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Related Experiment Videos

Caesium concentration in the Pakistani diet.

P Akhter1, S D Orfi, N Ahmad

  • 1Health Physics Division, Pakistan Institute of Nuclear Science & TechnologyP.O. Nilore, Islamabad, Pakistan.

Journal of Environmental Radioactivity
|March 28, 2003
PubMed
Summary

Radioactive cesium ((137)Cs) was undetectable in the Pakistani diet. Stable cesium levels were measured, with daily intake significantly lower than international recommendations, comparable to global averages.

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Public Health

Background:

  • Cesium intake is a public health concern.
  • Understanding dietary cesium levels is crucial for risk assessment.

Purpose of the Study:

  • To measure daily dietary intakes of radioactive and non-radioactive cesium in the Pakistani population.
  • To compare these intakes with international recommendations.

Main Methods:

  • Food samples collected using the market basket method.
  • Analysis performed using Instrumental Neutron Activation Analysis (INAA).

Main Results:

  • Radioactive cesium ((137)Cs) was below the detectable limit (1 mBq g(-1)).
  • Geometric mean of stable cesium mass fraction was 9.56 ± 1.53 ng g(-1).

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  • Estimated daily intake of stable cesium was 5.65 ± 1.53 µg d(-1) (0.088 µg kg(-1) body weight).

    • Conclusions:

    • Daily cesium intake in Pakistan is lower than International Commission on Radiological Protection (ICRP) recommended values.
    • Cesium concentrations in the Pakistani diet are comparable to global literature values.