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E-M:/ Palisades Special Inspection
- Subject: E-M:/ Palisades Special Inspection
- From: Kay Cumbow <firstname.lastname@example.org>
- Date: Thu, 20 Apr 2006 13:31:05 -0400
- Delivered-to: email@example.com
- Delivered-to: firstname.lastname@example.org
- List-name: Enviro-Mich
- Reply-to: Kay Cumbow <email@example.com>
U.S. NUCLEAR REGULATORY COMMISSION
Office of Public Affairs, Region III
801 Warrenville Road, Lisle IL 60532
No. III-06-018 April 20, 2006
CONTACT: Jan Strasma (630) 829-9663
Viktoria Mitlyng (630) 829-9662 E-mail:
The Nuclear Regulatory Commission has initiated a special inspection at
the Palisades Nuclear Power Station where several plant workers received
unintended radiation exposures early Wednesday when a storage container
holding irradiated equipment briefly rose to the surface of the
water-filled refueling area at the plant.
The plant, operated by Nuclear Management Co. at Covert, Mich., is shut
down for refueling.
About six workers were manipulating a two-part storage container
underwater in the refueling area when an inner portion of the container,
apparently buoyed by air inside, rose briefly to the surface. The workers
were exposed to the radiation emitted from the highly radioactive
equipment inside the container.
According to radiation detectors, worn by the workers, the maximum
radiation exposure was less than 50 millirems which is a small portion of
the 5,000 millirem annual federal limit for radiation workers. No adverse
health effects would be expected from such radiation exposures, and no
medical treatment was necessary.
The NRC inspectors will review the circumstances surrounding the
incident, including why air remained trapped inside the container and
what actions the workers were performing at the time of the incident. The
inspectors will also make an independent assessment of the radiation
exposures received by the workers.
The workers were preparing to open the shielded container under water
when the incident occurred. The container held neutron detectors which
were previously installed in the reactor. The neutron detectors in the
reactor core are periodically replaced and stored prior to being sent
offsite to a radioactive waste disposal site.
The special inspection team will issue its report about 30 days after the
completion of the inspection. The report will be available from the
Region III Office of Public Affairs or in the agency?s online document