Ethanol in serum control EtOH SE (1.5g/L), 10x3ml

Metolcarb, 100 µg/ml, Acetonitrile, 5ml

Perfluoro-n-[1,2-13C2]undecanoic acid, 1.2ml x 50ug/ml, methanol

Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane