ML023390072
| ML023390072 | |
| Person / Time | |
|---|---|
| Site: | Three Mile Island  |
| Issue date: | 11/27/2002 |
| From: | AmerGen Energy Co |
| To: | Document Control Desk, Office of Nuclear Security and Incident Response |
| References | |
| -RFPFR, 20020528 EPIP-TMI-.07 Rev 12 | |
| Download: ML023390072 (21) | |
Text
INFO CTRL EPIP/TEP Instruction Memo rip
- Backup TSC,NOB-3 B. Siebler
- Bureau of Rad Protection M. Vyenielo Date l[ a" .. Verif: t- Box No. Cý TI If T __
Central File D. Marshbank Plain '1
- Control Rm-U/1 File Convy 00-I S. Van Ormer Please update your file with the attached listed below, destroy the superseded/cancelled document(s). Also, if Control Rm - Shift Mgrs Office, 600 S. Van Ormer Controlled Documents please sign the acknowledgment at the bottom of this memo and return to Debbie
- Control Rm - CRS Workstation, OOB-1 S. Van Ormer Marshbank, Configuration Cntrl., Rm. 135, SOB
".1 Coatesville EOF, Kennett Square R. Rogers
- Document Center, NOB-2 IKON TC Page TC/PROC
-Locumen Control LeSK,, LabelDCI- =m Document Number Rev NUMBER Replac. Entire Cid Level "EACC, EO F MION F P1.P--:-H!J,- .0-7
- Emerg. Prep. Dept. D. Light i
- EP Drills, Trng. Bldg.
ESD, EOF MON ADDITIONAL DISTRIBUTION:
ESD Asst., EOF IKON I 3H C 3H Environ. Affairs-TMI, NOB-1 W. Ressler GLRE&C, EOF MON Kennett EOF, Kennet Square R. Rogers Logisitcal Support, EOF MON -1_
- NRC - Onsite, Service Bldg. P. Sauder
- NRC - Region 1, (Chief EP Section) N. McNama -2
- PEMA - Bureau of Plans D. Fleck PI Rep, EOF MON PersonnnellVehicle Monitor Kit Trng Ctr. T. Berstler
- Plant Maint. (Librarv). Serv. BIde. J. Eckroth RLM, Rad Field Ops. T. Berstler Rad Con -RAC Locker, Rad Field Ops. T. Berstler .1 Rad Con -Kit 1 PC. Rad Field Ons. T. Berstler I hereby acknowledge receipt of this memo and have complied with the instructions. Signature and returned memo Rad Con -Kit 2 PC, Rad Field Ops. T. Berstler required ONLY if CONTROLLED.
Rad Con-Kit 3 EOF Bldg Rad Field Ops T. Berstler Signature Date Rad Con-Kit 4 EOF Bide Rad Field Ons. T. Berstler Rad Con-Kit 5 EOF Bldg Rad Field Ops. T. Berstler Procedure Distribution:
Rad Con-Simulator Locker.Rad Field Ops T. Berstler
- Rad Engineers-Ul, OOB T. Griffith -_1 Info Copy . Stapled, 3 Hole Punch Memo Distribution:
- Rad Instrument, Bldg. 159 T. Griffith Secondary Chem Lab-, OOB-1 S. Van Ormer / Copies
- Security Mgr., PC M. Bruecks -1 Ctrl CopyA. Stapled, 3 Hole Punch Security U-I, PC
- Simulator Rm/File Copy M. Bruecks 7__1 Plain Copy 2 Stapled (Central File & Record Box)
IKON Simulator Rm - Shift Mgrs Office MON .1
- Simulator Rm - CRS Workstation MON
-*7 TC Distribution:
-2
- TSC - Unit 1, NOB-3 '__ ___ Plain Copies Stapled, 3-hole punch B. Siebler
- Training Dept. Library, Trng
- OSC, Rad Field Ops..
C. Flory *C__ __Plain Copy Stapled, 3-hole punch for Central File (if TC is original) (3\
T. Berstler Record Box, SOB + History Package S. Zimmerman Plain 09/06/02
__________________________________ _____________ L _______ L _______ I
FOR INFORMATION ONLY Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 Applicability/Scope USAGE LEVEL Effective Date All TMI RAC Emergency Response Personnel 2 11127102 This document is within QA plan scope IX IYes I* No 50 59 Applicable X IYes No List of Effective Pages Page Revision Page Revision Paqe Revision Page Revision 1 12 2 12 3 12 4 12 5 12 6 12 7 12 8 12 9 12 10 12 11 12 12 12 13 12 14 12
<15 12 16 12 17 12 18 12 19 12 20 12 1
Number TVTMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No.
Activation of the RAC 12 1.0 PURPOSE The purpose of this procedure is to provide guidelines for the Radiological Assessment Coordinator (RAC) to activate the radiological assessment function.
2.0 APPLICABILITYISCOPE This procedure is applicable to the TMI Radiological Assessment Coordinator and Radiological Support Personnel.
3.0 DEFINITIONS None 4.0 RESPONSIBILITIES 4.1 The on-shift RAC is responsible for implementing Exhibit 1.
4.2 The Initial Response Emergency Organization (IREO) (RAC) is responsible for implementing Exhibit 2.
4.3 Radiological Support Personnel are responsible for implementing Exhibits 3 through Exhibits 5 K>5.0 PROCEDURE 5.1 This procedure is to be initiated upon declaration of any Emergency Classification specified in the Emergency Plan or when directed by the Emergency Director.
5.2 Emergency Actions NOTE The steps in this section are based on the expected sequence of activation of the RAC. The actual sequence should be based on when qualified personnel arrive in the facility.
A The on-shift RAC shall activate the radiological assessment function by reporting to the Control Room and performing the steps in the on-shift RAC checklist (Exhibit 1) 2
Number "TMI- Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 B. The IREO RAC shall relieve the on-shift RAC and direct the radiological assessment function by assigning appropriate personnel to assume those positions and perform the actions listed for those positions as follows (in the absence of appropriate personnel, the Radiological Assessment Coordinator shall assume these positions and perform the essential actions for those positions):
- Radiological
_ Assessment Coordinator (RAC):
Report to Emergency Control Center and perform the RAC Checklist (Exhibit 2).
0 Radiological Engineering Support:
Report to the Emergency Control Center and complete the Radiological Engineering Support Checklist (Exhibit 3) 0*Radiological Line Communicator (RAC Support Staff):
Report to the Emergency Control Center and complete the Radiological Line Communicator Checklist (Exhibit 4).
a*RAC/OSC Communicator (RAC Support Staff):
K)Report to the Emergency Control Center and complete the RAC/OSC Communicator Checklist (Exhibit 5).
5.3 Final Conditions 5.3.1 The radiological assessment function is operational with the desired positions manned and functional. Communications are established.
5.4 Post Event Actions 5.4.1 An inventory of the RAC Area of the ECC is required to be performed by the end of the workday following the end of the event. The inventory is the responsibility of Rad Con Field Operations. Notify the Manager, Rad Con Field Ops. of the need to perform the inventory in accordance with Procedure TEP-ADM-1300.01, Maintaining Emergency Preparedness.
6.0 REFERENCES
6.1 TMI Emergency Plan 6.2 TMI Emergency Plan Implementing Procedures 6.3 6610-PLN-4200.02, Emergency Dose Calculation Manual (EDCM) 3
Number
- TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No.
Activation of the RAC 12 7.0 EXHIBITS Exhibit 1 - On-Shift RAC Checklist Exhibit 2 - IREO Duty Roster RAC Checklist Exhibit 3 - Radiological Engineering Support Checklist Exhibit 4 - Radiological Line Communicator Checklist Exhibit 5 - RAC/OSC Communicator Checklist 4
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT I Page 1 of 5 On-Shift RAC Checklist 10 The On-Shift RAC should perform the following until relieved by the IREO RAC or by a more senior qualified individual. This checklist need not be completed by the On-Shift RAC prior to turnover per Step 1.11.
NOTE The bold underlined steps below are particularly important in the early stages of an emergency. They should be performed promptly and in an orderly manner.
1.1 Energize the RAC Computer 1.2 Start a log of activities performed.
1.3 Call out additional resources if they are needed. If no additional resources are needed at this time, skip the step but reconsider it later as needs change.
1.3.1 For the duty roster RAC, determine from the Emergency Director (ED) if the duty roster has been called out. If not, get the RAC's phone number from the ED and call him/her.
1.3.2 For call-out of additional R.C. Techs, obtain (or have someone obtain) phone numbers from the Rad Con Field Ops phone list and call (or have someone call) the needed techs.
1.4 Determine release pathway. Consult with the ED or his/her designee to determine the pathway of any radioactive releases from the plant.
NOTE Refer to the Emergency Dose Assessment User's Manual section of the EDCM located in the RAC locker for guidance in performing dose projections.
5
Number I-TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT I Page 2 of 5 1.5 Obtain and validate the initial dose projection within 15 minutes.
NOTE Dose projections should be performed even in cases involving a declared emergency of a non-radiological nature.
1.5.1 Select the RAC Spreadsheet icon from the desktop of the RAC Computer.
1.5.2 Go to the release pathway specified by the ED.
1.5 2.1 Select the Update Plant Data option to import PPM and Met Data 1.5 2.2 If the pathway is being monitored by an RMS monitor, use the RMS option for that pathway.
1.5 2.3 If the pathway is not being monitored by an RMS monitor, use the leak rate option for that pathway.
1.5 2.4 Verify that the PPM and Met Data is current (15 minutes old or less). If not, all data will need to be input manually.
1.5.2.5 Enter data not available from the PPM as specified by the input sheet.
1.5.2.6 Edit any PPM or Met Data that is not believed to be accurate.
1.5 2.7 Print dose projection 1.5.3 Validate the dose projection by performing the following checks:
0 Verify that the correct release pathway is being used.
0 Verify that the monitor input data is accurate and appropriate (e.g no calibrations in progress) 0 Verify the release duration with the ED.
- Verify that the dose projection results are consistent with other indications.
1.5.4 Save the dose projection to the LAN.
1.5.5 Use the Total Dose Option to verify no other pathways are contributing to the offsite dose.
1.5.6 If power is lost to the RAC computer, request assistance from Operations in obtaining power. An extension cord is available in the RAC locker.
1.6 Review the dose proiection with the ED. Ensure the ED understands the nature of the dose projection (e.g. bounding calculation, contingency projection, "what-if', etc ) and the precision or uncertainty associated with the dose projection.
1.7 Review the Emergency Classification with the ED as it relates to current radiological parameters and evaluate the need to escalate to a higher classification 6
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 iT~tle Revision No.
Activation of the RAC 12 EXHIBIT I Page 3 of 5 1.8 Advise the ED on any of the following issues if they apply. Skip any that do not apply but reconsider them as the emergency conditions change.
- Protective Action Recommendations (PAR) (see the PAR logic diagram in procedure EPIP-TMI-.02, Emergency Direction, available from the ED).
- On-site assembly and site evacuation of non-essential personnel (see the table at the end of this exhibit for guidance).
NOTE The automated Emergency Report Form that is produced by ED automatically suggests assembly location and evacuation routes contained on the table in this exhibit.
- Contaminated and/or injured employees and any decontamination efforts.
1.9 Consider dispatching a field monitorinq team ifthe dose projection indicates the potential for abnormal radiological conditions off-site.
1.9.1 To activate field teams:
- Perform radio checks with the field team(s)
- Assign and record field team designations (e.g. Alpha, Bravo, etc)
- Obtain and record names and SSN's for all field team members.
- Obtain and record year-to-date TEDE for all field team members.
- Inform team members of the current wind direction and speed and display it on the EPZ map.
1.9.2 Field monitoring team placement and direction: consider the following guidelines for placing and directing field team(s).
A. For ground level releases (highest doses projected at site boundary)
- Place the first field team downwind at the site boundary.
- Place the second team (if dispatched) off-site, downwind and as near to the site as possible 7
Number T-, TMI- Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT 1 Page 4 of 5 B For elevated releases (highest doses projected at some distance from the site)
Place the first field team downwind at the location where the highest dose is projected.
Place the second team (if dispatched) downwind nearer to the site than the first team (results from this team aid in determining if the plume touched down closer than projected)
C. Instruct the team(s) to scan across the plume and attempt to locate plume centerline.
Provide a definite start point, direction of travel and an end point for scanning (e.g. "scan for plume centerline starting at NNE31, travel toward the Southeast passing through NE31 and continue to ENE31").
1.10 BRP call back: Within 45 minutes of event declaration notify the ECC Communications Coordinator whether the BRP has called back to the RAC.
1.11 Provide a turnover to the IREO RAC upon arrival.
8
EPIP-TMI-.07 Revision 12 EXHIBIT I Page 5 of 5 On-Shift RAC Checklist Guidelines for Selection of On-Site Emergency Assembly Area and Evacuation Route for Non-Essential Personnel Off-Site Remote On-Site Emergency Gate To Be Assembly Area To Wind Direction Assembly Area To Route to Emergency Used For Site Be Used For Site (from) Use Assembly Area Evacuation Evacuation 10 to 800 Warehouse I Personnel in the NOB, OSF, North Gate Training Center Protected Area and other locations near Unit 1 use most direct route to Warehouse 1.
Personnel in the Unit 2 Admin Bldg, Bldg 222, Transportation and other locations near Unit 2 travel by personal vehicle to Warehouse 1.
81° to 1700 Warehouse 3 Personnel in the NOB, OSF, North Gate Training Center Protected Area and other locations near Unit I walk to Warehouse 3 via the East side of the plant.
Personnel in the Unit 2 Admin Bldg, Bldg 222, Transportation and other locations near Unit 2 use most direct route to
+ 4-Warehouse 3. .4 .4.
1710 to 2400 Warehouse 3 Personnel in the NOB, OSF, South Gate Training Center Protected Area and other locations near Unit 1 should go directly to their personal vehicles and drive to the parking lot south of the Unit 2 Admin Bldg and then walk to Warehouse 3.
Personnel in the Unit 2 Admin Bldg, Bldg 222, Transportation and other locations near Unit 2 should use the most direct route to Warehouse 3.
2410 to 3200 Warehouse I All site personnel should take North Gate Training Center or the most direct route to EOF Warehouse 1. (see Note) 3210 to 3600 Warehouse 1 All site personnel should take North Gate Training Center the most direct route to Warehouse 1.
NOTE Use the Training Center as the Off-Site Remote Assembly Area unless the Dose Projection between the Exclusion Area Boundary and I mile is greater than 5 mREM/hr CDE or I mREM/hr TEDE.
9
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT 2 Page 1 of 5 IREO Duty Roster RAC Checklist 1.0 The IREO RAC should perform the following upon reporting to the Emergency Control Center:
1.1 Obtain a turnover from the On-Shift RAC if staffed. If the on-shift RAC position was not staffed skip to Step 1.2.
1.2 Review Exhibit I and ensure applicable steps have been implemented.
NOTE The following steps should be considered and, if needed, implemented.
These steps need not be performed in the sequence listed and may be performed multiple times. The RAC should periodically review this checklist to ensure that necessary steps are being performed.
A Assign personnel to staff positions described in Exhibits 3 through 5.
B. Maintain a log of activities performed.
C. Refer to the Emer. Dose Assessment User's Manual contained in the EDCM (Ref. 6 3) for dose assessment guidance.
D. Review dose projections with the ED.
0 Ensure the ED understands the nature of the dose projection (e.g. bounding calculation, contingency projection, "what-if', etc.) and the precision or uncertainty associated with the dose projection.
E. Advise the ED on:
0 Protective Action Recommendations (PAR) (see the PAR logic diagram in procedure EPIP-TMI-.02, Emergency Direction, available from the ED) 0 On-site assembly and site evacuation of non-essential personnel (see the table at the end of this exhibit for guidance).
0 Radiological conditions:
- In-plant (including habitability concerns in emergency facilities),
- On-site and Off-site 10
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT 2 Page 2 of 5 NOTE Consideration should be given to locations on-site where personnel may remain. Examples are:
- Security Posts
- Warehouses
- Communications
- Medical Employee doses and emergency dose extensions.
