ArticleScientific reports2025
Innovative isotopic modeling and risk assessment of PTEs and PAHs in urban soils.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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5 authors.
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Abstract
This study investigates the health and environmental risks associated with Potentially Toxic Elements (PTEs) and polycyclic aromatic hydrocarbons (PAHs) in urban soils of Sanandaj City, Iran, using an innovative isotopic modeling approach. A total of 53 surface soil samples were systematically collected, revealing elevated concentrations of Zinc (Zn), Copper (Cu), Nickel (Ni), Cadmium (Cd), Chromium (Cr), Arsenic (As), and Lead (Pb), with Cd posing a significant ecological risk. Ecological risk assessments indicated low risk for most elements, except for Cd, which showed a notable environmental threat. Non-carcinogenic risk assessments, based on ingestion, inhalation, and dermal exposure, revealed no significant risks for both children and adults, although children exhibited higher risks, particularly in ingestion. However, carcinogenic risk assessments demonstrated that metals like Cr, Ni, Pb, Cd, and As exceeded the acceptable risk thresholds for both populations, highlighting a severe health concern. PAH concentrations ranged from 126.44 to 2460.87 µg/kg, with a dominance of high molecular weight PAHs, suggesting significant pyrogenic sources. A novel isotopic modeling method, based on
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