Acenaphthene

2,5-Dimethylphenol, 100 µg/ml, Acetonitrile, 5ml

2,2-Bis(4-hydroxy-13C6-phenyl)propane, 1.2ml x 50ug/ml, methanol

Benzo(g,h,i)perylene, 10µg/ml in Acetonitrile, 10ml