Dicrotophos, 100 µg/ml, Ethyl acetate, 5ml

4-Phenylphenol, 100 µg/ml, Acetonitrile, 5ml

Pharma - Mix 3, 100µg/ml in MeOH, 5ml

Dibenz[a,j]anthracene, 10µg/mL in Acetonitrile, 10ml