[DOE LETTERHEAD]
February 2, 2006
The Honorable A.
J. Eggenberger
Chairman
Defense Nuclear Facilities
Safety Board
625 Indiana Avenue, NW, Suite
700
Washington, D.C. 20004-2901
Dear Mr. Chairman:
The Department of Energy’s (DOE)
Implementation Plan (IP) for Defense Nuclear Facilities Safety Board (DNFSB)
Recommendation 2004-2, Active
Confinement Systems, requires
DOE to develop a methodology and issue guidance for systematically reviewing and
assessing the confinement ventilation systems for many of its defense nuclear facilities.
This guidance is deliverable 8.5.4, Safety Related
Ventilation System Evaluation Guidance and deliverable 8.7,
Non Safety Related Ventilation System Evaluation Guidance. These
deliverables were due December 16, 2005 and December 15, 2005, respectively. By letter to you dated December 15, 2005, DOE
indicated that the deliverables would be combined into one document and be
provided by January 31, 2006. Enclosed
is that guidance document, Ventilation
System Evaluation Guidance for Safety-Related and Non-Safety-Related Systems.
We appreciate the involvement
and input provided by your staff. If you
or your staff have any questions, please contact me at
301-903-0104.
Sincerely,
Richard Black
Director
Office of Nuclear and Facility
Safety
cc: M. Whitaker, DR-1
J.
Shaw, EH-1
J.
McConnell, NA-2
C.
Lagdon, US/ESE
D.
Chung, EM-3.2