Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Native PAH Solution/Mixture, 1.2ml, toluene

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

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