3-Methyl-1-butanol, 1ml

3,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Caffeine, 100µg/ml in MeOH, 1ml

3-Acetyldeoxynivalenol, 100µg/ml in Acetonitrile, 1ml