| date | INES | title | location  |
|---|
| 27-03-2026 | [N/A] | A projectile struck the premises of the Bushehr Nuclear Power Plant | BUSHEHR-1, Iran |
| 04-04-2026 | [N/A] | A projectile struck near the premises of the Bushehr Nuclear Power Plant | BUSHEHR-1, Iran |
| 20-04-2015 | INES 2 | Accidential Exposure of Industrial Radiography Worker | Busan, South Korea |
| 23-10-2008 | INES 2 | Unsuitable management of Bakelite plates containing radioactive materials | Bunkyo-city, Tokyo, Japan |
| 31-10-2013 | INES 2 | Exposure of workers performing industrial radiography | building construction site of thermo PP Šoštanj, Slovenia |
| 29-01-1994 | INES 2 | FAILING TO COMPLY WITH THE OPERATING PROCEDURES | BUGEY-5, France |
| 23-09-1991 | INES 2 | DEFECTS IN BUGEY AND FESSENHEIM POWER PLANT REACTOR VESSEL HEADS | BUGEY-2, France |
| 01-12-2017 | INES 2 | Worker Overexposure | Buford Georgia / Theragenics Corporation, United States of America |
| 14-12-2001 | INES 1 | DESTRUCTION OF A PIPING INSIDE CONTAINMENT | BRUNSBUETTEL, Germany |
| 01-11-1992 | INES 1 | INDICATIONS IN AUSTENITIC PIPING DISCOVERED DURING NON-DESTRUCTIVE TESTING | BRUNSBUETTEL, Germany |
| 24-12-2002 | INES 1 | Start-up Instrumentation Impairment | BRUCE-7, Canada |
| 11-06-2002 | INES 0 | Empty Pressure Tube Damaged During Routine Maintenance | BRUCE-6, Canada |
| 14-05-1995 | INES 1 | SPURIOUS OPENING OF REACTOR COOLANT LIQUID RELIEF VALVE | BRUCE-5, Canada |
| 23-01-1990 | INES 2 | REACTOR COOLANT LEAK DURING ON POWER REFUELLING DUE TO FUELLLING MACHINE DROP | BRUCE-4, Canada |
| 05-03-1993 | INES 1 | UNITS DERATED TO 60% REACTOR POWER DUE TO SAFETY ANALYSIS CONCERNS | BRUCE-1, Canada |
| 01-10-2019 | INES 1 | Theft and recovery of a moisture/density gauge | Bratislava-Podunajské Biskupice, Slovakia |
| 15-06-1991 | INES 2 | TEMPERATURE TRANSIENT DURING START-UP | BRADWELL UNIT A, United Kingdom |
| 13-11-1993 | INES 2 | UNCONTROLLED POWER TRANSIENT IN A TEST REACTOR WITH DEGRADATION OF THE TESTED IRRADIATED FUEL NEEDLE | BR2, Belgium |
| 22-12-2011 | INES 1 | Start of a fire in decontamination machine of former nuclear manufacturing plant of Bosco Marengo (AL) under decommissioning | Bosco Marengo (AL), Italy |
| 21-11-1996 | INES 2 | Operation of unit with insufficient containment function | BORSSELE, Netherlands |
| 23-05-2021 | INES 1 | Failure of a defectoscope during industrial radiography test | Borsodchem PLC, Hungary |
| 24-03-2022 | INES 2 | Exposure of radiographer over annual statutory dose limit | BorsodChem Co. Ltd, Hungary |
| 14-10-2014 | INES 2 | A practitioner’s regulatory annual exposure dose limit was exceeded | Bordeaux University Hospital - Pellegrin Hospital, France |
| 02-08-2013 | INES 2 | Uncontrolled release of radioactive effluents into the public sewerage system | Bordeaux university hospital, France |
| 30-06-2015 | INES 2 | Bordeaux University: discovery of radioactive sources and incidental exposure of persons | Bordeaux University, France |
| 13-09-2006 | INES 1 | Stolen Radiographic Exposure Device | Bonded Inspections, United States of America |
| 02-12-2010 | INES 2 | Several mine workers overexposed by X-rays | Boliden Mineral, Gällivare, Sweden |
| 20-06-1995 | INES 0 | REACTOR SCRAM DURING INSPECTION OF GROUND CONNECTION | BOHUNICE-4, Slovakia |
| 15-04-1996 | INES 1 | Penetration of primary coolant and low level contamination of hermetic box | BOHUNICE-4, Slovakia |
| 15-06-2000 | INES 1 | Unplanned exposure of workers | BOHUNICE-4, Slovakia |
