Abstract
Photon and thermal neutron activation analysis were used to determine the concentrations of up to thirty elements in aerosol samples collected by cascade impactor in Toronto, Canada during the period July to December of 1985. Examination of the particle-size distributions thus obtained led to the development of a new receptor model. A size-specific elemental mass balance (SSEMB) was used to apportion the mean ambient Pb aerosol concentration amongst four contributing sources as follows: secondary lead refinery emissions (46%), refuse incineration (28%), automotive exhaust (25%) and re-entrained soil and dust (<1%). The predicted concentrations of Al, As, Br, Na, Pb, Sb, and Zn agreed with observed concentrations to within a factor of two for most elements in most particle size fractions.
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Pringle, T.G., Jervis, R.E. A particle-size specific elemental mass balance for the apportionment of ambient aerosol. Journal of Radioanalytical and Nuclear Chemistry, Articles 112, 243–258 (1987). https://doi.org/10.1007/BF02037295
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DOI: https://doi.org/10.1007/BF02037295