Biosolids Knowledge Center
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Biosolids are the nutrient-rich organic materials resulting from the treatment of domestic waste at a wastewater treatment facility. Through biosolids management, solid residue from wastewater treatment is processed to reduce or eliminate pathogens and minimize odors, forming a safe, beneficial agricultural product. Biosolids are carefully monitored and must be used in accordance with regulatory requirements.
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WEF letter to California Court of Appeals dated 01-MAR-2013 requesting publication of Los Angeles v. Kern County opinion
2012 WEFTEC Residuals and Biosolids Committee Meeting Minutes
2012 WEFTEC Residuals and Biosolids Committee Meeting Materials
2012 WEF Residuals and Biosolids Specialty Conference Meeting Minutes
NBP October 23, 2012 E-Newsletter
NBP August 15, 2012 E-Newsletter
2012 WEF Residuals and Biosolids Specialty Conference Meeting Materials
- NBP February 15, 2012 E-Newsletter
- NBP April 25, 2012 Webcast: Thermal Hydrolysis Comes to America: DC Water’s Blue Plains Digestion Project
- NBP January 11, 2012 Webcast Recording Available for Viewing Please email webcasts@wef.org if you are interested in viewing the NBP January 11, 2012 webcast “When Opportunity Knocks, How Can Municipalities and POTWs Partner with the Biofuels Industry”.
- NBP January 10, 2012 E-Newsletter
- NBP December 15, 2011 E-Newsletter
- Residuals and Biosolids Committee - WEFTEC 2011 Meeting Minutes
- Residuals & Biosolids Committee - WEFTEC 2011 Meeting Materials
- 2011 Residuals and Biosolids Specialty Conference Meeting Minutes
- Charting the Future of Biosolids Management – Final Report (May 2011)
- Charting the Future of Biosolids Management – Executive Summary (May 2011)
- NBP April 20 and 21, 2011 Webcast Recording Available for Viewing
Please email webcasts@wef.org if you are interested in viewing the NBP April 20, 2011 webcast on NBP New Biosolids Training Opportunity for Wastewater Agencies or the NBP April 21, 2011 webcast on Implementing the New Sewage Sludge Incineration MACT Standard - Issues and Challenges Ahead. To download the biosolids training application, click here. The Power Point PDF files for the April 21 webcast and past NBP webcasts are available for downloading by clicking here.
EPA Issues Final Rulemakings for Identification of Non-Hazardous Secondary Materials That Are Solid Waste and Sewage Sludge Incineration
EPA published in the March 21 Federal Register a final rule that identifies which non-hazardous secondary materials, when used as fuels or ingredients in combustion units, are solid wastes under the Resource Conservation and Recovery Act (RCRA). This RCRA solid waste definition will determine whether a combustion unit is required to meet the emissions standards for solid waste incineration units issued under section 129 of the Clean Air Act (CAA) or the emissions standards for commercial, industrial, and institutional boilers issued under section 112 of the CAA. In this action, This final rule is effective on May 20, 2011.
EPA also issued in the March 21 Federal Register final rulemaking for new stationary sources and emission guidelines for existing sewage sludge incineration units To determine that materials are non-hazardous secondary materials when burned under this rule, materials must not have been discarded and must be legitimately used as a fuel. EPA determined that biosolids were considered as material that is discarded in sewage sludge incinerators (SSIs), and thus a solid waste, prompting the Section 129 CAA rulemaking. This final rule sets limits for nine pollutants under section 129 of the Clean Air Act: cadmium, carbon monoxide, hydrogen chloride, lead, mercury, nitrogen oxides, particulate matter, polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans, and sulfur dioxide. This final rule is also effective on May 20, 2011.
- WEF Land Application & Composting Fact Sheet
Opportunities for Involvement
Residuals & Biosolids Committee: Residuals & Biosolids Committee
WEF Staff Contact for more information:
Lisa McFadden
lmcfadden@wef.org
703-684-2400 ext. 7060