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Annual Research & Review in Biology

Annual Research & Review in Biology, ISSN: 2347-565X,Vol.: 15, Issue.: 4

 

Original-research-article

 

Determination of Cs-137 Concentration in Some Environmental Samples around the Semipalatinsk Nuclear Test Site in the Republic of Kazakhstan

 

 

Sergazy Duyssembaev1, Ainur Serikova1, Eleonora Okuskhanova1*, Nadir Ibragimov1, Nailya Bekturova1, Nurgul Ikimbayeva1, Yaroslav Rebezov2, Olga Gorelik2 and Malika Baybalinova1

1Shakarim State University of Semey, Semey, Kazakhstan.

2Ural State Agrarian University, Yekaterinburg, Russia.

 

Abstracts

 

Cs-137 was measured in the soil, vegetation, water, milk and meat samples taken from five different settlements around the Semipalatinsk nuclear test site (SNTS) (Kazakhstan). The settlements of Sarzhal, Kainar, Akzhar, Novopokrovka and Karkaraly belong to extreme, very high, very high, high and minimal radiation risk zones, respectively. Radionuclide activities concentrations were determined using a pure Ge gamma-spectrometer (Canberra, USA) and the measured activity levels were not found to exceed the maximum allowable limits 10 Bq/kg for water and 1000 Bq/kg for meat and milk according to the guidelines of World Health Organization. The highest activity concentration levels of Cs-137 were found in soil while the lowest levels were measured in water. Vegetation, milk and meat showed intermediate levels. In soil, the highest  values were obtained on samples collected in Sarzhal (35.0±1.0 Bq/kg) and Kainar (23.0±1.0 Bq/kg).  Sarzhal also showed the most elevated levels in vegetation (2.2±0.1 Bq/kg), milk (1.8 ± 0.6 Bq/kg) and water (0.05 Bq/kg). Kainar showed the most elevated level in meat (1.8±0.6 Bq/kg). 

 

Keywords :

Cs-137; soil; vegetation; water; milk; meat; East Kazakhstan; Soviet Union.

 

Full Article - PDF    Page 1-8    Article Metrics

 

DOI : 10.9734/ARRB/2017/35239

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