Mass-Labelled PCDF/PCB Syringe Spike, 1.2ml, nonane

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

2-NP-AHD, 10mg

Perfluorooctanoic acid with branched isomers, 50µg/ml in MeOH, 1,2ml