ML101550542

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Assignment Report (AR) 00996823 Report
ML101550542
Person / Time
Site: Three Mile Island  Constellation icon.png
Issue date: 11/21/2009
From:
- No Known Affiliation
To:
NRC Region 1
References
AR 00996823, FOIA/PA-2010-0118
Download: ML101550542 (29)
v • d • e


Text

-." NAR -Assignment Report 0 Go back Page 1 of 29 Print I New Search Home AR 00996823 Report Aft Fac: Aft Unit: Three Mile Island 01 AR Type: Owed To: CR Ar531CAP Status: Aft System: CR Level/Class:

How Discovered:

WR/PIMS AR: 153 2/A H01 Due Date: Event Date: Disc Date: Orig Date: APPROVED 03/18/2011 11/21/2009 11/21/2009 11/21/2009 Component

  1. A*.n& Da. ua~ fl~niC

Subject:

Description:

TIR18-CP:

UNEXPECTED AIRBORNE RAD ACTIVITY IN THE RB Originator:

BRADLEY C SHUMAKER Supv Contacted:

T. Roberts Condition

==

Description:==

An unexpected increase in airborne radioactive activity occurred in the Reactor Building.

Local air monitors alarmed alerting Radiation Protection personnel who evacuated personnel from the RB. Many exiting personnel were unable to pass screening through the automated contamination monitors.Airflow from the RB passed through the Personnel Hatch as well, impacting the RP Control Point personnel in the Auxiliary Building.Operations secured RB Purge Ventilation supply flow to maximize purge ventilation exhaust and reduce air flow out of the RB hatches and OTSG construction opening.EP-AA-1009 was reviewed for impact on EALs and no criteria were exceeded.Assessment of the cause and the recovery plan are being developed.

Immediate actions taken: Evacuated personnel from the RB.Recommended Actions: Prompt investigation of cause.RB recovery plan to support resumption of work.Address personnel contamination issues.What activities, processes, or procedures were involved?To be developed during the prompt investigation Why did the condition happen?Uncertain at this time.What are the consequences?

Critical path and near critical path work has stopped inside the Reactor Building.Were there any adverse physical conditions?

See detail above.List of knowledgeable individuals:

T. Roberts, J. Goldman, J. Heishman 6-11q AR.- Assignment Report Page 2 0"f,29 , Operable Basis: Reportable Basis: Reviewed by operations for reportability.

The Exelon Reportability Reference Manual decision tree was reviewed, and no immediate reportability requirements were identified for the occurrence of the airborne radioactivity.

The event is not reportable under SAF 1.1, RAD 1.1, PAD 1.2, RAD 1.3, RAD 1.5, RAD 1.21, or RAD 1.22. The event needs to be evaluated for reportability under RAD 1.8, but there are no immediate reportability requirements under this section (30 day report). While the airborne activity event did not result in any immediate reportability requirements, media interest in the event did result in issuing a press release and an event of potential public interest (EPPI) per LS-MA-1254 TMI-02. As a result, it is reportable under SAF 1.9 (4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />). A report the NRC Operations Center via the ENS line was made at 01:13 on 11/22/09 (EN# 455144) after issuing the EPPI at 22:45 on 11/21/09.SOC Reviewed by: CRYSTAL A WARLOW 11/25/2009 09:56:23 CST SOC Comments: SL3 as a result of meeting the following criteria contained in LS-AA-120, Att 2: "Contamination, airborne radioactivity, or radiation levels significantly above normal levels resulting from unplanned events.(HM Langley, TMI RP, 11/21/09)This event also meets SL3 due to > 1 day outage impact on critical path.Follow up to Prog Eng to document PINV (Hass 11/23/09)Per the Corp RP.Sr RP Technical Lead (G. McCarty), the highest dose assigrned to this event does not meet the 24-hour reporting criteria in 10CFR20.2202 (RRM Section RAD 1.2)Follow-up to RP to document PINV results (HM Langley, TMI RP, 11/23/09) (SOC 11/23/09)Root cause-related actions initiated 11/23. PINV assignment now in"COMPLT" status with six (6) interim actions to be initiated but no assignment owners or due dates noted. Actions can not be initiated until such time that assignment owners and due dates are determined and the actions accepted.

Issue discussed with the PINV owner who accepted the responsibility to determine the assignment owners and due dates.Follow-up to RP to allow PINV owner to determine assignment owners and due dates.(HM Langley, TMI RP, 11/24/09) (SOC 11/24/09)Per Ops SOC rep, PINV interim actions 1 and 2 have been completed by Ops.Assignments created for PINV interim actions 3, 4, 5, and 6.(HM Langley, TMI RP, 11/24/09)SL2 due to potential cost to corporation.

Close to comments, actions taken, and actions created.(HM Langley, TMI RP, 11/25/09) (SOC 11/25/09)Reviewed by: BRADLEY A PARFITT 11/22/2009 02:42:02 CST Reviewer Comments: Reviewed by Operations for Operability.

This issue has no impact on the ability to safely operate the plant, to achieve or maintain the plant in a safe shutdown condition, or to mitigate the effect of any accident condition.

This issue does not identify an equipment deficiency that affects operability of any SSC. There are no Operability concerns.

See reportability basis for reportability determination.

Based on bounding calculations performed by Rad Protection, any airborne release from the Reactor Building was a small fraction of the criteria of EAL RU1. Nor did the event meet any of the criteria for entry into EAL RU2. No entry into the Emergency Plan was required.

This was reviewed and concurred by corporate and site Emergency Planning.1~tr*Ino-onhnanrrr,/I-

~ nlaiI n~l A VQ-d,,ot1?)I'flC 1 /1) 1 AR_'- Assignment Report Page 3 of 29 A prompt investigation has been initiated as this is a significant radiological event as defined in RP-AA-1004.

All notifications per OP-AA-106-101 have been completed.

Action needs be generated to evaluate reportability under LS-AA-1110 RAD 1.8.Reviewed by: HARRISON M LANGLEY JR 11/23/2009 16:04:40 CST Reviewer Comments: Worked with site CAPCO and RCE team member to establish dates for assignments.

IR removed from follow-up (HM Langley, TMI RP, 11/23/09)Reviewed by: HARRISON M LANGLEY JR 11/25/2009 07:29:20 CST Reviewer Comments: Actions created for RCA and PINV. IR removed from follow-up (HM Langley, TMI RP, 11/25/09)CAP QUALTY REJECT: 4 DEPT RESET: 05531 MRC SCREEN DATE: 20091209 STATION RESET: TMI Trendý Codes.~ *' f~I~'.i .TC1 TC2 TC3 Proc Org Rank ERP102 *

  • RP20 RP ERP103 *
  • RP15 RP F-RP R-REC
  • RP20 RP 3D 4SD 5SN RP20 RP 3H 4WE 5HR RP20 RP 3P 4NU RP20 VNDR 3P 4NU 5UN RP20 RP 3P 4WI 5IS RP20 RP P Assignments IIII'1 ;>Assign #: 01 Assigned To: Status: COMPLETE Aff Fac: Three Mile Prim Grp: ACAPALL Due Date: 11/26/2009 Island Assign Type: TRKG Sec Grp: Orig Due Date: Priority: Schedule Ref: Unit Condition:

Subject/Description:

TIR18-CP:

UNEXPECTED AIRBORNE RAD ACTIVITY IN THE RB Assign #: 02 Assigned To: U998RG0 Status: COMPLETE Aft Fac: Three Mile Prim Grp: A5551NESPR Due Date: 11/23/2009 Island I ..' 11 I I -.-ý I AR -Assignment Report Page 4 6f Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

PINV Sec Grp: Orig Due Date: 11/23/2009 Unexpected Airborne Activity in RB Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

03 Three Mile Island ACIT Assigned To: Prim Grp: U999LKW A5532CHEM Status: Due Date: COMPLETE 12/04/2009 Sec Grp: Orig Due Date: 12/04/2009 Evaluate Reportability under LS-AA-1110, RAD 1.8 Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

04 Three Mile Island ACIT Assigned To: Prim Grp: T941DLO A5532CHEM Status: Due Date: COMPLETE 12/02/2009 Sec Grp: Orig Due Date: 12/02/2009 Document Independent 3rd Party review of Dose Estimate Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

05 Three Mile Island NNOE Assigned To: Prim Grp: U997J8G A5501RAPR Status: Due Date: COMPLETE 12/04/2009 Sec Grp: Orig Due Date: 11/25/2009 Subject/Description:

Create NNOE for this event IAW LS-AA-115-1004 Prepare and distribute NNOE for 996823 Assign #: Aft Fac: 06 Three Mile Island Assigned To: Prim Grp: U998RG0 A5551NESPR Status: Due Date: COMPLETE 11/25/2009 11/25/2009 Assign Type: RCCH Sec Grp: Orig Due Date Priority: Schedule Ref: Unit Condition:

Subject/Description:

Per LS-AA-125:

Develop an RCA charter for MRC approval (R .Green)1 I')Q1')11) 1(

-,AR-- Assignment Report Page 5 of 29 Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

07 Three Mile Island MRC Assigned To: U998RG0 Prim Grp: A5551NESPR Status: Due Date: COMPLETE 11/25/2009 Sec Grp: Orig Due Date: 11/25/2009 Per LS-AA-125:

Present the RCA charter to MRC for approva I (R. Green)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

08 Three Mile Island MRC Assigned To: Prim Grp: UOOOBYO A5551NESPR Status: Due Date: COMPLETE 11/30/2009 Sec Grp: Orig Due Date: 11/30/2009 Per LS-AA-125:

Conduct an RCA status meeting with the MR C (R. Green)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

09 Three Mile Island RCR Per LS-AA-125:

Assigned To: Prim Grp: U998RGO A5551NESPR Status: Due Date: COMPLETE 12/07/2009 Sec Grp: Orig Due Date: 12/07/2009 Complete t e Root Cause Report for this ev ent (R. Green)k ýV Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

10 Three Mile Island MRC Assigned To: U998RG0 Prim Grp: A5551NESPR Status: Due Date: COMPLETE 12/14/2009 Sec Grp: Orig Due Date: 12/14/2009 Per LS-AA-125:

Present the RCR to MRC (R. Green)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: 11 Three Mile Island SDP Assigned, To: Prim Grp: U998AWM A5501RAPR Status: Due Date: COMPLETE 12/07/2009 Sec Grp: Orig Due Date: 12/07/2009 I -_ ..... .I I 1 , '1

  • AR -Assignment Report Page 6 6f,20, Unit Condition:

Subject/Description:

Perform an SDP for this event (A. Miller)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

12 Three Mile Island ACIT Assigned To: Prim Grp: U999PLF A5530NESSC Status: Due Date: COMPLETE 12/21/2009 Sec Grp: Orig Due Date: 12/21/2009 Ensure trend codes in PASSPORT match those in the MRC-app roved RCR (P. Fink)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

13 Three Mile Island ACIT Assigned To: Prim Grp: MMCGV A5566PM Status: Due Date: COMPLETE 11/27/2009 Sec Grp: Orig Due Date: 11/27/2009 Subject/Description:

Inventory all vacuums and HEPA equipment used for breac hing orworking on the RCS to ensure that the correct equipment is being used and is in proper working orde r (D.Merchant)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

14 Three Mile Island ACIT Assigned To: Prim Grp: UOOOCGH A5566PM Status: Due Date: COMPLETE 12/04/2009 Sec Grp: Orig Due Date: 12/04/2009 Subject/Description:

Perform a review of all work packages used for breach o f the RCS, ALARA plans, and RWP's to ensure that the appropriate engineered controls (including HEPA's and vacuum's) are defined. (D. Merchant)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

15 Three Mile Island ACIT Assigned To: Prim Grp: UOOOCGH A5566PM Status: Due Date: COMPLETE 12/04/2009 Sec Grp: Orig Due Date: 12/04/2009 Subject/Description:

Reinforce the proper use of Rad work practices and Engine ering controls with plant workers for all work that breach the RCS (D. Merchant)Assign #: 16 Assigned To: U999LKW Status: ACC/ASG I, ttn. 1/-on ------. ---- -n,/n/'rr tD,~r A V Q-drn 1flI)fl 1 /1)0/,(1"(1

-AR -Assignment Report Aff Fac: Three Mile Island Assign Type: ACIT Priority: Schedule Ref: Unit Condition:

Subject/Description:

Include ab Prim Grp: Sec Grp: A5532CHEM Page 7 of 29 Due Date: 05/01/2010 Orig Due Date: 05/01/2010 normal release in ARERR Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

17 Three Mile Island ACIT Assigned To: U777MGC Prim Grp: A5531RP Sec Grp: Status: COMPLETE Due Date: 12/31/2009 Orig Due Date: 12/31/2009 Rad Shipping -Process samples for vendor analysis (hard to detect nuclides e.g gross alpha, Sr 89 / 90). Coordinate with ODCM specialists for which samples need additional analyses.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

18 Three Mile Island ACIT Assigned To: U998RG0 Prim Grp: A5551NESPR Sec Grp: Status: COMPLETE Due Date: 01/07/2010 Orig Due Date: 01/07/2010 As current or anticipated operational liabilities allow ( RCS back intact prior to attempting to replicate, if possible, flow conditions on 11/21), work with Ops to perform air flow surveys in the RB D-rings with and without RB purge operating (R. Green)Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

Assign #: Aft Fac: Assign Type: Priority: 19 Three Mile Island ACIT Assigned To: Prim Grp: Sec Grp: T941DLO A5532CHEM Status: Due Date: Orig Due Date: COMPLETE 01/06/2010 01/06/2010 Document Independent 3rd Party review of Dose Estimate revs.20 Three Mile Island CAPR Assigned To: DAVIRL Prim Grp: A5531RP Sec Grp: Status: COMPLETE Due Date: 12/30/2009 Orig Due Date: 12/30/2009 1 --//

AR -Assignment Report Page 8 of.29, Schedule Ref: Unit Condition:

Subject/Description:

CAPR: Davis -Document with CAPR closeout. (CAPR) -Change Procedure RP-TM-500-1005 Rev 0 to add the requirement that only vacuums with HEPA filters are allowed in radiological controlled areas. (Complete)

Document the issuance of procedure RP-TM-500-1005 Rev 1 and the changes contained within using a CAPR closeout form.Assign #: Aft Fac: 21 Assigned To: DAVIRL Status: Due Date: COMPLETE 01/22/2010 Three Mile Island CA Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 12/31/2009 Subject/Description:

CA -Davis Verify compliance with procedure (CA) -Verify TMI Radiological Controls are in compliance with RP-TM-500-1005 Rev 1 by reviewing the wording in the procedure against current practices.

Brief all RP techs on actions necessary to remain in compliance with this procedure.

Assign #: Aft Fac: 22 Three Mile Island Assigned To: U997REM Status: Due Date: ACC/ASG 03/10/2010 Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 02/10/2010 Subject/Description:

ACIT -McDonald:

Benchmark best practices (ACIT) -Benchmark industry for best practices regarding control and use of RCA vacuums. Contact INPO for assistance.

Submit results to Corporate Radiological Engineering Manager.Assign #: Aft Fac: 23 Three Mile Island Assigned To: U002GPM Status: Due Date: ACC/PRI 02/25/2010 Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Schedule Ref: Unit Condition:

CA Orig Due Date: 02/25/2010 Subject/Description:

CA -McCarty: Imlement Fleet Procedure (CA) -RP Fleet Peer Group to implement fleet-standardized controlled vacuum cleaner procedure that prohibits use of non-HEPA filtration equipped vacuums in an RCA and incorporate industry best practices.

Assign #: Aft Fac: 24 Assigned To: T902HML Status: Due Date: COMPLETE 01/04/2010 Three Mile Island Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: CA Orig Due Date: 12/31/2009 I--- L-./II-II- I I'~OI~fllfl 1 /110 PI A I rN "AR -Assignment Report Page 9 of 29 Unit Condition:

Subject/Description:

CA-Myers:

Verify HEPA performance (CA) -Visually inspect all radiologically controlled vacuums under the purview of TMI RP/Rad Waste and verify each vacuum: 1. Is equipped with a HEPA filter. 2. Has a validcertification sticker attached in accordance with RP-TM-500-1005 and RP-AA-602.

3. Has no physical damage. Any vacuum not meeting above criteria shall be immediately removed from service until procedurally compliant or permanently disabled and disposed.Assign #: Aft Fac: 25 Assigned To: CSCRF Status: Due Date: COMPLETE 12/31/2009 Three Mile Island Prim Grp: Sec Grp:-A5566PM Assign Type: Priority: Schedule Ref: Unit Condition:

CA Orig Due Date: 12/31/2009 Subject/Description:

CA -Merchant:

Verify Performance of HEPA filters (CA) -Visually inspect all radiologically controlled vacuums under the purview of SGRP project RP/Decon and verify each vacuum: 1. Is equipped with a HEPA filter. 2. Has a valid certification sticker attached in accordance with RP-TM-500-1005 and RP-AA-602.

3. Has no physical damage. Any vacuum not meeting above criteria shall be immediately removed from service until procedurally compliant or permanently disabled and disposed. (Merchant)

Action #996823-25 Assign #: Aft Fac: 26 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 03/25/2010 Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 03/25/2010 Subject/Description:

ACIT -Davis: Review T&RMs (ACIT) Review TMI specific T&RM's that are not TMI component or systems specific for deviation from corporate standards or industry standards if applicable.

Examples of exemptions include TMI-2, TMI-1 System Operation, and processes unique to TMI-1. Document gaps within the'CAP system.Assign #: Aft Fac: 27 Assigned To: U998J8G Status: ACC/ASG Three Mile Island ACIT Prim Grp: Sec Grp: A5520MAINT Due Date: 03/25/2010 Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/25/2010 Subject/Description:

ACIT -Heishman:

Review T&RMs (ACIT) Review .TMI specific T&RM's that are not TMI component or systems specific for deviation from corporate standards or industry standards if applicable.

Examples of exemptions include TMI-2, TMI-1 System Operation, and processes unique to TMI-1. Document gaps within the CAP system.Assign #: Aft Fac: 28 Assigned To: CARSWB Prim Grp: A5550APR Status: NTFY/PRI Three Mile Island Due Date: 03/25/2010 AR -Assignment Report Page 10 of 29.Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Sec Grp: Orig Due Date: 03/25/2010 Subject/Description:

ACIT -Carsky: Review T&RMs (ACIT) Review TMI specific T&RM's that are not TMI component or systems specific for deviation from corporate standards or industry standards if applicable.

Examples of exemptions include -tMI-2, TMI-1 System Operation, and processes unique to TMI-1. Document gaps within the CAP system.Assign #: Aft Fac: 29 Three Mile Island Assigned To: U999E8H Status: Due Date: NTFY/ASG 03/25/2010 Prim Grp: Sec Grp: A5510APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 03/25/2010 Subject/Description:

ACIT -Sallade: Review T&RMs (ACIT) Review TMI specific T&RM's that are not TMI component or systems specific for deviation from corporate standards or industry standards if applicable.

Examples of exemptions include TMI-2, TMI-1 System Operation, and processes unique to TMI-1. Document gaps within the CAP system.Assign #: Aft Fac: 30 Assigned To: U999RSC Status: Due Date: NTFY/ASG 03/25/2010 Three Mile Island Prim Grp: Sec Grp: A5540APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 03/25/2010 Subject/Description:

ACIT- Campbell:

Review T&RMs (ACIT) Review TMI specific T&RM's that are not TMI component or systems specific for deviation from corporate standards or industry standards if applicable.

