Events


Events 11 - 20 of 35 Items per page:
Japan, 13 Apr 2014, INES: n/a

Inappropriate Transfer of Contaminated Water

The Central Waste Building at Fukushima Daiichi NPS has been currently used as a storage facility for contaminated water from the Nuclear Reactor Buildings Unit 1 to 4. On 11 April, 2014, TEPCO found that the level of contaminated water in the Central Waste Building unnaturally fell down although...
Reported by Nuclear Regulation Authority of Japan on 16 Apr 2015. Last update on 16 Apr 2015


Japan, 20 Feb 2014, INES: n/a

Leakage of Contaminated Water from the Upper Part of Tank C-1 in H-6 Tank Area

At 23:25 (Japan time) on 19 February, 2014, TEPCO found that water was leaking from the upper part of Tank C-1 in H-6 Tank Area, which has stored the water that was condensed by RO (reverse osmosis desalination facility) after the treatment by SARRY (cesium removal facility), to the dike...
Reported by Nuclear Regulation Authority of Japan on 16 Apr 2015. Last update on 17 Apr 2015


Japan, 06 Feb 2014, INES: n/a

Leakage of Contaminated Water from a Flange of Water Pressure Measuring instrument

On 6 February,2014, TEPCO found that the water treated by Simplified Active Water Retrieve and Recovery System (SARRY, cesium removal facility) and Reverse Osmosis Desalination Facility (RO) was leaking from the flange of water pressure measuring instrument equipped to the water pipe in which the...
Reported by Nuclear Regulation Authority of Japan on 16 Apr 2015. Last update on 16 Apr 2015


Japan, 09 Oct 2013, INES: n/a

Leakage of Contaminated Water from a Desalination System

Approximately 11 m3 amount of water leakage occurred from a pipe joint of desalination system (reverse osmosis membrane, RO-3) inside the temporary warehouse on 9 October, 2013. The water has retained in the dike installed in the warehouse. The radioactivity concentration of the leakage water...
Reported by Nuclear Regulation Authority of Japan on 16 Apr 2015. Last update on 16 Apr 2015


Japan, 02 Oct 2013, INES: n/a

Leakage of Contaminated Water from the Top Plate of a Tank at B Area (South)

On 2 October, 2013, TEPCO found a water dropping from around the top plate of B area (south) tank (No.5 tank at Group A in B area), in where treated water from the desalination apparatus is stored, at Fukushima Daiichi NPS. The leaked water was not only dropping inside the dike, but also dropping...
Reported by Nuclear Regulation Authority of Japan on 16 Apr 2015. Last update on 17 Apr 2015


Australia, 28 Feb 2014, INES: 3

Overexposure of radiation workers

After an engineer and two operators had completed the logging operation and prepared the rig floor for lifting the logging source, logging tools were brought back to surface. The two radioactive logging sources, Cs-137 and Am241-Be, were unloaded from the logging tools by the engineer. Unknown...
Reported by Australian Radiation Protection and Nuclear Safety Agency of Australia on 01 Apr 2015. Last update on 01 Apr 2015


United States of America, 17 Mar 2015, INES: 2

Overexposure to Radiographer

The Lead Radiographer and three assistant radiographers were completing two exposures lasting 35 seconds each. The set-up time for the exposures was approximately 15 to 18 minutes. After completing two exposures, one individual noticed that his pocket dosimeter read off scale, a second individual...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 23 Mar 2015. Last update on 23 Mar 2015


Poland, 06 Mar 2015, INES: 1

Stolen radioactive sources

On the 6th of March 2015 total of 22 containers with Co-60 category 5 (activity between 40 MBq and 200 MBq on 2015-03-06) radioactive sources were reported stolen from a storehouse in Poznan. On the 10th of April the licensee informed that 7 of the containers previously reported stolen have...
Reported by National Atomic Energy Agency of Poland on 19 Mar 2015. Last update on 13 Apr 2015


France, 02 Aug 2013, INES: 2

Uncontrolled release of radioactive effluents into the public sewerage system

On 2nd August 2013, ASN was informed by the Haut-Lévêque hospital in Pessac that an abnormal level of radioactivity had been discovered in a wastewater drain pipe. Investigations showed that radioactive effluents from the vectorised internal radiotherapy rooms were being discharged directly into...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 16 Feb 2015. Last update on 16 Feb 2015


France, 14 Oct 2014, INES: 2

A practitioner’s regulatory annual exposure dose limit was exceeded

On 14th October 2014, ASN was informed by Bordeaux CHU that the regulatory annual whole-body dose limit of 20 mSv was exceeded by an orthopaedic surgeon while using an interventional radiology device (image intensifier) in the operating theatre. The event came to light when the practitioner’s...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 12 Feb 2015. Last update on 12 Feb 2015


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