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

6-Nitrobenzo[a]pyrene-d11, 100µg/ml in Toluene, 1ml

Bis(2-Ethylhexyl)phthalate, 1mg/ml in MeOH, 1ml

Penicillin V potassium salt, 100mg