Mesotrione, 100µg/ml in Acetonitrile, 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

Diquat and Paraquat Mix 1, 1000 µg/ml, Water, 1m

Zirconium (Zr)