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 
2024-02-22Worker Exceeded Annual Extremity Dose LimitUnited States of AmericaAlton, IL / Alton Steel
2024-01-11Unavailability of Reactor protection system of unit 3Czech RepublicDUKOVANY-3
2023-12-11Worker Exceeded Annual Dose LimitUnited States of AmericaRomeoville, Illinois/ SOFIE
2023-11-15Partial loss of post-trip coolingUnited KingdomTORNESS-2
2023-09-26Worker Exceeded Annual Whole Body Dose LimitUnited States of AmericaOdessa, TX / Pro Inspection Inc.
2023-09-24Worker Exceeded Statuary Annual Whole Body Dose LimitsGermanyMachine Factory, Baden-Württemberg
2023-03-09Stolen Category 2 SourceUnited States of AmericaHouston, TX / Statewide Maintenance Company
2023-03-06Stress corrosion: presence of a deep crack on the safety injection system of reactor 1 of the Penly NPPFrancePENLY-1
2023-02-02External contamination of a worker leading to exceeding of the annual statutory dose limitFranceCATTENOM-3
2022-12-15Worker OverexposureUnited States of AmericaGilroy, California/ SOFIE
2022-12-14Worker Exceeded Annual Whole Body Dose LimitUnited States of AmericaDeer Park, TX / Acuren Inspection Inc.
2022-10-31Exposure of a worker in excess of the statutory dose limitFranceAperam Stainless Steel France
2022-09-30Worker Exceeded Annual Whole Body Dose LimitUnited States of AmericaWaukegan, IL / Vista Medical Center East
2022-07-21Contamination of an employee and the break room in a nuclear medicine departmentFranceSCINTIGARD radiology centre (Nîmes)
2022-05-25Exposure of a worker in excess of the statutory dose limitUnited KingdomSellafield Ltd. UK
2022-05-05Exposure of industrial radiographerBelgiumAntwerp Region
2022-03-24Exposure of radiographer over annual statutory dose limitHungaryBorsodChem Co. Ltd
2022-01-10Higher dose rate in an operating area due to inappropriate positioning of a Co-60 sourceHungaryInstitute of Isotopes Ltd. Budapest
2021-12-08Equivalent dose for extremities (hand) exceeding statuary annual limitsGermanyHospital, North Rhine-Westphalia, Germany
2021-11-23Exposure of workers in excess of statutory annual dose limitsSwedenNorrköping
2021-10-06Worker Exceeded Annual Whole Body Dose LimitUnited States of AmericaPittsburgh, PA / Diamond Technical Services
2021-08-24External contamination of a worker leading to exceeding of the regulatory annual limit for the equivalent dose to the skinFranceCRUAS-2
2021-07-22Automatic trip of both reactors following loss of off-site electric suppliesUnited KingdomHeysham 1 Power Station
2021-07-22Automatic trip of both reactors following loss of off-site electric suppliesUnited KingdomHeysham 1 Power Station
2021-07-20Overexposure of two workersSpainOCA ICP, Madrid
2021-05-19Exposure of a worker over annual statutory dose limitHungaryHungary
2021-03-11Overexposure to WorkerUnited States of AmericaLivingston, Louisiana / EPIC Piping, LLC
2021-01-27Research reactor power detectors outside OL&CBelgiumResearch Reactor BR2 (SCK CEN)
2020-12-11Hands skin exposureUnited KingdomWales, F-18 Radio-pharmacy
2020-12-08Radiation exposure of a hospital employee beyond the statuary annual dose limitGermanyLaboratory for radio-pharmaceutics in Bavaria