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Show combustion and post-combustion controls designed to reduce N O x emissions do not have an impact on organic H A P emission factors (Figures 5 and 8) compared to units with no N Ox controls. Supporting data include N O x control techniques such as: low N O x burners; selective catalytic N O x reduction; and selective non-catalytic reduction. Therefore, devices that were modified to control N O x emissions should be considered as "uncontrolled" for organic H AP emissions when establishing the " M A C T Floor". ACKNOWLEDGEMENTS This review paper was developed under American Petroleum Institute (API) contract no. 97- 000-2042. The policy conclusions expressed in this paper are those of the American Petroleum Institute. REFERENCES 1. Hansell, D. W.., G. C. England, N. Soelberg, W. R. Seeker, M. Lev-On, and S. Folwarkow, Development of Air Toxics Emissions Factors for Petroleum Industry Combustion Devices, presented at Air and Waste Management Association 85th Annual Meeting and Exhibition (publicationNo. 92-98.02), Kansas City, Mo., June, 1992. 2. Hansell, D. W., Development of Toxic Emission Factors from Source Test Data Collected Under the Air Toxics Hot Spots Program, Final Report, California Air Resources Board, Sacramento, CA, April, 1996. 3. Seebold, J. G., Hazardous Air Pollutant Emissions from the External Combustion of Hydrocarbon Fuels Can Be Predicted], Annual Fall Meeting, American Chemical Society, Las Vegas, Nevada, September, 1997. 4. Seebold, J. G., The Origin and Fate of Trace Toxic Emissions in the External Combustion Gaseous Hydrocarbon Fuels by Means of Highly-Reactive Turbulent Jet Diffusion, Fourth International Conference on Technologies and Combustion for a Clean Environment, Calouste Gulbenkian Foundation, Lisbon, Portugal, July, 1997. 5. Cain, J. J., R. Gemmer, R. Kubo, R. Oba and W. Torres-Ordonez, The Origin and Fate of Toxic Combustion Byproducts in Refinery Heaters: Research to Enable Efficient Compliance with the Clean Air Act, Draft Summary Report, Petroleum Environmental Research Forum Project 92-19, April, 1997. 6. Miller, A., J. Cain, H. Tang and R. Gemmer, Toxic Combustion Byproducts Testing at the Burner Engineering Research Laboratory: Implications for Industrial Combustion Systems, Petroleum Environmental Research Forum Project 92-19, Task 7 Subcommittee Report, November, 1996. 7. Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, EPA SW-846, Third Edition, 1986, as amended by Updates I (July, 1992), II (September, 1994), H A (August, 1993), and IIB (January, 1995). 8. Stationary Source Test Methods, Volume III: Methods for Determining Emissions of Toxic Air contaminants from Stationary Sources, Monitoring and Laboratory Division, California Air Resources Board, December, 1991. 9 |