ML100810255

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E-mail from D. Screnci of USNRC to N. Mcnamara of USNRC, Regarding Advanced Notice - News Release: Employees Sent Home After Small Amount of Contamination Found Inside Three Mile Island Reactor Building
ML100810255
Person / Time
Site: Three Mile Island  Constellation icon.png
Issue date: 11/22/2009
From: Diane Screnci
NRC Region 1
To: Mcnamara N
NRC Region 1
References
FOIA/PA-2010-0118
Download: ML100810255 (2)


Text

McNamara, Nancy From: Screnci, Diane Sent: Sunday, November 22, 2009 12:32 AM To: McNamara, Nancy

Subject:

FW: Advanced Notice - News Release: Employees Sent Home After Small Amount of Contamination Found Inside Three Mile Island-Reactor Building Importance: High From: beth.archer@exeloncorp.com [beth.archer@exeloncorp.com]

Sent: Saturday, November 21, 2009 11:23 PM To: Screnci, Diane; Sheehan, Nell Cc: Ralph.DeSantis@exeloncorp.com

Subject:

FW: Advanced Notice - News Release: Employees Sent Home After Small Amount of Contamination Found Inside Three Mile Island Reactor Building FYI FYI -- The following news release will be distributed at 11:30 p.m. EST:

Employees Sent Home After Small Amount of Contamination Found Inside Three Mile Island Reactor Building No threat to public health and safety Londonderry Township, Pa. (Nov. 21, 2009) - About 150 employees working inside the shut-down Three Mile Island Unit I containment building were sent home about 4:00 p.m. EST Saturday after an airborne radiological contamination alarm inside the reactor building sounded.

The unit has been shut down since Oct. 26 for refueling, maintenance and steam generator replacement.

No contamination was found outside of the containment building. Radiological surveys showed that the contamination was confined to surfaces inside the containment building.

The event posed no threat to public health and safety.

A monitor at the temporary opening cut into the containment building wall to allow the new steam generators to be moved inside showed a slight increase in a reading and then returned to normal. Two other monitors displayed normal readings.

"Workers were sent home because work couldn't continue until we clean the area," Exelon Vice President Bill Noll, the senior executive at TMI, said. "We hope to be able to resume activities tomorrow."

Exelon technicians Saturday night were checking employees who had been working in the building at the time for possible unusual radiation exposure. One worker was found to have received ]6.millirem of exposure, and other workers have received contamination of lower levels. The annual occupational dose limit for nuclear workers at Exelon Nuclear plants is 2,000 millirem. No Nuclear Regulatory Commission limits were exceeded for personnel contamination.

Numerous work activities were going on in the building at the time the alarm sounded, and Exelon engineers

are working to determine the cause the incident. The NRC, Pennsylvania Department of Environmental Protection and local elected officials were notified of the event.

  1. 1*

Exelon Corporationis one of the nation's largest electric utilities with approximately $19 billion in annual revenues. The company has one of the industry's largestportfolios of electricity generationcapacity, with a nationwidereach and strongpositions in the Midwest and Mid-Atlantic. Exelon distributeselectricity to approximately5.4 million customers in northern Illinois and southeasternPennsylvaniaand naturalgas to approximately 485,000 customers in the Philadelphiaarea. Exelon is headquarteredin Chicagoand trades on the NYSE under the ticker EXC.

Beth Archer (Rapczynski)

Mid-Atlantic Communications Manager Exelon Nuclear fo) 610-765-5530.,

(b)(6) i

'-"(f b610-765-57-30" Beth.Archcr@ExelonCorp.corn

    • This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. This e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, please notify the sender immediately and permanently delete the original and any copy of this e-mail and any printout. Thank You. *************************************************

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