1,2,4-Trimethylbenzene

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

Iomeprol-d3, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

2,4,5-Trichloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene