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<p>This research focused on examining the occurrence of heavy metals, including Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Hg, Pb, and V, within the dust and scalp hair of individuals working at gas stations within Erbil province, as well as residents living in rural areas of Hawraman, away from polluted sources. The measurements of metals were performed in a laboratory environment utilizing an XRF device, including the Thermo Scientific Genius 9000 model. The findings revealed significantly higher concentrations of heavy metals in dust particles and hair samples collected from gas station workers compared to those from clean rural areas. The values derived from the Geo-accumulation index (<i>I</i><sub>GEO</sub>) and Pollution Load Index (PLI) suggest that pollution from gas stations ranged from uncontaminated to moderate, reaching severe levels. Specifically, the PLI at gas stations reached an elevated level of 7.02, decreasing to 0.49 in rural areas. A strong connection has been identified between the concentrations of metallic elements in the dust particles and worker’s hair samples. Workers with over 22&#xa0;years of experience had higher metal levels in their hair, while those aged 20–30 had lower levels than those over 55.</p>

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Assessing air quality impacts of gas stations through heavy metal analysis in dust and employees’ scalp hair in Erbil City

  • 期刊论文

  • 发表日期：

    2025年3月17日

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  • Sara Abdulkhaliq Yasin,
  • Zhian Rashid Salih

摘要

This research focused on examining the occurrence of heavy metals, including Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Hg, Pb, and V, within the dust and scalp hair of individuals working at gas stations within Erbil province, as well as residents living in rural areas of Hawraman, away from polluted sources. The measurements of metals were performed in a laboratory environment utilizing an XRF device, including the Thermo Scientific Genius 9000 model. The findings revealed significantly higher concentrations of heavy metals in dust particles and hair samples collected from gas station workers compared to those from clean rural areas. The values derived from the Geo-accumulation index (IGEO) and Pollution Load Index (PLI) suggest that pollution from gas stations ranged from uncontaminated to moderate, reaching severe levels. Specifically, the PLI at gas stations reached an elevated level of 7.02, decreasing to 0.49 in rural areas. A strong connection has been identified between the concentrations of metallic elements in the dust particles and worker’s hair samples. Workers with over 22 years of experience had higher metal levels in their hair, while those aged 20–30 had lower levels than those over 55.