Profenofos, 100 µg/ml, Toluene, 1ml

Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 50µg/ml in MeOH, 1,2ml

1,2-Bis(phenylthio)ethane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 622-20-8

Dibenzothiophene Cocktail 5 Analytes, each concentration as listed in isooctane; units: 1x1mL Relative ratios Chiron No. Name CAS No.