LD-82-076, Forwards Long-Term Iodine Control in Reactor Containment Bldgs Using C-E Iodine Removal Sys, Per CESSAR SER Confirmatory Item 12.Rept Incorporates 820309 Discussion W/ NRC Re Containment Sampling & Radiolysis of Hydrazine

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Forwards Long-Term Iodine Control in Reactor Containment Bldgs Using C-E Iodine Removal Sys, Per CESSAR SER Confirmatory Item 12.Rept Incorporates 820309 Discussion W/ NRC Re Containment Sampling & Radiolysis of Hydrazine
ML20063A464
Person / Time
Site: 05000470
Issue date: 08/19/1982
From: Scherer A
ABB COMBUSTION ENGINEERING NUCLEAR FUEL (FORMERLY
To: Eisenhut D
Office of Nuclear Reactor Regulation
Shared Package
ML20063A467 List:
References
LD-82-076, LD-82-76, NUDOCS 8208240349
Download: ML20063A464 (1)


Text

  • C-E P:wxr Sy:t:ms , Tef 203/688-1911

. Combushan Enginecong Inc Telex 99297 1000 Prospect thli Road Windsor Connecticut 06095 POWER SYSTEMS Docket No.: STN-50-470F August 19, 1982 LD-82-076 Mr. Darrell G. Eisenhut, Director Division of Licensing U. S. Nuclear Regulatory Commission Washington, D. C. 20555

Subject:

CESSAR SER Confirmatory Item Number 12

Dear Mr. Eisenhut:

Enclosed please find our report responding to Confirmatory Item 12 of the CESSAR SER. This item addresses iodine control in nuclear reactor containment buildings which use the hydrazine spray system. The report contains contain-ment spray operating guidelines and supporting chemical analyses resolving concerns over the effectiveness of the hydrazine system in controlling airborne iodine inside containment.

Combustion Engineering met with the NRC Staf f on March 9,1982 to discuss concerns on long term iodine control. As a result of that meeting, we revised CESSAR interface requirements and analyses on long term hydrazine behavior and submitted them in draft form for comment. Resolution of NRC concerns regarding containment sampling and the radiolysis of hydrazine have been addressed and incorporated in the enclosed package.

Questions concerning this report may be directed to either myself or Mr. G. A.

Davis of my staff at (203)688-1911, Extension 2803.

Very truly yours, COMBUSTION ENGIN ERING, INC.

A. E 5 ierer Director Ob[

Nuclear Licensing AES:ctk Enclosure 8208240349 820819 PDR ADOCK 05000470 E PDR