[PDF] Top 20 Determination of Radon Level in Drinking Water in Mehriz Villages and Evaluation the Annual Effective Absorbed Dose

... in drinking water and breathing ...in water is absorbed much easier than food ...of radon is reported from existing water in bedrocks ...groundwater radon is dependent on ... See full document

... village, Radon concentrations of other samples used by people of Mehriz villages as drinking water was low and less than permitted limit set by the Environmental Protection Agency of ... See full document

... of radon gas dissolved in water was removed and the pump stopped automatically after 5 ...meant radon concentration was measured during the four stages of the 5 ...sampled water and central ... See full document

... Background: Radon is one of the most important radionuclides, formed from the decay of the element radium and more soluble in ...As drinking water is a vital source of life, control of its quality is ... See full document

... of water samples at Al-Hurrah City in Najaf province/Iraq using NaI (Tl) and RAD-7 ...of water, City Water (Drinking Water), River Water and Underground ...as Annual ... See full document

... Background: Radon as a potential risk of radiation exposure is a natural radioactive element that can emit from rocks and ...in water, it can be inhaled or consumed by the ...and evaluation of ... See full document

... natural drinking waters is 226 Ra and its decay ...28 drinking water samples collected from the North Guilan province was ...of radon emanation method and Pylon AB-5 radon scintillation ... See full document

... average Absorbed Dose rate of the 8 soil samples collected is ...estimated Annual Effective Dose for the sampled areas range from ...average Annual Effective Dose ... See full document

... total absorbed dose via ingestion, inhalation and external irradiation ...The determination of naturally occurring radionuclides depends on the dis- tribution of rocks from which they originate and ... See full document

... form radon-222 ...active radon progeny (radon daughters) [2]. The name radon is Rn-222 isotope in order to distinguish it from other two natural isotopes; called thoron Rn-220 (alpha emitter ... See full document

... Finely ground gypsum rock was used in agriculture and other industries to neutralize sodic soils, to improve soil permeability, to add nutrients, to stabilize slopes, and to provide catalytic support for maximum ... See full document

... sachet drinking water samples produced in Nigeria by Ajayi and Adesida 2009 [17], Determination of natural radioactivity in groundwater in Tanke-Ilorin, Nigeria by Nwankwo 2013 [18], and ... See full document

... potable water. 80% of water pollution is due to house hold waste, it was reported by ...WHO. Water is an essential element and its quality directly associate with the human health (Durmishi et ... See full document

... This is the absorption of a photon by an atomic electron with the subsequent ejection of the electron from its shell (Fig. 3.3), usually K-shell, if the binding energy of that shell is less than the gamma-ray energy. L ... See full document

... rain water samples collected from five LGAs in Akwa Ibom State, ...total annual effective dose due to the intake of 40 K, 238 U and 232 Th by all the locations ranged from ...equivalent, ... See full document

... exposure level was carried out using Radex (RD 1212) radiation survey meter which measured radiation absorbed dose rate in micro Seviert per hour ...For effective monitoring, the radiation ... See full document

... DOI: 10.4236/ojrad.2017.74030 277 Open Journal of Radiology nized samples were filled into 1000 ml Marinelli beakers which were later her- metically sealed with the help of PVC (polyvinyl chloride) commercial to pre- ... See full document

... the absorbed gamma dose rate values in air outdoors were varied between ...the annual effective dose rates are given in the 4th column of Table 2, ranges from ... See full document

... The annual effective dose rates (E) is an important parameter in order to judge the health effects of the absorbed ...the effective dose rates, the conversion coefficient from ... See full document

... the radon and its progenies in everyday life, which is known to be more than 50% of the total natural ...of radon in indoor environments. Therefore, indoor radon levels of some houses and workplaces ... See full document