Benzyldimethyldecylammonium chloride, 100 µg/ml,

Endrin aldehyde, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 7421-93-4

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

Ethyl butanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-54-4