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August 18, 2025Deleted Journal0 citationsOpen Access

Chemical Profiling of Street Dust in Kathmandu Valley Reveals High Heavy Metal Concentration

Chemical Profiling of Street Dust in Kathmandu Valley: A Preliminary Environmental Assessment

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Authors

BKBijaya B. KarkiMKMani Ram KandelMGMadhav Prasad Ghimire

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Overview

Chemical analysis reveals significant heavy metal presence in street dust, indicating pollution challenges in urban agglomerations.

Key Points

  • Street dust in Kathmandu Valley contains significant concentrations of heavy metals such as zinc, lead, and cadmium.
  • Heavy metals averaged over 250 mg/kg for zinc and approximately 180 mg/kg for lead, indicating serious pollution levels.
  • Chemical profiling involved FTIR and AAS techniques to analyze the dust samples collected from six urban sites.
  • These findings suggest immediate action is needed for pollution management and environmental health protection.

Cite This Study

Karki et al. (2025) studied this question.

synapsesocial.com/papers/68af4322ad7bf08b1ead1f62https://doi.org/10.3126/jncs.v45i2.83039
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Heavy Metal Pollution in Street Dust: A Comprehensive Study on Risk Assessment and Source Identification in a Highly Industrialized Area of Bangladesh2024
  2. 2Sources, Distribution, and Health Implications of Heavy Metals in Street Dust across Industrial, Capital City, and Peri-Urban Areas of Bangladesh2024 · 15 citations
  3. 3Chemical and micronutrients assessment in Himalayan Foothill highway soil surface2024 · 2 citations
  4. 4Health and economic costs attributable to ambient air pollution levels in the Kathmandu Valley, Nepal2026 · 1 citations
  5. 5Geochemistry, Speciation, and Health Risks from Potentially Toxic Elements in Street Dust of Mbarara City, Uganda2026