Chlorthion, 100 µg/ml, Acetonitrile, 5ml

PAH-Mix 31 deuterated, 1000 ng/µl, 1ml

2,3,5,6-Tetrachlorobiphenyl (BZ-65)

Decabromodiphenyl ether (13C12,99%), 50µg/ml in Nonane, 1,2ml