IR 05000289/2017502

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April 19, 2017

Mr. Bryan Hanson Senior Vice President, Exelon Generation, LLC President and Chief Nuclear Officer, Exelon Nuclear 4300 Winfield Rd. Warrenville, IL 60555

SUBJECT: THREE MILE ISLAND NUCLEAR STATION, UNIT 1 - EVALUATED EMERGENCY PREPAREDNESS EXERCISE - INSPECTION REPORT NO. 05000289/2017502

Dear Mr. Hanson:

On April 14, 2017, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection of the April 11, 2017, evaluated emergency preparedness exercise at the Three Mile Island (TMI), Unit 1 facility. The enclosed inspection report documents the inspection results, which were discussed on April 13, 2017, with Mr. Ed Callan, Site Vice President, and other members of your staff. The inspection examined activities conducted under your license as they relate to safety and compliance with the Commission's rules and regulations and with the conditions of your license. The inspectors reviewed selected procedures and records, observed activities, and interviewed personnel. Based on the results of this inspection, no findings were identified. In accordance with Title 10 of the Code of Federal Regulations (CFR) 2.390 of the NRC's "Rules of Practice," a copy of this letter and its enclosure and your response (if any) will be available electronically for public inspection in the NRC's Public Document Room or from the Publicly Available Records component of the NRC's document system, Agencywide Documents Access and Management System (ADAMS).ADAMS is accessible from the NRC's Website at http://www.nrc.gov/reading-rm/adams.html (the Public Electronic Reading Room).

Sincerely,/RA/ Raymond McKinley, Chief Plant Support Branch 1 Division of Reactor Safety Docket No. 50-289 License No. DPR-50

Enclosure:

NRC Inspection Report No. 05000289/2017502 cc w/encl: Distribution via ListServ R. Flinn, Director, PA Emergency Management Agency (PEMA) T. Scardino, RAC Chair, FEMA Region III

SUMMARY

IR 05000289/2017502; 4/10/2017 - 4/14/2017; Three Mile Island Nuclear Station Unit 1; Exercise Evaluation - Scenario Review - Performance Indicator Review. This was an announced inspection conducted by three Region I-based inspectors and one headquarters-based inspector. No findings were identified during the inspection. The NRC's program for overseeing the safe operation of commercial nuclear power reactors is described in NUREG-1649, "Reactor Oversight Process," Revision 6. No findings were identified.

REPORT DETAILS

REACTOR SAFETY

Cornerstone:

Emergency Preparedness (EP) 1EP1 Exercise Evaluation - (71114.01 - 1 Sample)

a. Inspection Scope

On April 11, 2017, Exelon conducted a biennial Three Mile Island (TMI) emergency preparedness (EP) exercise. The inspectors evaluated the adequacy of Exelon's conduct of the exercise, the performance of the TMI emergency response organization (ERO) to respond to the simulated emergency, and Exelon's capability to assess their own staff performance via a formal critique process, as required by Title 10 of the Code of Federal Regulations (CFR) 50.47(b)(14).

The exercise evaluation consisted of the following review and assessment: The adequacy of Exelon's performance in the biennial full-participation exercise regarding the implementation of the risk significant planning standards described in 10 CFR 50.47(b)(4), (5), (9), and (10), which are: emergency classification; offsite notification; radiological assessment; and public protective action recommendations, respectively.

The overall adequacy of Exelon's Three Mile Island emergency response facilities (ERF) with regard to NUREG-0696, "Functional Criteria for Emergency Response Facilities," and Emergency Plan commitments. The ERFs assessed were: the Control Room Simulator, the Technical Support Center, and the Emergency Operations Facility.

A review of other performance areas, such as: Exelon ERO's recognition of abnormal plant conditions; command and control; intra- and inter-facility communications; prioritization of mitigating activities; utilization of repair and field monitoring teams; interface with offsite agencies; staffing and procedure adequacy; and the overall implementation of the emergency plan and its implementing procedures.

A review of past performance issues from Exelon's EP drill reports to determine the effectiveness of licensee corrective actions as demonstrated during the April 11, 2017, exercise and to ensure compliance with 10 CFR 50.47(b)(14).

A review of the licensee's post-exercise critiques, to evaluate Exelon's self-assessment of its ERO performance during the April 11, 2017, exercise and to ensure compliance with 10 CFR Part 50, Appendix E, Section IV.F.2.g. The inspectors reviewed the documents listed in the attachment to this report.

b. Findings

No findings were identified.

1EP8 Exercise Evaluation - Scenario Review (71114.08 - 1 Sample)

a. Inspection Scope

Prior to the April 11, 2017, emergency preparedness exercise, the NRC inspectors conducted an in-office review of the exercise objectives and scenario, which Exelon had submitted to the NRC, to determine if the exercise would test major elements of the Three Mile Island Emergency Plan as required by 10 CFR 50.47(b)(14).

The inspectors reviewed the documents listed in the attachment to this report.

b. Findings

No findings were identified.

OTHER ACTIVITIES (OA)

4OA1 Performance Indicator Verification (71151 - 3 Samples)

a. Inspection Scope

The inspectors reviewed data for the TMI EP Performance Indicators (PI), which are: (1) Drill and Exercise Performance; (2) ERO Drill Participation; and, (3) Alert and Notification System Reliability. The last NRC EP inspection at TMI was conducted in the first calendar quarter of 2016, therefore, the inspectors reviewed supporting documentation from EP drills and equipment tests from the first calendar quarter of 2016 through the first calendar quarter of 2017, to verify the accuracy of the reported PI data. The review of these PIs was conducted in accordance with NRC Inspection Procedure 71151, using the acceptance criteria documented in NEI 99-02, "Regulatory Assessment Performance Indicator Guidelines," Revision 7.

b. Findings

No findings were identified.

4OA6 Meetings, including Exit

On April 13, 2017, the inspectors presented the results of this inspection to Ed Callan, TMI Site Vice President, and other members of the Exelon staff. The inspectors verified that no proprietary information was retained by the inspectors or documented in this report.

ATTACHMENT

SUPPLEMENTAL INFORMATION

KEY POINTS OF CONTACT

Licensee Personnel

E. Callan, Site Vice President
V. Cwietniewicz, Exelon Mid-Atlantic Emergency Preparedness Manager
J. Pickett, Emergency Preparedness Manager

LIST OF ITEMS OPENED, CLOSED, AND DISCUSSED

None.

LIST OF DOCUMENTS REVIEWED

Section 1EP1: Exercise Evaluation

Procedures

EP-AA-1000, Exelon Nuclear Standardized Emergency Plan, Revision 28
EP-AA-1009, Three Mile lsland Generating Station Emergency Plan Annex, Revision 24
EP-AA-1009, Addendum 3, Emergency Action Levels for Three Mile Island Station, Revision 2
OS-24, Conduct of Operations During Abnormal and Emergency Events, Revision 29

Miscellaneous

Three Mile Island Nuclear Station 2017 Emergency Preparedness Biennial Exercise Scenario Package, dated 2/8/2017
Issue Reports
2492831
2492841
2492887
2525298
2525373
2650903
2667729
2668296
2694088
3961831
3961835
3961843
3961872
3961911
3962160
3962418
3962799
3963805 3969910

Section 1EP8: Exercise Evaluation - Scenario Review

Procedures

EP-AA-1000, Exelon Nuclear Standardized Emergency Plan, Revision 28
EP-AA-1009, Three Mile lsland Generating Station Emergency Plan Annex, Revision 24
EP-AA-1009, Addendum 3, Emergency Action Levels for Three Mile Island Station, Revision 2

Miscellaneous

Three Mile Island Nuclear Station 2017 Emergency Preparedness Biennial Exercise Scenario Package, dated 2/8/2017

Section 4OA1: Performance Indicator (PI) Verification

Procedures

EP-AA-125-1001, EP Performance Indicator Guidance, Revision 9
EP-AA-125-1002, ERO Performance - Performance Indicators Guidance, Revision 12
EP-AA-125-1003, ERO Readiness - Performance Indicators Guidance, Revision 11
EP-AA-125-1004, Emergency Response Facilities and Equipment Performance Indicators Guidance, Revision 10 Drill/Exercise Performance PI data, January 2016 - March 2017 ERO Drill Participation PI data, January 2016 - March 2017 Alert and Notification System Reliability PI data, January 2016 - March 2017
Issue Reports
2656353 2659725

LIST OF ACRONYMS

ADAMS Agencywide Documents Access and Management System
CFR Code of Federal Regulations
EP Emergency Preparedness
ERF Emergency Response Facility
ERO Emergency Response Organization
NRC Nuclear Regulatory Commission
PI Performance Indicator
TMI Three Mile Island