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This paper will advance the argument that today's biosolids produced and managed under multiple layers of Federal, State, and local regulation are virtually risk free to public health and the environment for all of the commonly used biosolids management practices of land application, surface disposal, landfilling, and incineration. An effective national pretreatment program administered by the United States Environmental Protection Agency (USEPA) and the States as well as appropriate local limit pretreatment programs have produced biosolids with trace chemical pollutant concentrations orders of magnitude lower than needed to produce human health and environmental impacts. Results from years of peer reviewed research confirm that trace concentrations of chemical pollutants in biosolids do not cause any detectable adverse human health or ecological impacts.

This paper will present a history of USEPA's program on the evaluation and regulation of chemical pollutants in biosolids. The paper concludes that the trend of this program indicates that USEPA also has concluded that further attention or regulatory action on chemical pollutants in biosolids not already in the Part 503 Standards is not warranted.

Document Type: Research Article


Publication date: January 1, 2007

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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