ML052020243

Derived Concentration Guideline Levels for Rancho Seco Industrial Area Structural Surfaces

ML052020243
Person / Time
Site:	Rancho Seco
Issue date:	07/14/2005
From:	Redeker S Sacramento Municipal Utility District (SMUD)
To:	Document Control Desk, NRC/FSME
References
+sispmjr200508, MPC&D 05-077
Download: ML052020243 (1)

Text

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• SMUD SACRAMENTO MUNICIPAL UTILITY DISTRICT 0 6201 S Street, RO. Box 15830, Sacramento CA 95852-1830, (916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA MPC&D 05-077 July 14, 2005 U.S. Nuclear Regulatory Commission Attn.: Document Control Desk Washington, DC 20555 Docket No. 50-312 Rancho Seco Nuclear Generating Station License No. DPR-54 DERIVED CONCENTRATION GUIDELINE LEVELS FOR RANCHO SECO INDUSTRIAL AREA STRUCTURAL SURFACES Attention: John Hickman Attached is a copy of Decommissioning Technical Basis Document DTBD-04-004 "DCGLs for RSNGS Structural Surfaces," Revision 0. This Decommissioning Technical Basis Document (DTBD) uses RESRAD-BUILD v3.22 to calculate single nuclide Derived Concentration Guideline Level (DCGL) values appropriate for evaluating structural surfaces associated with the Rancho Seco Industrial Area.

As they become available, we will submit additional DTBDs in anticipation that the review of these documents will facilitate NRC review and approval of the LTP to be submitted later this year. Members of your staff with questions requiring additional information or clarification may contact Bob Jones at (916) 732-4843.

Sincerely, eve Redeker Manager, Plant Closure and Decommissioning Attachment Cc w/ attachment:

B.S. Mallett, NRC, Region IV bDI