Overexposure to Radiation Worker

Print View Posted on: 30 July 2012

Event Date: 30 September 2011 Event Type: Irradiation/Accelerator Facility
Event Location: United States of America, Wichita, Kansas/ PFI, LLC INES Rating: 2 (Final)

One of the licensee's cyclotron operators received an extremity acute overexposure of 530 mSv (53.01 rem) to the right finger during the month of September as a result of cyclotron operations. The acute exposure brought the individual's total extremity exposure to 690 mSv (69 rem) for the year. The Regulatory Authority for this cyclotron, the State of Kansas, is continuing their investigation of the incident.

The final calculated dose to the fingers of the worker's right hand was determined to be 764 mSv (76.4 rem) for the year 2011.

INES Rating: 2 - Incident (Final) as per 20 June 2012
Release beyond authorized limits? No
Overexposure of a member of the public? No
Overexposure of a worker? Yes
Contamination spread within the facility? No
Damage to radiological barriers (incl. fuel damage) within the facility? No
Degradation of Defence In-Depth No
Person injured physically or casualty? No
Is there a continuing problem? No

Dr. Cynthia Jones
Nuclear Regulatory Commission (NRC)
Cynthia.Jones@nrc.gov
http://www.nrc.gov
Other Posts on this Event
Site Sponsors
Site Sponsors: IAEA, NEA and WANO
This site is hosted by the International Atomic Energy Agency (IAEA) and co-sponsored by the Nuclear Energy Agency of the Organization of Economic Cooperation Development (OECD/NEA) and World Association of Nuclear Operators (WANO).
Disclaimer
This site is hosted by the IAEA, however, event reports are filed and updated by authorities in participating countries, which remain responsible for all related content. Read more >