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

1,8-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 104489-29-4

Furan-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6142-90-1

Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml