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The Ukrainian-American Study of Leukemia and Related Disorders among Chornobyl Cleanup Workers from Ukraine: II. Estimation of Bone Marrow Doses

机译:乌克兰与美国的霍霍比尔清理工人之间的白血病和相关疾病的乌克兰-美国研究:II。估计骨髓剂量

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摘要

After the accident that took place on 26 April 1986 at the Chornobyl nuclear power plant, hundreds of thousands of cleanup workers were involved in emergency measures and decontamination activities. In the framework of an epidemiological study of leukemia and other related blood diseases among Ukrainian cleanup workers, individual bone marrow doses have been estimated for 572 cases and controls. Because dose records were available for only about half of the study subjects, a time-and-motion method of dose reconstruction that would be applicable to all study subjects, whether dead or alive, was developed. The doses were calculated in a stochastic mode, thus providing estimates of uncertainties. The arithmetic mean individual bone marrow doses were found to range from 0.00004 to 3,300 mGy, with an average value of 87 mGy over the 572 study subjects. The uncertainties, characterized by the geometric standard deviation of the probability distribution of the individual dose, varied from subject to subject and had a median value of about 2. These results should be treated as preliminary; it is likely that the dose calculations and particularly the uncertainty estimates will be improved in the follow-up of this effort. (C) 2008 by Radiation Research Society
机译:1986年4月26日在乔诺贝利核电站发生事故后,成千上万的清理工人参与了紧急措施和净化活动。在一项针对乌克兰清洁工人的白血病和其他相关血液病的流行病学研究的框架中,估计有572例病例和对照的个体骨髓剂量。由于仅约一半的研究对象可获得剂量记录,因此开发了一种适用于所有研究对象(无论死者还是活着)的时间和运动剂量重建方法。以随机模式计算剂量,从而提供不确定性的估计。 572名研究对象的算术平均个体骨髓剂量范围为0.00004至3,300 mGy,平均值为87 mGy。不确定性以个体剂量的概率分布的几何标准偏差为特征,因受试者而异,其中位数约为2。这项工作的后续工作可能会改善剂量计算,尤其是不确定性估计。 (C)放射研究学会2008年

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