Letter

Signed: Wednesday, October 5th, 2011

DOE Letter Providing a Report Dated September 29, 2011, Describing Planned Actions to Address Issues with the System for Analysis of Soil-Structure Interaction (SASSI) Computer Code

From

Richard H. Lagdon, Jr.

Chief of Nuclear Safety, Office of the Under Secretary for Nuclear Security
Department of Energy
1000 Independence Ave., SW
Washington, DC 20585

To

The Honorable Peter S. Winokur

Chairman
Defense Nuclear Facilities Safety Board
625 Indiana Ave., NW
Washington, DC 20004

This Letter Pertains To:

Defense Nuclear Facility	Los Alamos National LaboratoryY-12 National Security Complex / Oak Ridge National Laboratory