PCB No. 55, 100µg/ml in Isooctane, 1ml

1,2-Dichloroethane, 1000 ng/µl, 1ml

N-(1,3-Dimethylbutyl)-N´-phenyl-1,4-phenylenediamine, 50µg/ml in Acetonitrile, 5ml

1,2-Dinitrobenzene, 1000µg/ml in MeOH, 1ml