Sodium ethyl sulfate, 100mg

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-octane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml

2,4-Dichlorophenol, 100 µg/ml, Acetonitrile, 5ml

Terbufos