Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 50µg/ml in MeOH, 1,2ml

1,2,3,4-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml

Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane

tert-Butyl ethyl ether, 200 µg/ml, Methanol, 1ml