2-Methoxy-5-methylaniline, 100 µg/ml, Acetonitril

Ethanol standard in serum,0.2g/L,serum, 1.5mL

2,4,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml

Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane