2,4',5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

Perfluoro-5-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol

3,3',4,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

3-Fluorochrysene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 36288-22-9