ML040570063

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5 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 DOCUMENT NUMBER EPIP-1.01 EPIP-1.02 EPIP-1.03 EPIP-1.04 EPIP-1

  • 05 EPIP-1
  • 06 EPIP-2. 01 EPIP-2. 02 EPIP-3.02 EPIP-3
  • 03 EPIP-3. 04 EPIP-3.05 EPIP-4.01 EPIP-4
  • 02 EPIP-4.03 EPIP-4.04 EPIP4.05 EPIP-4
  • 06 EPIP-4.07 EPIP-4.08 EPIP-4.09 EPIP-4.10 EPIP-4.13 APPROVAL EFFECTW REV

DATEN WDATEN 039 01/15/04 01/15/04 011 09/07/99 10/01/99 014 09/07/99 10/01/99 014 09/07/99 10/01/99 016 09/07/99 10/01/99 004 09/05/01 09/05/01 025 08/13/02 08/28/02 015 08/13/02 08/28/02 021 03/04/03 03/17/03 013 03/04/03 03/17/03 015 07/14/98 07/20/98 002 04/02/03 04/08/03 020 06/24/03 07/01/03 015 06/24/03 07/01/03 011 12/20/93 01/01/94 009 11/21/94 11/28/94 009 01/28/0 0 02/04/00 009 12/21/95 12/28/95 014 09/29/00 10/06/00 015 12/17/03 02/12/04 015 12/17/03 02/12/04 011 08/13/02 08/28/02 009 09/29/00 10/06/00 DOCUMENT TIThE EMERGENCY MANAGER CONTROLLING PROCEDURE RESPONSE TO NOTIFICATION OF LR4USUAL EVENT RESPONSE TO ALERT RESPONSE TO SITE AREA EMERGENCY RESPONSE TO GENERAL EMERGENCY PROTECTIVE ACTION RECOMMENDATIONS NOTIFICATION OF STATE AND LOCAL GOVERNMENTS NOTIFICATION OF NRC ACTIVATION OF TECHNICAL SUPPORT CENTER ACTIVATION OF OPERATIONAL SUPPORT CENTER ACTIVATION OF LOCAL EMERGENCY OPERATIONS FACILITY AUGMENTATION OF EMERGENCY RESPONSE ORGANIZATION RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE. RADIATION  DOSE ASSESSMENT TEAM CONTROLLING EMERGENCY PERSOW4EL RADIATION EXPOSURE RESPIRATORY PROTECTION AND KI ASSESSMENT PERSONMEL MONITORING AND DECONTAMINATION. PROTECTIVE MEASURES INITIAL OFFSITE RELEASE ASSESSMENT SOURCE TERM ASSESSMENT DETERMINATION OF X/Q 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 DOCUMENT NUMBER EPIP-4.14 EPIP-4.15 EPIP-4.16 EPIP-4.17 EPIP-4.18 EPIP-4.21 EPXP-4.24 EPIP-4

  • 26 EPIP-4.28 EPIP-4.30 EPIP-4.31 KJ EPIP-4.33 EPIP-4.34 EPIP-4.35 EPIP-5
  • 01 EPIP-5.03 EPIP-5
  • 04 EPIP-S
  • 05 EPIP-5. 07 EPIP-5. 08 EPIP-5.09 EPIP-6.01 REV 007 011 015 016 013 008 013 012 007 005 003 003 003 000 011 016
  • 010 013 012 008 004 007 APPROVAL

