4-Chlorophenoxyacetic acid, 100 µg/ml, Acetonitri

2,6-Dibromophenol, Internal Standard Stock Solution Cat. No. 2472.6

3-Hydroxyphenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 605-87-8

gamma-BHC, 1000μg/ml in MeOH, 1ml