Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml

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

Cimetidine carboxamide dihydrochloride (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110592-19-3

Native PAH Solution/Mixture, 1.2ml, toluene