EPA Method 8260B Internal Standard

Ethoprop, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 13194-48-4

9-n-Propylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4037-45-0

Tallow trimethyl ammonium chloride