废铁冶炼厂附近的多环芳烃:室内外和季节性模式、来源和暴露风险评估。

IF 2.2 4区 医学 Q3 ENVIRONMENTAL SCIENCES International Journal of Environmental Health Research Pub Date : 2024-11-19 DOI:10.1080/09603123.2024.2431228
Jamiu Adetayo Adeniran, Benjamin Toba Ogunlade, Emmanuel Toluwalope Odediran, Rafiu Olasunkanmi Yusuf, Jacob Ademola Sonibare
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引用次数: 0

摘要

对黑色金属日益增长的需求和丰富的废料助长了尼日利亚的废铁冶炼业,导致有害污染物的排放。本研究调查了废铁冶炼厂周围粉尘样本中多环芳烃 (PAH) 的浓度、季节和室内外变化、来源和对健康的影响。对粉尘样本的分析表明,高分子量多环芳烃(HMWPAHs)在两个季节都占主导地位,其中 5 环多环芳烃(34%)在雨季的贡献最大,而 3 环多环芳烃(36%)在旱季的贡献最大。与旱季相比,致癌 PAHs 在雨季更为普遍。已确定的多环芳烃来源有 7 个,雨季的主要来源是汽油燃烧,而旱季的主要来源是钢铁生产。增量终生致癌风险 (ILCR) 评估显示,多环芳烃的浓度在安全范围内,皮肤接触被确定为研究区域儿童和成人的主要接触途径。
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Polycyclic aromatic hydrocarbons within the vicinity of a scrap-iron smelting plant: indoor-outdoor and seasonal pattern, source, and exposure risk assessment.

The growing demand for ferrous metals and abundant scrap materials has fueled Nigeria's scrap-iron smelting industry, leading to hazardous pollutant emissions. This study investigated the concentrations, seasonal and indoor-outdoor variations, origins, and health impacts of polycyclic aromatic hydrocarbons (PAHs) in dust samples around a scrap-iron smelting facility. Analyses of dust samples revealed that high molecular weight PAHs (HMWPAHs) dominated during both seasons, with 5-ring PAHs (34%) contributing most during the rainy season and 3-ring PAHs (36%) during the dry season. Carcinogenic PAHs were more prevalent in the rainy season compared to the dry season. Seven PAH sources were identified, with gasoline combustion being the dominant source during the rainy season and iron and steel production during the dry season. Incremental lifetime cancer risk (ILCR) assessments showed PAH concentrations within safe limits, with dermal contact identified as the primary exposure pathway for both children and adults in the study area.

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来源期刊
International Journal of Environmental Health Research
International Journal of Environmental Health Research 医学-公共卫生、环境卫生与职业卫生
CiteScore
6.70
自引率
3.10%
发文量
134
审稿时长
>12 weeks
期刊介绍: International Journal of Environmental Health Research ( IJEHR ) is devoted to the rapid publication of research in environmental health, acting as a link between the diverse research communities and practitioners in environmental health. Published articles encompass original research papers, technical notes and review articles. IJEHR publishes articles on all aspects of the interaction between the environment and human health. This interaction can broadly be divided into three areas: the natural environment and health – health implications and monitoring of air, water and soil pollutants and pollution and health improvements and air, water and soil quality standards; the built environment and health – occupational health and safety, exposure limits, monitoring and control of pollutants in the workplace, and standards of health; and communicable diseases – disease spread, control and prevention, food hygiene and control, and health aspects of rodents and insects. IJEHR is published in association with the International Federation of Environmental Health and includes news from the Federation of international meetings, courses and environmental health issues.
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