Metoprolol (free base),neat,neat,50mg,

9(R)-Hexahydrocannabinol, 1000µg/ml in Acetonitrile, 1ml

oxy-Chlordane, 10µg/ml in Cyclohexane, 10ml

γ-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene