Evaluation of the natural and man-made radioactivity levels around the Egyptian nuclear facilities
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H.M. Diab
The monitoring and evaluation of the radioactivity levels around the Egyptian nuclear facilities located at Inshas, near Cairo, namely, two research reactors, an R & D fuel fabrication laboratory and a fuel fabrication pilot plant, were carried out. Soil, water and plant samples were collected from locations near and around the facilities and analyzed by using gamma, laser and alpha spectrometry. A preoperational radiological map for the new reactor site was established. The results of the postoperational monitoring around the first reactor show that the 38year operation of this reactor did not increase the radioactivity level around the facility. The observed man-made 137Cs was found to be (0.3-9.2 Bq/kg) and 239+240Pu 0.096-0.158 Bq/kg. The observed tritium was found to be in the range 0.6-1.48 Bq/L. The absorbed dose rate and radium equivalent are calculated and presented.
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Artikel in diesem Heft
- Luminescence study on solvation of americium(III), curium(III) and several lanthanide(III) ions in nonaqueous and binary mixed solvents
- Isotope correlations for determining the isotopic composition of plutonium
- Chemical analysis of transuranium nuclides in the uranium solution of the JCO criticality accident
- Differential pulse voltammetric determination of U(VI)-Tc(VII) and U(VI)-Cr(VI) in alkaline solutions
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- Hot test of partitioning strontium from high-level liquid waste (HLLW) by dicyclohexano-18crown-6 (DCH18C6)
- Study of Ru released under accidental conditions by overheated nuclear fuel: the emission of Ru and U
- Evaluation of resonance ionization mass spectrometry for the determination of 135Cs/137Cs isotope ratios in low-level samples
- Determination of mass transfer coefficients of 99Tc(VII) in forward and backward transport in PUREX-relevant systems by using analytical ultracentrifugation
- Evaluation of the natural and man-made radioactivity levels around the Egyptian nuclear facilities
