Dicofol, 100 µg/ml, Acetonitrile, 5ml

11-Nor-9-carboxy-delta9-THC-D9, 0.1mg/ml in MeOH, 1ml

Terbufos sulfone, 1000µg/ml in MeOH, 1ml

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