Monocrotophos, 100 µg/ml, Acetonitrile, 5ml

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml

MTBE, 1000µg/ml in MeOH, 5ml

D4-1H-Benzotriazole, 10.0 µg/ml, Methanol, 10ml