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Natural activity concentrations in bottled drinking water and consequent doses
1Education Faculty, Physics Department, Ondokuz Mayıs University, Kurupelit, Samsun, Turkey. onderkabadayi@gmail.com
Radiation Protection Dosimetry
|November 18, 2011
Summary
Radioactivity levels of Uranium-238, Thorium-232, and Potassium-40 in Turkish bottled water were measured. Results show concentrations below international safety limits, indicating safe consumption.
Area of Science:
- Environmental Science
- Radiological Health
- Analytical Chemistry
Background:
- Bottled drinking water is a significant source of daily water intake.
- Assessing radioactivity in drinking water is crucial for public health.
- Natural radionuclides like Uranium-238, Thorium-232, and Potassium-40 can be present in water sources.
Purpose of the Study:
- To measure radioactivity concentrations of specific nuclides in bottled water from Turkey.
- To compare these findings with international studies.
- To assess potential health risks associated with radionuclide ingestion.
Main Methods:
- High-resolution gamma-ray spectrometry was employed for accurate measurements.
- A coaxial high-purity germanium detector system was utilized.
- Activity concentrations were determined for Uranium-238, Thorium-232, and Potassium-40.
Main Results:
- Average activity concentrations were found to be 0.781 Bq/L for (238)U, 1.05 Bq/L for (232)Th, and 2.19 Bq/L for (40)K.
- Measured concentrations were compared with data from other global locations.
- Annual effective doses were calculated as 0.0246 mSv for (238)U and 0.169 mSv for (232)Th.
Conclusions:
- The measured radioactivity concentrations in Turkish bottled water are within acceptable limits.
- The calculated annual effective doses suggest a low risk to consumers.
- Continued monitoring of bottled water quality is recommended.
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