ML18219D508
| ML18219D508 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 08/01/1977 |
| From: | Shaller D Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co) |
| To: | James Keppler NRC/IE, NRC/RGN-III |
| References | |
| LER 1977-004-00 | |
| Download: ML18219D508 (6) | |
Text
U.S. NUCLEAR REGULATORY CO SION NRC FORM 1a~s I2-76 I
.. NRC DISTRIBUTION FOR PART50 DOCKET MATERIAL DOCKET NUMBER FILE NUMBERgQP/+0 PO TO:
Mr. J.
G Keppler FROM:
Indiana 8 Michigan Power Company Bridgman,,Michigan D. V, Shaller t.
DATE OF DOCUMENT DATE ECE IVE D
~ 4'-. 7 BETTE R ORIGINAL CI COP Y DESCRIPTION CINOTORIZED GC/NC LASSIF I E D PROP INPUT FORM ENCLOSURE NUMBER OF COPIES. RECEIVED Licensee Event Report (RO 50-315/77-04) on 7/27/77 concerning chlorine residuals taken of the condenser outlet showing analytical results greater than 0'0ppm as specified by Appendix B tech specs
~ ~ ~ ~ ~
1
< p(:
g,.
Iq,c PLANT NAVE:
Cook Unit No.
1 RJL 8/24/77 (2-P)
NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J.
COLLINS FOR ACTION/INFORMATION INTERNALDISTRIBUTION LITO EXTERNALDISTRIBUTION CONTROL NUMBER ACRS 16 SENT AS AT B
~
rp~y 6a86 p
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&j Pkmemon y t NDIANA8 MICHIGANPOKER COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 papular<
Augcui 1, 1977 Opefmti.ng Lienee VPR-58 Bock& < 50-915 AEO 915/77-04
~. J.
G. KeppLM, RegionaL 'Omeetoa 0(gee o$ Impmtiori and Enfoaceme&
U. S. Nucl~ ReguLatotiy CommQ ek on Region III 799 RooaeveLt Road Glen ELLyn, ILEin5 b0137
'O~ A,. Kepplm:
Thee ceps ~ sub~ed ae ceq~ed by Appendix 8 TechnicaL
Speci.gcatioru, Section 5.4.2.1i n ceZation Co Ae abnoenaL env~onmentaL oceutucence aepoMed on JuLy 27, 1977.
Chloral,ne auiduaLe Wken o$ Ae eonderum outLet showed analytical cults gaea'an 0.10 ppm ae hpmiged by Appendix 8 Technical Speei g,c~on
- 2. 2.
1. 2.
The. eLtcc~ng wats chlorination system has been wed once pn day foe aevercaL weefu in Ae manuaL chlorination mode..
Thtcoughoat ~ ~e pe@.od, chloe,nation hae been steady at 0.04 ppm chloe.ne j1asiduaL oe Lua.
On July 27, 1977, &e technician anaLyn.ng We condense outLet foe chloe.ne auiduaL jieeojcded 0.12 and 0.10 ppm chloe.ne aehk duaL foe We Lime 0905 and 0910, aupe~vely.
Immediate invuWgation at Ae chlorine home showed Mat Ae feed ~e o$ chloe.ne W Ae ehlomnatocin service wm in )act mme Sion double ~ no~aL vaLue.
The, probable c~e Joe ~
incident mu Ae )act~ <epact woj1,k had been und~keni n Ae chlorine houee on oem chlorination equipment'nd Ae feed
~e eo~oLLW eu accidently adjtuCed.
The, chloe.nato< in advice hue been changed and Ae feed jcate adjtvCed back Co ~
ojuginaL a~ng.
ALL subsequent chLomnatione have. <emained weLL ~hin hpeed.g.cation.
p t
Irl
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(
Auguek 1, 1977 h4,. J.
G. KeppLM Page.
Tivo E
'I Ae Ae ~nN.rated mask duaL em only,hligktCy above speci.g.~on foe a 6me,( p~od o$ ~e,, MLs (erat ~'o advene.
envmon-me,etaL ~pa& eiLL occam,.
Very Wu@ youtu,
'D.
V..ShaLLeft.
PLaet Manage
/ng cc:
R. S. Hurt'e)t O': E.
Morgan R. KLSutut G.
E. Lien R. J.
- VoLEen, BPI
. K. R. Bakn, RO: II7-P.
N. Skekahe,,
Eaq.
R.
C.
CaLEen R. Nash, Eeq.
G. 0&on
- 3. SW&zeL PNSRC F&e, G. C~no($,
E5q.
3.
M. He.nru,gan, 8m, 7E (20 copiee)
Vm, QIPC (2 cop~W)
'Ome&o~e.
o$ Liceru~ng
RECEIVEO OOCUNEHT PROCESStHG UH(T
<917 AUG 24 PFI l2 2d