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Are You Burning “Non-hazardous Solid Waste”? The Impact of New MACT Regulations on SSIs

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The recent designation by the United States Environmental Protection Agency (USEPA) of biosolids incinerated at Publicly Owned Treatment Works (POTWs) as “nonhazardous solid waste” will greatly impact multiple hearth and fluidized bed incinerator installations and planning for existing and new sewage sludge incinerators (SSIs). Under this new definition, the limits for incinerator emissions will now be established using Maximum Achievable Control Technology (MACT) provisions under the CFR 129 Hazardous Waste Incineration regulations. The application of CFR 129 regulations to incinerators processing biosolids will make emission limits much more stringent.

This paper presents the potential impacts on existing and new biosolids incinerators regulated under this new classification, particularly new emission control equipment needed to meet the new limits. This paper will provide planning guidance for owners of POTWS for the continuation of incineration or for implementing new incineration facilities.

Keywords: CAA; Hazardous Waste Incineration; SSI; SSI MACT; Section 129; fluidized bed; multiple hearth

Document Type: Research Article


Publication date: January 1, 2011

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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 These proceedings are not peer reviewed.

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