Hexachlorobenzene, 200µg/ml in MeOH, 1ml

Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S

2-Hydroxypyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 78751-58-3

2-Phenylbenzo[b]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 210487-01-7