0 Contaminated employees, decontamination efforts and any use of Thyroid Blocking agent.
F. Emergency classifications: Recommend emergency classifications to the ED based on radiological conditions and Emergency Action Levels (EAL).
G. Fuel damage assessment: Provide any necessary assistance to the TSC for the assessment of fuel damage and report results to the ED.
NOTE While the RAC should provide assistance to the TSC in assessing the degree of core damage, the 'official' damage assessment values will be determined by the TSC.
H. Primary to secondary leak rate determination: If a primary to secondary leak exists, use the Emer. Dose Assessment User's Manual contained in the EDCM (Ref. 6 3) to assist in determining primary to secondary leak rate. Coordinate with the TSC in making this determination.
NOTE While the RAC should provide assistance to the TSC in estimating the primary to secondary leak rate, the 'official' leak rate values will be determined by the TSC.
When the EACC is staffed turn over field monitoring teams to the EACC.
J Dose projection/field readings comparison: use the following guidance for comparing field readings (field team or Reuter Stokes readings) and dose projections.
If field readings are within a factor of 10 less than (and no._t more than) the corresponding projected value, a very good correlation exist between the two.
Field iodine sample results, after being converted to thyroid dose rate (CDE per hour), can be directly compared to projected thyroid dose rate.
11
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No.
Activation of the RAC 12 EXHIBIT 2 Page 3 of 5 Field team closed window dose rates and Reuter Stokes readings can be compared with DDE values in dose projections.
There is no dose projection value that corresponds directly to field team open window readings. Open window readings that are higher than closed window readings indicate that the plume is at ground level at that location.
K. Samples: Consider the need for special samples (e.g. MAP-5, CATPASS, RCS-PAS) to provide more precise source term data for dose projections.
Samples taken directly from the effluent pathway (e g. condenser off-gas, MAP-5, etc) provide the most precise source term data.
A sample from the Reactor Building atmosphere (i.e. CATPASS) will improve the precision of source term data for releases from the Reactor Building but will likely be less precise than effluent samples.
RCS sample results are useful in determining the extent of fuel damage and can be used to improve the precision of the source term but to less an extent than effluent samples.
K>NOTE The Emer. Dose Assessment User's Manual contained in the EDCM (Ref. 6.3) provides guidance on which sample(s) to obtain under various conditions.
L. Communication with BRP: Establish communication with the Bureau of Radiological Protection (BRP) and provide TMI dose projections to them.
M. Communication with NRC: If the NRC requests continuous communication on the Health Physics Network (HPN), establish and maintain communication on the HPN with them and:
Assign an extra RAC staff member as soon as one is available or, Request an additional communicator from the ED Assistant.
N. Coordinate all Radiological Controls activities on-site, including:
Access control to areas affected by the emergency.
Personnel dose monitoring and control (including dose extensions).
In-plant surveys and samples 12
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT 2 Page 4 of 5
- 0. Thyroid Blocking: Implement the Thyroid Blocking procedure (EPIP-COM-.44) if it is anticipated that person(s) will be exposed to quantities of radioiodine sufficient to cause a thyroid dose of 25 REM (CDE) or greater.
P. Interface with the Group Leader- Radiological and Environmental Controls (GL-R&EC) regarding:
- Dose projections
- In-plant and on-site conditions Protective actions Q. Recommend source term reduction techniques appropriate to the release pathway (e.g. RB spray, raising OTSG levels, etc). See the Emergency Dose Assessment User's Manual in Ref 6.3 for specific information R Evaluate the need for eating and drinking restrictions in-plant.
If results of habitability monitoring allow, recommend that the E.D. lift restrictions, as needed.
- Ensure habitability monitoring continues.
S. Review radiological information in press releases. Specific examples of radiological information that should not be included in press releases are:
0 Dose projections 0 Protective action recommendations 0 Technical terms 0 Acronyms and abbreviations T. Trend effluent release data, RMS, sample results, field team readings and dose projections.
U. Establish a watch bill to cover the RAC and all staff positions on a 24 hour-per-day basis.
13
EPIP-TMI-.07 Revision 12 EXHIBIT 2 Page 5 of 5 IREO Duty Roster RAC Checklist Guidelines for Selection of On-Site Emergency Assembly Area and Evacuation Route for Non-Essential Personnel Off-Site Remote On-Site Emergency Gate To Be Assembly Area To Wind Direction Assembly Area To Route to Emergency Used For Site Be Used For Site (from) Use Assembly Area Evacuation Evacuation 10 to 800 Warehouse 1 Personnel in the NOB, OSF, North Gate Training Center Protected Area and other locations near Unit 1 use most direct route to Warehouse 1.
Personnel in the Unit 2 Admin Bldg, Bldg 222, Transportation and other locations near Unit 2 travel by personal vehicle to Warehouse 1.
810 to 1700 Warehouse 3 Personnel in the NOB, OSF, North Gate Training Center Protected Area and other locations near Unit 1 walk to Warehouse 3 via the East side of the plant.
Personnel in the Unit 2 Admin Bldg, Bldg 222, Transportation and other locations near Unit 2 use most direct route to
. _ _ _ _ _ _ Warehouse 3.
1710 to 2400 Warehouse 3 Personnel in the NOB, OSF, South Gate Training Center Protected Area and other locations near Unit 1 should go directly to their personal vehicles and drive to the parking lot south of the Unit 2 Admin Bldg and then walk to Warehouse 3.
Personnel in the Unit 2 Admin Bldg, Bldg 222, Transportation and other locations near Unit 2 should use the most direct route to Warehouse 3.
2410 to 3200 Warehouse I All site personnel should take North Gate Training Center or the most direct route to EOF Warehouse 1. (see Note) 3210 to 3600 Warehouse I All site personnel should take North Gate Training Center the most direct route to Warehouse 1.
NOTE Use the Training Center as the Off-Site Remote Assembly Area unless the Dose Projection between the Exclusion Area Boundary and 1 mile is greater than 5 mREM/hr CDE or I mREM/hr TEDE.
14
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No.
Activation of the RAC 12 EXHIBIT 3 Page 1 of 3 Radiological Engineering Support Engineer Checklist 1.0 Perform the following:
NOTE The following steps should be considered and, if needed, implemented These steps need not be performed in the sequence listed and may be performed multiple times. The RESE should periodically review this checklist to ensure that necessary steps are being performed.
A. Start a log of activities performed B. Perform dose projections using the RAC computer.
NOTE Dose projections should be performed even in cases involving a declared emergency of a non-radiological nature.
S* Refer to the Emergency Dose Assessment User's Manual contained in the EDCM (Ref. 6 3) for guidance.
- Validate dose projections. Perform the following checks in coordination with the RAC:
- Verify that the correct release pathway is being used.
- Verify that the monitor input data is accurate and appropriate (e.g. no calibrations in progress)
- Verify the release duration.
- Verify that the dose projection results are consistent with other indications.
- Verify that the PPM and Met data are not more than 15 minutes old.
- If power is lost to the RAC computer, request assistance from Operations in obtaining power. An extension cord is available in the RAC locker.
C. Save validated dose projections to the LAN.
D. Determine and log the time of reactor shut down.
E. Communicate with the GL-R&EC and the EACC.
F. Trend dose projections.
G. Generate source term data: Edit input parameters and input sample results to refine the source term.
15
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT 3 Page 2 of 3 H. Met. and forecast data: Obtain current meteorological data and weather forecast data (short and long term) from the EACC for:
- Dose projections (e.g. "what if' projections)
- Plume tracking
- Site evacuation planning
- Off-site protective action planning Evaluate the following inputs to verify that dose projections reflect actual conditions
- Plant conditions
- RMS data
- RCS activity
- Spiking factors
- Meteorological data.
J. Confirm dose projections by comparing with field team readings and/or Reuter Stokes readings.
If field readings are within a factor of 10 less than, and not more than, the corresponding projected value a very good correlation exits.
Field iodine sample results, after being converted to thyroid dose rate (CDE per hour),
should only be compared to projected thyroid dose rate.
Field team closed window dose rates and Reuter Stokes readings can be compared with DDE values in dose projections.
There is no dose projection value that corresponds directly to field team open window readings. Open window readings that are higher than closed window readings indicate that the plume is at ground level at that location.
K. Discuss Protective Action Recommendations (PAR) and Protective Action Guidelines (PAG) I with the RAC.
The PAR logic diagram is contained in procedure EPIP-TMI-.02, Emergency Direction, available from the ED.
L. Perform "what if" dose projections based on potential or anticipated:
- Plant status changes
- Meteorological changes 16
Number I TMI- Unit 1 Emergency Procedure EPIP-TMI-.07 Title Revision No Activation of the RAC 12 EXHIBIT 3 Page 3 of 3 M. Coordinate with the TSC. Assist the RAC in coordinating with the TSC for:
Primary to secondary leak rate determination. Use the Emergency Dose Assessment User's Manual (Ref. 6.3) for guidance.
Fuel damage class determination.
- The TSC will produce the "official" damage class value.
- Provide input using the guidance in Emergency Dose Assessment User's Manual (Ref. 6.3)
- Update dose projection system as appropriate.
17
Number TM] - Unit I Emergency Procedure EPIP-TMI-.07 Title Revision No.
Activation of the RAC 12 EXHIBIT 4 Page 1 of 1 Radiological Line Communicator Checklist 1.0 Perform the following.
NOTE The following steps should be considered and, if needed, implemented.
These steps need not be performed in the sequence listed and may be performed multiple times. The Radiological Line Communicator should periodically review this checklist to ensure that necessary steps are being performed.
A. Maintain a log of information sent and received.
B. Communicate with the following:
- Group Leader - Radiological and Environmental Controls (GL-R&EC) at the EOF
- Bureau of Radiological Protection (BRP)
S* Nuclear Regulatory Commission (on the HPN line)
C Provide a briefing on current plant status and recent changes to all persons on the Radiological Line.
D. Pass requests from the RAC for off-site support to the EOF. Examples are
- Rad Con Technicians from other plants
- Equipment (e.g , radiation monitors, etc.)
- Whole Body Counting E. If the NRC requests continuous communication on the HPN, establish and maintain communication on the HPN with them and request the RAC:
- Assign an extra RAC staff member to man the HPN as soon as one is available or,
18
Number TMI- Unit 1 Emergency Procedure EPIP-TMI-.07 T~itle Revision No Activation of the RAC 12 EXHIBIT 5 Page 1 of 2 RAC/OSC Communicator Checklist 1.0 Perform the following NOTE The following steps should be considered and, if needed, implemented.
These steps need not be performed in the sequence listed and may be performed multiple times. The RAC/OSC Communicator should periodically review this checklist to ensure that necessary steps are being performed A. Communicate between RAC and OSC B. Communicate with the Remote Assembly Area Personnel C. Maintain a Log of activities performed D. Provide Event Update to Rad Con Personnel in OSC E. Collect information on contaminated/injured personnel F. Handle requests for:
- Activation of on/offsite field teams
- In-Plant Radiological data, (surveys - dose rates, contamination levels)
- Medical emergency information
- Search and Rescue Information
- Repair Team Information
- Vehicle/Personnel Contamination Surveys for Site Evacuation.
G. Interface for obtaining accident samples and sample results:
CATPASS: Containment Atmospheric Post Accident Sampling System MAP-5: Particulate and Radioiodine Sample System on effluent pathways RCS PASS: Reactor Coolant System Post Accident Sampling System Radiation Monitoring System (RMS) samples for particulate, radioiodine, noble gas and tritium Other plant samples as required (OTSG, secondary) 19
Number TMI - Unit 1 Emergency Procedure EPIP-TMI-.07
/itle Revision No Activation of the RAC 12 EXHIBIT 5 Page 2 of 2 H. Provide Guidance from RAC on in-plant radiological controls
- Keep OSC updated on events that may alter radiological conditions in the plant
- Radiation Controls - e g., posting of Turbine Building
- 1. Obtain data on:
0 Skin contaminations - levels and location of contamination 0 Dose extensions - extension limits, purpose of extensions, personnel receiving extensions 0 Personnel injuries - any radiological concerns J. Provide priority from the RAC to the Chemistry Coordinator on accident samples and analysis.
20