Health risk assessment of construction workers from trace metals in PM_2.5 from Kolkata, India.

IF 1.4 4区医学 Q4 ENVIRONMENTAL SCIENCES

Archives of Environmental & Occupational Health Pub Date : 2022-01-01 Epub Date: 2020-12-18 DOI:10.1080/19338244.2020.1860877

Shoumick Mitra, Reshmi Das

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引用次数: 6

Abstract

Construction activities have long been recognized as a pertinent source of PM_2.5 though limited information exists regarding chemical characteristics of aerosols generated during building demolition/construction. A comprehensive investigation was carried out to assess the physical (SEM analysis) and chemical (ICP MS analysis) properties of PM_2.5 in a building demolition and construction site and compared with background. Average concentrations of PM_2.5 at both the sites exceeded the National Ambient Air Quality Standards (NAAQS). Overall trend of the total metal concentrations of PM_2.5 followed the order of (Na, Ca, Al, Mg, Fe, Zn) > (Ti, Sr, Cd, Ba, Pb, V, Cr, Mn, Co, Ni, Cu) in both the sites. Sr, Ba, Mg, Zn, Ti, Cd, Al, Cr, Fe, Co, Mn, V, Ni, Ca, and Zn showed a ∼1.3-3.0 fold increase, and Pb showed the highest increase of almost >3.5 times when compared to the background concentrations. Health risk estimates based on the bio-available concentration of metals indicated that hazard quotient (HQ) values for non-carcinogenic metals were within the prescribed limit (HQ ≤ 1). However, the excess lifetime cancer risk (ELCR) for the carcinogenic metals Pb, Ni, Cd, and Cr(VI) were higher than the guideline limits of USEPA.

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印度加尔各答PM2.5中痕量金属对建筑工人健康的风险评估。

建筑活动长期以来一直被认为是PM2.5的相关来源，尽管关于建筑物拆除/建造过程中产生的气溶胶的化学特性的信息有限。对某建筑拆迁施工现场PM2.5的物理(SEM分析)和化学(ICP MS分析)特性进行了综合调查，并与背景进行了比较。这两个地点的PM2.5平均浓度都超过了国家环境空气质量标准。PM2.5总金属浓度的总体趋势为(Na、Ca、Al、Mg、Fe、Zn) > (Ti、Sr、Cd、Ba、Pb、V、Cr、Mn、Co、Ni、Cu)。与背景浓度相比，Sr、Ba、Mg、Zn、Ti、Cd、Al、Cr、Fe、Co、Mn、V、Ni、Ca、Zn的浓度增加了~ 1.3 ~ 3.0倍，Pb的浓度增加幅度最大，接近3.5倍以上。基于金属生物可利用浓度的健康风险估计表明，非致癌金属的危害商(HQ)值在规定限值内(HQ≤1)，而致癌金属Pb、Ni、Cd和Cr(VI)的超额终身癌症风险(ELCR)高于USEPA的指导限值。

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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来源期刊

Archives of Environmental & Occupational Health 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

3.70

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： Archives of Environmental & Occupational Health , originally founded in 1919 as the Journal of Industrial Hygiene, and perhaps most well-known as the Archives of Environmental Health, reports, integrates, and consolidates the latest research, both nationally and internationally, from fields germane to environmental health, including epidemiology, toxicology, exposure assessment, modeling and biostatistics, risk science and biochemistry. Publishing new research based on the most rigorous methods and discussion to put this work in perspective for public health, public policy, and sustainability, the Archives addresses such topics of current concern as health significance of chemical exposure, toxic waste, new and old energy technologies, industrial processes, and the environmental causation of disease such as neurotoxicity, birth defects, cancer, and chronic degenerative diseases. For more than 90 years, this noted journal has provided objective documentation of the effects of environmental agents on human and, in some cases, animal populations and information of practical importance on which decisions are based.