annual effective dose rate
DETERMINATION OF RADIOACTIVITY CONCENTRATION OF NATURAL RADIONUCLIDES AND RADIATION HAZARD INDICES IN SOIL SAMPLES FROM OWERRI, SOUTH EAST NIGERIA
... The radioactivity concentrations of 238 U, 40 K and 232 Th and the associated radiation hazard levels in soil samples in the 3 different locations of the study area were investigated using gamma ray spectrometer. The ...
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An Evaluation of Health Hazards Indices of Natural Radioactivity of the Sediments from Eko Ende Dam, Osun State, Nigeria
... This study measured the radioactivity level in the sediments of Eko-Ende Dam in Ifelodun Local Government Area, Osun State, Nigeria and assessed the radiological impact associated. Thirty six (36) sediment samples were ...
15
Investigation of Radiological Hazards Within Uyo Metropolis Central Dumpsite, Akwa Ibom State, Nigeria
... calculated annual effective dose rate for outdoor radiation presented in ...that annual effective dose rate is lower than the ICRP recommended effective ...
5
Evaluation of naturally occurring radionuclide in soil samples from pandogari mining sites in Niger State, Nigeria
... absorbed dose rate due to the three radionuclides is highest for soil sample PA1 with absorbed dose rate of ...absorbed dose rate of the soil samples is ...absorbed dose ...
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Evaluation of Natural Radioactivity Levels and Radiological Hazards in Soil Samples of Sarıkamış Province, Kars, Turkey
... Correlation studies were conducted between the natural radionuclide activity concentrations and lifetime cancer risk. As shown in Figure 2 and 3, there is a fairly good correlation between 226 Ra (R 2 =0.862), 40 K (R 2 ...
6
Natural Radioactivity Assessment and Radiological Hazards in Soils from Qarun Lake and Wadi El Rayan in Faiyum, Egypt
... absorbed dose rate, annual effective dose rate and total absorbed dose rate associated with radioactivity in all samples were evaluated and compared with ...
8
Measurement of Radon Exhalation Rate in Some Building Materials Using Nuclear Track Detectors
... exhalation rate, mass exhalation rate and annual effective dose for the building mate- rials were given by Table 1 and Table 2 ...exhalation rate ranged from 190.99 - 362.88 mBqm ...
8
Determination of Background Ionizing Radiations in Selected Buildings in Nairobi County, Kenya
... Brazil [14]. According to a study in 2013 classified radiation areas as low (less than 5mSv), medium (5-10 mSv), high (20-50 mSv) and very high (greater than 50 mSv) [15]. In China, Yangjiang is a high natural background ...
7
Radioactivity concentrations and dose assessment for soil samples from wheat plantation areas of Narok County, Kenya
... absorbed dose rate and annual effective dose rate, radium equivalent activity, external and internal hazard indices, gamma and alpha ...
80
Evaluation of Natural Radioactivity in Marine Sand Deposits from Offshore China
... absorbed dose rate (DR), annual effective dose (HR), alpha in- dex (Ia), gamma index (Ig), external radiation hazard index (Hex), internal rad- iation hazard index (Hin), representative ...
22
Evaluation of Radioactivity Level and Its Radiological Impact in Soil Samples Around Transmission Company of Nigeria
... absorbed dose rate, the annual effective dose equivalent, the internal hazard index, the external hazard index, the annual gonadal dose equivalent, the representative ...
6
Processing of Landsat 8 Imagery and Ground Gamma Ray Spectrometry for Geologic Mapping and Dose Rate Assessment, Wadi Diit along the Red Sea Coast, Egypt
... absorbed dose rate (D), annual effective dose equivalent (AEDE) and external hazard index (H ex ) were found to be within the ...
20
Estimation of Terrestrial Gamma Radiation Dose and Annual Effective Dose Around Industrial Areas of Tumkur City
... calculate effective dose. Data obtained for the external exposure rate in µRh −1 were converted into absorbed dose rate (nGy/h) using the conversion factor μRh −1 = ...used dose ...
11
Natural Radionuclides Concentrations and Annual Effective Dose in Seasonal Fruits of Bangladesh
... into dose on ingestion of radionuclides into the body. The intake to dose conversion factors cited in the ICRP publication ...internal effective dosesare: ...that Annual Internal doses have ...
8
Study on Seasonal Variation of Indoor Radon, Thoron and their Progeny Levels in Belur and Channarayapatna Taluks of Hassan District, Karnataka State, India.
... inhalation dose, lifetime fatality risk and annual effective dose were estimated in the dwellings of Belur and Channarayapatna taluks of Hassan ...ventilation rate and radionuclides ...
6
The Experimental Gamma Radiation Dose Rate for Radiation Hazard into Adhesive Building Materials in Saudi Arabia
... lowest value for adhesive was 0.08 mSv/yr and highest value was 0.13 mSv/yr with mean of 0.09 mSv/yr. Lucky, the study adhesive materials were less than max permissible value of 1 mSv/yr. The annual ...
20
Radioactivity Concentration within the Environment of Lautech Teaching Hospital Osogbo, Nigeria
... absorbed dose rates from external exposure were measured with Alarm Dosimeter (LK 3600) Geiger counter portable ...mean dose rates from of the ten measurement were collected and appointed as the outdoor ...
7
Determination of Natural and Artificial Radionuclides in Soil Samples of Bhola District, Bangladesh
... gamma dose rate obtained in this study is less than to the world average 57 ...for annual effective dose of soil samples were less than the average world recommended value of ...
8
Natural radioactivity levels and radiation hazards for gypsum materials used in Egypt
... and dose rates for various rock ...absorbed dose rate from all those radionuclides also exceeds significantly the av- erage value of 55 nGy·h −1 from these terrestrial radio- nuclides in regular ...
9
Specific Activities of Natural Radionuclides and Annual Effective Dose Due to the Intake of Some Types of Children Powdered Milk Available in Baghdad Markets Basim Khalaf Rejah
... age, rate of growth and the way to his eating as it is possible to take radioactive material directly from the soil, especially those that are difficult to be absorbed by plants or feed ...
6