Sewage sludge used as fertilizer on farms can leave traces of prescription drugs and household chemicals deep in the soil, according to a new study by federal scientists. The findings suggest that the widespread use of biosolids could contaminate groundwater near farms with a variety of chemicals, including anti-depressants such as Prozac and
Study: Farm Sludge Contaminates Soil With Drugs, Other Chemicals
A new study is the first to examine how drugs and other emerging contaminants in sewage sludge used on farm fields can persist and move in the soil column.

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