Dexamethasone, 1000µg/ml in MeOH, 1ml

Metoprolol Acid, 10mg

Sodium 1H,1H,2H,2H-perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol

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