Omeprazol, 100µg/ml in Acetonitrile, 5ml

Dibromotoluene, 5000µg/mL in MeOH, 1ml

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml

2,3,3',4,5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,