Tetramethrin, 1000µg/ml in Acetonitrile, 1ml

4-Chloro-2-nitrobenzoic Acid, >98%, 25g

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

PCB 99, 10 µg/ml, Isooctane, 10ml