EPA Method 525 - PCB Standard

Acephate, 10 µg/ml, Acetonitrile, 10ml

6:2 Fluorotelomer sulfonamide alkylamine (6:2 FTAA), 50µg/ml in MeOH, 1,2ml

1,1,2,2-Tetrachloroethane, 2000µg/ml in MeOH, 1ml