2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Perfluorokerosene (bp. 210-240) for Mass spectrometry, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane

2,3-Benzofluorene