ML19344F083
| ML19344F083 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 09/05/1980 |
| From: | Cross J TENNESSEE VALLEY AUTHORITY |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8009120389 | |
| Download: ML19344F083 (1) | |
Text
'
-TENNESSEE-VALLEY AUTHORITY CHATTANOOGA. TENNESSEF 374o1 500A Chestnut Street Tower II
. September 5, 1980 D**D
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Director of Nuclear Reactor T:egulation Attention:
Mr. A. Schwencer, Chief Licensing Branch No. 2 Division of Licensing U.S. Nuclear Regulatory Comission -
Was!ington, DC 20555 Doar Mr. Schwencer In. the Matter of the ' Application of
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Docket No. 50-327 Tennessee Valley Aur,hority
)
As requested by V. Noonan, Assistant Director for Materials and Qualifica-tions Engineering, we are providing information on the polyurethane foam 1.isulation in the Sequoyah Nuc1 car Plant unit 1 ice condenser.
We consider the following information to be generally applicable to polyurethano foam (without fire retardant).
Auto ignition temperaturc is about 1000 degrees Fahrenheit.
Ignition temperature is 400 to 500 degrees Fahrenheit.
Decomposition starts at approximately 300 degrees Fahrenheit.
.The major decomposition products are CO, CO, and N0
- 2 2
Very truly yours, TENNESSEE VALLEY AUTEORITY ff%
J. L. Cross Executive Assistant to the Hanager of Power dsubscrpi.1beforeme Sworn to this { day of #
.1980
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