ML031920138
| ML031920138 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 06/27/2003 |
| From: | Susquehanna |
| To: | Document Control Desk, Office of Nuclear Security and Incident Response |
| References | |
| 28401 EP-PS-244, Rev 7 | |
| Download: ML031920138 (25) | |
Text
Jun. 27, 2003 Page 1 of 1 MANUAL HARD COPY DISTRIBUTION DOCUMENT TRANSMITTAL 2003-30850 V.ZER INFORMATIO/
NS Me: LACH I SE M EMPL#:28401 CA#:0363 Ad ress: 2 Ph e: 54-31 TRANSMITTAL INFORMATION:
TO: W e 22f if 06/27/2003 LOCATION: DOCUMENT CONTROL DESK FROM: NUCLEAR RECORDS DOCUMENT CONTROL CENTER (NUCSA-2)
THE FOLLOWING CHANGES HAVE OCCURRED TO THE HARDCOPY OR ELECTRONIC MANUAL ASSIGNED TO YOU:
244 - 244 - DOSE ASSESSMENT STAFFER REMOVE MANUAL TABLE OF CONTENTS DATE: 06/24/2003 ADD MANUAL TABLE OF CONTENTS DATE: 06/26/2003 CATEGORY: PROCEDURES TYPE: EP ID: EP-PS-244 REMOVE: REV:6 ADD: REV: 7 UPDATES FOR HARD COPY MANUALS WILL BE DISTRIBUTED WITHIN 5 DAYS IN ACCORDANCE WITH DEPARTMENT PROCEDURES. PLEASE MAKE ALL CHANGES AND ACKNOWLEDGE COMPLETE IN YOUR NIMS INBOX UPON RECEIPT OF HARD COPY. FOR ELECTRONIC MANUAL USERS, ELECTRONICALLY REVIEW THE APPROPRIATE DOCUMENTS AND ACKNOWLEDGE COMPLETE IN YOUR NIMS INBOX.
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PROCEDURE COVER SHEET PPL SUSQUEHANNA, LLC NUCLEAR DEPARTMENT PROCEDURE EOF DOSE ASSESSMENT STAFFER: EP-PS-244 Emergency-Plan-Position-Specific Instruction Revision 7 Page 1 of 5 QUALITY CLASSIFICATION: APPROVAL CLA lSIFCATION:
( ) QA Program (X) Non-QA Program ( ) Plari< /< ) Non-Plant
( X) Jnstructo /
EFFECTIVE DATIt \ ; ,
PERIODIC REVIEW FREQU1EQY!CY 2 Years PERIODIC REVIEW`DUEDATE: G2SC o RECOMMENDED REVIEWS: go -
All .
Prg ( wrerU Nuclear Emergency Planning Responsible Supervisor: Primary Dose Assessment Supervisor Responsible FUM: Supervisor-Nuclear Emergency Planning Responsible Approver General Manager-Plant Support FORM NDAP-QA-0002-1, Rev. 3, Page 1 of 1
EP-PS-244 Revision 7 Page 2 of 5 Dose Assessment Staffer: Emergency Plan Position-Specific Procedure WHEN: Emergency Operations Facility (EOF) is Activated.
HOW NOTIFIED: Paged/Telenotification System REPORT TO: Dose Assessment Supervisor WHERE TO REPORT: Emergency Operations Facility OVERALL DUTY:
Direct, coordinate and review operations of the radiation protection and dose assessment area, assuring the Dose Assessment Supervisor receives an accurate overview of off-site radiological conditions to support development of Protective Action Recommendations, (PARs).
MAJOR TASKS: TAB: REVISION:
Plume Phase: TAB A 4 Provide direction to EOFDC (EOF Dose Calculator) in performance of MIDAS dose projections for the analysis of airborne releases. As necessary, perform the dose projections. Confirm input for these calculations from available engineering, field monitoring, and computer based (PICSY) data.
Review results of field team measurements and dose TAB B 5 projections and provide a summary of results for ease of interpretation and use by DASU.
When indicated by calculation results or available field TABC 3 data, notify DASU of trends and/or flag situations where conditions are approaching critical points, triggers or action levels. Monitor possible liquid release pathway, if indicated.
Support Field Team Director (FTD) for team TAB D 4 placement and radiological protection.
Post Plume:
Assist the Dose Assessment Supervisor in determining TAB E 1 the post plume phase analytical sampling strategy and providing radiological protection requirements and briefings to environmental sampling teams.
EP-PS-244 Revision 7 Page 3 of 5 SUPPORTING INFORMATION: TAB:
Shift Takeover Ust TAB 1 MIDAS Field to Projection Measurement Projection TAB 2 Emergency Classification TAB 3 Intentionally Blank TAB 4 Placement of Field Teams TAB 5 PPL Emergency Personnel Dose Assessment and TAB 6 Protective Action Recommendation Guide MIDAS Operation TAB 7 Meteorological Data Acquisition TAB 8 SSES Environmental Sampling Strategy TAB 9 Environmental Team Briefing Sheet TAB 10 Public Protective Action Recommendation Guide TAB 11 Instructions for Obtaining Current Personnel Exposure -TAB 12 Using NIMS TSC to EOF Radiological Dose Assessment Phone Log TAB 13 Dose Assessment Flowchart TAB 14 Intentionally Blank TAB 15 PICSY SPING Release Rates Guidelines TAB 16 Intentionally Blank TAB 17 Clarification of Responsibilities of Initial and Augmented TAB 18 Staff
EP-PS-244 Revision 7 Page 4 of 5
REFERENCES:
EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents (EPA 400-R-92-001 May 1992)
FDA Guidance: 'Accidental Radioactive Contamination of Human Food and Animal Feed and Recommendations for State and Local Governments.* Federal Register, pp 47073-47083, October 22,1982 ICRP Publication 28, The Principles and General Procedures for Handling Emergencv and Accidental Exyosures of Workers. International Commission on Radiation Protection. (1978)
IE Notice 83-28 NCRP Report 55, Protection of the Thyroid Gland Inthe Event of Releases of Radiolodine, National Council Radiation Protection and Measurements. (1977)
NCRP Report 91, Recommendations on Limits for Exposure to Ionizing Radiation, National Council on Radiation Protection and Measurements. (1987)
NCRP Report 116, 1Umitation of Exposure to Ionizing Radiation, National Council on Radiation Protection and Measurements.' (1993)
NUMARC Graded Response Study NUREG-0654, Planning Standards and Evaluation Criteria NUREG-0731, Guidelines for Utility Management Structure and Technical Resources, September 1980 Radiological Assessment Reference Book Spray Pond Blowdown Water Outlet Flow Rate PLI 50258 (May 8, 1987)
Susquehanna SES Emergency Plan 10 CFR 20 Appendix B Study of Travel Time and Mixing Characteristics for the Susquehanna River below the Susquehanna SES - SUTRON CORPORATION - November 1985 NDAP-QA-1 190, Nuclear Department Radiation Protection Program and Policies NDAP-QA-1 191, ALARA Program and Policy Program NEPM-OA-1014, Radiological Environmental Monitoring Program
EP-PS-244 Revision 7 Page 5 of 5
REFERENCES:
National Interim Primary Drinking Water Regulations, EPA 57019-76-003 (U.S.)
Environmental Protection Agency, Washington, D.C. 1976 Commonwealth of Pennsylvania State Emergency Operations Plan, Appendix 6 to Annex E - BRP Technical Assessments and Protective Actions, September 22, 1988.
Guidance - Potassium Iodide as a Thyroid Blocking Agent in Radiation Emergencies, HHS/FDA, December 2001.
TAB A EP-PS-244-A Revision 4 Page 1 of 12 MAJOR TASK:
Provide direction to EOFDC (EOF Dose Calculator) in performance of MIDAS dose projections for the analysis of airborne releases. As necessary, perform the dose projections. Confirm Input for these calculations from available engineering, field monitoring, and computer based (PICSY) data.
SPECIFIC TASKS: HOW:
- 1. Notify DASU upon arrival in the EOF.
- 2. Prepare to assume responsibilities for 2a. Complete DAST section of Shift the Dose Assessment Area. Takeover Checklist.'
-HELP SHIFT TAKEOVER CHECKLIST See TAB 1 HELP Clarification of Responsibilities of Initial and Augmented Staff See TAB 18 2b. Determine status of MIDAS and PIOSY equipment. If equipment Is not functional, notify.NERO staff.
2c. Inform DASU when you are prepared to assume responsibilities for your area.
- 3. Determine if any dose calculations 3a. Contact the TSC Dose Calculator and were performed by the TSC Dose determine if any dose calculations were Calculator. performed.
3b. Request copies of calculations be faxed, if not available in the EOF.
3c. Discuss and verify the validity of assumptions used in previously performed calculations by the TSC Dose Calculator.
HELP MIDAS OPERATION See TAB 7
TAB A EP-PS-244-A Revision 4 Page 2 of 12 SPECIFIC TASKS: HOW:
I
- 4. Verify the EOF Dose Calculator, 4a. If the EOFDC is unavailable, initiate data (EOFDC), is ready to assume collection activities in Task 6, and responsibilities. prepare calculations as needed.
- 5. Attend staff briefing(s) convened by 5a. Obtain information on accident status DASU to review overall situation. and current Protective Action Recommendations (PAR).
5b. Verify/confirm which type of MIDAS calculations are to be performed in EOF:
- 1) FORWARD
- 2) BACK
- 3) NUREG-1228 - EVENT TREE
- 4) DEFAULT ACCIDENT
- 5) BLOWOUT PANEL
- 6. Ensure the EOFDC has initiated the 6a. Begin data input collection from available MIDAS program. If a radiological resources. These resources include:
release has started, begin input data collection. 1) Previously performed TSC dose calculations
- 2) Available engineering information
- 3) PICSY data
- 4) Available field team data
- 5) RMS data
- 6) Chemistry Vent Sample data
- 7) HP air sample data
- 8) Default Noble Gas to 1-1 31 or Noble Gas to Particulate ratio(s).
TAB A EP-PS-244-A Revision 4 Page 3 of 12 SPECIFIC TASKS: HOW:
- 7. Monitor available plant data for 7a. A radiological release may be indicated changes which may be indicative of a by (but is not limited to) the following:
radiological release. Consult/inquire with engineering support as conditions (1) Elevated valid vent release data warrant. - from PICSY screen or control terminal.
NOTE:
"Elevated" In this context means visibly higher than data prior to the start of the event. The STA may be able to provide quantitative Indication of Increased release rate attributable to the event should visible observation be indeterminate.
(2) Elevated Field Monitoring data from field teams or the RMS system.
NOTE:
"Elevated"' In this context means field monitoring readings above instrument lower limits of detection or RMS readings yielding unanticipated alarms.
(3) Initiation of the Standby Gas Treatment System for treatment of activity within containment.
(4) Any of the following EALs has been entered:
- 3.0 Fuel Clad Degradation
- 15.0 Radiological Effluents
- 17.0 Spent Fuel Related Incident
- 18.0 Steam Une Break
- 21.0 Dry Fuel Storage AND the DSC has been breached
TABA EP-PS-244-A Revision 4 Page 4 of 12 SPECIFIC TASKS: HOW:
(5) Indication of an unmonitored I release in progress.
HELP DOSE ASSESSMENT FLOWCHART See TAB 14
- 8. Provide VALID dose calculations &a. Select an appropriate and valid accident whenever plant conditions indicate a menu.
release has occurred.
- 1) Use measured vent data In the NOTE: Forward Calculation MIDAS model At least one calculation Is to be whenever possible.
completed Ifthere is Indication that a release has occurred. 2) Initiate Back Calculations if field Calculations must be performed data is available. Test the validity every 15 minutes If site total of field data using the Default release rates exceed TRM limits. Accident or NUREG 1228 MIDAS models.
