ML040570063

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Revision 15 to EPIP-4.08, Initial Offsite Release Assessment and Revision 15 to EPIP-4.09, Source Term Assessment.
ML040570063
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 02/18/2004
From: Jennifer Davis
Virginia Electric & Power Co (VEPCO)
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
04-100
Download: ML040570063 (47)
v • d • e


Text

{{#Wiki_filter:C-, VIRGINIA ELECTRIC AND POWVER COMPANY RICHMOND, VIRGINIA 23261 February 18, 2004 U.S. Nuclear Regulatory Commission Serial No. 04-100 Attention: Document Control Desk NAPS/MPW Washington, D.C. 20555 Docket Nos. 50-338/339 License Nos. NPF-417 Gentlemen: VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 REVISIONS TO EMERGENCY PLAN IMPLEMENTING PROCEDURES Pursuant to 10 CFR 50.54(q), enclosed are recent revisions to the North Anna Power Station Emergency Plan Implementing Procedures. The revisions do not implement actions that decrease the effectiveness of our Emergency Plan. The Emergency Plan and Implementing Procedures continue to meet the standards of 10 CFR 50.47(b). Please update your manual by performing the actions described in Attachment 1, Tabulation of Changes. Very truly yurs, 

        .M~Davis Site Vice President Commitments Stated or Implied: None.

Enclosures cc: U.S. Nuclear Regulatory Commission (2 copies) Region II Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, GA 30303 Mr. M. T. Widmann NRC Senior Resident Inspector North Anna Power Station p5q

ATTACHMENT I TABULATION OF CHANGES VIRGINIA ELECTRIC AND POWER COMPANY REVISIONS TO NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE Enclosed are recent revisions to the North Anna Power Station Emergency Plan Implementing Procedures (EPIP). Please take the following actions in order to keep your manual updated. REMOVE AND DESTROY DATED INSERT EFFECTIVE DATE EPIP-4.08, Rev. 14 06/19/02 EPIP-4.08, Rev. 15 02/12/04 EPIP-4.09, Rev. 14 07/01/03 EPIP-4.09, Rev. 15 02/12/04 Emergency Plan Privacy and Progrietarv Material has been removed. Reference Generic Letter No. 81-27.

DATE: 2004-02-12 PAGE: 1 NORTH ANMA POWER STATION LIST OF NAPS EMERGENCY PLAN IMPLEMENTATION PROCEDURES CHECK DMIS FOR LATEST DOCUMENT INFORMATION APPROVAL EFFECTW DOCUMENT NUMBER REV DATEN WDATEN DOCUMENT TIThE EPIP-1.01 039 01/15/04 01/15/04 EMERGENCY MANAGER CONTROLLING PROCEDURE EPIP-1 .02 011 09/07/99 10/01/99 RESPONSE TO NOTIFICATION OF LR4USUAL EVENT EPIP-1.03 014 09/07/99 10/01/99 RESPONSE TO ALERT EPIP-1.04 014 09/07/99 10/01/99 RESPONSE TO SITE AREA EMERGENCY EPIP-1

  • 05 016 09/07/99 10/01/99 RESPONSE TO GENERAL EMERGENCY EPIP-1
  • 06 004 09/05/01 09/05/01 PROTECTIVE ACTION RECOMMENDATIONS EPIP-2. 01 025 08/13/02 08/28/02 NOTIFICATION OF STATE AND LOCAL GOVERNMENTS EPIP-2. 02 015 08/13/02 08/28/02 NOTIFICATION OF NRC EPIP-3.02 021 03/04/03 03/17/03 ACTIVATION OF TECHNICAL SUPPORT CENTER EPIP-3
  • 03 013 03/04/03 03/17/03 ACTIVATION OF OPERATIONAL SUPPORT CENTER EPIP-3. 04 015 07/14/98 07/20/98 ACTIVATION OF LOCAL EMERGENCY OPERATIONS FACILITY EPIP-3.05 002 04/02/03 04/08/03 AUGMENTATION OF EMERGENCY RESPONSE ORGANIZATION EPIP-4.01 020 06/24/03 07/01/03 RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE.

EPIP-4

  • 02 015 06/24/03 07/01/03 RADIATION EPIP-4.03 011 12/20/93 01/01/94 DOSE ASSESSMENT TEAM CONTROLLING EPIP-4.04 009 11/21/94 11/28/94 EMERGENCY PERSOW4EL RADIATION EXPOSURE EPIP4.05 009 01/28/0 0 02/04/00 RESPIRATORY PROTECTION AND KI ASSESSMENT EPIP-4
  • 06 009 12/21/95 12/28/95 PERSONMEL MONITORING AND DECONTAMINATION.

EPIP-4.07 014 09/29/00 10/06/00 PROTECTIVE MEASURES EPIP-4.08 015 12/17/03 02/12/04 INITIAL OFFSITE RELEASE ASSESSMENT EPIP-4.09 015 12/17/03 02/12/04 SOURCE TERM ASSESSMENT EPIP-4 .10 011 08/13/02 08/28/02 DETERMINATION OF X/Q EPIP-4 .13 009 09/29/00 10/06/00 OFFSITE RELEASE ASSESSMENT WITH ENVIRONMENTAL DATA I,

DATE: 2004-02-12 PAGE: 2 NORTH ANNA POWER STATION LIST OF NAPS EMERGENCY PLAN IMPLEMENTATION PROCEDURES CHECK DiIIS FOR LATEST DOCUMENT INFORMATION APPROVAL EFFECTM DOCUMENT NUMBER REV WDATE NDATE DOCUMENT TITLE EPIP-4.14 007 12/20/93 01/01/94 INPLANT MONITORING EPIP-4 .15 011 02/18/00 02/28/00 ONSITE MONITORING EPIP-4 .16 015 12/13/02 12/18/02 OFFSITE MONITORING EPIP-4 .17 016 12/13/02 12/18/02 MONITORING CF EMERGENCY RESPONSE FACILITIES EPIP-4 .18 013 12/13/02 12/18/02 MONITORING OF LEOF EPIP-4 .21 008 12/20/93 01/01/94 EVACUATION AND REMOTE ASSEMBLY AREA MONITORING EPXP-4.24 013 04/02/03 04/08/03 GASEOUS EFFLUENT SAMPLING DURING AN EMERGENCY EPIP-4

  • 26 012 06/24/03 07/0 1/0 3 HIGH LEVEL ACTIVITY SAMPLE ANALYSIS EPIP-4 .28 007 01/09/97 01/14/97 TSC/LEOF RADIATION MONITORING SYSTEM EPIP-4 .30 005 04/05/02 04109/02 USE OF MIDAS CLASS A MODEL EPIP-4.31 003 06/20/94 06/20/94 USE OF MIDAS CLASS B MODEL KJ EPIP-4.33 003 11/28/00 11/30/00 HEALTH PHYSICS NETWORK COMMUNICATIONS EPIP-4 .34 003 12/13/02 12/18/0 2 FIELD TEAM RADIO OPERATOR INSTRUCTIONS EPIP-4.35 000 06/24/03 67/01/ 03 CHEMISTRY SAMPLING EPIP-5
  • 01 011 12/11/96 12/17/96 TRANSPORTATION OF CONTAMINATED INJJRED PERSONNEL EPIP-5.03 016 02/18/00 02/28/00 PERSONNEL ACCOUNTABILITY EPIP-5
  • 04
  • 010 03/04/03 03/17/03 ACCESS CONTROL EPIP-S
  • 05 013 06/25/96 07/02/96 SITE EVACUATION EPIP-5. 07 012 06/24/03 07/01/ 03 ADMINISTRATION OF RADIOPROTECTIVE DRUGS EPIP-5. 08 008 04/0 2/03 04/08/03 DAMAGE CONTROL GUIDELINE EPIP-5.09 004 08/02/02 08/15/02 SECURITY TEAM LEADER CONTROLLING PROCEDURE EPIP-6.01 007 05/12/99 05/17/99 RE-ENTRY/RECOVERY GUIDELINE
                                                                                                         /

VIRGINIA POWER NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 (With 6 Attachments) PAGE 1 of 13 PURPOSE Use backup (manual) dose assessment calculations to assess consequences of actual or potential offsite releases. LEVEL 2COPY THIS DOCUMENT SHALL BE VERIFIED TO A CONTROLLED SOURCE AS REQUIRED TO PERFORM WORK ENTRY CONDITIONS Any of the following:

1. Entry from EPIP-4.O1. RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE.
2. Entry from EPIP-4.03. DOSE ASSESSMENT TEAM CONTROLLING PROCEDURE.
3. Direction by the Station Emergency Manager.
4. Direction by the Radiological Assessment Director or Radiological Assessment Coordinator.

Approvals on File 1* Effective Date 2/L2/YI.

  • 1*

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 2 of 13 ACTIONIEXPECTED RESPONSE F-I RESPONSE NOT OBTAINED 1- ______ 1 INITIATE PROCEDURE:

  • By:

Date: _______________ Time: _______________ NOTE:

  • No release is assumed from the air ejector if it is diverted to containment.
  • No release is assumed from the AFWPT pathway if the AFWPT is isolated.
  • Results of dose rate calculations are additive if release is through independent pathways.
  • Results of releases from the same pathway are not additive.

_____ 2 DETERMINE SITE BOUNDARY DOSE RATES IF release is through the Main (mrem/hr) FOR VENTILATION RELEASE: Steam System. THEN GO TO Step 3. a) Ask SEM to have an individual OR observe monitor in alarm and report increase or decrease in IF release is from containment readings leakage. III!1 GO TO Step 4. b) Get number of monitor in alarm (or monitor of interest): Release Path Normal Range High Range Process Vent GW-178-1 GW-178-2 Vent Vent A VG-179-1 VG-179-2 Vent Vent B VG-180-1 VG-180-2 Air Ejector SV-121. 221 (STEP 2 CONTINUED ON JEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 3 of 13 -EEl-I ACTION/EXPECTED RESPONSE [-1 RESPONSE NOT OBTAINED F-2 DETERMINE SITE BOUNDARY DOSE RATES (mremfhr) FOR VENTILATION RELEASE: (Continued) c) Circle appropriate monitor number on Attachment 1 d) I.E flow rates NOT available, d) Get monitor readings, above background, and flow rates for THEN use default flow rates: pathway of interest

  • VVA - 142,000 cfm AND
  • VVB - 100.000 cfm Record data on Attachment 1
  • PV - 310 cfm
                                                           *CAE-25cfm NOTE:
  • Main Tower Delta T is the preferred source of stability class.

Sigma Theta (Backup Tower) is the secondary source. Primary source of wind speed is the Main Tower Lower Level indicator. Alternates sources are (1) Backup Tower, and (2) Main Tower Upper Level. e) Get Stability Class and Wind Speed (from Emergency Communicator. PCS. RAD or RAC):

  • Stability Class: ___________
  • Wind Speed:

f) Get X/Q and conversion factors from Attachment 4:

  • Site Boundary XIQ for Stability Class in effect .
  • Monitor Conversion Factor (MCF) based on accident type eTEDE DCF
  • THY DCF (STEP 2 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 4 of 13 ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F-2 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR VENTILATION RELEASE: (Continued) g) Record XIQ. wind speed and conversion factors on Attachment 1 h) Calculate Site Boundary TEDE and THY CDE. mreni/hr. using Attachment 1 i) Record results of Attachment 1 on Attachment 5 _____ 3 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR MAIN STEAM RELEASE: a) Check if actual or potential a) .jf NO release through Main release pathway exists through Steam System. THEN GO TO Step 4. Main Steam Safety Valves or Auxiliary Feedwater Pump Turbine Exhaust (AFWPT) b) Determine number of monitor in alarm: Unit 1 Main Steam Unit 2 Main Steam RM-RMS-170 (A Safety Valves) RM-RMS-270 (A Safety Valves) RM-RMS-171.(B Safety Valves) RM-RMS-271 (B Safety Valves) RM-RMS-172 (C Safety Valves) RM-RMS-272 (C Safety Valves) Unit 1 AFWPT Unit 2 AFWPT RM-MS-176 RM-MS-276 (STEP 3 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 5 of 13 ACTION/EXPECTED RESPONSE H-H RESPONSE NOT OBTAINED H-3 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR MAIN STEAM RELEASE: (Continued) C) Get reading of monitor in alarm AND Record reading on Attachment 2 NOTE:

  • Main Tower Delta T is the preferred source of stability class.

Sigma Theta (Backup Tower) is the secondary source. Primary source of wind speed is the Main Tower Lower Level indicator. Alternates sources are (1) Backup Tower. and (2) Main Tower Upper Level. d) Get Stability Class and Wind Speed:

  • Stability Class: ____________
  • Wind Speed:

e) Get X/Q and conversion factors. from Attachment 4:

  • Site Boundary XIO for Stability Class in effect
  • Monitor Conversion Factor (MCF) based on accident type
  • TEDE DCF
  • THY DCF f) Record XIQ. wind speed and conversion factors on Attachment 2 (STEP 3 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 6 of 13 ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED

  • H-3 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR MAIN STEAM RELEASE: (Continued) g) Ask Operations for the number g) IE none. fl!fl{ project release of Main Steam Safety Valves using only ONE valve.

that have lifted or may potentially lift AND Record on Attachment 2 h) Check status of AFWPT isolation (from RAD or RAC) i) Calculate Sit'e Boundary TEDE and THY CDE dose rates using Attachment 2 j) Record results of Attachment 2 on to Attachment 5 4 DETERMINE SITE BOUNDARY DOSE RATES IF containment leakage not (mrem/hr) FROM CONTAINMENT LEAKAGE: involved. THEN GO TO Step 5. (STEP 4 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REV ISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 7 of 13 -tTh1-4 ACTION/EXPECTED RESPONSE 4 DETERMINE SITE BOUNDARY DOSE RATES H-] RESPONSE NOT OBTAINED H-(mrem/hr) FROM CONTAINMENT LEAKAGE: (Continued) a) GET CHRRMS reading. R/hr AND Record higher reading for affected unit(s) on Attachment 3: Unit 1 Unit 2 RMS- 165 RMS -265 RMS- 166 RMS- 266 NOTE:

  • Main Tower Delta T is the preferred source of stability class.

Sigma Theta (Backup Tower) is the secondary source.

  • Primary, source of wind speed is the Main Tower Lower Level indicator. Alternates sources are (1) Backup Tower. and (2)

Main Tower Upper Level. b) Get Stability Class and Wind Speed:

  • Stability Class: ____________
  • Wind Speed:

c) Get X/O and conversion factors from Attachment 4:

  • Site Boundary X/O for Stability Class in effect
  • Monitor Conversion Factor
              * (MCF) based on accident type
  • TEDE DCF
  • THY DCF (STar 4 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 8 of 13 W ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 4 DETERMINE SITE BOUNDARY DOSE RATES (mremfhr) FROM CONTAINMENT LEAKAGE: (Continued) d) Record XIQ. wind speed and conversion factors on Attachment 3 e) Calculate Site Boundary TEDE and THY..CDE dose rates using Attachment 3 f) Record results of Attachment 3 on to Attachment 5 _____ 5 DETERMINE DOSE RATES. mrem/hr. AT

2. 5 AND 10 MILES:

a) Use Attachment 5 b) Add results of appropriate release pathways:

  • Vents - Attachment 1
  • Main Steam - Attachment 2
  • Containment Attachment 3 c) Determine Stability Class Correction Factor (top of Attachment 5) for distance of interest d) Use Attachment 5 to do calculations for TEDE and THY COEP mrem/hr, at 2. 5 and 10 miles e) Report results to RAD or RAC

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 9 of 13 ACTION/EXPECTED RESPONSE H-] RESPONSE NOT OBTAINED H- ______ 6 COMPARE SITE BOUNDARY DOSE TO EMERGENCY CLASSIFICATION CRITERIA: a) Determine Site Boundary dose rate (sum of all pathways) from Attachment 5:

  • TEDE: ______________mrem/hr
  • THY CDE: __________mrem/hr b) Determine.release duration: b) Use default of 2 hours if

________________hours duration is unknown. c) Calculate total dose: TEDE: ________mrem/hr x _____hours = ____________mrem. TEDE THY CDE: _________mrem/hr x ______hours _______mrem. THY CDE d) Compare total dose to emergency classification criteria: Site Boundary Dose: Emergency Classification: 1000 mrem TEDE or General Emergency 5000 mrem Thyroid CDE 1OO mrem TEDE or Site AreaEmergency 500 mrem Thyroid CDE _____ .7 CHECK IF RESULTS INDICATE A SITE GO TO Step 9. AREA OR GENERAL EMERGENCY EXISTS

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 10 of 13 ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F- _____ 8 INITIATE PROTECTIVE MEASURES: a) Use EPIP-4.07. PROTECTIVE MEASURES, to determine if any onsite or offsite protective measures are required b) Give the following information to the RAD/RAC:

  • Emergency Classification
  • Calculation results
  • Protective actions required by EPIP-4.07, PROTECTIVE MEASURES c) GO TO Step 12

_____ 9 CHECK IF EMERGENCY INVOLVES LIQUID GO TO Note prior to Step 11. RELEASE

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 11 of 13 ACTION/EXPECTED RESPONSE [-1 RESPONSE NOT OBTAINED F- _____ 10 DETERMINE PERCENT RELEASE LIMIT FOR LIQUID RELEASE: a) Get highest liquid effluent pathway monitor reading:

  • LW-ill: ______________ cpm
  • SW-130: _____________ cpm
  • SW-230: _____________ cpm b) Determine number of operating Circ. Water Pumps:

c)Calculate.Z Release Limit: LW-ill: cpm x 6.26E-3 I # Circ. Water Pumps Z Release Limit x 6.26E-3 I. _________ SW-130 or 230: cpm x 2.OE-2  % Release Limit ________ x 2.OE-2 _____________ d) Compare % Release Limit with emergency classification criteria:

  • 1000% - ALERT
  • 100% - HOVE
             * < 100%         -   Within Limits e) Notify SEN (through RAD or RAC) of event classification based on % Release Limit for liquid rel ease

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 12 of 13 -LIiEI-{ ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F-NOTE: Evaluation of percent release limit makes conservative assumptions about flow rate, isotopic mixture and detector response. Further analysis (following completion of this procedure) will be necessary 

                 .to quantify release.

_____ 11 DETERMINE RELEASE LIMIT FOR GASEOUS RELEASE: a) Determine monitor in alarm b) Circle appropriate monitor number on Attachment 6 c) Ask SEM to position an individual to observe monitor in alarm and report increase or decrease in readings d) Get the highest reading, above background, of monitor in alarm e) Record monitor reading on Attachment 6 f) Use the following default flow f) Determine flow rate (cfm) rates: AND

  • VVA - 142.000 cfm Record flow rate on Attachment 6
  • VVB - 100.000 cfm
  • PV - 310 cfm
  • CAE - 25 cfm g) Calculate Z Release Limit using Attachment 6 h) Calculate total % Release Limit for all pathways involved (Add the Z Release Limit for each monitor/emission channel)

(STEP 11 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 13 of 13 -EIiEJ-4 ACTION/EXPECTED RESPONSE 1-A RESPONSE NOT OBTAINED F-11 DETERMINE % RELEASE LIMIT FOR GASEOUS RELEASE: (Continued)

1) Compare % Release Limit with emergency classification criteria:
  • 1000% - ALERT
  • 100% - HOVE
               * < 100%           -   Within Limits j) Notify SEM (through RAD or RAC) of event classification based on % Release Limit for gaseous rel ease

_____ 12 TERMINATE EPIP-4.08:

  • Give completed EPIP-4.08. forms, and other applicable records to the Radiological Assessment Director
  • Completed by:

Date: _______________ Time: _______________ 

                                                      -END-

NUMBER ATTACHMENT TITLE REV ISION

  • EPIP-4.08 VENT RELEASE SITE BOUNDARY DOSE RATE 15 ATTACHMENT PAGE 1 1 of 2 NOTE:
  • MGPI Normal Range Noble Gas monitors: 178-1, 179-1 and 180-1. MGPI High Range Noble Gas monitors: 178-2. 179-2 and 180-2.
  • Monitor Conversion Factors (MCF) and Site Boundary XIO are provided on Attachment 4.

Date:  : Time:_________ VENT VENTA: Record highest Vent Vent A value on Page 2 of Attachment 1. VG-179: (jiCi/sec x 1.OE-3 x MCF x XIO ) I WINDSPEED = Value (-l.-2) (______ x 1.OE-3 x _______ x _______) I _________________ VG-179: (jiCilcc x CFM x 4.72E-1 x MCF XIO ) I WINDSPEED = Value (-1.-2) (_______ x ______ x 4.72E-1 x ________ K ____)I _____ = VENT VENT B: Record highest Vent Vent B value oi riPage 2 of Attachment 1. VG-180: (jiCi/sec x 1.OE-3 x MCF x X/Q) I WINDSPEED = Value (-1.-2) (_____ xl.OE-3x _____ x _____ I ____ = VG-180: (jiCilcc x CFM x 4.72E-1 x MCF K XIQ ) / WINOSPEED Value (-1. -2) (_______ ______ x 4.72E-1 x ________ K ______)\/ _______ = 

 .ERQf$...YfI1I:             Record highest ProcessVent value on Page 2 of Attachment 1.

