Faculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia.
Environ Sci Pollut Res Int. 2011 Jun;18(5):708-15. doi: 10.1007/s11356-011-0493-5. Epub 2011 Apr 5.
The purpose of this paper is to determine the activity concentrations of radionuclide (137)Cs in soil samples on the territory of Belgrade and the province of Vojvodina. Also, the lifetime cancer mortality risk from external exposure during 1 year is assessed, and the effective dose is estimated.
Eighty eight soil samples were collected from 30 uncultivated locations in Belgrade, and 30 soil samples were collected from 10 locations in the province of Vojvodina. Activity concentrations were measured using an HPGe detector. Using dose conversion factors taken from "EPA Federal Guidance Report 12," annual effective doses from external sources were estimated. The lifetime cancer mortality risk was assessed using cancer risk coefficients taken from "EPA Federal Guidance Report 13."
Activity concentrations of (137)Cs for the territory of Belgrade are in the range of 2.07-89.1 Bq/kg with a mean value of 23.77 Bq/kg; the estimated annual effective doses are in the range of 0.41-17.5 nSv with a mean value of 4.67 nSv, and assessed lifetime cancer mortality risks, normalized on 100,000 inhabitants, are in the range 0.2-9.5 × 10(-5) with a mean value 2.5 × 10(-5). Activity concentrations of (137)Cs for the province of Vojvodina are in the range of 2.73-18.9 Bq/kg with a mean value of 8.57 Bq/kg; estimated annual effective doses are in the range of 0.54-3.71 nSv with a mean value of 1.68 nSv, and assessed lifetime cancer mortality risks, normalized on 100,000 inhabitants, are in the range of 0.3-2.0 × 10(-5) with a mean value 0.9 × 10(-5).
Receiving doses are low from (137)Cs radionuclides occurring in soil, according to the linear no-threshold approach; the risk for cancer development exists but is very small.
本文旨在测定贝尔格莱德和伏伊伏丁那省土壤样本中放射性核素（137）Cs 的活度浓度。此外，还评估了 1 年期间外照射的终生癌症死亡率风险，并估算了有效剂量。
从贝尔格莱德的 30 个未开垦地点采集了 88 个土壤样本，从伏伊伏丁那省的 10 个地点采集了 30 个土壤样本。使用 HPGe 探测器测量活度浓度。使用取自“EPA 联邦指导报告 12”的剂量转换系数，估算了来自外部源的年有效剂量。使用取自“EPA 联邦指导报告 13”的癌症风险系数评估了终生癌症死亡率风险。
贝尔格莱德地区（137）Cs 的活度浓度范围为 2.07-89.1 Bq/kg，平均值为 23.77 Bq/kg；估计的年有效剂量范围为 0.41-17.5 nSv，平均值为 4.67 nSv，归一化为 10 万居民的终生癌症死亡率风险范围为 0.2-9.5×10（-5），平均值为 2.5×10（-5）。伏伊伏丁那省（137）Cs 的活度浓度范围为 2.73-18.9 Bq/kg，平均值为 8.57 Bq/kg；估计的年有效剂量范围为 0.54-3.71 nSv，平均值为 1.68 nSv，归一化为 10 万居民的终生癌症死亡率风险范围为 0.3-2.0×10（-5），平均值为 0.9×10（-5）。
根据线性无阈值方法，土壤中存在的（137）Cs 放射性核素所导致的剂量很低；存在癌症发展的风险，但非常小。
