Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam
Radon and its isotopes are inert gases as they do not interact with any chemical compounds. Compared with thoron (220Rn) and radon-219 (219Rn), the risk of radioactive exposure of radon-222 (222Rn) is very high due to its long half-life of 3.8 d, while the half-life of 220Rn is 55 sec and of 219Rn...
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Vietnam Ministry of Science and Technology
2022-05-01
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| Series: | Vietnam Journal of Science, Technology and Engineering |
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| Online Access: | https://vietnamscience.vjst.vn/index.php/vjste/article/view/40 |
| _version_ | 1797937750218899456 |
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| author | Van Dung Nguyen Thi Lan Anh Vu Dinh Huan Trinh Thi Cuc Nguyen |
| author_facet | Van Dung Nguyen Thi Lan Anh Vu Dinh Huan Trinh Thi Cuc Nguyen |
| author_sort | Van Dung Nguyen |
| collection | DOAJ |
| description |
Radon and its isotopes are inert gases as they do not interact with any chemical compounds. Compared with thoron (220Rn) and radon-219 (219Rn), the risk of radioactive exposure of radon-222 (222Rn) is very high due to its long half-life of 3.8 d, while the half-life of 220Rn is 55 sec and of 219Rn is 4 sec. As a gas, radon can escape from the surfaces of ore, minerals, and rocks, then dissolve into groundwater and move very far from the formation site. While all these radioisotopes emit alpha radiation, Rn-222 is the most important as it is the main factor behind dangerous doses to the respiratory tract that are harmful to human health. Survey results of radon concentration in the air and retrospective data (from 2017 to 2019) on the health of residents and workers near and in the rare earth mines Dong Pao and Muong Hum, as well as the Sin Quyen copper mine, illustrated the health characteristics of the people involved in the northwestern mineral mines (Lao Cai - Lai Chau) that are exposed to radon. At the Dong Pao and Muong Hum rare earth mines, as well as the Sin Quyen copper mine, residents and workers were exposed to high concentrations of radon gas and thus developed some related illnesses such as respiratory, urological, digestive, genetic, and neurological diseases. Assessing the risk of pulmonary tuberculosis and estimating the average death rate from lung cancer with radon exposure shows that, in the surveyed area, the risk value is high (0.046) compared to other regions of Vietnam. However, it is within the limits allowed by the United States Environmental Protection Agency (EPA).
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| first_indexed | 2024-04-10T18:50:17Z |
| format | Article |
| id | doaj.art-4f14d0f5c53f49398fc014dbe9672db0 |
| institution | Directory Open Access Journal |
| issn | 2525-2461 2615-9937 |
| language | English |
| last_indexed | 2024-04-10T18:50:17Z |
| publishDate | 2022-05-01 |
| publisher | Vietnam Ministry of Science and Technology |
| record_format | Article |
| series | Vietnam Journal of Science, Technology and Engineering |
| spelling | doaj.art-4f14d0f5c53f49398fc014dbe9672db02023-02-01T08:12:43ZengVietnam Ministry of Science and TechnologyVietnam Journal of Science, Technology and Engineering2525-24612615-99372022-05-0164110.31276/VJSTE.64(1).78-84Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest VietnamVan Dung Nguyen0Thi Lan Anh Vu1Dinh Huan Trinh2Thi Cuc Nguyen3Faculty of Environment, Hanoi University of Mining and GeologyFaculty of Environment, Hanoi University of Mining and Geology; Faculty of Environment, University of Science, Vietnam National University, HanoiGeological Division for Radioactive and Rare Elements, General Department of Geology and Minerals of VietnamFaculty of Environment, Hanoi University of Mining and Geology Radon and its isotopes are inert gases as they do not interact with any chemical compounds. Compared with thoron (220Rn) and radon-219 (219Rn), the risk of radioactive exposure of radon-222 (222Rn) is very high due to its long half-life of 3.8 d, while the half-life of 220Rn is 55 sec and of 219Rn is 4 sec. As a gas, radon can escape from the surfaces of ore, minerals, and rocks, then dissolve into groundwater and move very far from the formation site. While all these radioisotopes emit alpha radiation, Rn-222 is the most important as it is the main factor behind dangerous doses to the respiratory tract that are harmful to human health. Survey results of radon concentration in the air and retrospective data (from 2017 to 2019) on the health of residents and workers near and in the rare earth mines Dong Pao and Muong Hum, as well as the Sin Quyen copper mine, illustrated the health characteristics of the people involved in the northwestern mineral mines (Lao Cai - Lai Chau) that are exposed to radon. At the Dong Pao and Muong Hum rare earth mines, as well as the Sin Quyen copper mine, residents and workers were exposed to high concentrations of radon gas and thus developed some related illnesses such as respiratory, urological, digestive, genetic, and neurological diseases. Assessing the risk of pulmonary tuberculosis and estimating the average death rate from lung cancer with radon exposure shows that, in the surveyed area, the risk value is high (0.046) compared to other regions of Vietnam. However, it is within the limits allowed by the United States Environmental Protection Agency (EPA). https://vietnamscience.vjst.vn/index.php/vjste/article/view/40lung cancerradioactiveradonradon exposurerisk level |
| spellingShingle | Van Dung Nguyen Thi Lan Anh Vu Dinh Huan Trinh Thi Cuc Nguyen Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam Vietnam Journal of Science, Technology and Engineering lung cancer radioactive radon radon exposure risk level |
| title | Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam |
| title_full | Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam |
| title_fullStr | Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam |
| title_full_unstemmed | Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam |
| title_short | Radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest Vietnam |
| title_sort | radon concentrations and forecasting exposure risks to residents and workers in rare earth and copper mines containing radioactivity in northwest vietnam |
| topic | lung cancer radioactive radon radon exposure risk level |
| url | https://vietnamscience.vjst.vn/index.php/vjste/article/view/40 |
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