EPA Method 601 Analytes, 2000µg/ml in MeOH, 1ml

Isofenphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 25311-71-1

EPA Method 552.2 - Surrogate Standard

Isoxaflutole-diketonitrile, 10mg