TAB A EP-PS-244-A Revision 4 Page 5 of 12 SPECIFIC TASKS: HOW:
CAUTION NOTE:
Study Case Calculations are Only VALID calculations are to be hypothetical calculations that are used for EAL Classification, Initial based on assumed, unverified PAR Determination or a PAR plant conditions and leakage rates Upgrade. and meteorology that existed at the time of the calculation.
A VALID calculation Is defined as one that Is based on: 3) In the absence of valid measured radiological data, perform a Valid
- 1) Current meteorology and MIDAS Default Accident or expected release duration, and NUREG 1228 Calculation. Use results for-EAL Classification and
- 2) Valid vent data, Chemistry PAR determinations only when:
vent sample, HP air sample results or approved a) Plant conditions indicate a 1-3llParticulate default ratios, release is in progress.
or b) Valid vent or field data is not
- 3) Valid In the field radiological available or will not be measurements, or available within the allowed 15 minute assessment
- 4) In the absence of valid interval.
measured radiological data, a MIDAS Default or NUREG 1228 c) The calculation represents calculation based on Inputs current meteorology and that are judged by Engineering expected release duration.
to be consistent with the current conditions In the d) Input parameters are based affected unit. on current plant conditions that have been validated as appropriate by Engineering.
NOTE:
The Default Model Is the appropriate and preferred model for a filtered release that does not exceed design basis leak rates.
TAB A EP-PS-244-A Revision 4 Page 6 of 12 SPECIFIC TASKS: HOW:
- 9. When required, direct/develop input NOTE:
for FORWARD CALCULATIONS." FORWARD CALCULATIONS are These calculations use MIDAS performed when valid vent release Menu B. data Is available and there Is indication that a release has occurred. Calculations continue to be performed when release rates exceed TRM limits.
Vent data should be confirmed with Engineering If PICSY data appears any color other than YELLOW. WHITE data should be considered as a potential unmonitored release unless EngineeringlChemistry data indicates otherwise. Notify DASU Immediately if WHITE data occurs for vent release rates Indicated on PICSY. If valid vent data Is not available, perform BACK CALCULATIONS and appropriate Default or NUREG 1228 Calculation.
9a. Review information collected by EOFDC for accuracy.
9b. Direct the EOFDC to perform calculation.
HELP MIDAS OPERATION See TAB 7 9c. Ensure ANY calculations performed in EOF are numbered sequentially, i.e., EOF-1, EOF-2, etc.
- 10. Assess reliability of dose rate and 10a. Periodically evaluate dose and release release rate data. - rate data by (1) Reviewing field measured to projected dose rate ratios when possible.
TAB A EP-PS-244-A Revision 4 Page 7 of 12 SPECIFIC TASKS: HOW:
HELP MIDAS Field Measurement to Projection Comparison See TAB B and TAB 2 (2) Determining if low confidence (white) PICSY vent release rate data exists.
NOTE:
WHITE data should be considered as a potential unmonitored release pathway-unless Engineering/Chemistry data Indicates otherwise.
(3) Determine if reported Iodine 131 release rates from Chemistry or other analyses seem reasonable.
In general, data is suspect If NGl-131- release rates are less than 1000 for a given vent.
1Ob. Iflow confidence (white) PICSY vent data exists:
(1) Consult with Engineering to determine Ifcondition is normal (i.e., per design) and/or Ifvent totals are valid from the Engineering/Dose Assessment perspective.
(2) Ifvent totals are considered valid and/or the field measured/projected dose is within 0.1 to 5 range, the results can be considered reasonable.
(3) If measured field data is higher than projected values, perform a Back Calculation and use the more conservative results.
TAB A
- -~~~~~~~~~EP-PS-244-A Revision 4 Page 8 of 12 SPECIFIC TASKS: HOW:
10c. If PICSY vent totals are questionable:
(1) Request Engineering promptly pursue corrective actions, obtain
-Chemistry vent sample data, and/or evaluate need to switch vent monitoring to PAVSS.
(2) Notify RPC and discuss alternate methods to obtain release data (e.g., HP air samples) and/or need to switch to PAVSS.
(3) Use appropriate data such as grab sample (vent, PAVSS, HP air samples) results or previously measured or default noble gas to iodine/particulate ratios.
(4) Ensure field teams are taking air samples as appropriate and keeping their exposure ALARA.
(5) Report conditions as a potential unmonitored or an unmonitored release as appropriate depending on measured to projected dose rate ratios.
(6) Initiate BACK CALCULATIONS if field data is available and as appropriate a Default Accident or NUREG 1228 MIDAS Calculation.
NOTE:
If valid effluent vent data Is not available, test the validity of field data using the Default Accident or NUREG 1228 MIDAS Study Case Models.
TAB A EP-PS-244-A Revision 4 Page 9 of 12 SPECIFIC TASKS: HOW:
- 11. When required, direct/develop input NOTE:
for "BACK CALCULATIONS." These BACK CALCULATIONS are calculations use MIDAS Menu E-W. performed when valid vent release data Is unavailable andlor an unmonitored release pathway may exist. Field dose rate data Is required. Field team data is available from Remote Monitoring System (RMS) or by radio.
I a. Review available field team data with the EOFDC and Field Team Director (FTD).
11 b. Ensure the following data is available for MIDAS input:
- 1) Field monitor reading (mRlhr),
- 2) OSCAR (or other appropriate field team) location (distance in miles),
- 3) Iodine Concentration in (uCilcc) for RMS or (cpm) for cartridge data.
(Default value may be used if iodine data is unavailable.)
11c. If "BACK CALCULATIONS" are to be performed, direct/help EOFDC to obtain input data.
lid. Review information collected by EOFDC for accuracy.
Ile. Ensure ANY calculations performed in EOF are numbered sequentially, i.e., EOF-1, EOF-2, etc.
IIf. Direct the EOFDC to perform calculations.
HELP MIDAS OPERATION See TAB 7
TAB A EP-PS-244-A Revision 4 Page 10 of 12 SPECIFIC TASKS: HOW:
- 12. When/if required, consider need for 12a. Performance of "Study Calculations" "STUDY CALCULATIONS" since should be considered if abnormal plant certain plant conditions may be a events occur such as:
precursor to or be indicative of the potential for a radiological release. 1) Low Rx water level/core uncovery These calculations use MIDAS Menu C for "EVENT TREE" or Menu D for 2) High Containment Radiation "DEFAULT.0 Levels NOTE: 3) High Drywell Study Calculations are Pressure/Temperature hypothetical calculations that reflect plant conditions which 4) Spent Fa~l Pool Release may occur sometime In the future, but do not currently 5) Valid effluent vent release data is exist. unavailable NOTE:
The performance of Study Calculations Is not limited to the above examples.
12b. Contact Engineering Support personnel to determine If any abnormal plant conditions or events may be precursors to a possible radiological release.
12c. Discuss possible release pathway and source term with engineering and review with EOFDC.
12d. Consider performing "STUDY CALCULATION" using "EVENT TREE' or 'DEFAULT ACCIDENT" evaluations.
HELP DOSE ASSESSMENT FLOWCHART See TAB 14 HELP MIDAS OPERATION See TAB 7
TAB A EP-PS-244-A Revision 4 Page 11 of 12 SPECIFIC TASKS: HOW:
12e. If conditions exist which warrant the performance of a "Default Accident or NUREG 1228" calculation, direct/help EOFDC to obtain input data.
- 1) Obtain appropriate input parameters from Engineering and current meteorology.
- 2) Review information collected by the EOFDC for accuracy.
- 3) Direct the EGFDC to perform calculation.
HELP MIDAS OPERATION See TAB 7
- 4) For study-case calculations, review input parameters used and calculational results with Engineering. Have Engineering sign off Calculation as reviewer to document thei concurrence that the calculation appropriately models the existing plant conditions.
12f. Ensure ANY calculations performed in EOF are numbered sequentially, i.e., EOF-1, EOF-2, etc.
