ML20058K790
| ML20058K790 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 07/23/1974 |
| From: | Larson C NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 9102140394 | |
| Download: ML20058K790 (1) | |
Text
.
H I
w o.a.:y n;u se et ayA.Taa P-o.w z n: c e.se P A.N:Y' W=tM 1a MI-mts 55351
/
ly 23,1974-
'. J. G. Orppler, Regioral Director widw.ta of Regulatx2ry Operatie:ms zicut: III
.tect States Aramic Er ig C-icsion T Roosavait Road at Ellyg 111irmis 61037 tr Me. Esppler:
M2frImun NJCLEAR GENERATING PLAhTP nne-Vet ib. 50-263 Licentse No. DPR-2Z July 224 1974, while perfortting a calibration.of tir stean Jet air: ejector
? gas 23diatiart nonitors, a. limiting ccmiitiott. for operatirn as esta'elished the Techn4m1 Specificatims was violatei.. Tedesical Specification. 3.2.11.2 vsires that witerevei one of ther. two off gas zwiiatiuT r.onitors is nada or founi 1
ibe inaparable, catirraed reactor power overatic:1. is pernissible pzmrided the spexable radiatic:t rarmitor instrrwe rt charatel is tripped.. 02 July 22, the
- ratar failed to trip the ofE gas radiation.nonitor channels which wetr tsade rperable-for calibration.. The:cff gas lirm high radistia:t isolation protective
- ct:km was defeatai for a total of approximately 15.mirartes, changes irr off gas radiatiart. level. were observed durir.g the time the. ?tigh.
listion.iW* tim prntWye functiert was -isyc421e.
wdvs actioris requirol to prevent. future siullar occurrences are cuoeatly ng irwestigart.d..
33 verf Ye
& [C
~
Etars
.mt Manager
.Vanen J.P 0' Leary, Directorate of Licensing G.Charnoff Minnesota Pollutiert. Control. Agency Attn:
E A Prytine-Pile des sent by telecopier ta Keppler==A 0' Leary 9102140394 740723 CF ADOCK 05000263-CF
.