MA - VPH Matrix Spike #2 Rev 1.1

1,3,6,8-Tetrachloro-9H-carbazole, 1.2ml x 50ug/ml, nonane

Ethylene thiourea, 100 µg/ml, Acetonitrile, 1ml

Hexachlorobenzene, 1000µg/ml in Toluene, 1ml