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

Fenthion-oxon, 100µg/ml in Cyclohexane, 5ml

Esfenvalerate, 100 µg/ml, Ethyl acetate, 5ml

7,10-Dimethylbenz[c]acridine, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2381-40-0