EPA Method 502/524 Surrogate Standard #2

Pyridaben, 100 µg/ml, Acetonitrile, 5ml

4,4’-Diamino-3,3’-dimethyldiphenylmethane

Toluene, 3 Wt% in Isooctane, 30mg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108-88-3