2,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml

Sodium Dodecylbenzenesulfonate (soft type) (LAS 10

GC/MS Hexachlorobenzene Mixture 1356,6 Hexachlorobenzene [118-74-1] 50µg/ml

Hexachlorocyclopentadiene