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

2,3-Dimethyl-1-butene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 563-78-0

Ethalfluralin, 100 µg/ml, Acetonitrile, 5ml

PCB No. 121, 1000μg/ml in Isooctane, 1ml