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

4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml

Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,

Naphtha