PCB No. 154, 100µg/ml in Isooctane, 1ml

Chlorobenzilate, 10.0 µg/ml, Ethyl acetate, 10ml

(±)-Methoxyverapamil hydrochloride,1000 µg base/mL,MeOH,1mL,

Tetrasul, 100 µg/ml, Ethyl acetate, 5ml