Breach of Radiation Control Contamination Barrier

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Type:  Lessons Learned

Publisher:  Thomas Jefferson National Accelerator Facility, Newport News, VA

Published As:  Public


Topics:  Operations, Radiation Protection

On Friday, October 16, 2015, a worker was discovered reaching over a magenta radiation control rope into a contamination area to work on an electrical outlet located just inside the barrier. A Radiation Control technician spotted the activity and immediately stopped the work.

Magenta radiation control rope and postings are used in the absence of doors or other physical barriers to designate the boundaries of a radiologically controlled area. This type of boundary markings equates to an invisible barrier that is not to be cross unless authorized by the Radiation Control Group. Only those individuals who are properly trained, wearing appropriate Personal Protective Equipment, and have read and signed a Radiation Work Permit are allowed access past the barrier.

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