The use of stable lead 206207 isotope ratios and elemental composition to discriminate the origins of lead in aerosols at a rural site in eastern Canada
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引用次数: 89
Abstract
Observations of lead ratios and trace element concentrations in atmospheric aerosols at a rural location in Ontario, Canada confirm results of a previous study of urban aerosols that showed there are significant differences in the isotopic composition of lead from Canadian autos, Canadian smelters and eastern American sources. Lead measurements in fall 1984 and spring 1986 were apportioned to the respective sources as follows: for 1984 (55, 2, 43%) and for 1986 (69, 7, 24%). Lead isotopic and meteorological information point to In as the best elemental tracer of emissions from selected northern Canadian smelters.
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