A Comparison of Techniques Used to Estimate the Amount of Resuspended Soil on Plant Surfaces

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Abstract
The objectives of this study were to compare four common techniques used to estimate soil mass loadings on plant surfaces and to assess the need to account for particle size distributions of both the soil tracer and contaminant of concern within the soil. Soil loadings (g soil kg−1 dried plant) from split samples collected in a pasture near Chernobyl were estimated using soil tracers of plutonium analyzed via alpha spectroscopy (mean:t standard error; 1.0:t 0.2), titanium analyzed with an inductive coupled plasma spectrometer; (3.6 +/− 0.6), and neutron activation analysis for scandium (8.1 +/− 1.6), as well as simply washing the soil off the vegetation (34.1 +/− 5.6). Differences were significant at p

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