This paper describes the recently developed United States Environmental Protection Agency (US EPA) test method that provides the user with unique methodologies for characterizing gaseous emissions from non-point pollutant sources. The radial plume mapping (RPM) methodology uses an open-path, path-integrated optical remote sensing (PI-ORS) system in multiple beam configurations to directly identify emission hot spots and measure emission fluxes. The RPM methodology has been well developed, evaluated, demonstrated, and peer reviewed. Scanning the PI-ORS system in a horizontal plane (horizontal RPM) can be used to locate hot spots of fugitive emission at ground level, while scanning in a vertical plane downwind of the area source (vertical RPM), coupled with wind measurement, can be used to measure emission fluxes. Also, scanning along a line-of-sight such as an industrial fenceline (one-dimensional RPM) can be used to profile pollutant concentrations downwind from a fugitive source. In this paper, the EPA test method is discussed, with particular reference to the RPM methodology, its applicability, limitations, and validation. Keywords: Area fugitive emission sources, open-path fourier transform infrared (FTIR), open-path tunable diode laser absorption spectroscopy (TDLAS), optical remote sensing (ORS), radial plume mapping (RPM) © 2008 Springer Science+Business Media B.V.
CITATION STYLE
Hashmonay, R. A., Varma, R. M., Modrak, M. T., Kagann, R. H., Segall, R. R., & Sullivan, P. D. (2008). Radial plume mapping: A US EPA test method for area and fugitive source emission monitoring using optical remote sensing. In Advanced Environmental Monitoring (pp. 21–36). Springer Netherlands. https://doi.org/10.1007/978-1-4020-6364-0_2
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