ML100780541

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Executive Team Daily Brief
ML100780541
Person / Time
Site: Three Mile Island  Constellation icon.png
Issue date: 11/27/2009
From:
Office of Nuclear Reactor Regulation
To:
References
FOIA/PA-2010-0118
Download: ML100780541 (6)


Text

EXECUTIVE TEAM DAILY BRIEF Friday, November 27, 2009

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SUMMARY

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ofncop paste here, print only frbifrrfrne (cutd n d A-OTSG has been transported to mausoleum; B-OTSG removal is in progress. Activities are in progress to move it to the shipping platform for removal from containment.

TMI experienced 4 additional alarms associated with AMS-4s (airborne radiation monitors).

Local work areas were evacuated until the condition was understood and resolved. The containment building was maintained under negative pressure, Details of the 4 additional alarms are as follows:

1) 2219/11/24 - One occurred on top of the B "D' ring 365 ft in Containment. Confirmatory sampling showed no airborne. Low flow alarm.
2) 2325/11/24 - Outside personnel hatch in auxiliary building area. Cause was radon inversion.

3 & 4) 0445/0550/11/25- AMS alarmed (same machine) at B T" ring 281 ft elevation. Sampling FMWPF CA LQý>ONLY

showed no airborne. Cause attributed to lifting of B steam generator resulting in elevated dose rates. No airborne identified.

Workers were briefed about local evacuation situation from last night and the morning. The NRC has confirmed no airborne radiation issues existed; in addition, the NRC is reviewing containment evacuation procedures and policy today.

The licensee has established new protocol to notify NRC and State within 60 minutes of any alarm.

The State was notified of the conditions last night. None of these conditions was the result of airborne radioactivity. (Send update to TRGs for Containment; Jerome Bettle, Emergency Prepardness: Jeffrey Temple, Health Physics; Steven Garry, Human Performance: Michael BoQci, Dose Assessment: Mark Blumberq and Public Affairs; Scott Burnell). Assigned to Mike Brown.

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4) PNO-I-09-006 - THREE MILE ISLAND I - CONTAMINATION EVENT (UPDATE)

Attached to this email. Not yet posted to public webpage)

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