IEER: Energy & Security No. 10 / Science for Democratic Action V7N4: Radioactive Waste Management in Russia and France / Reflections on the NATO Bombing

Table 1: Specifications of Yugoslavian Research Reactors in Belgrade

**Sources**: US Department of Energy, Argonne National Laboratory, International Nuclear Safety Center (http://www.insc.anl.gov); David Albright, "What about Yugoslavia's Nuclear Explosive Material?" ISIS Policy Paper. Institute for Science and International Security (ISIS). April 21, 1999 (http://www.isis-online.org); Judith Miller, "Crisis in the Balkans: Nuclear Security," *New York Times*, p. A12, May 5, 1999.
Type of reactors	one 6.5 MWt Research Reactor one zero-power research reactor
Moderator/Coolant	Heavy Water (D₂O)
Criticality Date	28-Dec-59 (Research Reactor) 29-Apr-58 (Zero-power Reactor)
Current Status	Shutdown in 1984 (Research Reactor) Operating (as of 1997) (Zero-power Reactor)
Fuel	Highly Enriched Uranium (6.5 MWt reactor converted from LEU in 1976)
Enrichment Level	80%
Fuel Source	USSR
Amount of HEU in unirradiated fuel	50 kg
Amount of HEU in slightly irradiated fuel	10 kg
Number of LEU/HEU spent fuel elements	5000
Safeguards	International Atomic Energy Agency

Comments to Outreach Coordinator: ieer@ieer.org
Takoma Park, Maryland, USA

July, 1999