Characterization of organic emissions from hazardous waste incineration processes under the new EPA draft Risk Burn Guidance: measurement issues

EPA's recently published draft Risk Burn Guidance recommends that hazardous waste combustion facilities complete a mass balance of the total organics (TOs) that may be emitted from the combustor. TOs, consisting of three distinct fractions (volatile, semivolatile, and nonvolatile organic compou...

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Bibliographic Details
Published in:	Waste management (Elmsford) Vol. 20; no. 5; pp. 347 - 353
Main Authors:	Ryan, Jeffrey V, Lemieux, Paul M, Pollard, Karen, Workman, Rosemary, Antley, Beth, Yurk, Jeffrey
Format:	Journal Article Conference Proceeding
Language:	English
Published:	Oxford Elsevier Ltd 01-01-2000 New York, NY Elsevier Science
Subjects:	Air pollution caused by fuel industries Applied sciences Atmospheric pollution Characteristics of pollutants and their action Combustion and energy production Energy Energy. Thermal use of fuels Exact sciences and technology Hazardous waste incineration Organic emissions Pollution Pollution sources. Measurement results Risk Burn Guidance Total organics (TOs) Risk Burn Guidance Total organics (TOs) Organic emissions Hazardous waste incineration Heat treatment Incineration Waste treatment Air pollution Hazardous waste Emission measure Pollutant emission Organic compounds
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Summary:	EPA's recently published draft Risk Burn Guidance recommends that hazardous waste combustion facilities complete a mass balance of the total organics (TOs) that may be emitted from the combustor. TOs, consisting of three distinct fractions (volatile, semivolatile, and nonvolatile organic compounds) are determined using measurement techniques specific to the boiling point (bp) range of each component. Preliminary proof-of-concept tests have been performed to gain further knowledge of the total chromatographable organics (TCO) and gravimetric analysis (GRAV) procedures used to determine the semivolatile and nonvolatile organic fractions. A commercially prepared Method 8270 semivolatile organic standard solution, made up of 112 compounds containing a variety of halogenated, oxygenated, nitrogenated, and sulfonated hydrocarbons, in addition to those hydrocarbons containing only carbon and hydrogen, was used to examine measurement biases of the TCO and GRAV methods. The results indicate that, at least for this particular standard, both methods are accurate, exhibiting biases <±10%. However, these TCO results may be deceiving. TCO measurement biases observed for select individual semivolatile organic compounds are well in excess of the composite bias observed. The composite bias observed may be more a result of a relatively equal number of negative and positive biases that negate each rather than a true indication of TCO measurement bias. Further methods evaluation work is required to support this tenet. Additional tests were performed to verify that the semivolatile organic mass was not redundantly measured by the GRAV procedure. Experiments were also performed to expand the mass of nonvolatile organic material that could be quantified using the TCO procedure. Expanding the TCO working bp range may be a viable alternative to the GRAV technique. It must be cautioned that these results are not fully comprehensive in nature and, as a result, applications of these results are limited.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0956-053X 1879-2456
DOI:	10.1016/S0956-053X(99)00336-0