2

INES Levels
INES N/A
INES 0
INES 1
INES 2
INES 3
INES 4
INES 5
INES 6
INES 7

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

During the performance of industrial radiography, the licensee radiographer approached the collimator without his survey meter. The radiographer positioned the collimator in preparation for an exposure shot without first retracting the 3.552 TBq (96 Ci) Se-75 source back inside the camera. Based on the dose assessment from the licensee, the radiographer received an overexposure of 1.76 Sv (176 rem) to each hand. At the time of the reporting of the event, there were no signs of skin reddening on the radiographer’s hands. The U.S. statutory limit for extremity doses is 0.5 Sv (50 rem).

Category: Radiation Source United States of America »

INES-event
INES 2

Overexposure to Radiographer

During the performance of industrial radiography, the licensee radiographer approached the collimator without his survey meter. The radiographer positioned the collimator in preparation for an exposure shot without first retracting the 3.552 TBq (96 Ci) Se-75 source back inside the camera. Based on the dose assessment from the licensee, the radiographer received an overexposure of 1.76 Sv (176 rem) to each hand. At the time of the reporting of the event, there were no signs of skin reddening on the radiographer’s hands. The U.S. statutory limit for extremity doses is 0.5 Sv (50 rem).

Category: Radiation Source United States of America »

INES-event
INES 2

Overexposure to Radiographer

During the performance of industrial radiography, the licensee radiographer approached the collimator without his survey meter. The radiographer positioned the collimator in preparation for an exposure shot without first retracting the 3.552 TBq (96 Ci) Se-75 source back inside the camera. Based on the dose assessment from the licensee, the radiographer received an overexposure of 1.76 Sv (176 rem) to each hand. At the time of the reporting of the event, there were no signs of skin reddening on the radiographer’s hands. The U.S. statutory limit for extremity doses is 0.5 Sv (50 rem).

Category: Radiation Source United States of America »

INES-event
INES 2

Overexposure to Radiographer

During the performance of industrial radiography, the licensee radiographer approached the collimator without his survey meter. The radiographer positioned the collimator in preparation for an exposure shot without first retracting the 3.552 TBq (96 Ci) Se-75 source back inside the camera. Based on the dose assessment from the licensee, the radiographer received an overexposure of 1.76 Sv (176 rem) to each hand. At the time of the reporting of the event, there were no signs of skin reddening on the radiographer’s hands. The U.S. statutory limit for extremity doses is 0.5 Sv (50 rem).

Category: Radiation Source United States of America »

INES-event
INES 2

Overexposure to Radiographer

During the performance of industrial radiography, the licensee radiographer approached the collimator without his survey meter. The radiographer positioned the collimator in preparation for an exposure shot without first retracting the 3.552 TBq (96 Ci) Se-75 source back inside the camera. Based on the dose assessment from the licensee, the radiographer received an overexposure of 1.76 Sv (176 rem) to each hand. At the time of the reporting of the event, there were no signs of skin reddening on the radiographer’s hands. The U.S. statutory limit for extremity doses is 0.5 Sv (50 rem).

Category: Radiation Source United States of America »

INES-event
INES 2

Over Exposure of an Operator From a Puncture Wound During Work in an Active Glovebox

Routine glovebox work was taking place to empty a glovebox sump to clear a level alarm.
The operator's first action used the normal plant methods; no equipment is removed from the sump to do this.
As the alarm did not clear, the operator proceeded to remove and clean the probe, a task that the operator had performed before. The probe as supplied has to be adjusted to the correct length followed by making the item ‘glovebox ready’.
This includes the removal of any sharp edges.

Category: Fuel Reprocessing Sellafield United Kingdom »

INES-event
INES 2

Over Exposure of an Operator From a Puncture Wound During Work in an Active Glovebox

Routine glovebox work was taking place to empty a glovebox sump to clear a level alarm.
The operator's first action used the normal plant methods; no equipment is removed from the sump to do this.
As the alarm did not clear, the operator proceeded to remove and clean the probe, a task that the operator had performed
before.

Category: Fuel Reprocessing United Kingdom »

INES-event
INES 2

Over Exposure of an Operator From a Puncture Wound During Work in an Active Glovebox

Routine glovebox work was taking place to empty a glovebox sump to clear a level alarm.
The operator's first action used the normal plant methods; no equipment is removed from the sump to do this.
As the alarm did not clear, the operator proceeded to remove and clean the probe, a task that the operator had performed
before.

Category: Fuel Reprocessing United Kingdom »

INES-event
INES 2

Over Exposure of an Operator From a Puncture Wound During Work in an Active Glovebox

Routine glovebox work was taking place to empty a glovebox sump to clear a level alarm.
The operator's first action used the normal plant methods; no equipment is removed from the sump to do this.
As the alarm did not clear, the operator proceeded to remove and clean the probe, a task that the operator had performed
before.

Category: Fuel Reprocessing United Kingdom »

INES-event
INES 2

Over Exposure of an Operator From a Puncture Wound During Work in an Active Glovebox

Routine glovebox work was taking place to empty a glovebox sump to clear a level alarm.
The operator's first action used the normal plant methods; no equipment is removed from the sump to do this.
As the alarm did not clear, the operator proceeded to remove and clean the probe, a task that the operator had performed
before.

Category: Fuel Reprocessing United Kingdom »