PAH Internal Standard Spiking Solution, 1.2ml, isooctane

2,4,5-Trimethylaniline,100 µg/mL,acetonitrile,1mL,

Potassium perfluoro(2-ethoxyethane)sulfonate, 50µg/ml in MeOH, 1,2ml

Methomyl, 100 µg/ml, Acetonitrile, 5ml