2,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml

Spinosyn D, 100 µg/ml, Acetonitrile, 1ml

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Retene, 10µg/ml in Cycohexane, 10ml