| Yuan Liyun,Gao Juanjuan,Jiang Li,et al.Radon daughters exposure and lung cancer in Uranium Mine A of Hunan Province.[J].Chinese Journal of Radiological Medicine and Protection,1990,10(4):230-234 |
| Radon daughters exposure and lung cancer in Uranium Mine A of Hunan Province. |
| Received:March 09, 1989 |
| DOI： |
| KeyWords:radon daughters cumulative Exposure dose risk factor lung cancer |
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| Abstract:: |
| The results of investigation of radon daughters-induced lung cancer in Uranium Ivline A of Hdnan Province are reported. The underground concentrations of 222Rn and radon daughters were higher than DAC in the first 2-3 years.From 1971 to 1985, of 2149 miners who started underground work before 1971, 11 died of lung cancer.The mortality of lung cancer was 35.14×10-5 and the attributable lung cancer rate was 28.28×10-5.The average time period from the start of exposure to death due to lung cancer was 18.5 years.The excess risk rate was 5.58×10-6 WLM-1 a-1 and the relative increment frequency was 5.03×10-2 WLM-1 a-1.The results of epidemiological study indicated that the incidence of lung cancer was increasing along with the increase in cumulative exposure to radon daughters. |
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