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Suburban areas in flames: Dispersion of potentially toxic elements from burned vegetation and buildings. Estimation of the associated ecological and human health risk.
Environmental Research ( IF 8.3 ) Pub Date : 2020-01-20 , DOI: 10.1016/j.envres.2020.109153
Dimitrios E Alexakis 1
Affiliation  

The results of the assessment of burned residential and wildland areas associated with the July 2018 western Attica wildfire are summarised. The dispersion of major and trace elements in a fire impacted suburban landscape which is adjacent in the north with a Natura 2000 area is evaluated. The dataset includes 35 elements and 27 sampling sites spatially distributed in wildland and residential areas. Field observations and a macroscopic method were applied for investigating the wildfire severity. Statistical and spatial analysis tools were used for data treatment. Major and trace element contents were compared to levels and criteria provided by the United States Environmental Protection Agency, Canadian Council of Ministers of the Environment and Australian Department of Environment and Conservation. Aluminum, As, Co, Fe, Mn, Ni, Sb and Zn concentrations observed in wildfire ash pose potential risk to human health. Median ash concentrations for Al, As, B, Ba, Cd, Cu, Fe, Mn, Ni, Pb, S, Sb, and Zn exceeds the plant-avian-mammalian screening levels in wildland and residential areas. Geogenic or anthropogenic origin of the elements is discussed. The associated health risk on human health and terrestrial ecological receptors (plant, avian, mammalian) is assessed.

中文翻译:

火焰下的郊区:燃烧的植被和建筑物中潜在有毒元素的扩散。估计相关的生态和人类健康风险。

总结了与2018年7月西部阿提卡野火有关的住宅和荒地被烧毁的评估结果。评估了主要和微量元素在受火灾影响的郊区景观中的分散性,该景观在北部与Natura 2000地区相邻。该数据集包括35个元素和27个采样点,这些采样点在空间上分布在荒地和居民区。野外观察和宏观方法被用于调查野火的严重性。统计和空间分析工具用于数据处理。将主要和微量元素含量与美国环境保护署,加拿大环境部长理事会和澳大利亚环境与自然保护部提供的水平和标准进行了比较。铝,砷,钴,铁,锰,镍,野火灰中观察到的Sb和Zn浓度对人体健康构成潜在风险。Al,As,B,Ba,Cd,Cu,Fe,Mn,Ni,Pb,S,Sb和Zn中灰分的浓度超过了野外和居民区植物-鸟类-哺乳动物的筛选水平。讨论了元素的成因或人为起源。评估了对人类健康和陆地生态受体(植物,鸟类,哺乳动物)的相关健康风险。
更新日期:2020-01-21
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