WDATE 12/20/93 02/18/00 12/13/02 12/13/02 12/13/02 12/20/93 04/02/03 06/24/03 01/09/97 04/05/02 06/20/94 11/28/00 12/13/02 0 6/24/03 12/11/96 02/18/00 03/04/03 06/25/96 06/24/03 0 4/0 2/03 08/02/02 05/12/99 EFFECTM NDATE 01/01/94 02/28/00 12/18/02 12/18/02 12/18/02 01/01/94 04/08/03 0 7/0 1/0 3 01/14/97 04109/02 06/20/94 11/30/00 12/18/0 2 67/01/ 03 12/17/96 02/28/00 03/17/03 07/02/96 07/01/ 03 04/08/03 08/15/02 05/17/99 DOCUMENT TITLE INPLANT MONITORING ONSITE MONITORING OFFSITE MONITORING MONITORING CF EMERGENCY RESPONSE FACILITIES MONITORING OF LEOF EVACUATION AND REMOTE ASSEMBLY AREA MONITORING GASEOUS EFFLUENT SAMPLING DURING AN EMERGENCY HIGH LEVEL ACTIVITY SAMPLE ANALYSIS TSC/LEOF RADIATION MONITORING SYSTEM USE OF MIDAS CLASS A MODEL USE OF MIDAS CLASS B MODEL HEALTH PHYSICS NETWORK COMMUNICATIONS FIELD TEAM RADIO OPERATOR INSTRUCTIONS CHEMISTRY SAMPLING TRANSPORTATION OF CONTAMINATED INJJRED PERSONNEL PERSONNEL ACCOUNTABILITY ACCESS CONTROL SITE EVACUATION ADMINISTRATION OF RADIOPROTECTIVE DRUGS DAMAGE CONTROL GUIDELINE SECURITY TEAM LEADER CONTROLLING PROCEDURE 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 2 COPY 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 Effective Date 2/L2/YI. 1*

  • 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 containment.
  • No release is assumed from isolated.

the air ejector if it is diverted to the AFWPT pathway if the AFWPT is

  • 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 (mrem/hr) FOR VENTILATION RELEASE: a) Ask SEM to have an individual observe monitor in alarm and report increase or decrease in readings IF release is through the Main Steam System. THEN GO TO Step 3. OR IF release is from containment 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) Get monitor readings, above background, and flow rates for pathway of interest AND Record data on Attachment 1 d) I.E flow rates NOT available, THEN use default flow rates:

  • VVA -

142,000 cfm

  • VVB -

100.000 cfm

  • 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 (mrem/hr) SITE BOUNDARY DOSE RATES FOR VENTILATION RELEASE: (Continued) g) Record XIQ. wind speed and conversion factors on h) Calculate Site Boundary TEDE and THY CDE. mreni/hr. using 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 release pathway exists through Main Steam Safety Valves or Auxiliary Feedwater Pump Turbine Exhaust (AFWPT) a).jf NO release through Main Steam System. THEN GO TO Step 4. b) Determine number of alarm: monitor in 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 (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 of Main Steam Safety Valves that have lifted or may potentially lift g) IE none. fl!fl{ project release using only ONE valve.

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 j) Record results of Attachment 2 on to Attachment 5 4 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FROM CONTAINMENT LEAKAGE: IF containment leakage not involved. THEN GO TO Step 5. (STEP 4 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REV IS I ON EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 15 PAGE 7 of 13 -tTh1-4 ACTION/EXPECTED RESPONSE H-] RESPONSE NOT OBTAINED H-4 DETERMINE SITE BOUNDARY DOSE RATES (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 RMS-165 RMS-166 Unit 2 RMS -265 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 e) Calculate Site Boundary TEDE and THY..CDE dose rates using 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 -
  • Main Steam -
  • Containment c) Determine Stability Class Correction Factor (top of ) 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 :

  • 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 AREA OR GENERAL EMERGENCY EXISTS GO TO Step 9.

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 RELEASE EMERGENCY INVOLVES LIQUID GO TO Note prior to Step 11.

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 x 6.26E-3 I. _________ Pumps Z Release Limit 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 f) Determine flow rate (cfm) AND Record flow rate on Attachment 6 f) Use the following default flow rates:

  • VVA -

142.000 cfm

  • VVB -

100.000 cfm

  • PV 310 cfm
  • CAE -

25 cfm g) Calculate Z Release Limit using 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 IS I ON

  • 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.

Date:

Time:_________

VENT VENTA: Record highest Vent Vent A value on Page 2 of Attachment 1. VG-179: (-l.-2) (jiCi/sec x 1.OE-3 x MCF x XIO ) I WINDSPEED = Value (______ x 1.OE-3 x x _______) VG-179: (jiCilcc x CFM x 4.72E-1 x MCF (-1.-2) (_______ x ______ x 4.72E-1 x ________ VENT VENT B: Record highest Vent Vent B value oi VG-180: (jiCi/sec x 1.OE-3 x MCF x X/Q) (-1.-2) (_____ xl.OE-3x _____ x _____ VG-180: (jiCilcc x CFM x 4.72E-1 x MCF (-1. -2) (_______ x 4.72E-1 x ________ .ERQf$...YfI1I: Record highest ProcessVent value GW-178: (jiCi/sec x 1.OE-3 x MCF x XIQ ) (-1-2) (_____ xl.OE-3x _____ x ______) GW-178: (jtCi/cc x CFM x 4.72E-1 x MCF (-1.-2) (_____ x ____ x4.72E-lx ______ AIR.U.EUQR: Record sum of Air Ejector values oi SV-121: ( CPM x CFM x MCF x.XIQ ). C____ x ____ x x SV-221: ( CPM x CFM x MCF x XIO ) (____ x ____ x x TI I XIO ) I WINDSPEED = K ____)I = ri Page 2 of Attachment 1. I WINDSPEED = I = K XIQ ) / WINOSPEED K ______)\\/ = on Page 2 of Attachment I WINDSPEED = I = K XIO ) I WINDSPEED K _____ = ri Page 2 of Attachment 1. I WINDSPEED = I WINDSPEED = I = TAL OF AIR EJECTORS = Value Value Value 1. Value Value Value Value

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 6 0 S Highest Vent Vent A value Highest Vent Vent B value Highest Process Vent value 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 .E. = _______________________ : HIGHEST VENT VENT A VALVE: HIGHEST VENT VENT B VALUE: HIGHEST PROCESS VENT VALUE: SUM OF AIR EJECTOR VALUES: SUM OF VENT VENT. I TEDE mrem/hr: 1 THY CDE*mrem/hr: PROCESS VENT AND I I 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. Date:

Time
_________

UNIT 1 MAIN STEAM: ( mR/hr x

  1. 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 IS I ON 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 : TOTAL OF UNIT 1 MAIN STEAM VALUES: UNIT LAFWPT VALUE: TOTAL OF UNIT 2 MAIN STEAM VALUES: UNIT 2 AFWPT VALUE: a SUM OF AFFECTED UNIT('s) t TEDE mrem/hr: THY CDE mrem/hr: MAIN STEAM AND AFWPT J I_____ / 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: RMS-165 or RMS-166: RMS-265 or RMS-266: C R/hr x MCF x XIQ ) / WINDSPEED = Value (_____ x ____ x 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 : UNIT 1 CONTAINMENT: UNIT 2 CONTAINMENT: SUM OF AFFECTED UNIT('s) I TEDE mrem/hr: j THY CDE mrem/hr: CONTAI NMENT(  1 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 I I I RMS-1(2)66 j 6.6E-2 6.3E-2 j 1.OE-1 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 D I

  • E F

G 5.98 E-5 1.77 E-4 3.46 E-41 7.26 E-4 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 IS I ON 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. 2: _______ ATT. 3: _______ SUM: _________ CORRECTION FACTOR TEDE mr'emlhr IIZIIILIIIIIIIII 5 miles: 5 miles: TEDE DOSE RATE. x I SITE BOUNDARY mrem/hr CORRECTION FACTOR TEDE mrem/hr 10 miles: = 10 miles: SUM OF THY CDE: AU. 1: ______ AU. 2: ______

  • AU. 3: ______

SUM: ________ .ZIZIIII THY. CDE DOSE RATE SITE BOUNDARY t mrem/h THY CDE mremlhr 2 miles: THY CDE mr'em/hr = 5 miles: THY CDE rnremlhr = 10 miles: -x

NUMBER ATTACHMENT TITLE REV IS I ON EPIP-4.08 % RELEASE LIMIT WORKSHEET 15 ATTACHMENT PAGE 6 1 of 1 S S 4 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 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: - Date/Time: TOTAL Z RELEASE LIMIT:

  • 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 2 COPY 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. 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 effluent flow rates (cfm) for 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) a) IF monitor readings NOT available, THEN GO TO Step 4.

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 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 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 Supervisor to initiate EPIP-4.24. GASEOUS EFFLUENT SAMPLING DURING AN EMERGENCY, for sample of appropriate pathway: a) IL source term determination from effluent sample NOT required. THEN GO TO Step 7

  • 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 IS I ON 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. left column AND Add results to determine Noble Gas and Iodine gross activity, pCi/ml e) Check if this is an initial source term assessment e) GO TO Step 4.g. f) Check if sample taken at maximum monitor reading f) I.E sample NOT taken at maximum 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.
3) GO TO Step 4.h.

g) Get Noble Gas activity from and record activity on to Attachment 4 h) Get effluent flow rate (cfm) i) Record cfm on Attachment 4 j) Record Iodine activity on (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 previously filled out for gross activity determination a) Do Steps 4.a through 4.d 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 dose rate calculation based on effluent sample DESIRED a) GO TO Step 7. 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 IS I ON 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 from a gas storage tank (je. Waste Gas Decay Tank. Volume Control Tank. etc.) a) GO TO Step 8. 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 :
  • 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 b) Check plant conditions - STABLE c) Check normal sample system - AVAILABLE (< 300 iCi/mL DEl anti ci pated) a) b) GO TO Step 10. Wait until plant conditions are stable before taking sample. c) Evaluate implementation of Contingency Plan considering 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. High Range Noble Gas monitors: 178-2. 179-2 and 180-2. Date:

Time
_________

MGP I VENT VENT A: IODINE Ci /sec NOBLE GAS Cl/sec VG-179: 1tCl/sec x HCF x 1.OOE-6 Cl/sec (-1.-2) _________ x ________ x 1.OOE-6 YG-179: pCi/cc x NCF x CFM x 4.72E-4 Cl/sec Highest Cl/sec II m i-Cl/sec NG XI MINUS   I (Att.2): -  Iod.j L1 LJ I C-1.-2) ________ x x ________ z 4.72E-4 VENT VENT B: VG-I8O: pCi/sec x MCF x 1.OOE-6 Cl/sec C-I.-2) _________ x ________ x 1.OOE-6 Highest Cl/sec II II r Cl/sec NO XI MINUS FECF Id/Sec lad. LiiIi VO-IBO: pCi/cc x IICF x CFI x 4.72E-4 Cl/sec C-1.-2) ________ x x ________ x 4.72E-4 AIR EJECTOR: CPM SV-121: __________ x MCF x CFM 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: GW-176: pCI/sec C-1.-2) ________ GW178: 1tCI/cc (-1.-2) _________ x MCF x x ____ x 1.OOE-6 l.OOE-6 Cl/sec Cl/sec Highest Cl/sec m m XI MINUS r 1CIIsec NG IODINE CF Id/sec lad. (Att. 2): x MCF x CFI1 x 4.72E-4 x _______ x ________ x 4.72E-4 MAIN STEAM: mR/hr 115-170: ___________ MS-171: ___________ 115-172: ___________ MS -270 115-271: ___________ 115-272: __________ x I valves x __________ x __________ x __________ x _________ x _________ x _________ MCF x x x x x x Cl/sec SUM OF Cl/sec II m MINUS F 1C1/sec NG LJ IODINE CF Cl/sec lad. (Att. 2): 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). Comaleted ay: Date/Time: II II TOTAL TOTAL Cl/sec 100

