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Indoor radon and thoron concentrations in the pyramides of Teotihuacan

  • P. Gonzalez
Article

Summary

This paper presents radon and thoron concentrations measured in the prehispanic tunnel of the Sun Pyramid and in the archeological tunnel 1 in the Moon Pyramid. Radon and thoron concentrations were measured using several electret passive environmental radon monitor (E-PERM) configurations and detection systems. Results were in good agreement with no significant difference (P<0.01). Radon concentration in both pyramids was 1ower than the action levels proposed by the ICRP 65. Therefore, the equivalent effective dose (HE) calculated for the highest concentration was much lower than the action level (3-10 mSv. y-1). A quality assurance program was improved.

Keywords

Pyramid Radon Concentration Thoron Indoor Radon Quality Assurance Program 

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Copyright information

© Springer-Verlag/Akadémiai Kiadó 2005

Authors and Affiliations

  • P. Gonzalez
    • 1
  1. 1.National Institute of Nuclear Research

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