D20-Ethion, 100 µg/ml, Acetone, 1ml

1-n-Propyl-2-phenylbenzimidazole,neat,neat,10mg,

Diisononyl Phthalate (mixture of branched chain isomers), 5g

Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml