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Abstract
The radioactive Fallout is considered as one of the most major environmental problems that threats public health. The work presented in this thesis is carried out to investigate the level of radioactivity in different environmental samples of soils and vegetations collected from different locations around the NRC at Inshas area and the area nearby (about 30 km radius).
Six different locations: Inshas, Shebeen, Abu-Zaabal, Al-Oboor in addition to two sites in the Nuclear Research Centre (old reactor and protection department sites) were chosen for the collection of the soil and plant samples.
Most typical egyptian soils (sandy, sandyloam, clayey) from three different places (Al-Oboor, Abu-Zaabal, and Shebeen El-Kanatter) were selected for the experiments carried out under laboratory conditions. The plants investigated were grass, old trees and wheat.
Cs137 and Sr90 were chosen to represent the most important long- lived radionuclides considering the human health, since these nuclides can enter the human body via food chain and increase the radiation burden for many years.