ML20202E740

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Forwards Addendum to Insp Rept 50-331/85-19.Addendum Compares Analyses Performed on Spiked Liquid Samples Collected During Insp & Corrected Samples Submitted by Ref Lab
ML20202E740
Person / Time
Site: Duane Arnold NextEra Energy icon.png
Issue date: 04/07/1986
From: Shafer W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To: Leslie Liu
IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
Shared Package
ML20202E747 List:
References
NUDOCS 8604140042
Download: ML20202E740 (2)


See also: IR 05000331/1985019

Text

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APR 7 1986

Docket No. 50-331

Iowa Electric Light and Power

Company

ATTN: Mr. Lee Liu

President and Chief

Executive Officer

IE Towers

P. O. Box 351

Cedar Rapids, IA 52406

Gentlemen:

Enclosed is an addendum to our Inspection Report No. 50-331/85019 transmitted

by our letter dated August 29, 1985. This addendum consists of comparisons of

analyses performed on a split liquid sample collected during the inspection,

and on a spiked liquid sample subsequently submitted to you by the NRC

Reference Laboratory. Initially for the spiked sample there was a

significant disagreement in the Co-60 values. From discussions with station

personnel and analysis of the gamma spectra printouts, it appears that the

analysts made some errors in the background corrections. The licensee explained

the cause of the problem and the corrective actions taken to resolve it in a

letter dated February 27, 1986. The corrected value is shown in the enclosed

table. This closes both Open Items 50-331/85019-01 and 50-331/85019-06.

Based on discussions with station personnel and the information provided in

.

your letters dated August 29, 1985, and February 27, 1986, we will review in

a subsequent inspection the following Open Items: 50-331/85019-02 on Kr-85m

analysis, 50-331/85019-03 on Mn-56 analysis, 50-331/85019-04 on technician

training on gamma analysis, and 50-331/85019-05 on As-76 analysis.

We appreciate your cooperation with us.

Sincerely,

" Original signed by W.p. shafee .

W. D. Shafer, Chief

Emergency Preparedness and

Radiological Protection Branch

Enclosure: As Stated

See Attached Distribution Q

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Iowa Electric Light and Power -2 APR 7 1986

Company

Distribution

cc w/ enclosure:

D. Mineck, Plant Superintendent

Nuclear

W. Miller, Assistant Plant

Superintendent Technical

Support

DCS/RSB(RIDS)

Licensing Fee Management Branch

Resident Inspector, RIII

Thomas Houvenagle, Iowa State

Commerce Commission

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