2,4,5-Trichlorophenol, certified, 0.1g

5-Nitro-o-toluidine,100 µg/mL,acetonitrile,1mL,

Etrimfos,100 µg/mL,MeOH,1mL,

3,3',4,4'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane