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United Kingdom,
31 Dec 2018, INES: 2
In September 2018, as part of a regulatory intervention on external corrosion management, the UK nuclear safety regulator (Office for Nuclear Regulation (ONR)) issued a direction for Dungeness B nuclear power station to carry out a review and reassessment of safety addressing the corrosion of...
Reported by
Office for Nuclear Regulation (ONR)
of
United Kingdom
on
17 Jan 2019.
Last update on 17 Jan 2019
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Switzerland,
18 Dec 2018, INES: 1
On 18 December 2018, a Tc-99m generator was reported missing after delivery early in the morning by a nuclear medicine institute in Sion (Switzerland). The generator from the company BE-Imaging (approx. 15cm x 30cm) contains 35.4 GBq Mo-99. An investigation was opened by the police to determine the...
Reported by
Swiss Federal Nuclear Safety Inspectorate - ENSI
of
Switzerland
on
19 Dec 2018.
Last update on 19 Dec 2018
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United Kingdom,
24 Sep 2018, INES: 2
On 24 September 2018 two Americium-241/Beryllium (Am-241/Be) industrial radiography sources, each with an activity of 666GBq, were transiting through Heathrow airport (London). On arrival at Heathrow the sources were rejected for onward airfreight due to the inability to X-ray the contents. The...
Reported by
Office for Nuclear Regulation (ONR)
of
United Kingdom
on
12 Oct 2018.
Last update on 12 Oct 2018
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Finland,
21 Sep 2018, INES: 1
An orphan Am-241 source, which was inadvertently included in scrap metal, was melted on September 21st, 2018 in a Finnish steel factory. The melting of the source was detected by the radiation pulse rate monitoring within the steelworks smelting process.
The activity of melted source can not be...
Reported by
Radiation and Nuclear Safety Authority (STUK)
of
Finland
on
16 Oct 2018.
Last update on 16 Oct 2018
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Finland,
15 Sep 2018, INES: 1
An orphan Am-241 source, which was inadvertently included in scrap metal, was melted on September 15th, 2018 in a Finnish steel factory. The melting of the source was detected by the radiation pulse rate monitoring within the steelworks smelting process.
The activity of melted the source can not...
Reported by
Radiation and Nuclear Safety Authority (STUK)
of
Finland
on
16 Oct 2018.
Last update on 16 Oct 2018
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Finland,
26 Jul 2018, INES: 1
An orphan Am-241 source, which was inadvertently included in scrap metal, was melted on July 26th, 2018 in a Finnish steel factory. The melting of the source was detected by the radiation pulse rate monitoring within the steelworks smelting process.
The activity of the melted source can not be...
Reported by
Radiation and Nuclear Safety Authority (STUK)
of
Finland
on
16 Oct 2018.
Last update on 17 Oct 2018
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Mexico,
06 Jul 2018, INES: 1
On July 8th. 2018, the National Commission for Nuclear Safety and Safeguards was informed that an industrial radiography device was stolen, with an Ir-192 radioactive source inside.
The event occurred on July 6th. 2018, aproximately at 15:00 hours (EST), in Mexico City, when an employee of a...
Reported by
Comision Nacional de Seguridad Nuclear y Salvaguardias
of
Mexico
on
09 Jul 2018.
Last update on 23 Jul 2018
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United States of America,
06 Apr 2018, INES: 2
A radiographer received a whole body dose of 60 mSv (6.0 rem) on or about 4/6/2018. The radiographer was working at a fabrication shop with a radiography camera containing a 3.804 TBq (102.8 Ci) Ir-192 source. The radiographer finished performing radiography exposures in one location then carried...
Reported by
Nuclear Regulatory Commission (NRC)
of
United States of America
on
19 Apr 2018.
Last update on 14 May 2018
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United States of America,
14 Mar 2018, INES: 2
A radiographer trainer received a whole body dose of 58 mSv (5.8 rem) on 3/14/2018. The radiographer assistant received a whole body dose of 46 mSv (4.6 rem). The licensee believes that the radiographers may have received the doses as a result of not fully retracting the 3.3 TBq (88.9 Ci) Ir-192...
Reported by
Nuclear Regulatory Commission (NRC)
of
United States of America
on
29 Mar 2018.
Last update on 29 Mar 2018
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Finland,
14 Mar 2018, INES: 2
An animal keeper was contaminated with I-131 in a veterinary clinic on March 14 2018. The veterinary clinic uses I-131 for feline hyperthyroidism treatments. On the treatment iodine is administrated to the cat as a single injection under the skin. On March 14 2018 five cats were treated with...
Reported by
Radiation and Nuclear Safety Authority (STUK)
of
Finland
on
01 Jun 2018.
Last update on 01 Jun 2018
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Mexico,
08 Feb 2018, INES: 1
On 9 February 2018 at 16:00 UTC a notification via email was received by the Nuclear Safety Commission of Mexico (CNSNS) that a CPN moisture/density gauge, model MC-3-122 containing two radioactive sources of Am241:Be (1.79 GBq, SN 9725NK) and Cs-137 (252 MBq, SN 1162CX) was stolen from the back of...
Reported by
Comision Nacional de Seguridad Nuclear y Salvaguardias
of
Mexico
on
13 Feb 2018.
Last update on 13 Feb 2018
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France,
09 Nov 2017, INES: 2
Surge (expansion) tanks of emergency diesel generators were found corroded.Inadequate maintenance lead to not identify the corrosion and as consequence manage it. Their condition was such that their expected seismic resistance was not ensured.
Both of the two EDGs were concerned on Paluel reactors...
Reported by
Autorité de Sûreté Nucléaire (ASN)
of
France
on
25 Jan 2018.
Last update on 25 Jan 2018
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France,
20 Oct 2017, INES: 2
A radiologist, using a scanner for interventional radiology practices, has been exposed to an equivalent dose for the extremities of more than 500mSv, which is the yearly statutory limit, measured at the end of the first quarter of 2017.
The assessment of the event shows that incorrect...
Reported by
Autorité de Sûreté Nucléaire (ASN)
of
France
on
14 Feb 2018.
Last update on 14 Feb 2018
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Pakistan,
04 Aug 2017, INES: 2
On August 02, 2017, plant was in shutdown state when bonnet gasket of moderator drain tank outlet valve was replaced as per preventive maintenance program. After the maintenance work, moderator drain tank was slowly filled with heavy water on August 04, 2017 while its outlet valve was kept close as...
Reported by
Pakistan Nuclear Regulatory Authority (PNRA)
of
Pakistan
on
23 Feb 2018.
Last update on 23 Feb 2018
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United States of America,
06 May 2015, INES: 2
On 5/6/2015, a worker received an extremity overexposure while conducting radiographic operations at an industrial facility. A radio communication that occurred while the radiographer was relocating the collimator was misunderstood by the radiographer assistant as direction to crank out the 2.59...
Reported by
Nuclear Regulatory Commission (NRC)
of
United States of America
on
31 Jul 2018.
Last update on 31 Jul 2018
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