4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml

Methyl docosanoate (Methyl behenate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 929-77-1

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

Tebutam, 10.0 µg/ml, Ethyl acetate, 10ml