WS PAH Calibration Level 4

1-Bromo-3,6-dichloro-9H-carbazole, 1.2ml x 50ug/ml, nonane

1,3,6-Trimethylchrysene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

8(14)-Abietenic, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 19407-37-5