Ảnh hưởng địa sinh học đến nồng độ hoạt tính 220Rn trong khí đất của bang Johor, Malaysia

Alonso H, Rubiano JGGG, Guerra JGGG, Arnedo MAAA, Tejera A, Martel P (2019) Assessment of radon risk areas in the Eastern Canary Islands using soil radon gas concentration and gas permeability of soils. Sci Total Environ 664:449–460. https://doi.org/10.1016/j.scitotenv.2019.01.411 Chege M, Hashim N, Nyambura C, Mustapha A, Hosada M, Tokonami S (2019) Radon and thoron; Radioactive gases lurking in earthen houses in rural Kenya. Front Public Heal 7:1–6. https://doi.org/10.3389/fpubh.2019.00113 Cinelli G, Capaccioni B, Hernández-Ceballos MAA, Mostacci D, Perghem A, Tositti L (2015) Radiological risk from thoron, a case study: the particularly radon-prone area of Bolsena, and the lesson learned. Radiat Phys Chem 116:381–385. https://doi.org/10.1016/j.radphyschem.2015.02.016 Director-General of Geological Survey Malaysia (1985) Geological map of peninsular Malaysia, 8th edn. Department of Geological Survey, Malaysia Durridge (2015) Rad7 radon detector user manual. DURRIDGE Co. Inc 1–81. Durridge company and inc (2015) Soil gas probe, User Manual. DURRIDGE Company. https://durridge.com/products/rad7-radon-detector/ Jing M, Wu J (2013) Fast image interpolation using directional inverse distance weighting for real-time applications. Opt Commun 286:111–116. https://doi.org/10.1016/j.optcom.2012.09.011 Jónás J, Sas Z, Vaupotic J, Kocsis E, Somlai J, Kovács T (2016) Thoron emanation and exhalation of Slovenian soils determined by a PIC detector-equipped radon monitor. Nukleonika 61:379–384. https://doi.org/10.1515/nuka-2016-0063 Khokhar MSKSK, Kher RSS, Rathore VBB, Pandey S, Ramachandran TVV (2008) Comparison of indoor radon and thoron concentrations in the urban and rural dwellings of Chhattisgarh state of India. Radiat Meas. https://doi.org/10.1016/j.radmeas.2008.03.022 Malanca A, Gaidolfi L, Pessina V, Dallara G (1996) Distribution of 226Ra, 232Th, and 40K in soils of Rio Grande do Norte (Brazil). J Environ Radioact 30:55–67. https://doi.org/10.1016/0265-931X(95)00035-9 Narang S, Kumar D, Sharma DK, Kumar A (2018) A study of indoor radon, thoron and their exhalation rates in the environment of Fazilka district, Punjab. India Acta Geophys 66:1233–1241. https://doi.org/10.1007/s11600-018-0114-5 Porstendorfer J (1994) Properties and behaviour of radon and thoron and their decay products in the air. J Aerosol Sci 25:219–263. https://doi.org/10.1016/0021-8502(94)90077-9 Ramachandran TV (2010) Environmental thoron (220 Rn): a review. Iran J Radiat Res 8:129–147 Ramli AT, Rahman ATA, Lee MH (2003) Statistical prediction of terrestrial gamma radiation dose rate based on geological features and soil types in Kota Tinggi district, Malaysia. Appl Radiat Isot 59:393–405. https://doi.org/10.1016/j.apradiso.2003.08.003 Ramola RC, Prasad M, Kandari T, Pant P, Bossew P, Mishra R, Tokonami S (2016) Dose estimation derived from the exposure to radon, thoron and their progeny in the indoor environment. Sci Rep. https://doi.org/10.1038/srep31061 Rout RP, Sahoo BK, Pal R, Dhabekar BS, Bakshi AK, Datta D (2020) Investigation of 220Rn emanation and exhalation from soil samples of Larsemann Hills region. Antarctica J Environ Radioact 214–215:106175. https://doi.org/10.1016/j.jenvrad.2020.106175 Saïdou, Tokonami S, Janik M, Samuel BG, Abdourahimi, Joseph Emmanuel NN (2015) Radon-thoron discriminative measurements in the high natural radiation areas of southwestern Cameroon. J. Environ Radioact 150:242–246. https://doi.org/10.1016/j.jenvrad.2015.09.006 Saleh MA (2013) Environmental radiology of Johor state. Universiti Teknologi Malaysia, Malaysia Saleh MA, Ramli AT, Alajerami Y, Aliyu AS (2013a) Assessment of environmental 226Ra, 232Th and 40K concentrations in the region of elevated radiation background in Segamat District, Johor, Malaysia. J Environ Radioact 124:130–140. https://doi.org/10.1016/j.jenvrad.2013.04.013 Saleh MA, Ramli AT, Alajerami Y, Aliyu AS (2013b) Assessment of natural radiation levels and associated dose rates from surface soils in Pontian district, Johor, Malaysia. J Ovonic Res 9:17–27 Saleh MA, Ramli AT, Alajerami Y, Aliyu AS, Bt Basri NA (2013c) Radiological study of Mersing District, Johor, Malaysia. Radiat Phys Chem 85:107–117. https://doi.org/10.1016/j.radphyschem.2012.12.045 Saleh MA, Ramli AT, Alajerami Y, Mhareb MHA, Aliyu AS, Gabdo HT, Garba NN (2014) Assessment of radiological health from ambient environment in the Muar district, Johor, Malaysia. Radiat Phys Chem 103:243–252. https://doi.org/10.1016/j.radphyschem.2014.05.054 Saleh MA, Ramli AT, Bin Hamzah K, Alajerami Y, Mhareb MHA, Aliyu AS, Hanifah NZHBA (2015a) Natural environmental radioactivity and the corresponding health risk in Johor Bahru District, Johor Malaysia. J Radioanal Nucl Chem. 303:1753–1761. https://doi.org/10.1007/s10967-014-3631-y Saleh MA, Ramli AT, Hamzah K, Alajerami Y, Moharib M, Saeed I, Hamzah bin K, Alajerami Y, Moharib M, Saeed I (2015b) Prediction of terrestrial gamma dose rate based on geological formations and soil types in the Johor State, Malaysia. J Environ Radioact. 148:111–122. https://doi.org/10.1016/j.jenvrad.2015.05.019 Saleh MA, Ramli AT, Hamzah KB, Zainal J, Sies MM, Gabdo HT, Garba NN (2019) In situ measurement of terrestrial gamma dose rates in eastern region of Peninsular Malaysia and its relation to geological formation and soil types. Radiochim Acta 107:503–516. https://doi.org/10.1515/ract-2018-2950 Sanusi MSMM, Ramli AT, Basri NA, Heryanshah A, Said MN, Lee MH, Wagiran H, Saleh MA (2017) Thorium distribution in the soils of Peninsular Malaysia and its implications for Th resource estimation. Ore Geol Rev 80:522–535. https://doi.org/10.1016/j.oregeorev.2016.07.021 Schery SD (1990) Thoron in the environment. Waste Manag Assoc 40:493–497. https://doi.org/10.1080/10473289.1990.10466704 Shepard D (1968) A two-dimensional interpolation for irregularly-spaced data function. Proc Assoc Comput Mach 517–524 Singh P, Singh P, Singh S, Sahoo BK, Sapra BK, Bajwa BS (2015) A study of indoor radon, thoron and their progeny measurement in Tosham region Haryana, India. J Radiat Res Appl Sci 8:226–233. https://doi.org/10.1016/j.jrras.2015.01.008 Steinhzlusler F (1996) Environmental 220Rn: a review. Environ Int 22:S1111–S1123. https://doi.org/10.1016/S0160-4120(96)00227-9 Tokonami S (2010) Why is 220RN (thoron) measurement important? Radiat Prot Dosimetry 141:335–339. https://doi.org/10.1093/rpd/ncq246 UNSCEAR (2000) Report of the United Nations Scientific Committee on the effects of atomic radiation to the general assembly. Meditsinskaya Radiologiya I Radiatsionnaya Bezopasnost. https://doi.org/10.18356/dba273b0-en Zarcone MJ, Schery SD, Wilkening MH, McNamee E (1986) A comparison of measurements of thoron, radon and their daughters in a test house with model predictions. Atmos Environ 20:1273–1279. https://doi.org/10.1016/0004-6981(86)90162-9