EPA Method 500 Series Internal Standard #5

9-trans-Hexadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10030-73-6

Mercury (Hg)

2,3-Dimethylphenol, 100 µg/ml, Acetonitrile, 5ml