Ethoxysulfuron, 100 µg/ml, Acetonitrile, 1ml

Acenaphthene

1,2,3,4-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1,2,3,4,5,6,7-Heptachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane