ML19351F786
| ML19351F786 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 01/30/1981 |
| From: | Rausch T COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| TASK-1.A.1.3, TASK-TM IEB-80-24, NUDOCS 8102200167 | |
| Download: ML19351F786 (2) | |
Text
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Comm:nw;::lth Edison One First National Plaza. Chictgo, Illinois it
- Address Reply to: Post Office Box 767 Chicago, filinois 60690 January 30, 1981 kj/ RN Mr. James G.
Keppler, Director N
q Directorate of Inspection and Enforcement - Region III i1_ ~
'4 U.S. Nuclear Regulatory Commission
(
6(LULi U
FEB 05 gy
- 3 799 Roosevelt Road Glen Ellyn, IL 60137 n
g va.QMEm Subj e ct :
Zion Statirin Units 1 and 2 Supplemental Response to be f
li '
IE Bulletin 80-24 " Prevention m
g of Damage Due to Water Leakage Inside Containment NRC Do cket Nos. 50-295/304 References (a):
J.
G.
Keppler letter to C. Reed dated November 21, 1980 (b):
T.
J. Rausch letter ia J. G. Keppler dated January 5, 198.1
Dear Mr. Keppler:
Reference (b) transmitted the Commonwealth Edison Company response to IE Bulletin 80-24 for Dresden, Quad Cities, and Zion Stations.
As discussed in a January 22, 1981 telephone conversation with a member of your staf f, we have enclosed the requested supplemental information for Zion Station.
Please address any questions you may have concerning this matter to this of fice.
Very truly yours,
$&,$M Thomas J. Raus ch Nuclear Licensing Administrator Special Projects En clo sure cc:.. 11 Inspector - Zion 810 220 0 \\6~1 g
FEB V 2 mar 02148
ENCLOSURE Commonwealth Edison Company Supplemental Response to IE Bulletin 80-24 Zion Units 1 and 2 Item 1.b. Typical chemical content of service water source (Lake Michigan):
pH 8.4 Alkilinf.ty 1.0 ppm Free CO2 0
Dissolved 02 9.3 ppm Silica 2.6 ppm Metal Oxides 1.3 ppm Sulfates 27.6 ppm Phosphates 0.04 ppm Cal cium 38.0 ppm Magnesium 9-12 ppm Potassium 1.4 ppm Sodium 4.2 ppm Conductivity 254 umhos Chlorides 9.0 ppm Item 1.h.
Instrumentation in place which may detect leakage:
Radiation Manitors, total of 5 as follows:
- 11 Containment Ventilation Air Particle Monitor
- 12 Containment Ventilation Radio-gas Monitor
- 12A Reactor Leak Detector Gas Monitor
- 01 Area monitor by Seal Table
- 02 Area monitor by Pressurizer Relief Tank l
Three (3) Humidity Dete cto::s, in 3 dif ferent f an cooler l
du ct s.
Four (4) Pressure Detectors Three (3) at the 592' containment penetration One (1) below the grating of the 592' penetration l
l l
,