2-(Trifluoromethyl)benzoic acid, 100mg

Sodium Benzoate & Potassium Sorbate (0.2%)

1-Methylnaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 90-12-0

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