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EPORT DATA Please read Instructions on the reverse before completing) 1.REPORT NO. 2. 3.RECIPIENT'S ACCESSION NO. EPA-600/R-97-115 4.TITLE AND SUBTITLE 5.REPORT DATE Air Emissions from Scrap Tire Combustion October 1997 6.PERFORMING ORGANIZATION CODE 7.AUTHOR(S) &PERFORMING ORGANIZATION REPORT NO. Joel I. Reisman 9.PERFORMING ORGANIZATION NAME AND ADDRESS 10.PROGRAM ELEMENT NO. E.H. Pechan & Associates, Inc. 2880 Sunrise Boulevard, Suite 220 11.CONTRACT/GRANT NO. Rancho Cordova, California 95742 68-133-0035, W.A. III-111 12.SPONSORING AGENCY NAME AND ADDRESS 13.TYPE OF REPORT AND PERIOD COVERED EPA, Office of Research and Development Final; 10/96 - 9/97 Air Pollution Prevention and Control Division 14.SPONSORING AGENCY CODE Research Triangle Park, NC 27711 EPA/600/13 15.SUPPLEMENTARY NOTES APPCD project officer is Paul M. Lemieux, Mail Drop 65, 919/541-0962 16.ABSTRACT The report discusses air emissions from two types of scrap tire combustion: uncontrolled and controlled. Uncontrolled sources are open tire fires, which produce many unhealthful products of incomplete combustion and release them directly into the atmosphere. Controlled combustion sources (combustors) include boilers and kilns specifically designed for efficient combustion of solid fuel. Very little data exist for devices that are not well-designed and use scrap tires for fuel. These sources include fireplaces, wood stoves, small kilns, small incinerators, or any device with poor combustion characteristics. Air emissions from these types of devices are likely between that of open burning and a combustor. However, there is a serious concern that the emissions are much more similar to those of an open tire fire than a combustor. Open tire fires are discussed. Data from a laboratory test program on uncontrolled burning of tire pieces and ambient monitoring at open tire fires are presented and emissions are characterized. Mutagenic emission data from open burning of scrap tires are compared to mutagenic data for other fuels from both controlled and uncontrolled combustion. A list of 34 target compounds representing the highest potential for health impacts from open tire fires is presented. The list can be used to design an air monitoring plan to evaluate risk potential. 17. KEY WORDS AND DOCUMENT ANALYSIS a. DESCRIPTORS b.IDENTIFIERS/OPEN ENDED TERM c.COSATI Field/Group Follution irep aceso u ion Control Emission Wood Stationary Sources 14G 11L Tires Stoves Scrap Tires 13F Combustion Incinerators Wood Stoves 21B Boilers Monitors 13A Kilns 18.DISTRIBUTION STATEMENT 19.SECURITY CLASS(This Report) 21.NO.OF PAGES Unclassified Release to Public 20.SECURITY CLASS(This Page) 22.PRICE Unclassified EPA Form 2220-1 (9-73)