Hexachlorobenzene, 1000µg/ml in Toluene, 1ml

3,4,4'-Tribromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-decane sulfonate (8:2), 50µg/ml in MeOH, 1,2ml

Fluoranthene, 10 µg/ml, Cyclohexane, 10ml