2,2-Bis(bromomethyl)-1,3-propanediol, 100 µg/ml,

Dicofol, 100 µg/ml, Acetonitrile, 5ml

4-tert-Octylphenol-di-ethoxylate, 10.0 µg/ml, Ace

Octachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene