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 
2011-01-19Reactor trip due to high pressure in the reactor pressure vesselMexicoLAGUNA VERDE-2
2010-03-28Reactor Trip and Safety Injection with Complications from FireUnited States of AmericaH.B. ROBINSON-2
1992-09-21REACTOR SHUTDOWN CAUSED BY AN EMERGENCY PROTECTION SYSTEM ACTUATION FOLLOWED BY NON-COMPLIANCE WITH THE SAFETY LIMITSUkraineSOUTH UKRAINE-1
1998-06-04Reactor discharge due to deterioration of quality of water in the secondary circuit (power reduction)ArmeniaARMENIA-2
1990-02-23REACTOR COOLANT LEAK ON THE WATER CLEANING SYSTEM WHILE CONNECTED TO THE PRIMARY CIRCUITGermanyGreifswald
1990-01-23REACTOR COOLANT LEAK DURING ON POWER REFUELLING DUE TO FUELLLING MACHINE DROPCanadaBRUCE-4
2019-12-31Radon Exposure at Boarding SchoolUnited KingdomKingswood School, Bath
2019-11-15Radioisotope Manufacture Facility – Operator’s hands contaminatedUnited KingdomEngland, F-18 Cyclotron Facility
2006-09-27Radiography OverexposureUnited States of AmericaHumble
2010-09-16Radiography overexposureFinlandInspecta Oy/Kotka
2008-09-29Radiographer Overexposure to ExtremityUnited States of AmericaMetco
2004-12-20Radiographer OverexposureUnited States of AmericaHouston
2005-01-17Radiographer OverexposureUnited States of AmericaPasadena
2005-10-27Radiographer OverexposureUnited States of AmericaPhiladelphia
2005-11-18Radiographer OverexposureUnited States of AmericaSands Springs
2006-02-23Radiographer OverexposureUnited States of AmericaCarson
2006-03-03Radiographer OverexposureUnited States of AmericaNorth Kingston
2006-05-01Radiographer OverexposureUnited States of AmericaTexas Gamma Ray
2008-09-02Radiographer OverexposureUnited States of AmericaArdmore
2013-03-20Radiographer OverexposureUnited States of AmericaTulsa, Oklahoma / Tulsa Gamma Ray
2012-12-31Radiographer OverexposureUnited States of AmericaSeiling, Oklahoma/ Hi-Tech Testing
1992-12-23RADIOACTIVITY RELEASE OUTSIDE LIQUID RADWASTE STORAGE BOUNDARYRussian FederationBELOYARSKY-3(BN-600)
2004-09-27RADIOACTIVE ORPHANED SOURCES OF CS-137Argentinanon nuclear
2009-01-23Radioactive contamination spread from release of ventilation duct condensate at SellafieldUnited KingdomSellafield Ltd, Cumbria
1993-06-16RADIOACTIVE CONTAMINATION OF THE PART OF NPP SITEUkraineZAPOROZHE-1
1996-05-03Radioactive contamination of the fertilizer due to Co-60 source failureRomaniaSOFERT RACAU FACTORY
1994-01-12RADIOACTIVE CONTAMINATION IN AUXILIARY BUILDINGUkraineZAPOROZHE-4
1998-03-14Radiation overexposure of personnel while performing refuellig activitiesRussian FederationBILIBINO UNIT D
2003-09-09Radiation Overexposure of an Industrial RadiographerUnited States of AmericaCharleston
2008-09-11Radiation Overexposure of a WorkerJapanS.H.I.Examination & Inspection Ltd / Ehime prefecture