2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

3-Nitrophenanthrene, 10µg/mL in Cyclohexane, 10ml

1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Bendiocarb, 100 µg/ml, Acetonitrile, 5ml