DNOC, 100 µg/ml, Acetonitrile, 1ml

4-Chlorobenzoic acid, 250mg

2,4,5-Tribromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 14401-61-7

EPA Method 552.1 - Surrogate Standard