Phthalate Esters Mix # 1, 2000ug/ml in Isooctane, 1ml

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

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Sulfate (SO42-)