Diltiazem hydrochloride,1000 µg base/mL,MeOH,1mL,

3-Phenylpropionic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 501-52-0

EPA Method 524.3 - Surrogate Standard

Decyl octyl phthalate, 100µg/ml in MeOH, 1ml