PCB No. 189, 10µg/ml in Isooctane, 10ml

Pyrene, 100µg/ml in Acetonitrile, 1ml

2-Perfluorobutyl-[1,1,2,2-2H4]-ethanol (4:2), 50µg/ml in MeOH, 1,2ml

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,10mg,