Letter

Signed: Wednesday, September 15th, 2010

Requesting Appearance to Present Insights Related to Pulse Jet Mixing Concerns at the Public Meeting and Hearing on October 7-8, 2010

From

Dr. Peter S. Winokur

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

To

Dr. Arthur W. Etchells III

The DuPont Company; DuPont Engineering Technology
315 South 6th St.
Philadelphia, PA 19106

This Letter Pertains To:

Defense Nuclear Facility	Hanford
Recommendation	2010-2 - Pulse Jet Mixing at the Waste Treatment and Immobilization Plant
Public Hearing	Hanford Waste Treatment and Immobilization Plant (WTP)