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MONTHYEARML22112A0062022-04-20020 April 2022 (Public Version) Oconee SLRA - Final RCI 3.5.2.2.2.6-L ML21323A1152021-11-23023 November 2021 Subsequent License Renewal Environmental Review Requests for Additional and Subsequent Information - Enclosure ML18060A0282018-02-28028 February 2018 Noncurrence Process - Alternative to Codes and Standards ML16055A1882016-01-15015 January 2016 FOIA/PA-2016-0071 - Resp 3 - Interim, Continuing to Process Request. Part 2 of 2 ML16055A1872016-01-15015 January 2016 FOIA/PA-2016-0071 - Resp 3 - Interim, Continuing to Process Request. Part 1 of 2 ML15224A7792015-08-0707 August 2015 FOIA/PA-2015-0393 - Resp 2 - Final, Part 1 of 1 ML15162A0842015-06-11011 June 2015 GTCC Disposals at the Barnwell Low-Level Radioactive Waste Facility from 1998 to Present ML14135A4082014-05-0707 May 2014 FOIA/PA-2013-0213 - Resp 3 - Final, Group Letter D. Part 1 of 1 ML14058A0822014-02-0404 February 2014 Questions and Answers Related to the Oconee External Flooding Issue ML14058A0522014-02-0404 February 2014 Use of FERC Inundation Calculation Parameters ML14058A0502014-02-0404 February 2014 Questions and Answers Related to Oconee Flood Barrier ML14058A0492014-02-0404 February 2014 Site Adequate Protection Backfit Documented Evaluation ML14058A0212014-02-0404 February 2014 Request for Opinion on the Safe Shutdown Facility Added to the License Basis for the Oconee Units in an SER ML14058A0202014-02-0404 February 2014 Nancy Ssf Flooding URI Number 1 ML14058A0192014-02-0404 February 2014 TIA, Answers to Questions in Relation to Licensing Basis for Flooding for the Safe Shutdown Facility at Oconee Station ML14058A0152014-02-0404 February 2014 Site Adequate Protection Backfit Documented Evaluation ML14049A2872013-08-28028 August 2013 Meeting Feedback Form Meeting No. 20140354 ML16070A2882013-04-24024 April 2013 Jocassee and Keowee Dams, Breach Parameter Review, Dated April 24, 2013 (Redacted) ML13240A0162013-03-0606 March 2013 Report, Enclosure Oconee Nuclear Station Flooding Hazard Reevaluation Report ML13052A7852013-02-26026 February 2013 Flood Licensing Basis Evaluation Open Items ML13052A7872013-02-0606 February 2013 Justification for Continued Operation of Oconee Nuclear Station ML13052A7802013-02-0606 February 2013 Options for Revising Oconee Flood CAL Due Dates ML13052A7812013-02-0606 February 2013 Timeline - Summary of Events ML13052A7832013-02-0606 February 2013 Draft NRC Information Notice on Dam Failure Frequency in Probabilistic Risk Assessments ML13052A7862013-02-0606 February 2013 Jocassee Dame Failure Frequency Components ML13056A1002013-02-0606 February 2013 Resolution of Oconee Flooding Issue ML13056A1052013-02-0606 February 2013 Comparison of Approaches for Calculating a Jocassee Dam Failure Frequency ML12121A6382012-04-30030 April 2012 Response to Nuclear Regulatory Commission Standard Steam Generator Questions for Oconee Unit 3 ML12056A0522012-03-12012 March 2012 Enclosure 6 - List of Power Reactor Licensees and Holders of Construction Permits in Active or Deferred Status ML12003A0632011-12-16016 December 2011 Tornado and High Energy Line Break (HELB) Mitigation License Amendment Requests (Lars) - Responses to Request for Additional Information, Part 2 of 6 ML12003A0672011-12-16016 December 2011 Tornado and High Energy Line Break (HELB) Mitigation License Amendment Requests (Lars) - Responses to Request for Additional Information, Part 4 of 6 ML12003A0682011-12-16016 December 2011 Tornado and High Energy Line Break (HELB) Mitigation License Amendment Requests (Lars) - Responses to Request for Additional Information, Part 5 of 6 ML12003A0692011-12-16016 December 2011 Tornado and High Energy Line Break (HELB) Mitigation License Amendment Requests (Lars) - Responses to Request for Additional Information, Part 6 of 6 ML1131406132011-11-0101 November 2011 Enclosure 3 - Regulatory Enforcement Conference - Resubmittal of Supplement ML11279A2532011-10-0606 October 2011 NRC Pre-submittal Meeting - Proposed Tornado Mitigation Flowchart Revision 6 Oconee Nuclear Station, Units 1, 2, and 3 ML11279A2522011-10-0606 October 2011 NRC Pre-submittal Meeting- Proposed Turbine Building HELB Mitigation Flow Chart Revision 5 Oconee Nuclear Station, Units 1, 2, and 3 ML1101907492011-01-18018 January 2011 Enclosure 3 - List of Attendees ML1132604282011-01-0303 January 2011 NRC 2011 Vogtle ML1128005252010-12-29029 December 2010 Ncdeh 2010 Cleveland, Source Water Assessment Program Report ML1035103792010-12-17017 December 2010 NFPA 805 Transition Pilot Plant FAQ 08-0054, Revision 1 ML1128005292010-10-20020 October 2010 NRC 2011 VC Summer ML1026404582010-09-13013 September 2010 Enclosure 2 - Redacted Version of Request for Additional Information Re the License Amendment Request to Adopt NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition) ML1035100122010-08-19019 August 2010 NRC Staff Response to NFPA 805 Transition Pilot Plant FAQ 08-0054, Revision 0 (Updated) ML1023705812010-08-19019 August 2010 NFPA 805 Transition Pilot Plant FAQ 08-0054 ML1019301982010-06-0909 June 2010 Onsite Ground/Surface Water Monitoring Questionnaire for Oconee Nuclear Station ML14058A0612010-04-13013 April 2010 Draft Oconee Nuclear Site Adequate Protection Backfit Documented Evaluation ML1019304602010-03-25025 March 2010 List of Historical Leaks and Spills at Us Commercial Nuclear Power Plants ML1019305442010-02-0808 February 2010 Ground Water Communication Supplemental Information Questions and Answers ML1100606662009-10-0909 October 2009 Photographs of Ssf Asw Leak and Piping Replacement Project Taken Between August 20, 2009 and October 9, 2009, by Oconee Resident Inspectors. Part 2 of 14 ML0927103442009-09-25025 September 2009 Site Visit Observation on 09/25/2009 by Joel Munday for Oconee 2022-04-20
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Section K - Oconee Nuclear Plant Duke Power Company Plant Oconee is a three-unit Pressurized Water Reactor (PWR) facility located adjacent to Lake Keowee, near Senaca, South Carolina, approximately 20 miles northeast of Toccoa, Georgia. It discharges into the headwaters of the Savannah River upstream of Lake Hartwell.
Babcock and Wilcox Company supplied this facility, which has been in operation since 1974.
Several land and aquatic sample locations (Figures K-3 and K-4) are included in DNR's network, which includes the northeast comer of Georgia, around and including Lake Hartwell. DNR has monitored Plant Oconee since approximately 1978, with no detectable Site-related activity except for Figure K-1 (Oconee Nuclear Plant) periodic low-level H-3 insurface water collected from Lake Hartwell (near the Hartwell Dam). However, several global fallout-related radionuclides (Nb-95, Zr-95, Ru-103, Ru-106, Ce-141, Ce-144, and Cs-137) were detected many years ago (1981) during the Chinese weapons testing period. Cs-137 is the only one of these fallout-related gamma-emitting radionuclides that is still detectable.
Surface Water: Low-level H-3 (up to 2x Bkg.) in surface water (Table K-5) was the only Site-related radionuclide detected during the current monitoring period, with the maximum concentration (400 pCi/I) equal to two percent of the Safe Drinking Water MCL (Figure K-2). Results were generally non-detectable for other tests (alpha, beta, and gamma-isotopic including Cs- 137 and 1-131).
Figure K-2: H-3 Results (pCi/L) in Lake Hartwell Water Near Hartwell Dam Downstream of Oconee Nuclear Plant (CY 2000-2002) pCi/L M;M 20,000 MCL_- _
%mSeant 15,000 400 (pCilL) .... Expanded
- View 300 -_0 10,000 200 -_--
100 i 0 ... . ' ; ' '. ;. '. '.,'l ' i 07/01 10101 01102 04102 07/02 5,000 200 300 200 400 200 0
01/00 04100 07/00 10001/01 04101 07/01 `10/01 01102 04102 07102 10102 01103 Georgia Environmental Radiation Surveillance Report 2000 - 2002 Section K - Oconee Nuclear Plant K-I