PCB No. 169, 10µg/ml in Isooctane, 10ml

4-Acetamidoantipyrine, 10.0 µg/ml, Acetonitrile,

OEKO-TEX PAH Mixture 575, 500µg/mL in Dichloromethane, 1ml

4-Chloro-2-methylaniline, 1000µg/ml in MethChl, 1m