ML20248F196

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Forwards Proprietary NRC Form 327, Special Nuclear Matl (SNM) & Source Matl (SM) Physical Inventory Summary Rept, for Period Ending 980404 for Portsmouth & 980331 for Paducah,Per 10CFR74.17(a).Proprietary Info Withheld
ML20248F196
Person / Time
Site: Portsmouth Gaseous Diffusion Plant, Paducah Gaseous Diffusion Plant
Issue date: 05/26/1998
From: Rifakes G
UNITED STATES ENRICHMENT CORP. (USEC)
To: Paperiello C
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
Shared Package
ML20013J874 List:
References
GDP-98-0110, GDP-98-110, NUDOCS 9806040148
Download: ML20248F196 (4)


Text

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LsUSEC A Global Energy Company GEORGE P. RIFAKES Dir: (301) 564-3309 EXECUTIVE VICE PRESIDENT, PRODUCTION Fax:(301) 571-3208 May 26,1998 l

GDP 98-0110 Dr. Carl J. Paperiello

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Director, Office of Nuclear Material Safety and Safeguards

. Attention: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Paducah Gaseous Diffusion Plant (PGDP)

Portsmouth Gaseous Diffusion Plant (PORTS)

Docket Nos. 70-7001 & 70-7002 Submittal of NRC Form 327, "Special Nuclear Material (SNM) and Source Material (SM) Physical Inventory Summary Report" INFORMATION TRANSMITTED HEREWITH IS PROTECTED FROM PUBLIC DISCLOSURE AS CONFIDENTIAL COMMERCIAL OR FINANCIAL INFORMATION AND/OR TRADE SECRETS PURSUANT TO 10 CFR 2.790 AND 9.17(a)(4)

Dear Dr. Paperiello:

As required by 10 CFR 74.17(a), the United States Enrichment Corporation (USEC) is submitting to the Nuclear Regulatory Commission (NRC) the enclosed Form 327 documents for the Paducah, Kentucky and Portsmouth, Ohio Gaseous Diffusion Plants (PGDP and PORTS, respectively). These Form 327 documents cover the inventory period ending April 4,1998 for Portsmouth and March 31,1998 for Paducah. These documents contain confidential commercial or financial information or trade secrets that are exempt from public disclosure pursuant to Section 1314 of the Atomic Energy Act of 1954, as amended, and 10 CFR 2.790 and/or 9.17(a)(4). USEC hereby requests that the enclosed Form 327 documents be withheld from public disclosure.

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PDR ADOCK 07007001' ii C

PDRf 6903 Rockledge Drive, liethesda, MD 20817-1818 l

Telephone 301-564-3200 Fax 301-564-3201-http://www.usec.com

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I Offices in Livermore, CA Paducah, KY Portsmouth, OH Washington, DCh ( l b.

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Dr. Carl J. Paperiello May 26,1998 GDP-98-0110, Page 2 The inventory for Portsmouth was taken at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> on April 4,1998. It covers the period February 1,1998 through April 4,1998. Inventory was postponed from March 31 for operational reasons.

The inventory for Paducah was taken at 1700 hours0.0197 days <br />0.472 hours <br />0.00281 weeks <br />6.4685e-4 months <br /> on March 31,1998 for the perimi ofJanuary 31,1998

' through March 31,1998.

The ID reported on Line 6 for Portsmouth includes an adjustment of 526 grams "U to cormet for an assay 2

bias identified in Paducah Product Feed cylinders. The bias caused an overstatement of the amount of 2"U fed to the Portsmouth cascade between October 1997 and March 1998. Line 6 for Paducah includes an adjustment of-1,816,449 KgU and -11,964 Kg "U to conect for a scale bias and an assay bias generated 2

for Product withdrawals and Tails withdrawls from the Cascade. This bias caused an understatement of the amount of Uranium and 2"U withdrawn from the Paducah cascade between January 1,1997 through September 4,1997. A Prior Period Adjustment (PPA) is entered on Line 8 to reflect this correction for both Portsmouth and Paducah.

For both Portsmouth and Paducah Line 7 includes an entry to correct for statistically significant biases which were present in accountability measurement systems. The corrections were derived from measurement control data for accountability measurements performed duriug the inventory period.

The enclosed USEC affidavit provides the information required by 10 CFR 2.790(b)(4) for the enclosed Form 327 documents.

There are no new commitments made in this letter. Should you have any questions or comments on the enclosed information, please call me at (301) 564-3301 or Mark Lombard at (301) 564-3248.

Sincerely, fy George P. Rifakes Executive Vice President, Operations

Enclosures:

As stated cc: NRC Region III Office NRC ResidentInspector-PORTS i

NRC Resident Inspector-PGDP 1

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P AFFIDAVIT OF GEORGE P. RIFAKES SUPPORTING APPLICATION TO WITHHOLD FROM PUBLIC DISCLOSURE FORM 327 DOCUMENTS j

FOR THE PADUCAH AND PORTSMOUTH GASEOUS DIFFUSION PLANTS I, George P. Rifakes, Executive Vice President, Operations, United States Enrichment Corporation (USEC),

having been duly sworn do hereby affirm and state:

1.

I am an officer of USEC and have been authorized by USEC to (a) review the information owned by USEC which is referenced herein relating to the Paducah and Portsmouth Gaseous Diffusion Plants and I

- which USEC seeks to have withheld from public disclosure pursuant to section 147 of the Atomic Energy Act (AEA), as amended,42 U.S.C. l 2167, and 10 CFR 2.790(a)(3),2.790(a)(4),2.790(d)(1) and 9.17(a)(4), and (b) apply for the withholding of such information from public disclosure by the Nuclear Regulatory Commission (NRC) on behalf of USEC.

2.

Pursuant to 10 CFR 74.17(a), USEC has prepared a Form 327, Special Nuclear Material (SNM) and Source Material (SM) Physical Inventory Summary Repon for each of the Paducah and Portsmouth Gaseous Diffusion Plants which describes the amount of nuclear material possessed by USEC at each plant. 10 CFR 2.790(d)(1) states that correspondence and reports to or from the NRC containing information concerning an applicant's material control and accounting program for special nuclear material not otherwise designated as Safeguards Information or classified as National Security Information or Restricted Data are deemed to be confidential commercial or financial information exempt from public disclosure. Accordingly, USEC requests that the Paducah and Portsmouth Form 327 documents be withheld from public disclosure pursuant to section 147 of the AEA,42 U.S.C. f 2167, and 10 CFR 2.790(a)(3),2.790(a)(4),2.790(d)(1) and 9.17(a)(4).

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3.

George P. Rifakes, having been duly sworn, hereby confirms that I am Executive Vice President, Operations, of USEC, that I am authorized on behalf of USEC to review the information ;ttached hereto and to sign and file with the Nuclear Regulatory Commission this affidavit and the attachments hereto, and that the statements made and matters set forth herein are true and correct to the best of my knowledge or belief.

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George P. Rifakes On this 26th day of May,1998, the officer signing above personally appeared before me, is known by me to 1. the person whose name is subscribed to within the instrument, and acknowledged that he executed the same for the purposes therein contained.

In witness hereof I hereunto set my hand and official seal.

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Ilaurie M. Knisley, Notary Public State of Maryland, Montgomery County My commission expires March 1,2002 l

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