Figure 2

Representative HPLC chromatogram of HCB and their putative intermediates identified from anaerobic enriched soil sample. Peak 1, dichlorobenzene (DCB); Peak 2, trichlorobenzene (TCB); Peak 3, tetrachlorobenzene (TeCB); and Peak 4, pentachlorobenzene (PeCB); and Peak 5-hexachlorobenzene (HCB).