137Cs Concentration In Soils Collected From Bulgaria-Turkey Border Region

Abstract

The Chernobyl accident caused artificial radioactive contamination, especially artificial 137 Cs radionuclide contamination. Due to having long half-life, 137 Cs still continues to remain in soils. In the present study, the surface soil samples were collected from various locations in Bulgaria-Turkey border. The activity concentrations of 137 Cs in collected soil samples were determined. In order to investigate the radiological hazard; the dose rates and the annual effective dose rates were estimated. The activity concentrations of artificial 137 Cs radionuclide in soils were found to range from 1.71±0.18 Bq kg −1 to 6.99±0.66 Bq kg −1 . The mean values of absorbed dose rates, outdoor and indoor annual effective dose rates were found to be 0.10, 4.19, and 16.77 µSv y −1 , respectively. The dose rates and the annual effective dose rates were below the worldwide limit values reported by UNSCEAR and ICRP. In addition, statistical data were estimated, frequency distribution and Q-Q plot were used to assess 137 Cs distribution.

Seasonal Variations of Radioactivity Concentrations in Soil and Sediment of Meriç River, Turkey

“…𝐶 𝜀𝑥𝐼 𝛾 𝑥𝑚 (1) In Eq. 1, A is the activity in Bq kg -1 , C is counts (per second), ε is the detector efficiency, Iγ is the gamma-ray emission probability, and m is the mass of the soil and sediment sample in kg [13], [14].…”

Evaluating Radiation Exposure to Oral Tissues in C-Arm Fluoroscopy A Dose Analysis

“…In order to reduce the negative consequences of radiation, it is very important to first determine the extent of radiation exposure. Significant research efforts have been dedicated to exploring diverse approaches for assessing both natural radiation levels and artificial radiation levels such as X-rays [7][8][9][10][11][12][13][14][15][16].…”