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  11. Assessment Of Natural Radioactivity Concentration In The Soil Samples From The Churchandpur And Ukhrul Districts Of Manipur, India.
  1. Home
  3. Research Domains
  5. Philosophy And Religious Studies
  7. Religious Studies
  9. Studies In Eastern Religious Traditions
  11. Assessment Of Natural Radioactivity Concentration In The Soil Samples From The Churchandpur And Ukhrul Districts Of Manipur, India.

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Assessment of natural radioactivity concentration in the soil samples from the Churchandpur and Ukhrul districts of Manipur, India.

Thiyam Priya Devi1, Thokchom Dewan Singh2, Brahmacharimayum Arunkumar Sharma3

  • 1Department of Physics, Oriental College Imphal, Imphal, Manipur 795001, India.

Radiation Protection Dosimetry
|July 17, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

This study measured natural radioactivity in Manipur soil, finding levels comparable to global averages. The research provides essential baseline data on radionuclides in the Churchandpur and Ukhrul districts.

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Area of Science:

  • Environmental Science
  • Nuclear Physics
  • Geochemistry

Background:

  • Natural radioactivity in soil is a significant environmental factor.
  • Understanding radionuclide distribution is crucial for assessing potential health risks.
  • Manipur, India, has not been extensively studied for soil radioactivity.

Purpose of the Study:

  • To determine the concentration of natural radionuclides (226Ra, 232Th, 40K) in soil samples from Churchandpur and Ukhrul districts.
  • To calculate key radiological parameters such as radium equivalent activity (Raeq), absorbed dose rate (D), annual effective outdoor dose (Ė), and external hazard index (Hex).
  • To establish baseline data for natural radioactivity in the studied regions of Manipur.

Main Methods:

  • Collection and analysis of 40 soil samples from Churchandpur and Ukhrul districts.
  • Utilizing gamma-ray spectroscopy for precise measurement of radionuclide concentrations.
  • Calculation of radiological parameters based on measured activity concentrations.

    • Main Results:

    • Average concentrations of 226Ra, 232Th, and 40K were determined for both districts.
    • Radioactivity levels in Churchandpur: 39.9 Bq kg-1 (226Ra), 72.1 Bq kg-1 (232Th), 564.1 Bq kg-1 (40K).
    • Radioactivity levels in Ukhrul: 30.3 Bq kg-1 (226Ra), 54.2 Bq kg-1 (232Th), 637.1 Bq kg-1 (40K).
    • Calculated Raeq, D, Ė, and Hex values were within acceptable ranges and comparable to world averages.
    • Measured Raeq: 165 Bq kg-1, D: 77.6 nGy h-1, Ė: 0.11 mSv y-1, Hex: 0.5.

    Conclusions:

    • The natural radioactivity concentrations in the soil samples from Churchandpur and Ukhrul districts are generally comparable to global averages.
    • The calculated radiological parameters suggest no immediate significant health concern from natural radioactivity in the studied areas.
    • This study successfully provides foundational data on radionuclide distribution in Manipur soils, essential for future environmental and radiological assessments.