Chrysene, 100 µg/ml, Acetonitrile, 1ml

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,3’,4,4’-Tetrachlorobiphenyl (66)

Chloroacetic acid