Characterization of the short-term temporal variability of road dust chemical mixtures and meteorological profiles in a near-road urban site in British Columbia.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2023-06-01 DOI:10.1080/10962247.2023.2186964

Eric S Coker, Nikita Saha Turna, Mya Schouwenburg, Ahmad Jalil, Charles Bradshaw, Michael Kuo, Molly Mastel, Hossein Kazemian, Meghan Roushorne, Sarah Henderson

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Abstract

Implications: Non-tailpipe emissions driven by springtime road dust in northern latitude communities is increasing in importance for air pollution control and improving our understanding of the health effects of chemical mixtures from particulate matter exposure. High-volume samples from a near-road site indicated that days affected by springtime road dust are substantively different from other days with respect to particulate matter mixture composition and meteorological drivers. The high load of trace elements in PM₁₀ on high road dust days has important implications for the acute toxicity of inhaled air and subsequent health effects. The complex relationships between road dust and weather identified in this study may facilitate further research on the health effects of chemical mixtures related to road dust while also highlighting potential changes in this unique form of air pollution as the climate changes.

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不列颠哥伦比亚省道路附近城市道路粉尘化学混合物的短期时间变化特征和气象剖面。

启示:北纬地区春季道路粉尘造成的非尾气排放对空气污染控制的重要性日益增加，并提高了我们对接触颗粒物质产生的化学混合物对健康影响的理解。公路附近的大量样本表明，春季道路粉尘影响的日子在颗粒物混合物组成和气象驱动因素方面与其他日子有很大不同。高粉尘日PM10中微量元素的高负荷对吸入空气的急性毒性和随后的健康影响具有重要意义。本研究确定的道路粉尘与天气之间的复杂关系可能有助于进一步研究与道路粉尘相关的化学混合物对健康的影响，同时也突出了这种独特形式的空气污染随着气候变化的潜在变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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