Benzo(a)anthracene, 100µg/ml in Acetonitrile, 1ml

1-Chloro-3-fluorobenzene

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

Topramezone, 10.0 µg/ml, Acetonitrile, 10ml