Formaldehyde (0.1 ppm)

Perfluoro-n-nonanoic acid, 1.2ml x 50ug/ml, methanol

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

Benzo[b]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-99-2