EPA Method 551.1 Internal Standard

Coumarin, 100mg

3-Ethylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20496-16-6

3-n-Hexadecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 119269-24-8