Examples of exemptions include TMI-2, TMI-1 System Operation, and processes unique to TMI-1. Document gaps within the CAP system.Assign #: Aft Fac: 31 Three Mile Island Assigned To: U999MSR Status: Due Date: ACC/ASG 03/25/2010 Prim Grp: Sec Grp: A5561APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 03/25/2010 Subject/Description:

ACIT-Richards:

Review T&RMs (ACIT) Review TMI specific T&RM's that are not TMI component or systems specific for deviation from corporate standards or industry standards if applicable.

Examples of exemptions include TMI-2, TMI-1 System Operation, and processes unique to TMI-1. Document gaps within the CAP system.Assign #: Aft Fac: 32 Three Mile Island Assigned To: U997REM Status: Due Date: ACC/ASG 02/26/2010 Prim Grp: A5531APR I- --.I I I- -.ý --- --A" ý

,.AR -Assignment Report Assign Type: AC Priority: Page 11 of 29-IT Sec Grp: Orig Due Date: 01/15/2010 Schedule Ref: Unit Condition:

Subject/Description:

ACIT-McDonald:

complete needs analysis form (ACIT) -RP CRC perform needs analysis of new corporate procedure (996823-23) on the control of RCA vacuums. Ensure impact on Initial Training, Continuing Training and supplemental RPTs is addressed.

Assign #: Aff Fac: 33 Assigned To: T902HML Status: Due Date: COMPLETE 01/15/2010 Three Mile Island ACIT Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 01/15/2010 Subject/Description:

ACIT-Davis:

reinforce fundamentals (ACIT) -Reinforce the RP fundamentals on the need to communicate changes in actions or requests regarding the communications breakdown surrounding the purchase of SGRP project wet vacs.Assign #: Aft Fac: 34 Three Mile Island CA Assigned To: U998DWR Status: Due Date: ACC/ASG 03/26/2010 Prim Grp: Sec Grp: A5510APR A5510PROC Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/26/2010 Subject/Description:

CA-Sallade:

change ventilation ops procedure/s (CA) -Revise RCA related ventilation operating procedures to require a review of RCS work in progress and notify RP prior to operating or manipulating ventilation equipment.

Assign #: Aft Fac: 35 Three Mile Island Assigned To: U002GPM Status: Due Date: ACC/PRI 03/25/2010 Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Schedule Ref: Unit Condition:

CA Orig Due Date: 03/25/2010 Subject/Description:

CA-McCarty:

Revise RP-AA-401 (CA) -Revise the corporate ALARA Review procedure RP-AA -401, "Operational ALARA Planning and Controls" to require a review of ventilation induced air flows and impact when a task has the potential for generating high contamination that may become airborne.Assign #: Aft Fac: 36 Assigned To: DAVIRL Status: Due Date: COMPLETE 01/22/2010 Three Mile Island Prim Grp: Sec Grp: A5531RP Assign Type: CA Orig Due Date: 12/31/2009 AR -Assignment Report Page 12 of Priority: Schedule Ref: Unit Condition:

Subject/Description:

CA-Davis:

Review procedure importance (CA) -Review the importance of following procedures with RP Techs. Discuss how this event could have been avoided if the procedure had been followed.Assign #: Aft Fac: 37 Three Mile Island Assigned To: DAVIRL Status: Due Date: COMPLETE 01/22/2010 Prim Grp: Sec Grp: A5531RP Assign Type: CA Orig Due Date: 12/30/2009 Priority: Schedule Ref: Unit Condition:

CA-Davis:

review PJB expectations (CA) -Reinforce expectations with RP supervision to Subject/Description:

perform Pre-Job Briefs with RP techs per HU-AA-1211.

Assign #: Aft Fac: 38 Three Mile Island Assigned To: DAVIRL Status: Due Date: COMPLETE 12/30/2009 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 12/30/2009 Subject/Description:

ACIT-Davis:

Reinforce worker briefings (ACIT) Worker briefings are required for all T1R18 ALARA plan activities within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of task per RP-AA-401, "Operational ALARA Planning and Controls".

Reinforce this requirement with all RP personnel.

Assign #: Aft Fac: 39 Three Mile Island Assigned To: T902HML Status: Due Date: COMPLETE 12/30/2009 Prim Grp: Sec Grp: A5531RP Assign Type: ACIT Orig Due Date: 12/30/2009 Priority: Schedule Ref: Unit Condition:

Subject/Description:

ACIT-Davis:

RPT vendor FMS (ACIT) Document the performance of the RP technician in vendor FMS.Assign #: Aft Fac: 40 Three Mile Island Assigned To: T902HML Status: Due Date: COMPLETE 12/30/2009 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 12/30/2009

ý -

'A R -Assignment Report Page 13 of 29 Subject/Description:

ACIT-Davis:

RP supervision vendor FMS (ACIT) Document the performance of the RP supervision in vendor FMS. I Assign #: 41 Assigned To: DAVIRL Status: Due Date: COMPLETE 01/22/2010 Aft Fac: Three Mile Island CA Prim Grp: Sec Grp: A5531RP Assign Type: Orig Due Date: 12/30/2009 Priority: Schedule Ref: Unit Condition:

Subject/Description:

CA-Davis:

Communicate expectations on vacs with RPT (CA) -Communicate expectations for the requirements for RP technicians to inspect vacuum cleaners prior to use at RCA job site.Assign #: Aft Fac: 42 Three Mile Island Assigned To: U997DFM Status: Due Date: COMPLETE 01/27/2010 Prim Grp: Sec Grp: A5561APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 01/27/2010 Subject/Description:

ACIT-Moyer:

Update guide for NGET (ACIT) -Add this event as OPEX (IR# 996823) to the revision list for the Exelon Common Site-Specific Study Guide for incorporation into the next revision of NGET.Assign #: Aft Fac: 43 Three Mile Island Assigned To: UOOOCEK Status: Due Date: ACC/ASG 03/25/2010 Prim Grp: Sec Grp: A5461TR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 03/25/2010 Subject/Description:

ACIT-Knox:

Revise Rad Worker Training (ACIT) Attain Approval and Incorporate the following topical issue to the corporately owned radiation worker training modules: 1.)Stress the procedural requirement for all vacuum cleaners in an RCA to be equipped with HEPA filtration.2.)

Stress the requirement that no vacuum cleaner or vacuuming device can be substituted for an RP approved HEPA filtration equipped' vacuum.3.)

Stress the importance of NOT altering or repairing vacuum cleaners used in an RCA without RP concurrence and oversight.

Assign #: Aft Fac: 44 Assigned To: DAVIRL Status: Due Date: ACC/ASG 02/10/2010 Three Mile Island ACIT Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 02/10/2010 I .. I I I -l' AR -Assignment Report Page 14 d 129', -Subject/Description:

ACIT-Davis:

review OE10640 (ACIT) -Formerly review the 1999 Farley event described in OE 10640 for significance to TMI. If additional actions are necessary, create an IR to document the actions taken.Assign #: Aft Fac: 45 Assigned To: DAVIRL Status: Due Date: ACC/ASG 02/10/2010 Three Mile Island ACIT Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 02/10/2010 Subject/Description:

ACIT-Davis:

review OE18825 (ACIT) -Formerly review the 2004 Browns Ferry event described in OE 18825 for significance to TMI. If additional actions are necessary, create an IR to document the actions taken.Assign #: Aft Fac: 46 Assigned To: -DAVIRL Status: Due Date: ACC/ASG 02/10/2010 Three Mile Island Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 02/10/2010 Subject/Description:

ACIT-Davis:

review OE 27851 (ACIT) -Formerly review the 2008 Vermont Yankee event described in OE 27851 for significance to TMI. If additional actions are necessary, create an IR to document the actions taken.Assign #: Aft Fac: 47 Assigned To: DAVIRL Status: ACC/ASG Three Mile Island Prim Grp: Sec Grp: A5531APR Due Date: 02/10/2010 Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 02/10/2010 Subject/Description:

ACIT-Davis:

review OE 14512 (ACIT) -Formerly review the 2002 Vermont Yankee event described in OE 14512 for significance to TMI. If additional actions are necessary, create an IR to document the actions taken.Assign #: Aft Fac: 48 Three Mile Island Assigned To: MMCGV Status: Due Date: COMPLETE 01/08/2010 Prim Grp: Sec Grp: A5566PM Assign Type: Priority: Schedule Ref: Unit Condition:

ACIT Orig Due Date: 12/31/2009 Subject/Description:

ACIT-Davis:

Formally review OE 23581 (ACIT) -Formerly review the 2006 Seabrook event described in OE 23581 for significance to TMI. This event is relevant to the TMI RCS refill with dry internal RCS. If additional actions are necessary, create an IR to AD Q---1-+1 I'/O1 1[t1 l (

AR -Assignment Report Page 15 of 29 document the actions taken.Assign #: Aff Fac: 49 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 03/19/2010 Prim Grp: Sec Grp: A5531APR Assign Type: ACIT Orig Due Date: 03/19/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

ACIT-Davis:

review root cause with RPTs (ACIT) -Review Root Cause Evaluation (996823-09) with RP Techs to stress the value of questioning attitudes, independent thinking, and RP fundamentals.

Assign #: Aft Fac: 50 Three Mile Island ACIT Assigned To: UOOOWOH Status: Due Date: CANCELED 12/30/2009 Prim Grp: Sec Grp: ACCAPRP Assign Type: Orig Due Date: 12/30/2009 Priority: Schedule Ref: Unit Condition:

Subject/Description:

ACIT-Harris:

Review root cause for NER application (ACIT) -Review Root Cause (996823-09) and evaluate for NER distribution on the TMI RB Contamination Event.Assign #: Aft Fac: 51 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 02/12/2010 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

EFRS Orig Due Date: 02/12/2010 Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (EFRS) -Measure of Effectiveness includes the following (outage):

1) Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of T1R18. 2) Perform one targeted observation of 100% of TMI RCAs per week for the remainder of the TIR18 outage beginning the week of 12/14/2009 and completing one week following breaker closure.Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub
  1. Aft Fac: Assign Type: 51/01 Assigned To: T902HML Status: Due Date: COMPLETE 12/21/2009 Three Mile Island Prim Grp: Sec Grp: A5531RP EFRS Orig Due Date: 12/21/2009 Priority: Schedule Ref: Unit Condition:

EFRS-Davis:

Targeted sweeps during outage (Wk 12/14/09) (EFRS) -Measure of Effectiveness includes the following (outage):

1) Zero occurrences of non-HEPA filtered vacuum cleaners Used in radiological controlled areas during the remainder of T1R18. 2)1 1 -.I I I .1 ....1 _. -... .... I_ .,

AR -Assignment Report Page 16 o -f 2q, ---', Subject/Description:

Perform one targeted observation sweep per week for the remainder of the TiR18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub

  1. 51/02 Assigned To: T902HML Status: Due Date: COMPLETE 12/27/2009 Aft Fac: Three Mile Island Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

EFRS Orig Due Date: 12/27/2009 Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (Wk 12/21/09) (EFRS) -Measure of Effectiveness includes the following (outage):

1) Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of T1R18. 2)Perform one targeted observation sweep per week for the remainder of the TIR18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub
  1. Aft Fac: Assign Type: 51/03 Three Mile Island Assigned To: T902HML Status: Due Date: COMPLETE 01/08/2010 Prim Grp: Sec Grp: A5531RP EFRS Orig Due Date: 01/04/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (Wk 12/28/09) (EFRS) -Measure of Effectiveness includes the following (outage):1)

Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of TIR18. 2)Perform one targeted observation sweep per week for the remainder of the T1R18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub

  1. 51/04 Three Mile Island Assigned To: T902HML Status: Due Date: COMPLETE 01/11/2010 Aft Fac: Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

EFRS Orig Due Date: 01/11/2010 Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (Wk 01/04/10) (EFRS) -Measure of Effectiveness includes the following (outage):

1) Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of T1R18. 2)Perform one targeted observation sweep per week for the remainder of the TIR18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub
  1. Aft Fac: Assign Type: 51/05 Three Mile Island Assigned To: T902HML Status: Due Date: COMPLETE 01/19/2010 Prim Grp: Sec Grp: A5531RP EFRS Orig Due Date: 01/19/2010 1-~ 1-tn. IInnrnnnnnr~

ronn mn, Ic.nnIoor~,lotIl?

or.nrt A P (~crxlot 1 I1QflA1C~1 /") Qr/1)l ()

, AR Assignment Report Page 17 of 29 Priority: Schedule Ref: Unit Condition:

Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (Wk 01/11/10) (EFRS) -Measure of Effectiveness includes the following (outage):1)

Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of T1R18. 2)Perform one targeted observation sweep per week for the remainder of the TIR18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub

  1. Aft Fac: 51/06 Three Mile Island EFRS Assigned To: DAVIRL Status: COMPLETE 01/25/2010 Prim Grp: Sec Grp: A5531RP Due Date: Assign Type: Priority: Schedule Ref: Orig Due Date: 01/25/2010 Unit Condition:

Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (Wk 01/18/10)Assign/Sub

  1. 51/07 Assigned To: DAVIRL Status: Due Date: ACC/ASG 02/01/2010 Aft Fac: Three Mile Island Prim Grp: Sec Grp: A5531RP Assign Type: EFRS Orig Due Date: 02/01/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

EFRS-Davis:

Targeted sweeps during outage (Wk 01/25/10) (EFRS) -Measure of Effectiveness includes the following (outage):1)

Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of T1R18. 2)Perform.one targeted observation sweep per week for the remainder of the T1R18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign #: Aft Fac: 52 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 12/03/2010 Prim Grp: Sec Grp: A5531RP Assign Type: EFRS Orig Due Date: 12/02/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

EFRS-Davis:

Targeted sweeps at power (EFRS) -Measure of Effectiveness includes the following (power operations):

1) Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the time frame of January 1, 2010 to November 12, 2010. 2) Perform one targeted observation of 100% of TMI RCAs every three months for the monitoring period after the completion of T1R18 beginning in February.

Document occurrences of RP-TM-500-1005 violations via the CAP system.Assign/Sub

  1. 52/01 Assigned To: DAVIRL Status: ACC/ASG Assign/Sub
  1. 52/01 Assigned To: DAVIRL Status: ACC/ASG I- --1 1 1 AR -Assignment Report Page 18 of 29'.Aft Fac: Three Mile Island Prim Grp: Sec Grp: A5531RP Due Date: 04/30/2010 Assign Type: Priority: Schedule Ref: Unit Condition:

EFRS Orig Due Date: 04/30/2010 Subject/Description:

EFRS-Davis:

Targeted sweeps at power (2/10 to 4/10) (EFRS) -Measure of Effectiveness includes the following (power operations):

1) Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the time frame of January 1, 2010 to November 12, 2010. 2) Perform one targeted observation sweep every three months for the monitoring period after the completion of T1R18 beginning in February.Document occurrences of RP-TM-500

-1005 violations via the CAP system.Assign/Sub

  1. Aft Fac: 52/02 Three Mile Island EFRS Assigned To: DAVIRL Status: Due Date: ACC/ASG 07/30/2010 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 07/30/2010 Subject/Description:

EFRS-Davis:

Targeted sweeps at power (4/10 to 7/10) (EFRS) -Measure of Effectiveness includes the following (power operations):1)

Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the time frame of January 1, 2010 to November 12, 2010. 2) Perform one targeted observation sweep every three months for the monitoring period after the completion of T1R18 beginning in February.Document occurrences of RP-TM-500

-1005 violations via the CAP system.Assign/Sub

  1. Aft Fac: 52/03 Three Mile Island EFRS Assigned To: DAVIRL Status: Due Date: ACC/ASG 10/29/2010 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 10/29/2010 Subject/Description:

EFRS-Davis:

Targeted sweeps at power (7/10 to 10/10) (EFRS) -Measure of Effectiveness includes the following (power operations):

1) Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the time frame of January 1, 2010 to November 12, 2010. 2) Perform one targeted observation sweep every three months for the monitoring period after the completion of T1R18 beginning in February.

Document occurrences of RP-TM-500

-1005 violations via the CAP system Assign/Sub

  1. 52/04 Assigned To: DAVIRL Status: Due Date: ACC/ASG 12/03/2010 Aft Fac: Three Mile Island EFRS Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 12/03/2010 EFRS-Davis:

Targeted sweeps at power (10/10 to 12/10) (EFRS) -Measure of 1 /10in ir AR f Assignment Repo Subject/Description:)rt Page 19 of 29 Effectiveness includes the following (power operations):1)

Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the time frame of January 1, 2010 to November 12, 2010. 2) Perform one targeted observation sweep every three months for the monitoring period after the completion of TIR18 beginning in February.

Document occurrences of RP-TM-500

-1005 violations via the CAP system Assign #: Aft Fac: 53 Three Mile Island MRC Assigned To: DAVIRL Status: Due Date: ACC/ASG 12/13/2010 Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 12/13/2010 Subject/Description:

EFR-Davis:

Collective EFR of CAPR/CA/EFR (EFR) Perform a collective effectiveness review of the root cause CAPR 996823-20, 996823-21, CA 996823-23, CA 996823-24, CA 996823-25, EFRS 996823-51, EFRS 996823-52 Assign #: Aft Fac: 54 Three Mile Island Assigned To: DAVIRL Status: Due Date: CANCELED 02/26/2010 Prim Grp: Sec Grp: A5531APR Assign Type: Priority: Schedule Ref: EFR Orig Due Date: 02/26/2010 Unit Condition:

Subject/Description:

EFR-Davis:

Interim EFR on outage sweeps checkin with MRC (EFR) Interim EFRS MRC Action:Present results of assignment 996823-51 to MRC (interim check-in on effectiveness review):(EFRS)

-Measure of Effectiveness includes the following (outage):1)

Zero occurrences of non-HEPA filtered vacuum cleaners used in radiological controlled areas during the remainder of T1R18. 2) Perform one targeted observation sweep per week for the remainder of the T1R18 outage beginning the week of 12/14/2009 and completing one week following breaker closure. Document weekly results on outage scorecards or in the FMS.Assign #: Aft Fac: 55 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 12/27/2010 Prim Grp: Sec Grp: A5531APR Assign Type: MRC Orig Due Date: 12/27/2010 Priority: Schedule Ref: Unit Condition:

MRC-Davis:

Final EFR Final EFR MRC Action:Present results of EFR assignment 996823-Subject/Description:

53 to MRC.(MRC) 996823-55 Assign #: Aft Fac: 56 Three Mile Island NER Assigned To: UOOOWOH Status: Due Date: COMPLETE 12/16/2009 Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Orig Due Date: 12/16/2009 I- ---I I.I .-

AR -Assignment Report Page 20 of 29 Schedule Ref: Unit Condition:

Subject/Description:

Review Completed RCR to Evaluate Need for Fleet-Wide Actions Document the screening of the completed Root Cause Report (RCR) and determine if any fleet-wide corrective actions are required based on the RCR findings.

Consult the SFAMs and SME, as necessary.

If additional actions are required, issue a Red or Yellow NER, as appropriate, in accordance with LS-AA-115-1004, "Processing of NERs and NNOEs." Assign #: Aft Fac: 57 Three Mile Island NNOE Assigned To: DAVIRL Status: Due Date: ACC/ASG 02/01/2010 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Orig Due Date: 02/01/2010 Unit Condition:

Subjruect/Descripion:

ACIT -Davis: Final NNOE Create and Distribute a final NNOE on the TMI RB Contamination Event.Assign #: Aft Fac: 58 Three Mile Island ACIT Assigned To: MMCGV Status: Due Date: ACC/ASG 01/29/2010 Prim Grp: Sec Grp: A5566PM Assign Type: Orig Due Date: 01/29/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

ACIT -Merchant:

Document Immediate Actions (ACIT) -Document, in detail, actions completed under the immediate actions table as described in in-progress notes.Assign #: Aft Fac: 59 Three Mile Island Assigned To: MMCGV Status: Due Date: ACC/ASG 02/12/2010 Prim Grp: Sec Grp: A5566PM Assign Type: MRC Orig Due Date: 02/12/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

MRC-Merchant:

Present #58 to MRC (MRC) -Present the results of Action # 996823-58 to the MRC.Assign #: Aft Fac: 60 Assigned To: U998R3H Status: Due Date: COMPLETE 01/29/2010 Three Mile Island ACIT Prim Grp: Sec Grp: A5510APR Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 01/29/2010 ACIT-Deboer:

Document immediate actions taken (ACIT) -Document, in detail, actions L++-. ____ A D Q-,1-+1 /I)OlQ 1('tI(

AR -Assignment Report Page 21 of 29 Subject/Description:

completed under the immediate actions table as described in In-progress notes.Assign #: 61 Assigned To: U000DD4 Status: Due Date: NTFY/ASG 02/12/2010 Aft Fac: Three Mile Island Prim Grp: Sec Grp: A5510APR Assign Type: Priority: Schedule Ref: MRC Orig Due Date: 02/12/2010 Unit Condition:

MRC-Deboer:

Present action 60 to MRC (MRC) -Present the results of Action # 996823-Subject/Description:

60 to the MRC Assign #: Aft Fac: 62 Three Mile Island ACIT Assigned To: DAVIRL Status: Due Date: ACC/ASG 01/29/2010 Prim Grp: Sec Grp: A5531APR Assign Type: Orig Due Date: 01/29/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

ACIT-Davis:

document immediate actions taken (ACIT) -Document, in detail, actions completed under the immediate actions table as described in the in-progress notes.Assign #: Aft Fac: 63 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 02/12/2010 Prim Grp: Sec Grp: A5531APR Assign Type: MRC Orig Due Date: 02/12/2010 Priority: Schedule Ref: Unit Condition:

MRC-Davis:

Present action 62 to MRC (MRC) -Present the results of Action # 996823-62 Subject/Description:

to the MRC.Assign #: Aft Fac: 64 Three Mile Island Assigned To: U002GPM Status: Due Date: ACC/PRI 02/25/2010 Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Schedule Ret: Unit Condition:

ACIT Orig Due Date: 02/25/2010 Subject/Description:

ACIT-McCarty:

Review fleet posting procedure (ACIT) -Review fleet posting procedure to ensure non-HEPA vacs are removed from an RCA when posted. (MRC was concerned that a non-HEPA equipped vacuum could end up in an RCA when a new RCA was created while the vacuum was stored in that area. The fleet review is to ensure there is a warning or instruction to be aware of this potential.)

Assign #: 65 Assigned To: UOO2GPM Status: ACC/ASG Assign #: 65 Assigned To: U002GPM Status: ACC/ASG I .. 11 AR -Assignment Report Page 22 of ý,9 Aft Fac: Three Mile Island Prim Grp: Sec Grp: A8077RP Due Date: 04/15/2010 Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 04/15/2010 Subject/Description:

LLIP -McCarty: Talking Points in RP-AA-350 (LLIP) -Incorporate talking points (Q&A)into the Personnel Contamination Event procedure (RP-AA-350) to pass out to workers following a WBC (Whole Body Count) or internal contamination event.Assign #: Aft Fac: 66 Three Mile Island LLI P Assigned To: U999DWE Status: Due Date-NTFY/ASG 02/26/2010 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 02/26/2010 Subject/Description:

LLIP -Ethridge:

WBC Wait Improvement (LLIP) -Develop a backup method to determine if workers are externally contaminated or have internal contamination.

This determination will enable workers to leave the site and come back .in 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> for a WBC instead of waiting for multiple hours for a WBC when dealing with large groups.Assign #: Aft Fac: 67 Three Mile Island Assigned To: DAVIRL Status: Due Date: ACC/ASG 03/26/2010 Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 Subject/Description:

LLIP -Davis: More Techs for WBC to CRC (LLIP) -Review a management proposal within the RP CRC (Curriculum Review Committee) to qualify more RP Technicians on WBC equipment.

This is to enable the use of the backup WBC equipment when multiple workers require a WBC to minimize wait time.Assign #: Aft Fac: 68 Three Mile Island Assigned To: UOO2GPM Status: Due Date: ACC/ASG 04/15/2010 Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 04/15/2010 Subject/Description:

LLIP -McCarty: Release from RCA in RP-AA-350 (LLIP) -Develop criteria in the Personnel Contamination Event procedure (RP-AA-350) to allow workers to be released from the RCA without passing a Personnel Contamination Monitor (PCM) or PM-7 (Personnel Monitor Model 7) to use the restroom with an RP escort.Assign #: 69 Assigned To: UOO2GPM Status: ACC/ASG Assign-#: 69 Assigned To: U002GPM Status: ACC/ASG 1-- .//--- ___ __ ____ ___ /___ /__-1 -M ___- An 0--1-I /n 0 11) t1% I fA AR Assignment Report Page 23 of 29 06/01/2010 Aft Fac: Three Mile Island Prim Grp: Sec Grp: A8077RP Due Date: Assign Type: LLIP Orig Due Date: 06/01/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

LLIP -McCarty: Develop Triage Procedure (LLIP) -Develop a corporate RP triage procedure.

This procedure will provide actions when dealing with a large number of personnel contamination events or workers with internal contamination.

Considerations within the procedure should include: creature comforts, alternate screening methods to release workers from the RCA without a WBC, corporate and site notifications, and the establishment of a log to track workers. This procedure should also include an evaluation for bringing in additional RPM's and RP Technical Support Managers to explain WBC printout sheets to workers prior to release from site while alarming a PM-7. Examples include: Ingestion versus inhalation potential, best estimate for elimination based on ingestion and inhalation flowpaths, biological and effective half-life.

The procedure should also contain an evaluation for additional RPM support following large scale refueling outage contamination events to support the site RPMs continued direct oversight and focus on refueling outage activities.

Assign #: Aft Fac: 70 Three Mile Island Assigned To: TSNJK Status: Due Date: NTFY/ASG 03/26/2010 Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Harris:

Cost Benefit for NaI to HPGe (LLIP) -Perform a cost benefit analysis for changing NaI WBC's at Exelon plants to HPGe in order to provide more accurate and timely assessments of worker internal dose.Assign #: Aff Fac: 71 Three Mile Island Assigned To: DRE01 Status: Due Date: NTFY/PRI 03/26/2010 Prim Grp: Sec Grp: A8931RP Assign Type: LLI P Orig Due Date: 03/26/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

LLIP-Moser:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aff Fac: 72 Three Mile Island LLIP Assigned To: ZONF1 Status: Due Date: ACC/ASG 03/26/2010 Prim Grp: Sec Grp: A8831RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/26/2010 LLIP-Thompson:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are AR -Assignment Report Page 24 of 29 Subject/Description:

appropriately established based on both on-line and shutdown isotopes.Assign #: Aff Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

73 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: QDCMZ A8431RP Status: Due Date: Orig Due Date: COMPLETE 03/26/2010 03/26/2010 LLIP-Collins:

Verify WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

74 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: BRZGV A8631RP Status: Due Date: Orig Due Date: NTFY/ASG 03/26/2010 03/26/2010 LLIP-Leasure:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

75 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: U001NJH A5231RP Status: Due Date: Orig Due Date: COMPLETE 03/26/2010 03/26/2010 LLIP-Lyate:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

76 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: U777KGW A5331RP Status: Due Date: Orig Due Date: NTFY/ASG 03/26/2010 03/26/2010 LLIP-Renda:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: 77 Three Mile Island Assigned To: Prim Grp: UOOORH2 A5431RP Status: Due Date: NTFY/PRI 03/26/2010 1_-__ _- -- __ __ I_ /__1 -M __ _- A TIC' ----I -1 11%0 11- fl '

AR -' Assignment Report Assign Type: LL Priority: Schedule Ref: Unit Condition:

LL Subject/Description:

.Page 25 of 29 Orig Due Date: 03/26/2010 1.IP Sec Grp:.IP-Holmes:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are ppropriately established based on both on-line and shutdown isotopes.'-1-Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

78 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: STOVJM AS131RP Status: Due Date: Orig Due Date: ACC/PRI 03/26/2010 03/26/2010 LLIP-Stovall:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

79 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: GLICDA A8331RP Status: Due Date: Orig Due Date: NTFY/ASG 03/26/2010 03/26/2010 LLIP-Bush:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

Subject/Description:

80 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: DAVIRL A5531RP Status: Due Date: Orig Due Date: ACC/ASG 03/26/2010 03/26/2010 LLIP-Davis:

Validate WBC Libraries (LLIP) -Validate that WBC libraries are appropriately established based on both on-line and shutdown isotopes.Assign #: Aft Fac: Assign Type: Priority: Schedule Ref: Unit Condition:

81 Three Mile Island LLIP Assigned To: Prim Grp: Sec Grp: TSNJK A8077RP Status: Due Date: Orig Due Date: NTFY/ASG 03/26/2010 03/26/2010 I- -_ 1 -, /1 -.... , A r ý T I 1 AR -Assignment Report Ug f .Page 26 ot" 29.:-Subject/Description:

LLIP-McCarty:

Delete MDA from WBC Prints (LLIP) -Review in the RP RTE peer group the lesson learned for deleting Minimal Detectable Activity (MDA) values on WBC printouts in order to not confuse workers who read their own WBC printouts.

Assign #: Aft Fac: 82 Three Mile Island LLIP Assigned To: DRE01 Status: Due Date: NTFY/PRI 03/26/2010 Prim Grp: Sec Grp: A8931RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Moser:

RPM review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 83 Three Mile Island Assigned To: ZONF1 Status: Due Date: ACC/ASG 03/26/2010 Prim Grp: Sec Grp: A8831RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Thompson:

RPM review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 84 Assigned To: ZONUC Status: Due Date: NTFY/ASG 03/26/2010 Three Mile Island Prim Grp: Sec Grp: A8431RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Collins:

RPM review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 85 Assigned To: BRWQU Status: Due Date: NTFY/ASG 03/26/2010 Three Mile Island LLIP Prim Grp: Sec Grp: A8631RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/26/2010 1 /1" 0 "IA 1 A AR -Assignment Report Page 27 of 29 Subject/Description:

LLIP-Leasure:

RPM review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: 86 Assigned To: U002MAL Status: Due Date: ACC/ASG 03/26/2010 Aft Fac: Three Mile Island LLI P Prim Grp: Sec Grp: A5231RP Assign Type: Orig Due Date: 03/26/2010 Priority: Schedule Ref: Unit Condition:

Subject/Description:

LLIP-Lyate:

RPM Review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 87 Three Mile Island Assigned To: U998J3R Status: Due Date: ACC/ASG 03/26/2010 Prim Grp: Sec Grp: A5331RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Renda:

RPM Review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 88 Assigned To: UOOORH2 Status: Due Date: NTFY/PRI 03/26/2010 Three Mile Island LLIP Prim Grp: Sec Grp: A5431RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Holmes:

RPM Review of RP Communications (LLIP) -Take'action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 89 Assigned To: STOVJM Status: Due Date: ACC/PRI 03/26/2010 Three Mile Island Prim Grp: Sec Grp: A5131RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 AR -Assignment Report Page 28 Of 29.Subject/Description:

LLIP-Stovall:

RPM Review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 90 Assigned To: DRDI3 Status: Due Date: NTFY/PRI 03/26/2010 Three Mile Island LLIP Prim Grp: Sec Grp: A8331RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Bush:

RPM Review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 91 Assigned To: DAVIRL Status: Due Date: ACC/ASG 03/26/2010 Three Mile Island Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

LLIP Orig Due Date: 03/26/2010 Subject/Description:

LLIP-Davis:

RPM Review of RP Communications (LLIP) -Take action to ensure that the site RP Manager reviews all external Exelon communications involving radiological events to validate accuracy of the information that is being released external to Exelon.Document actions taken / create actions as necessary.

Assign #: Aft Fac: 92 Assigned To: TSNJK Status: Due Date: NTFY/ASG 04/15/2010 Three Mile Island LLIP Prim Grp: Sec Grp: A8077RP Assign Type: Priority: Schedule Ref: Unit Condition:

Orig Due Date: 04/15/2010 Subject/Description:

LLIP-Kucznski:

RP-AA-220 review for WBC printout release (LLIP) -Review the addition of procedural guidance in the Bioassay Procedure (RP-AA-220) for release of WBC printout sheets to workers following an intake with the RP RTE peer group. This will improve worker trust in the RP organization.

Assign #: Aft Fac: 93 Assigned To: T902HML Status: Due Date: ACC/ASG 04/22/2010 Three Mile Island Prim Grp: Sec Grp: A5531RP Assign Type: Priority: Schedule Ref: Unit Condition:

CA Orig Due Date: 04/22/2010 1 /no( I'/n , 1 /

.'AR Assignment Report Page 29 of 29 Subject/Description:

Ensure RPT BLC Compl Read & Sign, IR 996823, CAs 21,36,41 I --.- .I I I .-.I --.1. .

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