4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

4,4’-Dibromobiphenyl

Phenanthrene, 10µg/ml in Acetonitrile, 10ml

3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene