Isodrin, 100µg/ml in Cyclohexane, 5ml

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Theobromine

Benzo(g,h,i)perylene, 1000µg/ml in MeChl, 1ml