5ml

1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml

Bis(p-chlorophenyl) sulfone,1000 µg/mL ,MeOH,1mL

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