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Relevant bibliographies by topics / Radalert

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Journal articles

Academic literature on the topic 'Radalert'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Radalert"

1

Biere, Peter E, Aluko, Tolulope O., and Emumejaye, Kugbere. "Estimation of Excess Lifetime Cancer Risks at the Niger Delta University Sculpture Garden, Wilberforce Island, Bayelsa State, Nigeria." International Journal of Latest Technology in Engineering Management & Applied Science 14, no. 1 (2025): 216–21. https://doi.org/10.51583/ijltemas.2025.1401023.

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The exposure rates at the Niger Delta University sculpture gardens have been measured and excess lifetime cancer risk has also been determined. Measurement of exposure rate was carried out in a total of twenty points around the garden using a portable hand-held radiation detector, radalert 100X. Results show averages of exposure rate, absorbed dose, annual effective dose and excess lifetime cancer risk as 0.012 mRh-1, 107.9 nGyh-1, 0.132 mSvy-1 and 0.162 x 10-3 respectively. All averages, except for absorbed dose rate, were below world average. The results show low radiation level in the mater

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2

Karki, R. S., R. Bhatta, B. P. Jha, R. Khanal, and B. R. Shah. "Study of Natural Background Radiation in Bagmati Province, Nepal." Journal of Nepal Physical Society 9, no. 2 (2023): 63–68. http://dx.doi.org/10.3126/jnphyssoc.v9i2.62405.

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In this research, we explored the influence of natural sources on ambient radiation levels in the surrounding environment. Our investigation involved conducting a comprehensive survey of background radiation across seven districts in the Bagmati province. We utilized a Radalert 100 radiation monitor to measure the background dose rate at 141 different locations. The recorded background ionizing radiation at these sites varied from 0.022 mR/hr to 0.028 mR/hr, averaging at 0.025 mR/hr. The mean dose rate was determined to 2.129 ± 0.172 mSv/y. Subsequently, the obtained dose rates were used to co

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3

Furo, Evelyn V., I. A. Hart, and Chinyere P. Ononugbo. "Risk Assessment of Outdoor Gamma Radiation in Some Coastal Communities of Delta State, Nigeria." Asian Journal of Advanced Research and Reports 17, no. 10 (2023): 173–85. http://dx.doi.org/10.9734/ajarr/2023/v17i10542.

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An assessment of background ionization radiation and associated health risk in some coastal communities of Delta State, Nigeria was carried out using a well calibrated portable radiation detector (Radalert-200) and GPS (Garmin GPS 72H) for the measurement of the geographical locations. The study covered Abiteye and Anotech Jetty water ways with nine notable communities assessed, where marine transportation and equipment haulage are predominant. The exposure rates ranged from 0.011 to 0.019 mRh−1 with overall mean value of 0.015 ± 0.002 mRh−1. The computed absorbed dose rates ranged from 95.70

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4

Bubu, A., and C. P. Ononugbo. "Measurement of Outdoor and Indoor Background Ionizing Radiation of O.B. Lulu Briggs Health Center, University of Port Harcourt, Choba, Rivers State, Nigeria." Asian Journal of Physical and Chemical Sciences 11, no. 3 (2023): 21–29. http://dx.doi.org/10.9734/ajopacs/2023/v11i3203.

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Measurement of outdoor and indoor background ionizing radiation (BIR) of O.B. Lulu Briggs Health Centre in the University of Port Harcourt, Rivers State, Nigeria was carried out using a well-calibrated Radalert-100 (Radiation meter) and Digilert-200 meters and Global Positioning System (Garmin 765). 30 selected locations were considered. The outdoor and indoor results are as follows respectively, average exposure rates are 0.012±0.001 and 0.013±0.001 mR/h, mean absorbed dose rate (ADR) are 105.6 and 96.28 nGy/h, estimated value of the annual effective dose equivalent (AEDE) are 0.17 and 0.27 m

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5

A., I. Olanrewaju, and O. Avwiri G. "Assessment of the Radiation Hazard Indices from Terrestrial Radiation in Mining Sites in Benue State, Nigeria." Asian Journal of Environment & Ecology 2, no. 4 (2017): 1–10. https://doi.org/10.9734/AJEE/2017/33373.

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The assessment of the radiation hazard indices of solid minerals and sand in mining sites of Benue State, Nigeria was carried out using well calibrated radalert-50 and 100 meters and a Global Positioning System (Garmin 765). The sites investigated are Lessle (Barite), Gboko (Limestone), Owukpa (Coal) and Akuana (Salt) deposits fields. The mean background radiation ionization exposure rate of 0.019±0.004, 0.019±0.004, 0.014±0.002 and 0.023±0.005 mRh<sup>-1</sup> were obtained respectively. The mean of absorbed dose rates estimated for the mining fields are 161.53, 169.40, 120.35 and 201.84 nGy/

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6

Biere, Peter E., Emumejaye Kugbere, and Ayorinde B. Ogunremi. "Measurement and Comparison of Indoor and Outdoor Exposure Rates and Radiation Risks in Tantua-Amassoma, Bayelsa State, Nigeria." International Journal of Research and Scientific Innovation XII, no. I (2025): 432–39. https://doi.org/10.51244/ijrsi.2025.12010037.

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Residential areas for university students are special places where they spend a lot of time and may be contaminated by radionuclides and radon. The necessity of radiation monitoring, mapping, and mitigation techniques to reduce potential health hazards is highlighted by the fact that prolonged exposure to background ionizing radiation can also result in neurological illnesses, reproductive issues, and carcinogenic and mutagenic consequences. The goal of this research is to analyze radiological risks both indoors and outdoors in a neighborhood that is primarily populated by university students.

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7

Pantha, Parkash, Tanka Prasad Bhusal, Budha Ram Shah, and Rajendra Prasad Koirala. "Study of natural background radiation in Kathmandu Valley." BIBECHANA 16 (November 22, 2018): 187–95. http://dx.doi.org/10.3126/bibechana.v16i0.21605.

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The study of natural background radiation dose at thirty two locations of Kathmandu valley has been done successfully using the instrument Radalert 100. The average dose rates and annual effective dose were measured. From the measurements, the least value of average dose rate was found to be (22.3±3.9)×10-3 mR/hr for Sundhara and the greatest value of average dose rate was found to be (37.7±7)×10-3 mR/hr for Budhanilkantha 3. As per the annual effective dose, the least value was 0.391 mSv/yr for Sundhara and the greatest value was 0.661 mSv/yr for Budhanilkantha 3. The average annual effective

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8

Chaanda, Mohammed S., Agbalagba Ezekiel, and Felix Igede. "RADIOLOGICAL EVALUATION OF THE CONCENTRATION AND IMPACT OF OIL AND GAS ACTIVITIES IN ERUEMUKOHWARIEN AREA OF SOUTHERN NIGERIA." Geological Behavior 4, no. 2 (2020): 47–53. http://dx.doi.org/10.26480/gbr.02.2020.47.53.

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The study was carried out in-situ using a Radalert 100 nuclear radiation monitor and a geographical positioning system (GPS). Five facilities were investigated at the rig site which included the rig site host community as well as the camp site for the oil workers at Ekapkamreh town. Ten 10 sampling locations were evaluated at a total of 60 study points. The values obtained range between 0.115±0.018 (µSv/hr) and 0.299±0.040 (µSv/hr) for the rig site environment, 0.111±0.006 (µSv/hr) and 0.337±0.031 (µSv/hr) for field logistic base (offices and workshops), 0.114±0.011 (µSv/hr) and 0.312±0.021 (µ

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9

Orlunta, Aloysius Ndubisi, and Sylvester Akinabie Sokari. "Terrestrial Radiation of Some Selected Active Telecommunication Sites in Port Harcourt, Rivers State, Nigeria." Asian Journal of Research and Reviews in Physics 7, no. 1 (2023): 24–32. http://dx.doi.org/10.9734/ajr2p/2023/v7i1132.

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A study on terrestrial background ionization radiation was carried out around active selected telecommunications sites in Port Harcourt. This study was done using Radalert 100 and the geographical position system (GPS). The exposure rate ranged from 0.033 to 0.141 with a mean value of 0.123±0.20 (mR/h) which is lower than the acceptable limit of 0.0133 (mR/h). The absorbed dose ranged from 287.1 nG/h to 1226.7 nGy/hr with a mean value of 1066.64±1769.6 nGy/hr, which is quite higher than the acceptable limit of 89.0 nGy/h. The annual effective dose ranged between 0.44 and 1.88 mSv/y, with a mea

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10

Ogobiri, Godwin E., P. E. Biere, Precious Ubah, and Ibuama E. Abule. "Background Ionization Radiation Of Selected Water Factories In Yenagoa Metropolis Bayelsa State." International Journal of Research and Scientific Innovation IX, no. IV (2024): 68–74. http://dx.doi.org/10.51244/ijrsi.2024.1104006.

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The research work was carried out at the water factories of both Allen T. water factory and Niger Delta University (NDU) water factory in Bayelsa State, Nigeria. Radiation Monitoring Device- Radalert x100 was deployed in carrying out the study. The water factories were partitioned into ten different locations as indicated in the both Tables. The Background Ionizing Radiation (BIR) mean value of 0.016 mSv/y was recorded at Allen T. water factory as against the BIR mean value, 0.013 mSv/y as recorded at Niger Delta University (NDU) water factory. The mean Absorbed dose rate (AbD) of 0.140 nGy/h

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