2

INES Levels
INES N/A
INES 0
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INES 2
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INES 2: Incident

Impact on People and Environment:
  • Exposure of a member of the public in excess of 10 mSv.
  • Exposure of a worker in excess of the statutory annual limits.
Impact on Radiological Barriers and Control:
  • Radiation levels in an operating area of more than 50 mSv/h.
  • Significant contamination within the facility into an area not expected by design.
Impact on Defence-in-Depth:
  • Significant failures in safety ­provisions but with no actual ­consequences.
  • Found highly radioactive sealed orphan source, device or transport package with safety provisions intact.
  • Inadequate packaging of a highly radioactive sealed source.
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INES-event
INES 2

Overexposure to Radiographer

Due to cumulative exposure, a radiographer has received a 74 mSv (7.1 rem) dose through June 2013, which exceeds the statutory limit of 50 mSv (5 rem) for a radiation worker. NRC EN49330.

Category: Radiation Source United States of America »

INES-event
INES 2

Potential exposure of airplane passengers to doses in excess of statutory limits for the public due to a damaged type A package

On 22 November 2012, a type A package containing Cs-137 (54 GBq) triggered a radiation alarm at the Frankfurt airport, Germany. The package originated in Brisbane, Australia and was shipped on a passenger airplane via Dubai. The package examination found that one of the Cs-137 sources (18.5 GBq) transported in the package was found outside its shielded container but within the overpack and another source was lodged between the lid and body of the shielded container. The maximum dose rate on surface of the overpack was measured to be 33 mSv/hr and 0.94 mSv/hr at distance of 1m.

Category: Radiation Source Australia »

INES-event
INES 2

Radiographer Overexposure

The Oklahoma Department of Environmental Quality was informed of an overexposure of a radiographer assistant employed by Western X-ray Services. The dose involved is 51 mSv (5.1 rem). On seven occasions during 2012, the dosimetry vendor had contacted Western X-Ray Services to inform them of the high dosimetry dose readings for the radiographer assistant. The supervising radiographer whom the radiographer assistant had worked with stated that there were no unusual incidents or equipment problems with their QSA Global model 660 exposure device and the Ir-192 sources.

Category: Radiation Source United States of America »

INES-event
INES 2

Exceeding of the maximum regulatory annual effective dose by a practitioner in interventional radiology

On 6th May 2013 ASN, the French nuclear regulatory body (ASN), was informed by the Head of the hospital “Institut Mutualiste Montsouris” (http://www.imm.fr/) that a radiologist performing radio-guided procedures had received an effective dose exceeding the maximum regulatory dose limit of 20 mSv (milliSievert) in twelve consecutive months.

The event was notified after the hospital's senior management received a report from the occupational physician on 29th April 2013 concerning repeated exceedances of the annual effective dose since July 2012 (effective dose of 22 mSv recei

Category: Radiation Source France »

INES-event
INES 2

Irradiation of a worker while handling an Iridium 192 source

A worker of the Applus RTD-CTS company was handling a gamma ray projector containing a source of iridium 192 of 2 TBq while performing a weld inspection within the Esso refinery at Fos-sur-Mer (Bouches-du-Rhône administrative department, South-East of France). The source could not return to its safe shielded position inside the device. It appeared that the operator moved the device by hanging it by its remote control box and then attempted to perform various actions to release the source before implementing the incident procedure.

Category: Radiation Source France »

INES-event
INES 2

loss of a package containing medical radioactive fluorine, during a transport operation in Nimes

On 19 November 2012, at 10.50 am, ASN has been informed by the company IBA about the loss of a transport package of radioactive substances in Nîmes (Gard).

This package, shipped by CIS BIO International, was intended for Nimes University Hospital and contained a radioactive liquid fluorine 18 source for medical use with an activity of about 20 GBq. The office of the Prefect of the Gard département and ASN have published information on their websites to inform the public and specify what to do in the event of the package being found. The package has so far not been found.

Category: Transportation France »

INES-event
INES 2

Overexposure of 4 persons exceeding the statutory annual whole body dose limit for workers (20 mSv)

On 24th April 2013 an Am-241 radiation source (reported activity 3 GBq) was transported for disposal from the Institute of Analytical Chemistry und Radiochemistry at the University of Innsbruck to the Austrian Central Waste Management Facility Nuclear Engineering Seibersdorf (NES). On 2nd May 2013 two workers of NES were contaminated and exposed during opening the transport cask. Also the area for handling the radioactive sources was also contaminated. Cause of the contamination spreading is a leakage of the Am-241 source. Urgent counter measures were taken by NES.

Category: Radiation Source Austria »

INES-event
INES 2

Accidental exposure of a worker exceeding annual regulatory limit to the skin

On 24 April 2103, there has been an accidental exposure of a worker from a contractor of the operator EDF.

At the radiological checkpoint before leaving the controlled zone, a worker has detected radioactive contamination in the neck area.

He was previously performing some scrubbing operations on several materials. These operations are carried out before non destructive tests during the reactor 4 of the Blayais NPP’s outage. This NPP is located in the Gironde administrative department (South-West of France).

Category: Power Reactor France »

INES-event
INES 2

Overexposure of a worker

A laboratory worker was contaminated with I-131 in a radiopharmaceutical company on February 28 2013. The worker was wearing two pairs of gloves and, when changing gloves, had noticed a break in the right inner glove, but not any obvious break in the outer latex glove. Only 3-4 hours later, routine monitoring revealed heavy contamination of the dorsal part of the right hand. Immediate actions to decontaminate the hand were undertaken on site.

Category: Radioisotope Processing/Handling Facility Finland »

INES-event
INES 2

Radiographer Overexposure

The Oklahoma Department of Environmental Quality was informed of an overexposure of a radiographer employed by Tulsa Gamma Ray. The total dose for the year to date involved is 67 mSv (6.7 rem). It is unknown at this time whether the exposure was acute or chronic. More details will be provided as they become available. NRC EN48836.

Category: Radiation Source United States of America »