2,2',4,4',5,5'-Hexabromobiphenyl (PBB-153), 100µg/mL in IO, 1,2ml

alpha-Cypermethrin, 10 µg/ml, Cyclohexane, 10ml

[13C12]Dibenzofuran, 1.2ml x 50ug/ml, toluene

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