ß-Hexabromocyclododecane,50 µg/mL,toluene,1mL,

PCB 30, 10µg/ml in Cyclohexane, 5ml

2-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-31-2

4-Aminobiphenyl,100 µg/mL,acetonitrile,1mL,