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

EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml

Penicillin G, 1000µg/ml in MeOH, 1ml

Sodium perfluorohexylperfluorooctylphosphinate, 50µg/ml in MeOH, 1,2ml