4-Ethylphenol, 100 µg/ml, Acetonitrile, 1ml

6-Methylchrysene, 100 µg/ml, Acetonitrile, 1ml

D9-Chlormequat Chloride, 100 µg/ml, Deuterium oxi

Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol