Street dust of Korba, Chhattisgarh, an urban industrial hub in one of India’s major coal mining areas, has been analysed for profiling and sourcing of Pb and other potentially toxic elements (PTEs). Lead isotopic ratio of dust, coal, diesel, fly ash and human blood of Korba is being reported for the first time in this study. The mean concentrations (in mg/kg) of Al, V, Cr, Fe, Mn, Ni, Cu, Zn, Cd and Pb were higher than World Background soil and Reference soil USA values and decreased in the order of Al (17000) > Fe (7550) > Mn (2740) > Cr (833) > Ni (571) > Zn (231) > Cu (152) > V (145) > Pb (98.6) > U (7.9) > Cd (1.34). About 25% of the sampled dust had Pb I_geo belonging to class IV category of heavy contamination. Dust from industrial areas was highly enriched with Cr, Cu, Pb and Mn, while those from coal mining areas had high mean V concentration. Principal component analysis extracted Al, Fe, Mn, Zn, Pb and U with the highest loading factors in Component 1 indicative of their lithogenic and anthropogenic sources. The lead isotopic ratios of the dust, coal, diesel, fly ash and eight human blood samples clustered linearly in the ²⁰⁷Pb/²⁰⁴Pb vs ²⁰⁸Pb/²⁰⁴Pb and ²⁰⁶Pb/²⁰⁴Pb vs ²⁰⁸Pb/²⁰⁴Pb plots. Airborne lead deposition from diesel-based traffic exhausts and fly ash contributed to the human blood lead level besides coal mining activities. Geospatially, while Pb was mainly concentrated in the residential, industrial and coal-mining areas, Zn and Mn were mainly distributed in the roadside areas of industrial centres.

中文翻译：

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使用多变量和铅同位素比分析，对印度恰蒂斯加尔邦煤矿区街道粉尘中的潜在有毒元素进行源解析。

已对恰蒂斯加尔邦（Chhattisgarh）位于印度主要煤矿区之一的城市工业中心的科巴（Korba）的街道灰尘进行了分析，以分析和寻找铅和其他潜在有毒元素（PTE）的来源。本研究首次报道了科巴粉尘，煤，柴油，粉煤灰和人血中的铅同位素比。Al，V，Cr，Fe，Mn，Ni，Cu，Zn，Cd和Pb的平均浓度（mg / kg）高于世界本底土壤和美国参考土壤的值，并按Al的顺序降低（17000） >铁（7550）>锰（2740）>铬（833）>镍（571）>锌（231）>铜（152）>钒（145）>铅（98.6）>铀（7.9）>镉（1.34） 。大约25％的采样粉尘中含有Pb I _geo属于IV级重度污染类别。工业区的粉尘中富含Cr，Cu，Pb和Mn，而煤矿区的粉尘中平均V浓度较高。主成分分析提取了成分1中具有最高负载因子的Al，Fe，Mn，Zn，Pb和U，表明它们的成岩和人为来源。粉尘，煤，柴油，粉煤灰和八种人类血液样品中的铅同位素比线性分布在²⁰⁷ Pb / ²⁰⁴ Pb与²⁰⁸ Pb / ²⁰⁴ Pb和²⁰⁶ Pb / ²⁰⁴ Pb与²⁰⁸ Pb / ^204中铅图。除煤矿开采活动外，柴油交通尾气和粉煤灰中的空气中铅沉积还导致人体血铅水平升高。从地理空间上讲，铅主要集中在居民区，工业区和煤矿区，而锌和锰主要分布在工业中心的路边地区。