Good and bad news on Danish oestrogen pollution

A Danish environmental protection agency (EPA) survey has found "no widespread impact" of oestrogens in the freshwater environment. But it reports that some wastewater effluents or overflow episodes can lead to concentrations which "will probably exceed" known effect levels. The study is the latest in a decade-long series of projects concerning endocrine-disrupting chemicals. It singles out "simple treatment plants [which] have very low removal efficiency". These are most common in the countryside, "where septic tanks also will contribute with wastewater of low treatment quality regarding oestrogens". See abstract and links to report.

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