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

d2 C27/C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3

Isopropyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 108-21-4

Dimethylisophthalate, 1000µg/ml in Isooctane, 5ml