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1-I UNITED STATES
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ATOMIC ENERGY COMMISSION 5,
Js WASHINGTON D.C. 20545 C E A,ta
%,n e May 7, 1973 ll 18 D,~1.et No. 50-265 i LOMM.
a,'dfln,'O $jiiSiIEE ON lip 3AFE3UAR03 Mr. Harold G. Mangelsdorf Chairman, Advisory Comittee on Reactor Safeguards U. S. Atomic Energy Commission Washington, D. C.
20545
Dear Mr.'Mangelsdorf:
Sixteen (16) copies of the following are transmitted for the Committee's information:
TWX from Commonwealth Edison Company dated April 17, 1973, reporting that during a local leak rate test the measured leakage exceeded the Quad-Cities Unit 2 Technical Specifi-cations limit.
TWX from Commonwealth Edison Company dated April 24, 1973, reporting that during routine surveillance calibration a switch was found to have drifted beyond the Quad-Cities t
Unit 2 Technical Specifications limit.
Sincerely, t
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p,yf/lholth" Donald J.
ov Assistant Director for Operating Reactors Directorate of Licensing
Enclosures:
As stated f f. ? m r op (
Category "B"
- sou 8707060338 870610 PDR FOIA THOMASB7-40 PDR i
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1 OFFICIAL Bf( 5llUJ, 8UPF12 MENT NO.165 CATIOORY B N,. J y ' pp' May29,197)(,0%c'M I
43 Quad Cite== Unit 2
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SUBJECT:
PRESSURE SWITCH SET POINT DRIFT DO Commonwealth Edison Co.1WX dated April 24, 1973 reporta that one
'WRS reactor water level low low level switch drifted out of calibration.
No ACRS action is recommended.
The enclosed material may be discarded after your review.
(JCM)
SUBJECT:
F.XCESSIVE LOCAL LEAKAGE DO Commonwealth Edison Co. WX dated April 17, 1973 reports excessive combined leakage from four valves. Maintenance is being performed ACRS and a new leak rate measurement will3be made.
No ACRS action is recommended.
The enclosed material may be discarded after your review.
(JCM)
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SUPPLEMENI NO 165 CATEGORY B REPORT 1
Several Reactors HOM By identical letters dated April 13, 1973 and April 24, 1973, DL i
CPS requested supplemental information on radiation' exposure to plant SHB personnel since the issuance of the facility license.
A breakdown I
WRS according to duty function is requested.
WK DO No ACRS action is recommended.
EAM discarded after your review.
The enclosed material may be Big Rock Point Monticello Conn. Yankee Nine Mile Point 1, 2
'Dresden 1, 2, 3 Oyster Creek Ginna Palisades Humboft Bay
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Millstone 1 Robinson
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