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

Dinocap, 100 µg/ml, Acetonitrile, 1ml

Ochratoxin A, 100 µg/ml, Acetonitrile, 1ml

2,4,7-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene