2,4-Dibromophenol, 100 µg/ml, Methanol, 1ml

2,2',3,4,4',5,5',6-Octachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1517-22-2

3,3'-Dimethylbenzidine,100 µg/mL,acetonitrile,1mL,