ML20209D265

Forwards Notification of Incident or Occurrence Containing Results of Mar 1974 Pu Reinventory.Recommends Notice Be Issued as Blue Sheet

ML20209D265
Person / Time
Site:	07001193
Issue date:	03/14/1974
From:	Hind J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:	Thornburg H US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20209D148	List: ML20209D144 ML20209D165 ML20209D191 ML20209D202 ML20209D214 ML20209D237 ML20209D247 ML20209D259 ML20209D265 ML20209D276 ML20209D281 ML20209D289 ML20209D303 ML20209D322 ML20209D331 ML20209D337 ML20209D355 ML20209D364 ML20209D778
References
FOIA-86-281 NUDOCS 8609090253
Download: ML20209D265 (3)

Text

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1. March 14 J1974; '

70-//f3 H. 'D. Thornburg, Chief, Field Su'pporti and Enforcement Branch' Directorate of Regulatory Operations, Headquarters , ,

DIRECTORATE OF REGULATORY OPERATIONS NOTIFICATION OF AN INCIDENT OR OCCURRENCE - KERR-McCEE PLUTONIUM MATERIAL UNACCOUNTED FOR QUANTITY

• 'the attached communication concerning the results of th'e March,1974 plutonium reinventory is forwarded with the recommendation' that it be issued as " Blue Sheet". .

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. (' J . Niind, Chief Materials and Plant Protection Branch 9

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DI' RECTORATE OF REGULATORY OPERATIONS

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NOTIFICATION OF AN INCIDENT OR OCCURRENCE i . ,

Facility: KERR-McGEE' NUCLEAR CORIORATION

. CIMARRON FACILITY - PLU 0NIUM PLANT ,

CRESCENT, OdLAHOMA .

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Problem: SIGNIFICANT MATERIAL UNACCOUNTED FOR (MUF) Q"MITITY This is to supplement'the notification of March 6, 1974, regarding the February plutonium material unaccounted for loss quantity of kilograms of plutonium at Kerr-McGee. -

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• During the period from Ma;ch 1 through 11, 1974, the licens'ee conducted a new inventory. This inventory, which involved an extensive cleanout

- of process equipment and a reevaluation of previous measurements, accounted t

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for 10.1 kilograms of plutonium reducing the February material unaccounted for to 1.4 kilograms. Since the start of , reporting of material unaccounted for quantities in August 1973, the cumulative material unaccounted for is 3.6

. kilograms of plutonium out of. a total system throughput of 400 kilograms. .

• This unaccounted for plutonium is not considered significant for the operation involved and is believed to be in the process piping systems. There is no l '

indication of theft or diversion.

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The licensee resumed production operation-on March 11, 1974..

Action by Regulatory Operations: . .

1. knROinspectorwdson-sitefromMarch1-11andobservedthe preparation for and completion of the licensee's new inventory.

2. An RO physical security inspec' tion was conducted. No significant deficiencies were identified.

3. Based on the results of the licensee's reinventory and the findings from our inspection, the licensee p

was permitted to resume production operations. RO will continue to monitor closely subsequent licensee inventories. .

4. The assistants to the Commissioners, the staff of*the Joint Committee on Atomic Energy and the Office of Information Services have been notified by telephone.

Contact _ . .

Further information concerning this occurrence can be obtained from S. E. Bryan - X7353 ,

H. D. Thornburg - X7353 ,

J. C. Davis - X7541 l

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