Metrafenone, 10 µg/ml, Cyclohexane, 10ml

Nitrothal-isopropyl, 100 µg/ml, Acetonitrile, 5m

N-Nitroso-diethylamine, certified, 0.1g

Perfluoro-5,5-dimethylhexane sulfonate, 200ul x 1.00ug/ml, methanol