TAB A EP-PS-244-A Revision 4 Page 12 of 12 SPECIFIC TASKS: HOW:
- 13. When/if required, direct/develop input NOTE:
for 'BLOW OUT PANEL' "BLOW OUT PANEL calculations. These calculations use CALCULATIONS are performed MIDAS Menu G. when Indication exists that a component has failed and resulted In the release of significant amounts of steam andlor coolant directly to the environment.
A blow out panel lift should be
- confirmed by operations.
13a. Determine the need for performing a
'BLOWOUT PANEL' calculation.
HELP DOSE ASSESSMENT FLOWCHART See TAB 14 13b. If "BLOW OUT PANEL" calculations are to be performed, direct/help EOFDC to obtain input data.
13c. Review information collected by the EOFDC for accuracy.
13d. Direct the EOFDC to perform calculation.
13e. Ensure ANY calculations performed in EOF are numbered sequentially, i.e., EOF-1, EOF-2, etc.
HELP MIDAS OPERATION See TAB 7
TAB B EP-PS-244-B Revision 5 Page 1 of 2 MAJOR TASK:
Review results of field team and dose projections and provide a summary of results for ease of interpretation and use by DASU.
SPECIFIC TASKS: HOW:
- 1. Review FORWARD la. Where possible, compare monitored CALCULATION' to determine ifdata release rates, calculated dose rates, is within reasonable correlation. RMS and Field Team measurement data.
Iftime permits and conditions warrant, compare calculated dose rates to field 1b. Iftime permits and field data is available, measurements. determine the measured to projected ratio for whole body and thyroid measurements.
HELP MIDAS FIELD MEASUREMENT TO PROJECTION COMPARISON See TAB 2 Ic. Ifthe measured to projected ratio is within the range of 0.1 to 5, the correlation is reasonable.
1d. Ifmeasured field data is higher than projected values, perform a Back Calculation and use the more conservative results.
1e. Iffield team readings are significantly high, (ratio > 5) an unmonitored release is in progress. Initiate nBACK" calculations. Validate Back Calculation" results with appropriate default or NUREG 1228 calculation.
Notify DASU immediately if unmonitored release is confirmed.
If. Iffield team readings are low, (ratio< 0.1), the field team may not be in the plume. Notify the Field Team Director, (FTD), to locate plume and continue with FORWARD CALCULATIONS."
TAB B EP-PS-244-B Revision 5 Page 2 of 2 SPECIFIC TASKS: HOW:
1g. If vent release data does not exist, test the validity of the field data using the Default or NUREG 1228 MIDAS models as appropriate.
- 2. Prepare summary information to aid in 2a. The DAST should prepare a "Dose the transfer of dose projection Summary Package" for each MIDAS information to the DASU. calculation performed by the EOFDC.
2b. The "Dose Summary Package' consists of:
- 1) The "MIDASOose Assessment Summary Sheet," (MIDAS printout),
associated with the MIDAS calculation.
- 2) If projected doses exceed the PAG Values at 10 miles, attach the applicable MIDAS 'More Reports" printout that indicates the distance in which the projected dose is less than the PAG values.
2c. Make a copy of the-"Dose Summary Package" for logbook.
- 3. Review the nDose Summary 3a. If applicable, annotate or attach results Package," and annotate any of measured to projected dose rate assumptions, or deviations. evaluation performed in step #1.
3b. Add any other comments which will aid in interpretation by the DASU.
- 4. For all EOF produced calculation 4a. EOFDC signs as preparer.
types, ensure the "MIDAS Dose Assessment Summary Sheef 4b. DAST signs as reviewer/approver.
contains required signatures. For significant changes or Indications, notify DASU Immediately.
- 5. Provide Dose Summary Package to DASU with brief verbal explanation/summary of results.
TAB D EP-PS-244-D Revision 4 Page 1 of 3 MAJOR TASK:
Support Field Team Director, (FTD), for team placement and radiological protection.
SPECIFIC TASKS: HOW:
- 1. Discuss Field Team placement 1a. Ensure field monitoring and sampling strategy with the Field Team Director, objectives are clearly defined and (FTD). justified relative to the potential radiological risk.
lb. The Radiological Protection objectives are:
- 8001 for OSCAR activities.
