ESR dosimetry study for the residents of Kazakhstan exposed to radioactive fallout on 24, August 1956

K. Zhumadilov, A. Ivannikov, D. Zharlyganova, Zh Zhumadilov, V. Stepanenko, Sh Abralina, L. Sadvokasova, A. Zhumadilova, S. Toyoda, S. Endo, T. Okamoto, M. Hoshi

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4 Citations (Scopus)


The method of electron spin resonance (ESR) dosimetry has been applied to human tooth enamel in order to obtain individual absorbed doses from the population of settlements within the vicinity of the central axis of the radioactive fallout trace from the contaminating nuclear surface test of 24, August 1956. Most of the settlements (Glubokoe, Tavriya, and Gagarino) are located near Ust-Kamenogorsk city, in Kazakhstan (about 400 km to the east from the epicenter of the explosion at the Semipalatinsk Nuclear Test Site (SNTS)). It was found that the excess doses obtained after the subtraction of natural background radiation ranged up to about 120 mGy for the residents of Ust-Kamenogorsk city, whose tooth enamel was formed before 1956. For the residents of Gagarino, excess doses do not exceed 47 mGy for all ages. For the residents of Tavriya, the maximum of excess dose was determined as 54 mGy and for the residents of Glubokoe, the maximum excess dose was about 83 mGy. For the population of the Shemonaikha settlements (about 70 km from the centerline of the radioactive fallout trace) the highest excess dose is 110 mGy. Also for this study, Znamenka village (about 130 km from the epicenter) was included. The Kokpekty settlement was chosen as a control and not subjected to any radioactive contamination and is located 400 km to the Southeast from SNTS.

Original languageEnglish
Pages (from-to)793-796
Number of pages4
JournalRadiation Measurements
Issue number9
Publication statusPublished - Sep 2011


  • ESR dosimetry
  • Retrospective dosimetry
  • Semipalatinsk nuclear test site
  • Tooth enamel

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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