Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml

Metazachlor Metabolite 479M6, 10mg

2-Methylundecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7045-71-8

2,2'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane