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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15 |
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| Paper Title: | Assessment of Annual Effective Dose in children Due to Intake of Water Samples from New Calabar River, Rivers State, Nigeria. |
| Authors Name: | Onukwurumege Igbudu , Margaret. A. Briggs-Kamara , Arobo. R. C. Amakiri |
| Unique Id: | IJSDR2310130 |
| Published In: | Volume 8 Issue 10, October-2023 |
| Abstract: | Abstract A radiological assessment of annual effective dose of 40K, 232Th and 232U in children due to ingestion of water samples collected during wet season (July, 2022), from some randomly selected communities along the river banks of the New Calabar River, Rivers State, Nigeria, was carried out in this study. The activity concentration of 40K, 232Th and 232U in the water samples were determined first, using Sodium Iodide (NaI) gamma ray detector. Twenty-eight, 0.5 L sterile containers were thoroughly washed with detergent and rinsed three times with distilled water. Water samples were collected into the sterile containers and acidified by injecting 16 ml, 1 M HNO3 acid solution to reduce the pH of the water sample to less than 2, avoid adsorption of radionuclides on the walls of the container and to allow for secular equilibrium to be established before gamma ray analysis. The annual effective dose (mSv〖yr〗^(-1)) in children due to the intake of the water samples was estimated, using the activity concentration of the radionuclides with their ingested dose conversion factor. Results showed that the mean annual effective dose (mSv〖yr〗^(-1)) of the radionuclide (40K) in children aged (2-7) yrs and (7-12) yrs are: 0.478±0.025 and 0.296±0.017 respectively. The mean annual effective dose (mSv〖yr〗^(-1)) of 232Th in Children aged (2-7 and 7-12) yrs are: 0.535±0.031 and 0.443±0.025 respectively and the mean annual effective dose (mSv〖yr〗^(-1)) of 232U in children aged (2-7 and 7-1) yrs are 1.985±0.252 and 1.936±0.248 respectively. The mean total annual effective dose (mSv〖yr〗^(-1)) of (40K, 232Th and 232U) in children (2-7 and 7-12) yrs are 2.999±0.297 and 2.660±0.291 respectively. Results also indicated that all the radiological parameters considered in this present study are above the WHO and UNSCEAR recommended safe limit of 0.20. It can be conclude that the water supplies from some selected communities along the banks of the New Calabar River, are found to be radiologically contaminated, polluted and unsafe for human consumption, especially among the children population of the inhabitants. It is recommended that alternative, safe and clean source of water supplies be provided by government and nongovernmental organizations, for the inhabitants of the study area. Further research studies on determination of radiological hazards on the remaining population of the study area and other communities not captured in this present study, is highly recommended to be carried out. |
| Keywords: | Rivers State, nongovernmental organization, children, gamma ray, radionuclides |
| Cite Article: | "Assessment of Annual Effective Dose in children Due to Intake of Water Samples from New Calabar River, Rivers State, Nigeria.", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.8, Issue 10, page no.849 - 860, October-2023, Available :http://www.ijsdr.org/papers/IJSDR2310130.pdf |
| Downloads: | 000338720 |
| Publication Details: | Published Paper ID: IJSDR2310130 Registration ID:208971 Published In: Volume 8 Issue 10, October-2023 DOI (Digital Object Identifier): Page No: 849 - 860 Publisher: IJSDR | www.ijsdr.org ISSN Number: 2455-2631 |
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