Quinalphos, 100 µg/ml, Ethyl acetate, 1ml

Fensulfothion-oxon, 100 µg/ml, Acetonitrile, 5ml

Benzo[e]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 192-97-2

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene