▸ Legenda & explanation
date INES title location
10-04-1991INES 3UNAVAILABILITY OF LOW POWER EMERGENCY PROTECTION (LPEP) DUE TO LOSS OF IONIZATION CHAMBER POWER SUPPLYCHERNOBYL-1, Ukraine
12-04-1991INES 2FIRE IN SWITCHGEAR BUILDINGOLKILUOTO-2, Finland
13-04-1991INES 0HEAVY WATER LEAK FROM INSTRUMENT TUBINGRAJASTHAN-1, India
25-04-1991INES 0FINGERS INJURY WHILE WORKING ON PRIMARY STEAM ISOLATION VALVETARAPUR-2, India
29-04-1991INES 2VIOLATION OF SAFETY REGULATIONS AT A WORKSHOP IN THE FUEL FABRICATION PLANTPIERRELATTE, France
03-05-1991INES 1FAILURE OF FUEL OIL LINE IN RUNNING DG-2KALPAKKAM-2, India
04-05-1991INES 3PERSONNEL OVEREXPOSURE DURING PRECOMMISSIONING OPERATIONS INVOLVING HOT CELLIGNALINA-2, Lithuania
09-05-1991INES 2ISOLATION OF FUEL OIL TO ESSENTIAL GAS TURBINESHINKLEY POINT-B UNIT A, United Kingdom
11-05-1991INES 1UNPLANNED EXPOSURE OF PERSONNEL DURING REFUELLINGKOZLODUY-5, Bulgaria
12-05-1991INES 3RELEASE OF ACTIVE LIQUID FROM STORAGE TANKBOHUNICE-1, Slovakia
16-05-1991INES 2FAILURE OF SAFETY SYSTEM TRAIN WHILE ROUTINE TESTINGKOLA-3, Russian Federation
24-05-1991INES 2UNAVAILABILITY OF REACTOR LEVEL MEASUREMENTBELLEVILLE-2, France
28-05-1991INES 1FUEL ASSEMBLY TILTED OVER DURING CORE LOADINGRINGHALS-2, Sweden
31-05-1991INES 2INCORRECT CALIBRATION OF SHUTDOWN SYSTEM AND TWO REGIONAL OVERPOWER DETECTORSPOINT LEPREAU, Canada
01-06-1991INES 1UNIT SHUTDOWN DUE TO PERSONNEL ERRORS AND DAMAGE TO RCP 6 KV BREAKERKALININ-2, Russian Federation
12-06-1991INES 2PARTIAL INOPERABILITY OF THE REACTOR PROTECTION SYSTEMCATTENOM-4, France
15-06-1991INES 2TEMPERATURE TRANSIENT DURING START-UPBRADWELL UNIT A, United Kingdom
22-06-1991INES 2DEFECTIVE WELDS IN LOW PRESSURE SAFETY INJECTION SYSTEMBELLEVILLE-2, France
01-07-1991INES 2NEW FUEL ASSEMBLY DROPPING WHILE REFUELINGCHERNOBYL-2, Ukraine
05-07-1991[N/A]FIRE IN GAS STORAGEANGRA-1, Brazil
09-07-1991INES 1HIGH ACTIVITY IN TB PITRAJASTHAN-2, India
10-07-1991INES 2INADVERTENT DILUTION OF THE PRIMARY FLUID DURING A COLD SHUTDOWNBELLEVILLE-2, France
10-07-1991INES 3RADIOACTIVE WATER SPILLAGE ON THE PLANT TERRITORY WHILE TRANSPORTING CASK WITH FUEL FRAGMENTS TO THE DRY RADWASTE REPOSITORYBILIBINO GEN, Russian Federation
10-07-1991INES 0UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUXTARAPUR-1, India
15-07-1991INES 1FIRE IN LOW LEVEL RADIOACTIVE WASTE STORAGEKOZLODUY-1, Bulgaria
16-07-1991INES 0UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUXTARAPUR-1, India
18-07-1991INES 1EARTHQUAKE IN CENTRAL EUROPEKOZLODUY-1, Bulgaria
18-07-1991INES 1REACTOR SCRAM AND COOLDOWN BECAUSE OF LEAKAGE IN A PRIMARY CIRCUIT MEASURING SYSTEMPAKS-1, Hungary
22-07-1991INES 1CONTAMINATION OF SOIL ON SITEKOZLODUY-1, Bulgaria
22-07-1991INES 3BREACH OF UNIT LIMITING CONDITIONS FOR OPERATION WHILE PREPARING FOR RESTART AFTER MAINTENANCE DUE TO ECCS AND MSV UNAVAILABILITYSMOLENSK-2, Russian Federation