Quizalofop-P-ethyl, 100 µg/ml, Acetonitrile, 5ml

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

Methomyl oxime

Paraoxon-ethyl, 100 µg/ml, Cyclohexane, 5ml