Ethylene thiourea, 100 µg/ml, Acetonitrile, 1ml

Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-24-4

BTEX (50 µg/mL)

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