2-Phenylphenol, 100 µg/ml, Methanol, 5ml

Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane

(±)-Sotalol-d7 hydrochloride (isopropyl-d7),100 µg/mL,MeOH,1mL,

Chlorfenvinphos, 100µg/mL in Acetonitrile, 1ml