GW-178: (jiCi/sec x 1.OE-3 x MCF x XIQ ) I WINDSPEED = Value (-1-2) (_____ xl.OE-3x _____ x ______) I ____ = GW-178: (jtCi/cc x CFM x 4.72E-1 x MCF K XIO ) I WINDSPEED Value (-1.-2) (_____ x ____ x4.72E-lx ______ K _____ ______ = AIR.U.EUQR: Record sum of Air Ejector values oi riPage 2 of Attachment 1. SV-121: ( CPM x CFM x MCF x .XIQ ). I WINDSPEED = Value C____ x ____ x ____ x _____ SV-221: ( CPM x CFM x MCF x XIO ) I WINDSPEED = Value (____ x ____ x ____ x _____ I ____ = TITAL OF AIR EJECTORS =

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 VENT RELEASE SITE BOUNDARY DOSE RATE 15 ATTACHMENT PAGE 1 2 of 2 __ 1. Record the following monitor values from Attachment 1 Page 1 in left-hand 

         *column of table below:

S Highest Vent Vent A value 6 Highest Vent Vent B value 0 Highest Process Vent value S Sum of Air Ejector values __ 2. Record TEDE and THY CDE Dose Conversion Factors (DCFs) from Attachment 4 in top box of middle and right-hand columns in table below. __ 3. Multiply monitor values in left-hand column by TEDE DCF and THY CDE DCF. Record result(s) in intersecting space. __ 4. Add resulting values in middle and right-hand columns to calculate Site Boundary TEDE and THY CDE dose rates (mrem/hr) for ventilation release. TEDE DCF from THY CDE DCF from Attachment 4: Attachment 

                                                             .E.         4:
                                                                      =_______________________

HIGHEST VENT VENT A VALVE: HIGHEST VENT VENT B VALUE: HIGHEST PROCESS VENT VALUE: SUM OF AIR EJECTOR VALUES: SUM OF VENT VENT. PROCESS VENT AND I I TEDE mrem/hr: 1 I THY CDE*mrem/hr: AIR EJECTORS I_____________________ I______________________ Completed by: Date/Time: I

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MAIN STEAM RELEASE- SITE BOUNDARY DOSE RATE 15 ATTACHMENT PAGE 2 1 of 2 NOTE: Monitor Conversion Factors (MCF) and Site Boundary X/O are provided on Attachment 4. Date:  ; Time:_________ UNIT 1 MAIN STEAM: ( mR/hr x # Valves x MCF x XIO ) I WINDSPEED Value MS-170:(. x ______ x _____ x _____)/ ______ ________ MS-171:(______ x ______ x ______ x _____) I ______ = ________ MS-172:(_______ x ________ x _______ X _______) I ________ = ___________ TOTAL OF UNIT 1 MAIN STEAM = ____________ UNIT 1 AFWPT: ( mR/hr x MCF x XIQ ) I WINDSPEED = Value MS-176:(________ x ________ X ________) I ________ = ___________ UNIT 2 MAIN STEAM: ( mR/hr x # Valves x MCF x XIQ ) I WINOSPEED Value MS-270:(_______ x ________ x _______ X _______) / ________ = ___________ MS-271:(_____ x ______ x _____ x _____) I ______ = ________ MS-272:(________ x ________ x _______ x _______) I ________ = ___________ TOTALOF UNIT 2 MAIN STEAM = ___________ UNIT 2 AFWPT: ( mR/hr x MCF. x XIQ ) I WINDSPEED = Value MS-276:(_______ x _______ x _______) I ________ = ___________

NUMBER ATTACHMENT TITLE REV ISION EPIP-4.08 MAIN STEAM RELEASE - SITE BOUNDARY DOSE RATE 15 A1TACHM ENT PAGE 2 2 of 2 U. __ 1. Record the following monitor values in left-hand column of table below (enter N/A if unit NOT affected)

  • Total Main Steam value for affected unit(s)
  • AFWPT value for affected unit(s)

__ 2. Record TEDE and THY CDE Dose Conversion Factors (DCFs) from Attachment 4 in top box of middle and right-hand columns in table below. __ 3. Multiply monitor values in left-hand column by TEDE DCF and THY CDE DCF. Record result(s) in intersecting space. __ 4. Add resulting values in middle and right-hand columns to calculate Site Boundary TEDE and THY CDE dose rates (mrem/hr) for Main Steam Release (sum of Main Steam and AFWPT). TEDE DCF from THY CDE DCF from Attachment 4: Attachment 4: TOTAL OF UNIT 1 MAIN STEAM VALUES: UNIT LAFWPT VALUE: TOTAL OF UNIT 2 MAIN STEAM VALUES: 

                                                                                            /

UNIT 2 AFWPT VALUE: SUM OF AFFECTED UNIT('s) MAIN STEAM AND AFWPT tTEDE J mrem/hr: I_____ a THY CDE mrem/hr: Completed by: Date/Time:

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 CONTAINMENT RELEASE - SITE BOUNDARY DOSE RATE 15 ATTACHMENT PAGE 3 1 of 1 NOTE:

  • Monitor Conversion Factors (MCF). Site Boundary X/Q. TEDE Dose Conversion Factors (TEDE DCF) and Thyroid CDE Factors (THY DCF) are provided on Attachment 4.

The CHRRMS Monitor Conversion Factor is calculated for design leak rate of 0.1% per day. Date:  : Time:_________ CONTAINMENT: C R/hr x MCF x XIQ ) / WINDSPEED = Value RMS-165 or RMS-166: (_____ x ____ x _____ _____ RMS-265 or RMS-266: C_____ x ____ x _____ _____ __ 1. Record result of calculation above in left-hand column of table below (enter N/A if unit NOT affected). __ 2. Record TEDE and THY CDE Dose Conversion Factors (DCFs) from Attachment 4 in top box of middle and right-hand columns in table below. __ 3. Multiply monitor value in left-hand column by TEDE DCF and THY CDE DCF. Record result(s) in intersecting space. __ 4. Add resulting values in middle and right-hand columns to determine Site Boundary TEDE and THY CDE dose rates (mremfhr) from Containment leakage. TEDE DCF from THY CDE DCF from Attachment 4: Attachment 4: UNIT 1 CONTAINMENT: UNIT 2 CONTAINMENT: SUM OF AFFECTED UNIT('s) CONTAI NMENT( ITEDE 1 mrem/hr: jTHY CDE mrem/hr: Completed by: Date/Time: I r

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MONITOR CONVERSION FACTORS. 15 ATTACHMENT SITE BOUNDARY XIQ VALUES. TEDE FACTORS. AND THYROID CDE FACTORS PAGE 4 _______________ 1 of_2 MONITOR CONVERSION FACTORS (MCF) for Vent Release (Attachment 1): MONITOR MSLB SGTR FHA WGDT VCT LOCA MELT LOCA GAP LOCA PC NORMAL VG-179-I 8.8E-1 8.6E-I-8.IE-l VG-179-2 1.OE+O 1.0E40-1.IE+O VG-180-1-9.2E-1-7.9E-I 8.2E-1 8.SE-1 9.2E-l VG-180-2-I.OE+O-7.3E40 6.8E+O 1.5E-iO 1.OE+O GW-178-1-7.7E-l 9.OE-1-9.3E-I GW-178-2-I.lE4O 1.OE4O -LiE-fO SV-121.-221 3.IE-4 2.2E-4-1.4E-4 MONITOR CONVERSION FACTORS (MCF) for Main Steam Release (Attachment 2): MONITOR MSLB SGTR LKD. ROTOR NORMAL MS-1(2)70 MS-1(2)71 5.3E+3 6.9E+3 3.9E+2 5.7E+3 MS-1( 2)72 MS-176 1.9E+3 4.2E+3 4.3E+2 3.5E+3 MS-276 2.6E+3 5.7E+3 5.6E+2 4.6E+3 MONITOR CONVERSION FACTORS (MCF) for Containment Release (Attachment 3): MONITOR LOCA MELT LOCA GAPfLOCA PC__J__NORMAL RMS-1(2)65 RMS-1(2)66 Ij 6.6E-2 6.3E-2 Ij 1.OE-1 I 1.7E-1 (CONTINUED ON NEXT PAGE)

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MONITOR CONVERSION FACTORS. 15 ATTACHMENT SITE BOUNDARY XIO VALUES. PAGE TEDE FACTORS. AND THYROID CDE FACTORS 4 2 of 2 X/Q. SITE BOUNDARY: STABILITY CLASS A 1.65 E-5 C 5.98 E-5 DI 1.77 E-4 

                                                           *E 3.46  E-41        F 7.26 E-4 G

1.40 E-3 TEDE DOSE CONVERSION FACTORS (TEDE DCF): THYROID CDE DOSE CONVERSION FACTORS (THY DCF): KSLB SGTR FIIA WG DT LOCA MELT LOCA GAP LOCA PC LKD. ROTORj [FILTEREDj fLSE+i 7.1E-1 2.5E-5 1.6E+4 43E2 2.4E+2 3.7E+4 REhII I J1.SE-I 7.IE-2 2.5E-6 1.6E+3 4.3E+1 2.4E+1

NUMBER A1TACHMENT TITLE REV ISION EPIP-4.08 DETERMINATION OF 2. 5 AND 10 MILE DOSE RATES 15 ATTACHMENT PAGE 5 1 of 1 STABILITY CLASS CORRECTION FACTOR MILES A B C D E F G 2 0.359 0.109 0.234 0.271 0.289 0.331 0.414 5 0.158 0.023 0.0484 0.0678 0.0838 0.0964 0.136 10 0.0815 0.0121 0.0154 0.0249 0.0347 0.0399 0.0564 CALCULATION: SUM OF TEDE: CORRECTION FACTOR TEDE mrem/hr AU. 1: ________ 2 miles: 2 miles: AU. ATT. 2: 3: _______ I SUM: _________ CORRECTION FACTOR TEDE mr'emlhr IIZIIILIIIIIIIII 5 miles: - 5 miles: TEDE SITE DOSE BOUNDARY RATE. x ________________________________________ ___________________________ mrem/hr CORRECTION FACTOR TEDE mrem/hr 10 miles: = 10 miles: SUM OF THY CDE: THY CDE mremlhr AU. 1: ______ 2 miles: AU. 2: ______

  • AU. 3: ______

SUM: ________ THY CDE mr'em/hr 

   .ZIZIIII                                                                      =          5 miles:

t

  • THY. CDE -x DOSE RATE SITEmrem/h BOUNDARY THY CDE rnremlhr
                                                                                 =         10 miles:

NUMBER ATTACHMENT TITLE REV ISION EPIP-4.08  % RELEASE LIMIT WORKSHEET 15 ATTACHMENT PAGE 6 1 of 1 S S NOTE:

  • release limit should be calculated for allaffected release pathways.

MGPI Normal Range Noble Gas monitors: 178-1, 179-1 and 180-1. MGPI High Range Noble Gas monitors: 178-2. 179-2 and 180-2. Date:  : Time:_________  % RELEASE LIMIT 4 VENT VENT A: jiCi/sec x CF =  % TS Highest % VG-179-1: __________ x 4.41 E-4 = ___________ jiCilcc x *CFM CF ZTS VG-179-1: __________ x _________ x 2.08 E-1 = __________ VENT VENT B: pCi/sec x CF  % TS HighestZ VG-180-1: __________ x 5.02 E-4 ____________ pCi/cc x CFM CF = TS VG-180-1: __________ x _________ x 2.37 E-1 __________ PROCESS VENT pCi/sec x CF = Z TS I-IighestZ GW-178-1: __________ x 6.57 E-5 ___________ pCi/cc x CFM CF ZTS GW-178-1: __________ x _________ x 3.01 E-2 = __________ AIR EJECTOR MONITORS: CPM x CFM x CF = SV-121: __________ x _________ x 6.4 E-4 = ________________ CPM x CFM x CF = SV-221: __________ x _________ x 6.4 E-4 = ________________ Completed by: - TOTAL Z RELEASE LIMIT: ________________ Date/Time:

  • 1.

VIRGINIA POWER NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE NUMBER PROCEDURE TITLE REV ISI ON EPIP-4.09 SOURCE TERM ASSESSMENT 15 (With 6 Attachments) PAGE 1 of 12 PURPOSE Provide guidance and data to Dose Assessment Team to more accurately predict offsite releases. LEVEL 2COPY THIS DOCUMENT SHALL BE VERIFIED TO ACONTROLLED SOURCE AS REQUIRED To PERFORM WORK ENTRY CONDITIONS Any of the following:

1. Entry from EPIP-4.O1. RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE.
2. Entry from EPIP-4.03. DOSE ASSESSMENT TEAM CONTROLLING PROCEDURE.

Approvals on File Effective Date 27Z2/2OQL

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 2 of 12 ACTION/EXPECTED RESPONSE H-H RESPONSE NOT OBTAINED F- _____ 1 INITIATE PROCEDURE: 

*          . By:    ________________

Date: _______________ Time: ______________ NOTE:

  • Source term is expressed in Ci/sec.
  • Source term calculations derived from monitor readings should be used only for initial assessment and to establish trends. Sampling should also be performed to more accurately determine the source term.
  • Source term derived from Containment High Range Monitors or Containment sampling is used for analysis following a LOCA.

Sampling of Containment atmosphere following a LOCA should be considered after plant conditions have stabilized only. _____ 2 DETERMINE METHOD FOR SOURCE TERM CALCULATION:

  • Station Monitors - GO TO Step 3
  • Sample Effluent - GO TO Step 4
  • Sample of Station Inventory - GO TO Step 7
  • Containment High Range Monitor (Inner Crane Wall) - GO TO Step 8
  • Sample of Containment Air - GO TO Step 9

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 3 of 12 -Eli-i ACTION/EXPECTED RESPONSE [-H RESPONSE NOT OBTAINED H-NOTE:

  • MGPI Normal Range Noble Gas monitors: 178-1, 179-1 and 180-1.

MGPI High Range Noble Gas monitors: 178-2. 179-2 and 180-2.

  • The Condenser Air Ejector may be diverted to containment.

______ 3 DETERMINE SOURCE TERM FROM STATION MONITORS: a) Get monitor readings and a) IF monitor readings NOT effluent flow rates (cfm) for available, THEN GO TO Step 4. release pathways of concern:

  • Vent Vent A: VG-179
  • Vent Vent B: VG-180
  • Process Vent: GW-178
  • Condenser Air Ejector:

SV-121, SV-221

  • Main Steam:

MS-170. MS-171. MS-172. MS-270, MS-271. MS-272

  • AFWPT: MS-176. MS-276 b) Record the following information on Attachment 1:
  • Date
  • Time
  • Flow rate (when applicable) and monitor reading (jtCi/sec or tCi/cc) for pathway(s) of concern c) Determine accident type d) Determine status of effluent charcoal filtration (STEP 3 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 4 of 12 -LIEEI-[ ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F-3 DETERMINE SOURCE TERM FROM STATION MONITORS: (Continued) e) Determine Monitor Conversion Factors (MCF) and Iodine Conversion Factors (Iodine CF) using Attachment 2 f) Record conversion factors on Attachment 1 g) Use Attachment 1 to calculate Iodine and Noble Gas release rates. Ci/sec h) Add Ci/sec for all pathways of concern AND Record results at end of Attachment 1 i) Give results to RAD or RAC

NUMBER PROCEDURE TITLE REVISION EPIP-4.O9 SOURCE TERM ASSESSMENT 15 PAGE 5 of 12 -LIiEl-t ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F-NOTE:

  • In the event that a release involves multiple pathways. Step 4 should be repeated for each pathway. Results of each analysis are then added to determine the total source term.
  • The Condenser Air Ejector may be diverted to containment.

eliminating need to assess source term. _____ 4 DETERMINE SOURCE TERM FROM EFFLUENT SAMPLE: a) Ask Radiation Protection a) IL source term determination Supervisor to initiate from effluent sample NOT EPIP-4.24. GASEOUS EFFLUENT required. THEN GO TO Step 7 SAMPLING DURING AN EMERGENCY, for sample of appropriate pathway:

  • Vent Vent A
  • Vent Vent B
  • Process Vent
  • Condenser Air Ejector b) Get monitor reading:
  • Maximum:___________________
  • Reading at time of sample:

c) Have Count Room analyze sample:

  • Request initiation of EPIP-4.26. HIGH LEVEL ACTIVITY SAMPLE ANALYSIS, for high activity samples (STEP 4 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REV ISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 6 of 12 -LEN N/EXPETED RESPONSE RESPONSE NOT OBTAINED 1-4 DETERMINE SOURCE TERM FROM EFFLUENT SAMPLE: (Continued) d) Record nuclide activity on Attachment 3. left column AND Add results to determine Noble Gas and Iodine gross activity, pCi/ml e) Check if this is an initial e) GO TO Step 4.g. source term assessment f) Check if sample taken at f) I.E sample NOT taken at maximum maximum monitor reading monitor reading. Ififit do the following:

1) Determine corrected jiCi/cc for gross Noble Gas and for Iodine:

MAX READING x jiCi = CORRECTED _____________ - iiCi/cc READING AT cc TIME OF SAMPLE

2) Record results on Attachment 4.
3) GO TO Step 4.h.

g) Get Noble Gas activity from Attachment 3 and record activity on to Attachment 4 h) Get effluent flow rate (cfm) i) Record cfm on Attachment 4 j) Record Iodine activity on Attachment 4 (STEP 4 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE - 7 of 12 -tEd ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED H-4 DETERMINE SOURCE TERM FROM EFFLUENT SAMPLE: (Continued) k) Use Attachment 4 to calculate Noble Gas and Iodine source term (Ci/sec)

1) Add Ci/sec for applicable pathways at end of Attachment 4

_____ 5 DETERMINE DDE, TEDE AND THYROID CDE DOSE CONVERSION FACTORS BASED ON SAMPLE RESULTS: a) Use Attachment 3 that was a) Do Steps 4.a through 4.d previously filled out for gross activity determination AND GO TO Step 5.b. b) Do calculations on Attachment 3 to determine the following conversion factors:

  • Sample DDE DCF
  • Sample TEDE DCF
  • Sample THY CDE DCF C) Determine TEDE/ODE ratio:

TEDE DCF = ____________Ratio TEDE/DDE DDE DCF d) Give source term results, Ci/sec. and TEDE/DDE ratio to RAD or RAC

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 8 of 12 -LFJ-C ACTION/EXPECTED RESPONSE H-H RESPONSE NOT OBTAINED H- ______ 6 DETERMINE SITE BOUNDARY DOSE RATES BASED ON EFFLUENT SAMPLE RESULTS: a) Ask RAD or RAC if Site Boundary a) GO TO Step 7. dose rate calculation based on effluent sample - DESIRED b) Record TEDE and THY CDE DCFs from bottom of Attachment 3 on to Attachment 5:

  • Record on calculation line for each affected pathway c) Get effluent flow rate (cfm) for each affected pathway d) Record CFM on Attachment 5 NOTE:
  • Main Tower Delta T is the preferred source of stability class.

Sigma Theta (Backup Tower) is the secondary source. Primary source of wind speed is the Main Tower Lower Level indicator. Alternates sources are (1) Backup Tower, and (2) Main Tower Upper Level. e) Determine Stability Class and wind speed:

  • Ask RAD or RAC f) Use Attachment 5 Site Boundary X/O value for appropriate Stability Class and divide by wind speed g) Record corrected XIO value on calculation line for each affected pathway h) Do calculations to determine Site Boundary TEDE and THY CDE dose rate. mrem/hr i) Give results to RAD or RAC

NUMBER PROCEDURE TITLE REV ISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 9 of 12 -Eli-f ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F- _____ 7 DETERMINE SOURCE TERM FROM STATION INVENTORY: a) Check if release originated a) GO TO Step 8. from a gas storage tank (je. Waste Gas Decay Tank. Volume Control Tank. etc.) b) Have tank sampled c) Ask Dose Assessment Team Leader to get information on volume of release from Emergency Techni cal Director d) Get sample activity results. jxCi/ml. for total of Noble Gas and Iodine:

  • Use Count Room results or completed Attachment 3 e) Record the following on Attachment 4:
  • Noble Gas activity
  • Iodine activity
  • Volume of release. ml
  • Duration of release. sec f) Use Attachment 4. Station Inventory section. to determine Noble Gas and Iodine release rate, Ci/sec g) Give results to RAD or RAC

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 10 of 12 ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F- _____ 8 DETERMINE SOURCE TERM FROM CONTAINMENT HIGH RANGE MONITOR (INNER CRANE WALL): a) Check if LOCA conditions exist a) GO TO Step 10. b) Get dose rate (Rfhr) from Containment High Range Monitor (Inner Crane Wall) of affected unit:

  • Unit 1 Higher of RMS-165 or RMS-166:______________
  • Unit 2 Higher of RMS-265 or RMS-266:______________

c) Determine length of time (hours) since unit shutdown d) Use Attachment 6 to estimate Curies Noble Gas (Ci NG) and Curies Iodine (Halogens) available for release e) Calculate release rate: Ci Noble Gas x 4.35E-8 _________Ci/Sec Noble Gas Ci Iodine x 4.35E-8 _________Ci/sec Iodine f) Give results to RAD or RAC

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 15 PAGE 11 of 12 ACTION/EXPECTED RESPONSE F-H RESPONSE NOT OBTAINED H- _____ 9 DETERMINE SOURCE TERM FROM CONTAINMENT AIR SAMPLE: a) Check if LOCA conditions exist a) GO TO Step 10. b) Check plant conditions - STABLE b) Wait until plant conditions are stable before taking sample. c) Check normal sample system - c) Evaluate implementation of AVAILABLE (< 300 iCi/mL DEl Contingency Plan considering anti ci pated) the following:

  • CH-94.300. HIGH RADIATION SAMPLING SYSTEM CONTROL.
  • TSC Technical Support Team input (information contained in Emergency Response Guideline Executive Volume section on Evaluations by Plant Engineering Staff may support informed decision).

d) Determine the following:

  • Preferred sample point
  • Analysis required for sample
  • Use of normal sampling procedures or contingency sample plan e) Ask RPS assign EPIP-4.35.

CHEMISTRY SAMPLING f) Record sample results (nuclide concentration) on Attachment 3. left column g) Determine gross activity. xCi/ml. for Noble Gas and Iodine h) Calculate release rates: j<iCi/ml x 2.25E+3 x 1.OE-6 = Ci/Sec i) Record results: ______________Ci/sec Noble Gas _______________Ci/sec Iodine j) Give results to RAD or RAC

NUMBER PROCEDURE TITLE EPIP-4.09 SOURCE TERM ASSESSMENT -EEl-C ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F- _____ 10 TERMINATE EPIP-4.09:

  • Give completed EPIP-4.09. forms.

and other applicable records to the Radiological Assessment Director

  • Completed by: _______________

Date: _______________ Time: ______________ 

                                                          -END -

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MONITOR Cl/sec WORKSHEET 15 ATTACHMENT PAGE 1 1 of 2 NOTE:

  • Monitor Conversion Factors (MCF) and Iodine Conversion Factors (Iodine CF) are provided on Attachment 2.
  • MGPI Normal Range Noble Gas monitors: 178-1, 179-1 and 180-1.

MGP I High Range Noble Gas monitors: 178-2. 179-2 and 180-2. Date:  ; Time:_________ IODINE NOBLE GAS VENT VENT A: Ci /sec Cl/sec Highest Cl/sec VG-179: 1 tCl/sec x HCF x 1.OOE-6 - Cl/sec II m i- Cl/sec NG (-1.-2) _________ x ________ x 1.OOE-6 XI MINUS YG-179: pCi/cc x NCF x CFM x 4.72E-4 - Cl/sec I (Att.2): - Iod.j C-1.-2) ________ x x ________ z 4.72E-4 - L1 LJ I VENT VENT B: Highest Cl/sec VG-I8O: pCi/sec x MCF x 1.OOE-6 - Cl/sec II II C-I.-2) _________ x ________ x 1.OOE-6 r Cl/sec NO XI MINUS VO-IBO: pCi/cc x IICF x CFI x 4.72E-4 - Cl/sec FECF Id/Sec lad. C-1.-2) ________ x x ________ x 4.72E-4 LiiIi AIR EJECTOR: CPM x MCF x CFM SV-121: __________ x x CPI4 x MCF x CFH SV-221: __________ x x ___________ II Cl/sec NO

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MONITOR Cl/sec WORKSHEET 15 ATTACHM ENT PAGE 1 2 of 2 PROCESS VENT: Highest Cl/sec GW-176: pCI/sec x MCF x 1.OOE-6 - Cl/sec m m C-1.-2) ________ x ____ x l.OOE-6 XI MINUS r 1 CIIsec NG GW178: 1tCI/cc x MCF x CFI1 x 4.72E-4 - Cl/sec IODINE CF Id/sec lad. (Att. 2): - (-1.-2) _________ x _______ x ________ x 4.72E-4 MAIN STEAM: mR/hr x I valves MCF Cl/sec SUM OF Cl/sec II m 115-170: ___________ x __________ x MS-171: 115-172: x x x x IODINE CF MINUS F - Cl/sec lad. 1 C1/sec LJ NG (Att. 2): - MS -270 ___________ x _________ x 115-271: ___________ x _________ x 115-272: __________ x _________ x AFWPT: mR/hr x MCF Cl/sec SUM OF Cl/sec 115-176: __________ x __________ - ___________ _____________ 

                                                                                                                -         Cl/sec NI 115-276: __________    x    __________        -               ___________

IODINE CF Cl/sec lad. TOTAL Curles/sec: Sum aoove results for Iodine and for Noole gas (seaarately). II II TOTAL TOTAL Cl/sec 100 Comaleted ay: Date/Time:

NUMBER ATTACHMENT TITLE REV ISION EPIP-4.09 MONITOR CONVERSION FACTORS 15 AlTACI-IMENT AND IODINE CONVERSION FACTORS PAGE 2 ______________ 1 of 2 MONITOR CONVERSION FACTORS (MCF) for Vent Vent A: MONITOR CONVERSION FACTORS (MCF) for Vent Vent B: MONITOR } FHA f LOCA MELT LOCA GAP VG-180-1__}_9.2E-4_f__7.9E-4 8.2E-4 VG-180-2 1.OE-3 7.3E-3 6.8E-3 MONITOR CONVERSION FACTORS CMCF) for Air Ejector: I MONITOR SV -121,-221 MSLB 3.1E-7 j SGTR 2.2E-7 NORMAL 1.4E-7 MONITOR CONVERSION FACTORS (MCF) for Process Vent: MONITORWGDT VCT NORMAL GW-178-1 7.7E-4 9.OE-4 93E-4 GW-178-2 1.1E-3 1.OE-3 1.1E-3 (CONTINUED ON NEXT PAGE)

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 ,MONITOR CONVERSION FACTORS 15 ATTACHMENT AND IODINE CONVERSION FACTORS PAGE 2 ______________ 2 of 2 MONITOR CONVERSION FACTOR (MCF) for Main Steam: MONITOR MS-1(2)70 MS-1(2)71 I F MSLB 5.3E+O SGTR 6.9E+O LI(D. ROTOR 3.9E-1 j I __ NORMAL 5.7E+O MONITOR CONVERSION FACTORS (MCF) for AFWPT: I IODINE CONVERSION FACTORS (ICF): NSLB SGTR FAA IJGDT LOCA MELT LOCA GAP LOCA PC jLKD. ROTOR UNFILTERED 2.OE-1 5.lE-3 2.4E-3 1.8 E.5f 5. 4E-1 8.8E-2 6.2E-2 2.6E-1 FILTERED 5.4E-4 5.2E-5 2.4E-4 1.8 E-61 5. 4E-2 8.8E-3 6.2E-3

NUMBER ATTACHMENT TITLE REV ISION EPIP-4.09 NOBLE GAS. IODINE AND DOSE CONVERSION FACTOR WORKSHEE 15 ATTACHMENT USING SAMPLE ANALYSIS RESULTS PAGE 3 1 of 1 Sample Identification: *:Sample Time: ____________ NOTE:

  • Total Noble Gas and Iodine activity. pCi/ml. are for use on Attachment 4.
           .      Total TEDE DCF and THY CDE DCF are for use on Attachment 5.

NUCLIDE ACTIV. EPA SAMPLE EPA SAMPLE EPA SAMPLE jiCi/ml DDE DDE TEDE TEDE THY CDE THY CDE DC F DC F DC F Kr-83M NA Kr-85 x 1.3 x 1 Kr-85M x 93 x 1 Kr-87 x 510 x 1 Kr-88 x 1300 x 1 Kr-89 x 1200 x 1 Xe- 131M x 4.9 x 1 Xe-133 x 20 x 1 Xe- 133M x 17 x 1 Xe- 135 x 140 x 1 Xe- 135M x 250 x 1 Xe- 137 x 110 x 1 Xe -138 x 710 x 1 TOTAL NOBLE GAS, itCi/ml: CONTINUE CONTINUE ADDING ADDING DOWN DOWN I I 1-125 _________ x 6.3 x 4762 ______ x32 1-129 _________ x 4.8 = x 43750 ______ x33 1-131 __________ x 220 x 241 = ______ x24.5 1-132 __________ x 1400 = x 3.5 ______ xl.6 1-133 __________ x 350 x 43 = ______ x14.6 1-134 __________ x 1600 x 1.9 = ______ xO.43 1-135 __________ x 950 = x 8.5 = ______ x4.7 TOTAL IODINE. jiCi/mi: TOTAL TOTAL TEDE DCF: THY. CDE DCF: Completed by: Date/Time:

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 SAMPLE EFFLUENT Cilsec WORKSHEET 15 ATTACHMENT PAGE 4 1 of 1 Ci/sec MONITOR tiCi/mi CFM NOBLE GAS IODINE VV A: N.G. x CFM x 4.72E-4 __________ x __________ x 4.72E-4 100. x CFM x 4.72E-4 __________ x __________ x 4.72E-4 VV B: N.G. x CFM x 4.72E-4 _________ x __________ x 4.72E-4 100. x CFM x 4.72E-4 __________ x __________ x 4.72E-4 PV: N.G. x CFM x 4.72E-4 _________ x _________ x 4.72E-4 100. x CFM x 4.72E-4 __________ x __________ x 4.72E-4 AIR EJECTOR #1: N.G. x CFM x 4.72E-4 _________ x __________ x 4 .72E-4 100. x CFM x 4.72E-4 __________ x __________ x 4.72E-4 AIR EJECTOR #2: N.G. x CFM x 4.72E-4 __________ x _________ x 4.72E-4 IOD. x CFM x 4.72E-4 __________ x __________ x 4.72E-4 STATION INVENTORY: N.G. x VOLUME (mls x 1.OE-6 I SECONDS __________ x x 1.OE-6 / __ = 100. x VOLUME (mis: x 1.OE-6 / SECONDS __________ x x 1.OE-6 / __ = SUM Ci/sec: NG 100 Completed by: ________________________ Date: _______________ Time: _____________

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 SAMPLE EFFLUENT SITE BOUNDARY DOSE RATE WORKSHEET 15 ATTACHMENT PAGE 5 1 of 1 NOTE: TEDE and Thyroid COF factors from Attachment 3 are to be applied to this worksheet. X/O. SITE BOUNDARY: TEDE OCF OR XO TEDE THY. CDE MONITOR THY COF OCE CFM WINOSPEED mremhr nirenilh r VY A: TEDE CFM x 4 .72E-1 XIQ/WINDSPEED x A 4 .72E-1 A ______________ THY CDE CEM A 4.72E-1 x X/O/WINOSPEED x A 4.72 E-1 A ______________ VV B: TEDE CFM A 4.72 E-1 X/OIWINOSPEED x A 4.72 E-1 A _____________ THY COE CFM A 4.72 E-1 X/OIWINDSPEED x 4.72 E-1 A _____________ 

  £!..       TEDE               CFM      A   4.72 E-1 x X/O/WINOSPEED x               A   4.72 E1   A _____________

THY CDE CFM A 4.72 E-1 x XIO/WINDSPEED A x 4.72 E-1 A _____________ AIR EJECTOR El: TEDE CFM A 4.72 E-1 x X/UIWINOSPEED A x 4.72 E-1 A _____________ THY CDE x CFM 4.72 E-1 x X/OIWINDSPEED ______ A ______ A 4.72 E-1 A ______________ AIR EJECTOR 12: TEDE x CFM x 4.72E-1 x XIOIWINDSPEED ______ A ______ A 4.72E-1 A ______________ THY CDE x CFM x 4.72E-1 X/Q/WINOSPEED ______ A ______ A 4.72E-1 A ______________ STATION INVENTORY: TEDE x VOLUME (mis) A 1.OE-3 I SECONDS x X/O/WINDSP. ______ A _______ A 1.OE-3 I __ A ____ - THY CDE A VOLUME (mis) x 1.OE-3 I SECONDS x XIO/WINOSP. ______ A ______ A 1.0 E-3 / __ A ____ - Comoleted Dy: SUM mrem/hr: TEDE THY CDE Date/Time: I

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MATRIX: . 15 ATTACHMENT PAGE CHRRMS - EVENT - AVAILABLE CURIES 6 1 of 2 NOTE: . No letdown or sprays are assumed available. S Containment Air concentration (iCi/cc) = Ci Cont. Air x 1.92E-5. RCS concentration (j.iCi/cc) Ci. Cont. Air x 3.765E-3. S Data is given for 0. 1. 2 and 4 hours after LOCA occurs. HOURS AFTER CHRRMS I R/hr .1 EVENT DESCRIPTION Ci N.G. 'I Ci IODINE Cont. Air .1(HALOGEN) RCS D.E. 1-131 LOCA Cant. Air *pCi/ml 4.4 E+8 Ci 1.99E+5 1.5E+6 100% NG. 50% HAL 8.2 E+8 Ci Released to Cont. Air j.rCi/ml 1.5E+5 10% NG. 5% HAL 8.2E+7 Ci 4.4E+7 Ci 1.99E+4 Released to Cont. Air pCi/ml 1.5E+4 1% NG. .5% HAL 8.2E+6 Ci 4.4E+6 Ci 1.99E+3 Released to Cant. Air pCi/ml 1.9E+3 100% GAP 1.74E+6 Ci *1.59E+6Ci *2.76E+3 Released to Cont. Air pCi/rnl 1.9E+2 10% GAP 1.74E+5 Ci 1.59E+5 Ci 2.76E+2 Released to Cont. Air jiCi/ml 1.9E+1 1% GAP . 1.74E+4 Ci 1.59E+4 Ci 2.76E+1 Released to Cont. Air . pCi/ml 9.0 1% Failed Fuel 6.12E+4 Ci 2.OOE+3 Ci 2.40E+O Primary Gas Release pCi/ml I I HOURS CHRRMS AFTER I R/hr LOCA j EVENT DESCRIPTION ________________________ J CiN.G. Ci IODINE Cont. Air I (HALOGEN) __________ JCant. Air Lr 5.5E+5 100% NG. 50% HAL Released to Cont. Air 3.57E+8 Ci 2.72 E+8 Ci 5.5E+4 10% NG, 5% HAL 3.57E+7.Ci 2.72E+7 Ci

  • Released to Cant. Air 5.5E+3 1% NG. .5% HAL 3.57E+6 Ci 2.72E+6 Ci Released to Cant. Air 1.75E+3 100% GAP 1.69E+6 Ci 1.45E+6 Ci
  • Released to Cant. Air 1.75E+2 10% GAP 1.69E+5 Ci 1.45E+5 Ci Released to Cant. Air 1.75E+1 1% GAP 1.69E+4 Ci 1.45E+4 Ci Released to Cant. Air 8.0
  • 1% Failed Fuel. 6.O1E+4 Ci 1.84E+3 Ci Primary Gas Release

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MATRIX: 15 ATTACHM ENT PAGE CHRRMS - EVENT - AVAILABLE CURIES 6 2 of 2 NOTE:. No Letdown or Sprays are assumed available. 0 Containment Air concentration (iCi/cc) = Ci Cont. Air x 1.92E-5.. 0 RCS concentration (jiCi/cc) Ci Cont. Air x 3.765E-3. S Data is given for 0. 1. 2 and 4 hours after LOCA occurs. HOURS CHRRMS EVENT DESCRIPTION Ci N.G. Ci IODINE AFTER R/hr Cont. Air (HALOGEN) LOCA. Cont. Air 2 4.OE+5 100% NG. 50% HAL .. 3.14E+8 Ci 2.26E+8 Ci Released to Cont. Air 4.OE+4 10% NG, 5% HAL 3.14E+7 Ci 2.26E+7 Ci Released to Cont. Air 4.OE+3 1% NG. .5% HAL 3.14E+6 Ci 2.26E+6 Ci Released to Cont. Air 1.SE+3 100% GAP 1.65E+6 Ci *1.37E+6 Ci Released to Cont. Air 1.SE+2 10% GAP 1.65E+5 Ci 1.37E+5 Ci Released to Cont. Air 1.SE+1 1% GAP . 1.65E+4 Ci 1.37E+4 Ci Released to Cont. Air. 7.5 1% Failed Fuel 6.OOE+4 Ci 1.73E+3 Ci Primary Gas Release I I HOURS CHRRMS AFTER I R/hr LOCA J _____ EVENT DESCRIPTION Ci N.G. I Ci IODINE Cont. Air I (HALOGEN) _______ j Cont. Air 4 2.75 E+5 100% NG. 50% HAL 2.70E+8 Ci 1 .78E+8 Ci Released to Cont. Ai r 2.75E+4 10% NG. 5% HAL 2.70E+7.Ci . 1.78E+7 Ci Released to Cont. Air 2.75E+3 1% NG. .5% HAL 2.70E+6 Ci 1.78E+6 Ci Released to Cont. Air 1.2E+3 100% GAP 1.59E+6 Ci 1.25E+6 Ci Released to Cont. Air 1.2E+2 10% GAP . 1.59E+5Ci 1.25E+5 Ci 

                       *Released to Cont. Air 1.2E+1     1% GAP                             1.59E+4 Ci    1.25E+4 Ci Released to Cont. Air 7
  • 1% Failed Fuel. 5.85E+4 Ci 1.56E+3 Ci Primary Gas Release}}
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