Propachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml

1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

1,2,4-Trichlorobenzene, 100 µg/ml, n-Hexane, 5ml

13C6-Pentachlorophenol, 100 µg/ml, Cyclohexane,