o-Xylene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56004-61-6

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

Perfluoro-4-oxapentanoic acid (PFMPA), 1.2ml x 50ug/ml, methanol

2,5-Dimethylpyrazine, Flavour grade, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 123-32-0