Street dust from a heavily-populated and industrialized city: Evaluation of spatial distribution, origins, pollution, ecological risks and human health repercussions

Ecotoxicology and Environmental Safety
R Urrutia-GoyesN Ornelas-Soto

Abstract

Emissions from vehicles include particles from tire and brake wearing that can settle down and join industrial discharges into street dust. Metals present in street dust may create ecological and health threats and their analysis is of great environmental relevance. The city of Monterrey, Mexico is an industrial pillar of the country and shows an increasing fleet during the last years, which has yielded higher traffic and emissions. This study analyzes 44 street dust samples taken across the city for total element concentrations by using X-ray fluorescence. Associations and indicators are calculated to define possible origins, levels of pollution, natural or anthropogenic sources, and ecological and human health risks. High concentrations of As, Ba, Cu, Fe, Mo, Ni, Pb, Ti, and Zn were found. Main sources of metals were defined as: tire wearing for Zn and Fe; brake wearing for Ba, Cu, Fe, Pb and Zr; additional industrial sources for Mo, Ni, Pb, and Ti; and other natural sources for As. Ecological risk was found to be moderate across the city and risk due to Pb concentrations was established for children.

Citations

Aug 7, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·B S ChoudriMushtaque Ahmed
Jan 21, 2020·Environmental Science and Pollution Research International·Murnira Othman, Mohd Talib Latif
May 21, 2020·International Journal of Environmental Research and Public Health·Barbora ŠvédováDagmar Juchelková
Jul 26, 2019·International Journal of Environmental Research and Public Health·Kui Cai, Chang Li
Mar 24, 2021·Ecotoxicology and Environmental Safety·Marcela de Matos BarbosaMaria Fernanda Hornos Carneiro
Aug 28, 2020·Ecotoxicology and Environmental Safety·Deepak BalramNeethu Sebastian
Jun 6, 2021·Environmental Science and Pollution Research International·Md Humayun KabirAbubakr M Idris

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