Category Archives: wastewater treatment plants

Top Soil Blending with EQ Biosolids

Recent enforcement action by PADEP against a biosolids processor and topsoil blender using Exceptional Quality (EQ) biosolids warrants review of State and Federal regulations, as well as interpretation of the regulations and permit conditions. One little known regulatory interpretation in … Continue reading

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An Update on Regrowth, Odors, and Sudden Increase in Biosolids Research

Recently, a WERF-sponsored research study addressed the challenge of developing effective ways for utilities to manage the issues of regrowth, odors, and sudden increase (ROSI) of indicator and pathogenic bacteria in biosolids.  A draft of the study’s final report entitled, … Continue reading

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Anticipated Revisions to Federal Standards for Biosolids Land Application (40CFR Part503)

For years we have been hearing from EPA that Class A pathogen reduction Alternatives 3 and 4 will be “going away.”  EPA scientists are concerned that the current analytical procedures are not rigorous enough to identify helminth ova and enteric … Continue reading

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WEF Residuals and Biosolids Conference 2012

Look for Diane Garvey at WEF’s 26th Annual Residuals and Biosolids Conference in Raleigh, North Carolina from March 25 to 28.  In particular, Diane will be attending Workshop C on Sunday, March 25th.  This workshop is entitled, “Why Develop a … Continue reading

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Cinderella Fuel

President Obama has set an energy goal for the United States.  In his recent State of the Union Address, he declared that, by 2035, 80% of America’s electricity is to come from clean energy sources.  As part of his “Win … Continue reading

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SEWAGE SLUDGE INCINERATION – Regulatory Changes on the Horizon

At WEFTEC 2011 there was a meeting of the residuals and biosolids committee.  One topic of discussion was the new Sewage Sludge Incineration (SSI) regulations that are pending at EPA. WEF and the National Association of Clean Water Agencies (NACWA) … Continue reading

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European E. coli Outbreak and the Implications for the Biosolids Sector

An outbreak of illnesses in Northern Germany caused by a new strain of E. coli has made 1800 people sick with 18 deaths.   The New York Times stated that “the outbreak has been particularly virulent because it has led to … Continue reading

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