Pyrazophos, 100 µg/ml, Acetonitrile, 1ml

1,2,8,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Metrafenone, 100 µg/ml, Acetonitrile, 5ml

L-Ascorbic acid sodium, 100µg/ml in Acetonitrile,