INES Levels

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 
2017-09-21Contamination event at research facilityStudsvik Nuclear AB
2017-08-18Insufficient seismic resistance of a part of the canal embankment along the Tricastin NPPTRICASTIN-1
2017-08-02Risk of loss of heat sink in case of an earthquake - 20 reactors concernedBELLEVILLE-1
2017-07-25Exposure of airplane passengers due to inadequate use of type B transport packageNTP Europe
2017-07-21Worker OverexposureJacksonville, Florida / Triad Isotopes Inc.
2017-07-04Uranium accumulation in a glove box air purification systemLynchburg, Virginia / BWX Technologies, INC.
2017-06-20Emergency diesel generators auxiliary systems not compliant with seismic requirements on the 1300 MW reactors (8 sites - 20 reactors)BELLEVILLE-1
2017-06-06Exposure of Workers at Plutonium Fuel Research FacilityOarai Research and Development Center
2017-05-15Overexposure to RadiographerWisconsin Rapids, Wisconsin/ACUREN INSPECTION, INC
2017-04-28Overexposure to RadiographerHouston, Texas / Versa Integrity
2017-04-23Stolen source in Tlaquepaque, JaliscoTlaquepaque, Jalisco
2017-02-05Over Exposure of an Operator From a Puncture Wound During Work in an Active GloveboxSellafield
2017-01-08Personal Contamination at Reprocessing PlantSellafield
2016-12-12Inadvertent damage of a Se-75 sourceDüsseldorf region
2016-11-06Transport of package containing a radioactive source from Kenya to South AfricaFrom Kenya to South Africa
2016-10-19Overexposure of a member of the publicSakarya province
2016-10-19Overdose to Nuclear PharmacistPortland, Oregon/Petnet Solutions
2016-10-07Cyclotron operated with an open bunker doorUniversity Hospital of Umeå
2016-08-24Overexposure to RadiographerMistras Group/Deer Park Texas
2016-08-15Electronic Personal Dosimeter went into Alarm during X-ray Radiography OperationsSellafield
2016-07-13Excessive Deposits of Material Containing Uranium In ScrubberHopkins, SC, USA/Westinghouse Fuel Fabrication Fac
2016-05-11Overexposure to RadiographerDeer Park Texas/Mistras Group, Inc.
2016-01-27Worker OverexposureTampa, Florida / Cardinal Health
2015-11-11Overexposure to RadiographerPecos, Texas/Nondestructive and Visual Inspection,
2015-08-20Overexposure to Radiation WorkerIdaho Falls, ID/ International Isotopes, Inc.
2015-08-18Irradiation of a worker during scheduled NNP outage at Le BlayaisBLAYAIS-4
2015-06-30Bordeaux University: discovery of radioactive sources and incidental exposure of personsBordeaux University
2015-03-17Overexposure to RadiographerAlabaster, Alabama/Vital Inspection Professionals
2015-03-02Transport incident of a gamma ray projectorSt Pol-sur-Mer (59) and Courcelles-les-Lens (62)
2015-02-27Overexposure to Nuclear Medicine TechnologistPhoenix, AZ / Baptist Hospital and Medical Center