INES Levels
INES N/A
INES 0
INES 1
INES 2
INES 3
INES 4
INES 5
INES 6
INES 7

INES 2: Incident

Impact on People and Environment:
  • Exposure of a member of the public in excess of 10 mSv.
  • Exposure of a worker in excess of the statutory annual limits.
Impact on Radiological Barriers and Control:
  • Radiation levels in an operating area of more than 50 mSv/h.
  • Significant contamination within the facility into an area not expected by design.
Impact on Defence-in-Depth:
  • Significant failures in safety ­provisions but with no actual ­consequences.
  • Found highly radioactive sealed orphan source, device or transport package with safety provisions intact.
  • Inadequate packaging of a highly radioactive sealed source.
▸ Legenda & explanation
date title location 
2017-04-23Stolen source in Tlaquepaque, JaliscoMexicoTlaquepaque, Jalisco
2011-07-19Stolen Radiography CameraUnited States of AmericaAcuren Inspections, Inc., Austin, TX
2013-08-13Stolen of a radioactive sourceIranIslamic Republic of, Tabriz, Tabriz University
2019-09-25STOLEN DENSITITY GAUGEMexicoReynosa, Tamaulipas
2023-03-09Stolen Category 2 SourceUnited States of AmericaHouston, TX / Statewide Maintenance Company
1997-08-20Sticking of one control rod during reactor protection actuation after the turbine control system's testHungaryPAKS-3
1996-04-06Sticking of a control rod cluster during reactor scramFranceBELLEVILLE-1
1991-02-09STEAM GENERATOR TUBE BREAKJapanMIHAMA-2
1994-10-03STEAM GENERATOR SAFETY VALVES WERE NOT FUNCTIONING ACCORDING TO SPECIFICATIONSSwedenRINGHALS-2
1990-09-18SPURIOUS ACTUATION OF 2 MAIN SAFETY VALVES OUT OF TWELVELithuaniaIGNALINA-1
1999-04-11Spillage of radioactive materialsUnited KingdomBNFL, Sellafield
1997-02-03Spillage of active liquorUnited KingdomBNFL, Sellafield
2006-03-06Spill of High-Enriched Uranium SolutionUnited States of AmericaWithheld
1994-12-10SMALL LOCA DUE TO REACTOR COOLANT RELIEF VALVE FAILURECanadaPICKERING-2
1995-07-04SKIN EXPOSURE IN EXCESS OF DOSE LIMITUnited KingdomBNFL, Sellafield
1993-01-12SIGNIFICANT SPILLAGE OF PLUTONIUM LADEN SOLVENTUnited KingdomBNFL, Sellafield
1991-11-05SIGNIFICANT CONTAMINATION IN THE CHEMICAL PURIFICATION LABORATORY IN THE CADARACHE RESEARCH CENTERFranceCADARACHE
2009-12-01Shutdown of Cruas unit 4 after heat sink incidentFranceCRUAS-4
1998-05-19SG blow down pipe rupture at Kozloduy NPP unit 1 during refuelling outageBulgariaKOZLODUY-1
2010-12-02Several mine workers overexposed by X-raysSwedenBoliden Mineral, Gällivare
1993-05-18SEEPAGE FROM A WASTE DRUMUnited KingdomBNFL, Sellafield
2002-11-22Safety injection during hot shutdown at Tihange 2 unitBelgiumTIHANGE-2
2001-03-12Risk of recirculation system valves becoming jammed in 5 NPPsFranceBELLEVILLE-1
2017-08-02Risk of loss of heat sink in case of an earthquake - 20 reactors concernedFranceBELLEVILLE-1
2021-01-27Research reactor power detectors outside OL&CBelgiumResearch Reactor BR2 (SCK CEN)
1997-02-02Release of airborne activity into the workplace resulted in a building evacuationUnited KingdomBNFL, Sellafield
1993-07-31REFUELLING GRAB FAILURE AT WYLFAUnited KingdomWYLFA UNIT A
2014-11-16Realizing of maintenance activities without respecting the proceduresBelgiumSterigenics
1999-08-31Reactor trip wth complicationsUnited States of AmericaINDIAN POINT-2
2004-03-10Reactor Trip on steam generator differential temperature high due to loss of power supply to Reactor regulating systemIndiaKAKRAPAR-1