2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

4-Ethyl-6-methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132034-90-3

Naltrexone hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 16676-29-2

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