D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml

n-Pentacosane

2,4-D

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