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Contact: Ken Kingery
Duke University

Spreading Fertilizer

Caption: Fertilizer derived from treated human waste is commonly spread throughout the United States by equipment such as this. There are questions, however, about what chemicals used by people in commercial products might make it through the treatment process and potentially accumulate in the environment. Researchers at Duke University have come up with a quick and inexpensive test to pinpoint which chemicals present in such fertilizers warrant further study.

Credit: Ryan Holzem, graduate student in civil and environmental engineering at Duke University

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Related news release: Screening wastewater biosolids for environmental contaminants

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