NUMBER ATTACHMENT TITLE REV IS I ON 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: MONITOR MSLB j SGTR NORMAL I SV -121,-221 3.1E-7 2.2E-7 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 F MSLB SGTR LI(D. ROTOR NORMAL MS-1(2)70 j I I __ MS-1(2)71 5.3E+O 6.9E+O 3.9E-1 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 IS I ON 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. jiCi/ml EPA DDE DC F SAMPLE DDE EPA TEDE DC F SAMPLE TEDE EPA THY CDE DC F SAMPLE THY CDE Kr-83M Kr-85 Kr-85M Kr-87 Kr-88 Kr-89 Xe-131M Xe-133 Xe-133M Xe-135 Xe-135M Xe-137 Xe -138 x x x x x NA 1.3 93 510 1300 1200 4.9 20 17 140 250 110 710 x x x x x x x x x x x x x x x x x x x 1 1 1 1 1 1 1 1 1 1 1 1 TOTAL NOBLE GAS, itCi/ml: CONTINUE ADDING DOWN CONTINUE ADDING DOWN I I 1-125 x 6.3 1-129 x 4.8 = 1-131 x 220 1-132 x 1400 = 1-133 x 350 1-134 x 1600 1-135 x 950 = TOTAL IODINE. jiCi/mi: x x x x x x x 4762 43750 241 3.5 43 1.9 8.5 x32 x33 = x24.5 xl.6 = x14.6 = xO.43 = x4.7 TOTAL TEDE DCF: TOTAL 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 VV A: N.G. x x 100. x x VV B: N.G. x x 100. x x PV: N.G. x x 100. x x AIR EJECTOR #1: N.G. x x 100. x x AIR EJECTOR #2: N.G. x x IOD. x x STATION INVENTORY: N.G. x x 100. x x C FM CFM x x CFM x x CFM x x CFM x x CFM x x CFM x x CFM x x CFM x x CFM x x CFM x x VOLUME (mls VOLUME (mis: IODINE 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 4.72E-4 x 1.OE-6 x 1.OE-6 x 1.OE-6 x 1.OE-6 NOBLE GAS I SECONDS / = / SECONDS / __ = SUM Ci/sec: 100 NG 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 MONITOR THY COF OCE XO TEDE WINOSPEED mremhr THY. CDE nirenilh r CFM VY A: TEDE THY CDE VV B: TEDE THY COE £!.. TEDE THY CDE AIR EJECTOR El: TEDE CFM x CEM x CFM x CFM CFM x CFM A CFM A x A A A A A A x A A A x A x 4.72E-1 4.72E-1 4.72E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72 E-1 4.72E-1 4.72E-1 4.72E-1 4.72E-1 1.OE-3 1.OE-3 1.OE-3 1.0 E-3 XIQ/WINDSPEED A ______________ x X/O/WINOSPEED A ______________ X/OIWINOSPEED A X/OIWINDSPEED A x X/O/WINOSPEED A x XIO/WINDSPEED A x X/UIWINOSPEED A x X/OIWINDSPEED A ______________ x XIOIWINDSPEED A ______________ X/Q/WINOSPEED A ______________ I SECONDS x X/O/WINDSP. I A ____ I SECONDS x XIO/WINOSP. / __ A ____ THY CDE x CFM A ______ A AIR EJECTOR 12: TEDE x CFM x A ______ A THY CDE x CFM x A ______ A STATION INVENTORY: TEDE x VOLUME (mis) A A _______ A THY CDE A VOLUME (mis) x A ______ 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:. S S No letdown or sprays are assumed available. Containment Air concentration (iCi/cc) = Ci Cont. Air x 1.92E-5. RCS concentration (j.iCi/cc) Ci. Cont. Air x 3.765E-3. Data is given for 0. 1. 2 and 4 hours after LOCA occurs. HOURS CHRRMS I EVENT DESCRIPTION Ci N.G. 'I Ci IODINE RCS AFTER R/hr.1 Cont. Air.1 (HALOGEN) D.E. 1-131 LOCA Cant. Air

  • pCi/ml 100% NG. 50% HAL 4.4 E+8 Ci 1.99E+5
1.

5E+6 8.2 E+8Ci 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 HOURS I CHRRMS EVENT DESCRIPTION CiN.G. Ci IODINE AFTER I R/hr Cont. Air I (HALOGEN) LOCA j J J Cant. 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 EPIP-4.09 ATTACHM ENT 6 ATTACHMENT TITLE MATRIX: CHRRMS EVENT AVAILABLE CURIES REVISION 15 PAGE 2 of 2 NOTE:. 0 0 S No Letdown or Sprays are assumed available. Containment Air concentration (iCi/cc) = Ci RCS concentration (jiCi/cc) Ci Cont. Air x Data is given for 0. 1. 2 and 4 hours after Cont. Air x 1.92E-5.. 3.765E-3. 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 HOURS I CHRRMS EVENT DESCRIPTION Ci N.G. I Ci IODINE AFTER I R/hr Cont. Air I (HALOGEN) LOCA J j Cont. Air 4 2.75 E+5 100% NG. 50% HAL Released to Cont. Ai r 2.70E+8 Ci 1.78E+8 Ci 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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