title: Derived release limits for the greek research reactor site based on a diagnostic atmospheric modeling system for irregular terrain.
abstract: The upper limits for the rate of release of radionuclides into the atmosphere, i.e., the "derived release limits," are calculated for the Greek Research Reactor (GRR-1) in order to determine possible operational schemes compatible with the effective dose limits for the general population. GRR-1 is located at the northwestern foot of Hymettos Mountain and at the eastern border of the urbanized area of Athens basin. Due to the topographic complexity of the region, the meteorological and atmospheric dispersion calculations were based on a numerical modeling system that is especially designed to work over irregular terrains by using a prismatic unstructured grid. The calculation of derived release limits was made using guidelines and methods that conform to the system of dose limits prescribed by the European radiation protection regulations.
authors.affiliation: Nuclear Research Reactor Laboratory, Institute of Nuclear Technology & Radiation Protection, NCSR DEMOKRITOS, Aghia Paraskevi, Greece. Melina@ipta.demokritos.gr
authors.forename: M
authors.initials: M
authors.lastname: Varvayanni
authors.forename: N
authors.initials: N
authors.lastname: Catsaros
authors.forename: M
authors.initials: M
authors.lastname: Antonopoulos-Domis
mesh_terms: D000396:Air Pollutants, Radioactive / Q000032:analysis* / Q000592:standards; D001272:Atmosphere / Q000032:analysis*; D001822:Body Burden; D003198:Computer Simulation; D005062:European Union; D006115:Greece; D017408:Guidelines as Topic; D008954:Models, Biological; D009688:Nuclear Reactors / Q000592:standards; D011829:Radiation Dosage; D011834:Radiation Monitoring / Q000379:methods* / Q000592:standards; D011835:Radiation Protection / Q000379:methods*; D011868:Radioisotopes / Q000032:analysis*; D012016:Reference Values; D012062:Relative Biological Effectiveness; D018570:Risk Assessment / Q000379:methods* / Q000592:standards; D014887:Weather
chemical_list: D000396:Air Pollutants, Radioactive; D011868:Radioisotopes