Abstract
ABSTRACT
The subsurface at two former gasworks sites was characterised in terms of its in situ microbiology, chemistry and physical structure. Bacteria were evident throughout varying depths and chemical conditions. Total Viable counts varied from 10−4 to 10−9 CFU g−1. The degradative capabilities of this population were not however investigated. Chemically the sites were polluted by a range of typical gasworks contaminants,including coal tars and cyanides. The nature of this contamination was extremely heterogenous and reflected the physical heterogenity of the subsurface.The feasibility of implementing an in situ remediation scheme at former gasworks was discussed. It was concluded that the extreme heterogenity of the subsurface would appear to place severe constraints on the feasability of implementing the technique at such sites.
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