EPA Method 524.3 - Internal Standard

Diphenylamine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-39-4

Phosfolan, 10 µg/ml, Cyclohexane, 10ml

Metolcarb, 100 µg/ml, Acetonitrile, 5ml