ML20154C042

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Forwards Proprietary Special Nuclear Matl (SNM) & Source Matl (SM) Physical Inventory Summary Rept, for Period Ending 980731 for Portsmouth & Paducah Gaseous Diffusion Plants.Encl Withheld Per 10CFR2.790(d)(1)
ML20154C042
Person / Time
Site: Portsmouth Gaseous Diffusion Plant, Paducah Gaseous Diffusion Plant
Issue date: 09/22/1998
From: Adams J
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
ML20138L189 List:
References
GDP-98-0191, GDP-98-191, NUDOCS 9810060124
Download: ML20154C042 (4)


Text

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.e-USEC a ciobw en rsy comp.or September 22,1998 i

GDP 98-0191 1

Dr. Carl J. Paperiello l

Director, Office ofNuclear 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(d)(1)

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 July 31,1998, for both plants. These documents contain confidential con mercial or financial information and/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(d)(1). USEC hereby requests that the enclosed Form 327 documents be withheld from public disclosure.

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 July 31,1998. It covers the period June 1,1998, through July 31,1998. The inventory for Paducah was taken at 1760 hours0.0204 days <br />0.489 hours <br />0.00291 weeks <br />6.6968e-4 months <br /> on July 31, 1998, for the period of June 1,1998 through July 31,1998.

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6903 Rockledge Drive,11ethoda. MD 20817-1818 Telephone 301564-3200 Fax 301-564 3201 httpd/www.usec.com Offices in Linrmore, CA Paducah. KY Portsmouth, Oli Washington, DC

Dr. Carl J. Paperiello September 22,,1998 GDP-90-0191; Page 2 With regards to the inventory for Paducah:

- > Line 6 includes an adjustment of +160 Grams Uranium and +1 Gram U to correct for 235 contaminated material shipped from the Cascade. A Prior Period Adjustment (PPA)is entered on Line 8 to reflect this one-time correction.

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 during the inventory period, The resulting Inventory DifTerence (ID) for uranium element and for U were outside of the 235 235 LEID; however the U was within the allowable ID limit. NDA measurements that were taken after the inventory indicated that the ID is likely the result of material freezing out in the cascade

. due to low power levels and subsequent low process heating levels during the inventory time.

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) 564-3410 or Mark Lombard at (301) 564-3248.

Sincerely, n

S.11.

]n John G. Adams Safety and Health Assurance Policy Manager

Enclosures:

As stated cc: NRC Region III Office NRC Resident Inspector-PORTS NRC Resident Inspector-PGDP A

i AFFIDAVIT OF STEVEN A. TOELLE SUPPORTING APPLICATION TO WITHHOLD FROM PUBLIC DISCLOSURE FORM 327 DOCUMENTS FOR THE PADUCAH AND PORTSMOUTH GASEOUS DIFFUSION PLANTS I, Steven A. Toelle, Manager, Nuclear Regulatory Assurance and Policy, United States Enrichment Corporation (USEC), having been duly sworn do hereby affirm and state; 1.

I am a manager of USEC and have been av.horized by USEC to (a) review the information owned by USEC which is referenced herein relating te the Paducah and Portsmouth Gaseous Diffusion Plants and 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. f 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 Report for each of the Paducah and l

Portsmouth Gaseous Diffusion Plants which describes the amount of nuclear material possessed by USEC at each plat. 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. Q 2167, and 10 CFR j

2.790(a)(3), 2.790(a)(4), 2.790(d)(1) and 9 17(a)(4).

. 3.

Steven A. Toelle, having been duly sworn, hereby confirms that I am Manager, Nuclear 3 egulatory Assurance and Policy, of USEC, that I am authorized on behalf of USEC to review the -

R information attached 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.

0 S. B.

/2 Steven A. Toelle On this 22nd day of Sept 3mber,1998, the manager signing above personally appeared before me, is known by m: to be 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.

f L.

$lAAL lAA n

la urie M. Knisley, Notary Public State of Maryland, Montgomery Coun My commission expires March 1,2002 S

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