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Event Report Forms (ERFs) are filed to the IAEA. Sometimes there are multiple event reports, updating the rating, the event description. Here you only see the latest event report

ERF send date: Wed, 06-01-1993
ERF description: The event occurred at Kozloduy Npp - Unit 2, on 2 January 1993. Unit 2 was operated at 60 % rated power. A small steam laek from the main flange of the primary coolant pump no. 4 was discovered. The beta gas specific activity measured in the pump room was 0.5E-9 Ci/l. In accordance with the regulatory body special regime for operation of units with VVER-440/230 reactors, Unit no. 2 was shut down for repair of the primary coolant pump no. 4 main flange. No increase of the radioactive release from the plant's stack was detected.

Level 1 was justified according to the INES user's manual - small leak through the reactor coolant boundary exceeding Technical Specifications.
ERF rating date: 05-01-1993
ERF contact person: Mr. T. Gantchev
ERF address: 69 Shipcyenski Prokhod, Bulgaria
ERF affiliation: Inspect. for Safe Use of Atomic Energy, Committee on the Use of Atomic Energy, for Peaceful Purposes

This map shows a selection of reports from nuclear and radiological incidents stored in the IAEA NEWS-database.
Locations are estimates. Contact us if a location is wrong.
The map shows a maximum of 100 incidents. If hundred incidents or more are within the map, the yellow perimeter indicates from where events are excluded. Drag or zoom the map to explore different areas.

Power Reactor Research Reactor Radwaste Facility Enrichment Facility Radiation Source Irradiation/Accelerator Facility Transportation

Fuel Fabrication Fuel Reprocessing Research Facility Mining/Milling Radioisotope Processing/Handling Facility Other