Description:
Biosolids are the nutrient-rich organic materials resulting from the treatment of sewage sludge (the name for the solid, semisolid or liquid untreated residue generated during the treatment of domestic sewage in a treatment facility). When treated and processed, sewage sludge becomes biosolids which can be safely recycled and applied as fertilizer to sustainably improve and maintain productive soils and stimulate plant growth.
The National Biosolids Partnership (NBP) is a voluntary program to promote effective biosolids management involving the Water Environment Federation (WEF), the Association of Metropolitan Sewerage Agencies (AMSA), and U.S. EPA. EPA serves as an advisory member to the Partnership.
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