Profenofos, 100 µg/ml, Cyclohexane, 5ml

4,5,9,10-Tetrahydropyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 781-17-9

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

Anions Mix