EPA Method 8141/1657 Surrogate Standard

Chloridazon, 10.0 µg/ml, Acetonitrile, 10ml

2-Methyl-1-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 881-03-8

4-Aminophenol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 123-30-8