Sewage sludge confirmed as major dioxin source

The disposal of sewage sludge appears to be the largest source of dioxin and furan inputs to the UK environment, according to a study prepared for the Department of the Environment (DoE).1

The study was commissioned by the DoE following the publication of a Pollution Paper on dioxins in 1989 which highlighted a lack of data on the sources and levels of dioxins and furans in sewage sludge (ENDS Report 173, pp 18-19).

The research was carried out by the Laboratory of the Government Chemist (LGC). Sludge from 13 sewage works in England and Wales was analysed four times over a 12-month period, along with ten monthly samples fro

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