Institute of Soil Science, Agrotechnologies and Plant Protection “N.Poushkarov”, Shousse Bankya Str.,1080 Sofia, Bulgaria
References
[1] UNSCEAR, In: Sources and Effects of Ionizing Radiation, Reportof the General Assembly with Scientific Annexes, vol. 1 (NewYork), 2000
[2] UNSCEAR, In: Sources and Effects of Ionizing Radiation, Reportof the General Assembly with Scientific Annex B, (New York),1993
[3] Montes M.L., Mercader R.C, Taylor A., Runco J., Desimoni J.,Assessment of natural radioactivity levels and their relationshipwith soil characteristics in undisturbed soils of northeast ofBuenos Aires province, Argentina; J Environ Radioactiv, 2012,105;30-39[WoS]
[4] Ministry of Environment and Water in Bulgaria (MEWB), AnnualReport 1998, (in Bulgarian)
[5] ISO 18589-3, Measurement of Radioactivity in the Environment- Soil, Part 3 - Measurement of Gamma-emitting Radionuclides
[6] ISO 18589-2, Measurement of Radioactivity in the environment -Soil, Part 2: Guidance for the selection of the sampling strategy,sampling and pre-treatment of samples, 2007
[7] Pimpl M., Yoo B., Yordanova I., Optimization of RadioanalyticalProcedure for the Determination of Uranium Isotopes inEnvironmental Samples, J Radioanal Nucl Ch, 1992, 161(2),437-441
[8] Yu KN, Guan ZJ, Stoks MJ, Young EC, The assessment of naturalradiation dose committed to the Hong Kong people, J EnvironRadioactiv, 1992, 17:31-48.[Crossref]
[9] Yordanova I., Natural Radioactivity in Samples from SomeRegions in the Rila Mountains and around Former UraniumMining Areas, J Environ Prot Ecol, 2006, 7, No 1,151-156
[10] Regulation No1/15.11.1999 on norms for radiation protectionand safety purposes during liquidating the backlash of uraniummining industry in Republic of Bulgaria
[11] Degering D., Schlenker S., Unterricker S., Radionuclide Behaviourin Natural Organic Matter (Peat, Coal and Forest Soil Surfaces), NRC5, 5th International Conference on Nuclear and Radiochemistry,Pontresina, Switzerland ,2000, 3-8, p. 449-452
[12] IAEA, Applicability of Monitored Natural Attenuation atRadioactively Contaminated Sites. Technical Reports Series No.445, Vienna, 2003
[13] Fisenne I.M., USDOE remediation site case study, Environ. Int.,1996, 22, S243-S249.[Crossref]
[14] Goldstein S.J., Rodriguez J.M., Lujan N., Measurement andApplication of Uranium Isotopes for Human and EnvironmentalMonitoring, Health Phys., 1997, 72(1), 10-18
[15] Masitah Alias, et al., An assessment of Absorbed Dose andRadiation Hazard Index from Natural Radioactivity, Malays J AnalSci, 2008, 12, No. 1, pp 195-204