Nafronyl oxalate salt, 250mg

EPA Method 537 Internal Standard Primary Dilution Standard (IS PDS), 1.2ml, methanol

Fenthion-oxon-sulfone, 10µg/mL in Acetonitrile, 1ml

n-Dotriacontane, ?13C: -28.34, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 544-85-4