All materials used during the nuclear reactor operation are potential radioactive wastes. The role of the free release of materials from regulatory control is to reduce the amount of radioactive wastes. The CNCAN allows licensees to release materials according to pre-established criteria which comply with Romanian standards and international recommendations. In this paper, the methodology used ...

This paper presents a new concept for the remote detection of radioactive materials. The concept is based on the detection of electromagnetic signatures in the vicinity of radioactive material and can enable stand-off detection at distances greater than 100 m. Radioactive materials emit gamma rays which ionize the surrounding air. The ionized electrons rapidly attach to oxygen molecules forming...

The choice of a site for high and intermediate level nuclear waste product material disposal in Jordan requires careful consideration of hydrology, hydrogeology, geological materials, seismicity, climate and other geological factors. The purpose of this paper is to explore how these factors in Jordan may affect the ultimate decision on where to site such a facility. Taking these factors into co...

Border monitoring equipment for nuclear and other radioactive materials apply fixed installed, automated “portal monitors” at checkpoints such as road and rail border crossings, airports or seaports, to detect gamma and neutron radiation in order to alert the front line officer about the presence of nuclear and other radioactive materials. Although highly sensitive and reliable systems are avai...

Environmental sources of radioactive materials and their relation to lung doses and lung burdens are described. The approaches used and the problems encountered in estimating lung doses are illustrated. Exposure to radon daughter products is contrasted to exposure to plutonium as particular examples of the hazards associated with radioactive materials of different chemical and physical characte...