Ethanol standard in serum,1.5g/L,serum, 3mL

D4-1,2-Dichloroethane, 2000 µg/ml, Methanol, 1ml

Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Fenoxaprop-P, 100 µg/ml, Acetonitrile, 5ml