13C6-Pentachlorophenol, 100 µg/ml, Cyclohexane,

2,3,6,7-Tetrachloro-9H-carbazole, 1.2ml x 50ug/ml, nonane

1,4-Dimethylnaphthalene, 100 µg/ml, Cyclohexane,

Acenaphthylene, 100µg/mL in Acetonitrile, 1ml