Bentazone-8-hydroxy, 100 µg/ml, Acetonitrile, 1m

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane

4H-Cyclopenta[def]phenanthren-4-one, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5737-13-3

Biphenyl