o-Xylene, 100µg/mL in MeOH, 1ml

Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml

2?-Ethyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg,

2,4,5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 115245-07-3