4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

2,2',4,4',5,6'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane

Secbumeton, 10.0 µg/ml, Acetonitrile, 10ml

Sodium p-n-tetradecylbenzenesulfonate, 100 µg/ml,