巴基斯坦核科学与技术研究所提供的复合食品的放射性影响。
Radiological impact of composite food served at PINSTECH.
作者信息
Jabbar T, Akhter P, Khan K, Jabbar A, Saleem K
机构信息
Environmental Monitoring Laboratories, Health Physics Division, PINSTECH, Nilore, Islamabad, Pakistan.
出版信息
Food Chem Toxicol. 2009 Jun;47(6):1205-8. doi: 10.1016/j.fct.2009.02.013. Epub 2009 Feb 20.
To determine radiological impact of composite food served at Pakistan Institute of Nuclear Science and Technology (PINSTECH) on its worker, cooked meals were collected during 2000-2007 and analysed by gamma and beta radiometry techniques for naturally occurring radionuclides and fission fragments. The only measurable radionuclide was naturally occurring (40)K. Its activity range was 40+/-1.5 to 182.4+/-3.8 Bq kg(-1) with cumulative average value of 89.4+/-35.1 Bq kg(-1). Based on annual meals taken by the worker in cafeteria, the measured value gives committed effective dose of 74 microSv and estimated cancer risk factor of 1.5 x 10(-4) that is a minor fraction of the total risk of 5 x 10(-3). It depicts that food served at PINSTECH cafeteria is radiologically safe for consumption.
为确定巴基斯坦核科学与技术研究所（PINSTECH）提供给工作人员的复合食品的辐射影响，在2000年至2007年期间收集了熟食，并通过伽马和贝塔辐射测量技术对天然存在的放射性核素和裂变碎片进行了分析。唯一可测量的放射性核素是天然存在的钾-40。其活度范围为40±1.5至182.4±3.8贝克勒尔每千克，累积平均值为89.4±35.1贝克勒尔每千克。根据工作人员在自助餐厅每年食用的餐食，测量值得出的待积有效剂量为74微希沃特，估计癌症风险因子为1.5×10⁻⁴，这只是总风险5×10⁻³的一小部分。这表明PINSTECH自助餐厅提供的食品在辐射方面食用是安全的。
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