Naptalam, 100 µg/ml, Acetonitrile, 1ml

Pentachlorophenol, 5000µg/ml in MeOH, 1ml

Metazachlor Metabolite 479M16, 100 µg/ml, Acetoni

1,2,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene