Benzo(a)fluoranthene, 100µg/ml in Acetonitrile, 5m

2,2',3,4',5'-Pentachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Tetraethyllead

alpha alpha alpha (20R,23R,24S)-4 alpha,23,24-Trimethylcholestane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 146276-33-7