EPA Method 515.1 - Performance Check Solution

Amitriptyline-d3 hydrochloride (N-methyl-d3), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 342611-00-1

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

Fatty Acid Mix, 1000µg/ml in Water, 100ml