Janae Csavina, Andrea Landázuri
Mining operations are potential sources of airborne metal and metalloid contaminants through direct smelter emissions and wind erosion of mine tailings, which may increasingly be significant due to warmer, drier conditions predicted for the Southwestern USA by climate models. This study aimed to chemically characterize size-fractionated atmospheric aerosols over a year near an active mining and smelting site in Arizona, utilizing advanced instrumentation such as a ten-stage multiple orifice uniform deposit impactor (MOUDI) and a scanning mobility particle sizer (SMPS). The results indicated that arsenic and lead concentrations exhibited a bimodal distribution, with peaks around 0.3 and 7.0 μm, suggesting that sub-micron particles may be products of condensation and coagulation of smelting vapors, while larger contaminants likely stem from Aeolian dust sources. Additionally, ultrafine particle counts were highest when winds originated from the direction of smelting operations, highlighting the influence of mining activities on atmospheric quality. The findings underscore the environmental and health implications of mining operations, particularly in relation to fine particulate contamination in the air.
@article{a7ba190d-c2a8-4569-9f87-f5d2152b9ab1,
title={Metal and Metalloid Contaminants in Atmospheric Aerosols from Mining Operations},
author={Janae Csavina and Andrea Landázuri},
year={2011},
language={en}
}TY - JOUR TI - Metal and Metalloid Contaminants in Atmospheric Aerosols from Mining Operations AU - Janae Csavina AU - Andrea Landázuri PY - 2011 LA - en ER -
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