1,3,5-Trichlorobenzene, 250mg

N-Phenyl-N’-isopropyl-p-phenylenediamine

Hexachlorobenzene, 1000µg/ml in Isooctane, 1ml

EPA 604, Surrogate Standard as PFB derivatives S-4375 1 Analyte, 200 µg/mL in methanol, 5mL or 1mg/mL in isopropanol, 1mL 2,4,6-Tribromophenol-PFB