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INES-event

Information on earthquake which occurred in Western Québec

A magnitude 5.2 MN (Magnitude Nuttli) earthquake occurred on the morning of 2013/05/17 at 09:43 EDT (13:43:23 UT). The earthquake was felt at the Darlington NPP, Pickering NPP, as well as at the Chalk River Nuclear Laboratories.

No damage has been reported, licensees are confirming their operations have not been affected by the earthquake. As per procedures, licensees are completing a thorough review of station systems.

CNSC staff, both on site and in Ottawa, continue to monitor the event follow-up activities.

Category: Other Canada »

INES-event

Spillage from water pipe in the room with nuclear materials

Due to low temperatures, in February, the spillage from water pipe occurred in the Vinca Institute in the room with the nuclear materials under the Safeguards control. All nuclear materials remained secured at the same place. The water was collected from the floor, sampled and analyzed. During this event there were no exposures of the workers and the public. There is no dicharges to the environment.

Category: Other Serbia Vinča »

INES-event
INES 2

Overexposure of a worker in a lead foundry

In a lead foundry, a foundryman extracted lead by heating from a shielding heads of a radiotherapeutic unit. Before the lead extraction he dismantled the heads not knowing that inside one of them was a radioactive source left. Than he carried out a tube with the source. The tube with the source was left in the room. The following day (10th January) morning, the foundryman continued the work preparing for the lead extraction (for about 2 hours).

Category: Other Czech Republic »

INES-event
INES 1

Start of a fire in decontamination machine of former nuclear manufacturing plant of Bosco Marengo (AL) under decommissioning

On December 22nd 2011 Sogin S.p.A, which operates the former plant Fabbricazioni Nucleari of Bosco Marengo (AL) currently under decommissioning, communicated to ISPRA (Institute for Environmental Protection and Research)-which perform the functions of Nuclear Safety Authority- an anomalous event related to the decontamination machine by \shot blasting\ located inside the plant occurred at 9:25 am local time.

Category: Other Italy »

INES-event
INES 2

Over Exposure to Radiographer

The licensee radiography crew believed they had retracted the source back into the body of the radiography camera. They then approached the pipe. One radiographer noticed that an indicator on the camera suggested the source was actually not fully retracted into the body of the camera. The radiographers' survey meters registered a zero reading; however, one radiographer's digital rate meter was alarming. One of the radiographers turned one crank on the camera, and that is when the source became fully retracted.

Category: Other United States of America »

INES-event
INES 2

Worker Overexposure

A Nuclear Medicine technologist received an overexposure to the extremity dosimeter for March 2011. The extremity dose was reported as 564.4 mSv (56.44 rem). During the month of March, the technologist performed several cell-labeling procedures involving 2,775 MBq, 4,107MBq, and 3,996 MBq (75mCi, 111mCi, and 108mCi respectively) amounts of Y-90. There were also several labeling procedures involving the use of I-131 during the same time frame.

Category: Other United States of America »

INES-event
INES 2

OVEREXPOSURE TO RADIATION WORKER

On January 13, 2011, the licensee received a dosimetry report which stated that one of their employees received a year-to-date exposure of 55 mSv (5.5 rem) which was above the statutory limit of 50 mSv (5 rem). The overexposure was received in December 2010 during the emergency repair of a cyclotron unit over a period of several days. However, the affected employee’s real-time dosimeter indicated a much lesser exposure, calling into question the measurement indicated on the permanent dosimeter.

Category: Other United States of America »

INES-event
INES 1

Lost or stolen sources containing Co-60

During regulatory control carried out on in decommissioned old foundry facility located in LUBLIN (city located near the eastern border of Poland) regulatory inspectors of NAEA discovered lack of 7 lead containers (Type: PrJ20) with Co-60 (non-dangerous source, category 5). The lost or stolen sources contain Co-60 with following activity, on December 7 current year, as follow:
1. 9 MBq
2. 20 MBq
3. 20 MBq
4. 20 MBq
5. 13 MBq
6. 17 MBq
7. 17 MBq
The investigation is being conducted.

Category: Other Poland »

INES-event
INES [N/A]

Information on earthquake which occurred in Eastern Canada.

An earthquake occurred in parts of Southern Ontario and Eastern Québec on the afternoon of June 23, 2010. The earthquake was rated at 5.0 on the Richter Scale and was felt at the Darlington, Pickering and Gentilly-2 nuclear power plants, as well as at the Chalk River Laboratories.

All licensees have confirmed that their operations have not been affected by the earthquake. There is no indication nor anticipation of any impact for the stations. As per procedures, licensees are completing a thorough review of station systems to confirm.

Category: Other Canada »

INES-event
INES 2

Co-60 orphan source discovered in a container of metal scraps in the Genova Port

On July 20th, at the port of Genova Voltri, an elevated gamma rate was detected in corrispondence of a container of metal scraps. Radiometric measures revealed the presence of a Co-60 source, with an hot –spot of gamma dose rate of 600 mSv/h at contact with one wall of the container, about 40 mSv/h at one meter and 100 microSievert/h at 25 meters from the container wall. Moreover, radiometric survey around the container showed that from the other sides of the container the dose rate level was in the range from 20 to 80 microSievert/h.

Category: Other Italy »