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

κ-1,2,5,6,9,10-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene

Propoxycarbazone-sodium

6-Nitrobenzo[a]pyrene-d11,neat,neat,10mg,