CAUTION RWP revisions should be coordinated with the RPC. Such revisions may be necessary before the doses listed in objectives 2 and 3 are approached.
and
1c. Review current meteorological data to determine potential affected sectors.
1d. Review any previous dose calculations to determine potential radiological conditions in the area.
1e. As time permits, provide the "Field Team Director, wit a visual display of plume path predicted by"MIDAS.'
TAB D EP-PS-244-D Revision 4 Page 2 of 3 SPECIFIC TASKS: HOW:
HELP PLACEMENT OF FIELD TEAMS See TAB 5
- 2. Provide field teams with radiological 2a. Direct the Field Team Director to begin protection guidance. Thyroid Dose tracking if:
- 1) Measured RMS Thyroid CDE dose rate 21000 mrem/hr or
- 2) Measured Iodine air sample canister
> 1200 net cpm.
2b. Determine the necessity and importance of obtaining the data:
- 1) Has a PAR already been made?
- 2) What are the benefits/risks -
associated with obtaining the data?
- 3) Can the data be obtained another way?
2c. If it is determined that the data cannot be obtained another way, consider
- 1) Rotating teams to limit and equalize dose.
- 2) Use of respiratory protection (OSCAR only)
- 3) Processing Dose Extensions
- 4) Consider administration of KI if conditions warrant
TAB D EP-PS-244-D Revision 4 Page 3 of 3 SPECIFIC TASKS: HOW:
HELP PPL EMERGENCY PERSONNEL DOSE ASSESSMENT AND PROTECTIVE ACTION RECOMMENDATION GUIDE See TAB 6 HELP INSTRUCTIONS FOR OBTAINING CURRENT PERSONNEL EXPOSURE USING NIMS See TAB 12
- 3. If Thyroid CDE Dose Tracking is required, schedule Field Teams for Whole Body Counts.
TAB E EP-PS-244-E Revision 1 Page 1 of 2 MAJOR TASK:
Assist the Dose Assessment Supervisor In determining the post plume phase analytical sampling strategy and providing radiological protection requirements and briefings to environmental sampling teams.
SPECIFIC TASKS: HOW:
- 1. Using MIDAS ground deposition HELP printouts and data from the plume SSES ENVIRONMENTAL SAMPLING phase, confer with the Dose See TAB S Assessment Supervisor and the Field Team Director to determine the environmental sampling strategy.
- 2. Using MIDAS contamination plots, 2a. This activity may require a re-analysis MIDAS TEDE dose rate plot and field using MIDAS and detailed plume team data, determine the direction information.
contamination levels in the area to which the team is being dispatched.
- 3. Determine the protective clothing 3a. Consult with the DASU and RPC to requirements for the team based on discuss appropriate radiological controls.
the area radiological and environmental conditions. 3b. For sampling areas With contamination levels < 1OOOOdpm/1Ocm2 (5E-3 mR/hr, closed window):
- 1) Minimum Protective Clothing requirements include (but not limited to):
- Jump Suit
- Boots
- Gloves
- Rainsuit (if conditions are expected to be wet).
3c. For sampling areas with contamination levels > 10,000dpm/lOOcm2
(> 5E-3 mR/hr, closed window) protective clothing requirements will be determined on a case by case basis.
TAB E EP-PS-244-E Revision 1 Page 2 of 2 SPECIFIC TASKS: HOW:
- 4. Determine integrated dose and dose 4a. Integrated dose limits are determined by rate limits for each team member. subtracting the dose accrued (year to date) from the allowable dose limit (1600 mrem unless an extension has been processed). Umits may be set lower if conditions warrant.
4b. Dose rate limits are determined by the area contamination levels.
- 5. Complete the environmental team HELP briefing sheet. ENVIRONMENTAL TEAM BRIEFING SHEET See TAB 10
- 6. Using the briefing sheet, brief team prior to dispatch.
- 7. Confer with the DASU to determine need for additional study case and/or other dose projections.