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    222Ra and 226Ra in geothermal waters of Bayındır-Izmir (Turkey)
    (Springer Verlag, 2015) Yarar Z.; Taşköprü C.; İçhedef M.; Saç M.M.; Kumru M.N.; Bolca M.
    The radioactivity levels (222Rn and 226Ra) and physico-chemical properties of geothermal waters from two spas of Bayındır are investigated. Radon and radium measurements were made with collector chamber method. The radon concentrations range from 3.0 to 13.3 Bq/l, whereas the radium varies from 0.35 to 1.71 Bq/l. It has been observed that radon levels increase in winter and decrease in summer. The 222Rn/226Ra ratio was found to range from 4.91 to 30.53. Physico-chemical properties of water samples were also analysed. Water samples have considerably stable total dissolved solids values, slight acidity, low electrical conductivity, and temperature (42–48 °C). © 2015, Springer-Verlag Berlin Heidelberg.
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    Indoor radon levels of spas and dwellings located around BayIndIr geothermal region
    (Kluwer Academic Publishers, 2014) Yarar Z.; Taşköprü C.; İçhedef M.; Saç M.M.; Kumru M.N.
    Western part of Turkey is rich area in terms of geothermal sources. The one of these geothermal areas is BayIndIr-Dereköy/Ergenli located in Küçük Menderes Graben. In this study, indoor radon concentrations were determined in some places (spas and some dwellings) located on BayIndIr-Dereköy/Ergenli. Measurements were realized using LR-115 type 2 solid state nuclear track detectors in the course of 10 months. The indoor radon concentrations were found between 39.3 and 235.4 Bq m -3 for spas, 39.3 and 405 Bq m -3 for houses. Indoor radon concentrations were compared with reference levels determined by international agencies. Radon concentrations in this area were quite low than reference levels revised by international health agencies. © 2013 Akadémiai Kiadó, Budapest, Hungary.