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Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska.
Curguz, Z; Stojanovska, Z; Zunic, Z S; Kolarz, P; Ischikawa, T; Omori, Y; Mishra, R; Sapra, B K; Vaupotic, J; Ujic, P; Bossew, P.
Afiliación
  • Curguz Z; University of East Sarajevo, Faculty of Transport and Traffic Engineering, Vojvode Misica 52, 74000 Doboj, Bosnia and Herzegovina.
  • Stojanovska Z; Goce Delcev University, Faculty of Medical Sciences, Stip, Republic of Macedonia.
  • Zunic ZS; Institute of Nuclear Sciences "Vinca", University of Belgrade, 11000 Belgrade, Serbia.
  • Kolarz P; University of Belgrade, Institute of Physics, Serbia.
  • Ischikawa T; Fukushima Medical University, Department of Radiation Physics and Chemistry, Hikariga-oka 1, Fukushima, 960-1295, Japan.
  • Omori Y; Fukushima Medical University, Department of Radiation Physics and Chemistry, Hikariga-oka 1, Fukushima, 960-1295, Japan.
  • Mishra R; Bhabha Atomic Research Centre, Radiological Physics and Advisory Division, Mumbai, India.
  • Sapra BK; Bhabha Atomic Research Centre, Radiological Physics and Advisory Division, Mumbai, India.
  • Vaupotic J; Institute Jozef Stefan, Radon Centre, Jamova 39, 1000 Ljubljana, Slovenia.
  • Ujic P; Institute of Nuclear Sciences "Vinca", University of Belgrade, 11000 Belgrade, Serbia. Electronic address: ujic@vinca.rs.
  • Bossew P; German Federal Office for Radiation Protection, Köpenicker Allee 120-130, 10318 Berlin, Germany.
J Environ Radioact ; 148: 163-9, 2015 Oct.
Article en En | MEDLINE | ID: mdl-26171822
This article reports results of the first investigations on indoor radon, thoron and their decay products concentration in 25 primary schools of Banja Luka, capital city of Republic Srpska. The measurements have been carried out in the period from May 2011 to April 2012 using 3 types of commercially available nuclear track detectors, named: long-term radon monitor (GAMMA 1)- for radon concentration measurements (C(Rn)); radon-thoron discriminative monitor (RADUET) for thoron concentration measurements (C(Tn)); while equilibrium equivalent radon concentration (EERC) and equilibrium equivalent thoron concentrations (EETC) measured by Direct Radon Progeny Sensors/Direct Thoron Progeny Sensors (DRPS/DTPS) were exposed in the period November 2011 to April 2012. In each school the detectors were deployed at 10 cm distance from the wall. The obtained geometric mean concentrations were C(Rn) = 99 Bq m(-3) and C(Tn) = 51 Bq m(-3) for radon and thoron gases respectively. Those for equilibrium equivalent radon concentration (EERC) and equilibrium equivalent thoron concentrations (EETC) were 11.2 Bq m(-3) and 0.4 Bq m(-3), respectively. The correlation analyses showed weak relation only between C(Rn) and C(Tn) as well as between C(Tn) and EETC. The influence of the school geographical locations and factors linked to buildings characteristic in relation to measured concentrations were tested. The geographical location and floor level significantly influence C(Rn) while C(Tn) depend only from building materials (ANOVA, p ≤ 0.05). The obtained geometric mean values of the equilibrium factors were 0.123 for radon and 0.008 for thoron.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Instituciones Académicas / Monitoreo de Radiación / Radón / Contaminación del Aire Interior / Contaminantes Radiactivos del Aire País/Región como asunto: Europa Idioma: En Revista: J Environ Radioact Asunto de la revista: SAUDE AMBIENTAL Año: 2015 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Instituciones Académicas / Monitoreo de Radiación / Radón / Contaminación del Aire Interior / Contaminantes Radiactivos del Aire País/Región como asunto: Europa Idioma: En Revista: J Environ Radioact Asunto de la revista: SAUDE AMBIENTAL Año: 2015 Tipo del documento: Article Pais de publicación: Reino Unido