ML12041A458

E-mail from J. Thorp, NRR to R. Sigmon, NRR INES for Earthquake

ML12041A458
Person / Time
Site:	North Anna
Issue date:	08/24/2011
From:	Thorp J Office of Nuclear Reactor Regulation
To:	Rebecca Sigmon Office of Nuclear Reactor Regulation
References
FOIA/PA-2011-0357
Download: ML12041A458 (1)

Text

21-Sigmon, Rebecca From: Thorp, John NU Sent: Wednesday, August 24, 2011 10:10 AM To: Sigmon, Rebecca

Subject:

RE: INES for earthquake Great note!

Fro m: Sigmmon, REbecca ... . .

Sent: Wednesday, August 24, 2011 10:07 AM To: Jones, Cynthia Cc: Garmon, David; Thorp, John

Subject:

INES for earthquake

Cyndi, Just a heads up that we're putting together an ERF (Level 0) for the earthquake, along the lines of what Canada submitted last June. Dave Garmon's working to put it together and to get any licensee input. We're running the concept through NRR management right now. There was a question raised this morning, that since the Commission hasn't voted on the change to the policy yet, if we're within the scope of the current guidance. John's gotten at least one email this morning from an international contact he works with, and I'm guessing that you may have had a couple requests also? If so we feel that this could fall within the current scope of MD 5.12. Given the proximity of North Anna to the epicenter and the parallels to the Fukushima event, we think putting out the rating could actually be effective at establishing the lack of safety significance in this event.

Rebecca Sigmon Reactor Systems Engineer NRR/DIRS/IOEB Operating Experience Branch (301) 415-4018 Rebecca. Siqmon(anrc.gov 21ý-