Europe: Sweden

▸ Legenda & explanation
date INES title location
07-10-2016INES 2Cyclotron operated with an open bunker doorUniversity Hospital of Umeå
02-01-2002INES 3High radiation levels measured on a package containing Iridium-192Studsvik Nuclear AB
21-09-2017INES 2Contamination event at research facilityStudsvik Nuclear AB
13-08-1996INES 1Water leak into a hot cell at the Studsvik research establishmentStudsvik Nuclear AB
20-09-2004INES 0Event at a Studsvik laboratory producing radioactive sourcesStudsvik Nuclear AB
15-11-1995INES 1DEVIATION FROM TECHNICAL SPECIFICATIONSRINGHALS-4
18-09-1991INES 1ONE FUEL ASSEMBLY TILTED DURING REFUELLINGRINGHALS-4
27-09-1997INES 2Closed valves in the containment spray pumps' suction lines during the non-nuclear phase of start-up after refuelingRINGHALS-4
22-08-1994INES 0ONE CONTROL ROD NOT FULLY INSERTED AFTER SCRAMRINGHALS-4
12-02-1995INES 1NOT FULLY INSERTED CONTROL RODSRINGHALS-3
17-08-1997INES 1Automatic protection system disconnected during non nuclear heat up after refuellingRINGHALS-2
28-05-1995INES 1ROUTINE SURVEILLANCE REVEALS: STEAM GENERATOR SAFETY VALVES OPEN AT HIGHER PRESSURE THAN SPECIFIED AT THE RINGHALS 2. 3 AND 4 PWRSRINGHALS-2
09-04-1995INES 0UNSUCCESSFUL SWITCH OVER FROM 400 KV TO 130 KVRINGHALS-2
03-10-1994INES 2STEAM GENERATOR SAFETY VALVES WERE NOT FUNCTIONING ACCORDING TO SPECIFICATIONSRINGHALS-2
01-07-1997INES 1Two out of four diesel generators unavailable due to loose connection to the voltage regulatorRINGHALS-2
18-04-1994INES 1INCORRECT SAFEGUARD REPORTINGRINGHALS-2
08-12-1992INES 1INCORRECT CONNECTION OF CABLES TO RELAYS IN SAFETY SYSTEMSRINGHALS-2
01-06-1992INES 0REPAIR OF REACTOR PRESSURE VESSEL HEAD PENETRATIONRINGHALS-2
28-05-1991INES 1FUEL ASSEMBLY TILTED OVER DURING CORE LOADINGRINGHALS-2
20-06-2001INES 1Incorrect calculation of an algorithm in overload protection devices for local power distribution at Ringhals 2 NPP.RINGHALS-2
02-03-1993INES 0MINOR LEAKAGE IN A 15 MM PIPE TO A PILOT VALVE IN THE PRESSURE RELIEF SYSTEMRINGHALS-1
28-02-1993INES 0MINOR LEAKAGE IN A 32 MM VALVE BONNET SEALRINGHALS-1
23-01-1993INES 0INSUFFICIENT CONTROL ROD FUNCTION DURING HOT START UP TESTRINGHALS-1
09-07-1994INES 0RELEASE OF IODINE 131 FROM THE TURBINE SYSTEM AT RINGHALS 1RINGHALS-1
17-08-1992INES 0CRACKS IN FEED WATER NOZZLESRINGHALS-1
19-10-1995INES 2OVEREXPOSURE OF A WORKER AT THE RESEARCH REACTOR R2-0 IN STUDSVIK AT UPPSALA UNIVERSITY'S NEUTRON RESEARCH FACILITYR2 STUDSVIK
20-11-1987INES 2CRITICALITY SHUT DOWN MARGIN MEASUREMENT STARTED WITHOUT HYDRAULIC SCRAM SYSTEM BEING OPERABLEOSKARSHAMN-3
25-02-1999INES 0Core instability occurred during maintenance performed in the switchyardOSKARSHAMN-2
01-11-1996INES 2One of the emergency core cooling systems - the core spray system - was unavailable at Oskarshamn-2OSKARSHAMN-2
14-08-1991INES 1DEVIATION FROM OPERATING INSTRUCTIONSOSKARSHAMN-2