| date | INES | title  | location |
|---|
| 18-09-1990 | INES 2 | SPURIOUS ACTUATION OF 2 MAIN SAFETY VALVES OUT OF TWELVE | IGNALINA-1, Lithuania |
| 07-07-2008 | INES 1 | Spillage of uranium-bearing effluents into the environment at the SOCATRI nuclear facility (Saint-Paul-Trois-Châteaux (Drôme), France) | SOCATRI Bollène (Vaucluse), France |
| 11-04-1999 | INES 2 | Spillage of radioactive materials | BNFL, Sellafield, United Kingdom |
| 03-02-1997 | INES 2 | Spillage of active liquor | BNFL, Sellafield, United Kingdom |
| 20-02-2012 | [n/a] | Spillage from water pipe in the room with nuclear materials | Institute for Nuclear Sciences Vinca, Serbia |
| 06-03-2006 | INES 2 | Spill of High-Enriched Uranium Solution | Withheld, United States of America |
| 21-08-1992 | INES 1 | SOIL CONTAMINATION WHILE PUMPING OUT RAIN WATER FROM TAPS-TRAP TRANSFER LINE INSPECTION PIT | TARAPUR-1, India |
| 21-05-2008 | [N/A] | Small traces of explosives found in a security checkpoint near a NPP | OSKARSHAMN-2, Sweden |
| 02-01-1993 | INES 1 | SMALL STEAM LEAK FROM THE MAIN FLANGE OF THE PRIMARY COOLANT PUMP NO. 4 | KOZLODUY-2, Bulgaria |
| 14-09-1991 | INES 1 | SMALL STEAM LEAK FROM THE MAIN FALNGE OF THE PRIMARY COOLANT PUMP NO. 6 | KOZLODUY-4, Bulgaria |
| 09-11-1997 | INES 0 | Small short-term fire in the switchboard in the NPP Dukovany | DUKOVANY-1, Czech Republic |
| 28-07-1998 | INES 0 | Small short-term fire in the electric rectifier in the NPP Dukovany | DUKOVANY-1, Czech Republic |
| 09-07-1995 | [N/A] | SMALL SCALE FIRE IN THE SWITCHGEAR FOR THE SECONDARY CIRCUIT DURING SHUTDOWN | DUKOVANY-1, Czech Republic |
| 13-12-1995 | INES 0 | SMALL RADIOACTIVITY RELEASE | KRSKO, Slovenia |
| 10-12-1994 | INES 2 | SMALL LOCA DUE TO REACTOR COOLANT RELIEF VALVE FAILURE | PICKERING-2, Canada |
| 23-02-1995 | INES 0 | SMALL LEAKAGE OF PRIMARY COOLANT AT NPP BIBLIS, UNIT B | BIBLIS-B, Germany |
| 06-06-2004 | INES 1 | Small leakage from Residual Heat Removal System. | TEMELIN-2, Czech Republic |
| 15-05-1996 | INES 1 | Small leak of radioactive water from auxiliary building no. 2 | KOZLODUY-3, Bulgaria |
| 11-11-1996 | INES 0 | Small leak in one steam generator | KOZLODUY-6, Bulgaria |
| 22-09-1992 | INES 1 | SMALL FIRES CAUSED BY SHORT-CIRCUIT | KOZLODUY-5, Bulgaria |
| 20-05-1997 | [N/A] | Small fire in the research reactor LR-O building in Rez | NUCLEAR RESEARCH INST., Czech Republic |
| 17-01-1997 | INES 1 | Slow insertion of control rods | ALMARAZ-2, Spain |
| 26-07-1997 | INES 1 | Slightly increased radioactivity release outside the reactor while preparing for removal of leaky fuel assembly | MIR-M1, RU-0013, Russian Federation |
| 30-06-1996 | INES 0 | Slight contamination of potable water due to damage in an auxiliary heat exchanger of the main condenser circuit | EMBALSE, Argentina |
| 11-08-1994 | INES 0 | SLIGHT CONTAMINATION AT THE NUCLAR ELECTRICITY PRODUCTION CENTRE OF DAMPIERRE | DAMPIERRE-1, France |
| 04-07-1995 | INES 2 | SKIN EXPOSURE IN EXCESS OF DOSE LIMIT | BNFL, Sellafield, United Kingdom |
| 16-02-2002 | INES 1 | Site contamination at Khmelnitsky NPP | KHMELNITSKI-1, Ukraine |
| 14-07-1994 | INES 1 | SIMULTANEOUS INOPERABILITY OF TWO HIGH-PRESSURE ECCS PUMPS | PAKS-4, Hungary |
| 12-01-1993 | INES 2 | SIGNIFICANT SPILLAGE OF PLUTONIUM LADEN SOLVENT | BNFL, Sellafield, United Kingdom |
| 05-11-1991 | INES 2 | SIGNIFICANT CONTAMINATION IN THE CHEMICAL PURIFICATION LABORATORY IN THE CADARACHE RESEARCH CENTER | CADARACHE, France |
