Pyrene, 100 µg/ml, Cyclohexane, 1ml

2,3,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2-Imidazolidone, 100 µg/ml, Acetonitrile, 5ml

2-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m