2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

Patent Blue V, certified, 0.25g

Di-n-heptyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-21-3

EPA Method 551.1 Internal Standard