EPA Method 500 Series Internal Std #4

Venlafaxine-d6 hydrochloride (N,N-dimethyl-d6), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1062606-12-5

Di-n-octyl adipate, 500mg

n-Hexylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1077-16-3