ML20234C169
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UNITED STATES 74,'"h 7 ATOMIC ENERGY COMMISSION
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WASHINGTON. D.C. 20545 RIA[ d g
%ne March 23, 1973 P""'*' Docket Nos. 50-254 and.50-265 Mr. Harold G. Mangelsdorf Chairman, Advisory Consnittee on Reactor Safeguards U. S. Atomic Energy Commisstu Washington, D. C.
20545
Dear Mr. Mangelsdorf:
Sixteen (16) copies of the following are transmitted for the Committee's information:
Letter from Commonwealth Edison Company dated March 12, 1973, reporting chlorine residual concentrations in the discharge bay in excess of the limiting conditions for operation in the i
non-radiological technical specifications for Quad-Cities 1 and 2.
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Sincerely, u; o az.,
9 WA Donald J.
ovholt Assistant Director for Operating Reactors Directorate of Licensing
Enclosures:
As stated l
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8707060360 070610 PDR FOIA THOMASB7-40 PDR
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SUFFIB ENT NO. 164 CATEGORY B W
M med-= 1&2 April 30 9 C
SUBJBCT:
1.
COMPLETION OF QC 1 & 2 STARTING TEST PROGRAM
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2.
CALIBRATION OF REACTTR BUI1 DING EKHAUST ACTIVITT HONITRING SYSTEM Notification rer (1) by Licensee letter dated March 21, 1973 WRS DO Re: (2) Licenses concludes 60/40 mix of Xe 133/Ee 135 is more MB realistic for the reactor building vent than assumption of stack isotopic mix (for establishing the set point for auto startup of the SGTS during drywell purging operations).
No ACRS action recommended The enclosed material may be discarded following your review.
(WAB)
SUBJECT:
PROPOSED CHANGE TO INSERVICE SURVEILLn3 REUranggNTS Licensee letter dated April 11, 1973 proposes changing frequency WRS of certain inappetions from "sach year" to "sach refuelling DO outage" with the required total to be completed in a 10-year MB interval. Reasons no refuelling outage is planned for Unit 2 SHB in 1973.
1 No ACRS action recommended The enclosed material should be retdmed, pending receipt of DL response.
(WAB)
SUBJECT:
CHLORINE IN DISCHARGE BAY IN EXCESS OF T.S.
WRS Licensee letter dated March 12, 1973 reports total chlorine at DO 0.41 ppm (T.S. - 0.1 ppm) following increased frequency of g
injection of sodium hypochlorite to control condenser fouling by slime deposits.
Licenses proposes to exceed chlorine 140 e10 percent of the thee.
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during operation.
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No ACRS action recommended I
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The enclosed material may be discarded following your review.
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WABdrns/pg FILE: QUAD C LTIES 1&2 SURNAME >
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