ML022000135

Transmittal of Revised North Anna Power Station Emergency Plan Implementing Procedures EPIP-4.08 (Revision 14), EPIP-4.09 (Revision 13 EPIP-4.17 (Revision 15 & EPIP-4.18 (Revision 12)

ML022000135
Person / Time
Site:	North Anna
Issue date:	07/02/2002
From:	Heacock D Virginia Electric & Power Co (VEPCO)
To:	Document Control Desk, Office of Nuclear Security and Incident Response
References
02-427
Download: ML022000135 (82)

Text

VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 July 2, 2002 U.S. Nuclear Regulatory Commission Serial No.02-427 Attention: Document Control Desk NAPS/MPW Washington, D.C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 Gentlemen: NPF-7 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 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 yours, 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. J. Morgan NRC Senior Resident Inspector North Anna Power Station

ATTACHMENT I TABULATION OF CHANGES VIRGINIA ELECTRIC AND POWER COMPANY REVISION TO NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE Enclosed are recent revisions to 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. 13 04/16/02 EPIP - 4.08, Rev. 14 06/19/02 EPIP-4.09, Rev. 12 09/13/01 EPIP- 4.09, Rev. 13 06/19/02 EPIP-4.17, Rev. 14 08/14/98 EPIP- 4.17, Rev. 15 06/19/02 EPIP-4.18, Rev. 11 08/14/98 EPIP-4.18, Rev. 12 06/19/02 Emergency Plan Privacy and Proprietary Material has been removed. Reference Generic Letter No. 81-27.

DATE: 2002-06-19 PAGE: I NORTH ANNA POWER STATION LIST OF NAPS EMERGENCY PLAN IMPLEMENTATION PROCEDURES CHECK DMIS FOR LATEST DOCUMENT INFORMATION APPROVAL EFFECT*

DOCUMENT NUMBER REV  %*DATE** %DATE* DOCUMENT TITLE EPIP-1.O1 036 04/30/02 05/15/02 EMERGENCY MANAGER CONTROLLING PROCEDURE EPIP-1.02 011 09/07/99 10/01/99 RESPONSE TO NOTIFICATION OF UNUSUAL 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-2.01 024 09/24/01 09/26/01 NOTIFICATION OF STATE AND LOCAL GOVERNMENTS EPIP-2.02 014 01/04/99 01/29/99 NOTIFICATION OF NRC EPIP-3.02 019 04/05/02 04/09/02 ACTIVATION OF TECHNICAL SUPPORT CENTER EPIP-3.03 012 12/20/93 01/01/94 ACTIVATION OF OPERATIONAL SUPPORT CENTER EPIP-3.04 015 07/14/98 07/20/98 ACTIVATION OF LOCAL EMERGENCY OPERATIONS FACILITY EPIP-3.05 001 09/07/99 10/01/99 AUGMENTATION OF EMERGENCY RESPONSE ORGANIZATION EPIP-4.01 018 04/05/02 04/09/02 RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE EPIP-4.02 012 07/25/00 08/02/00 RADIATION PROTECTION SUPERVISOR CONTROLLING PROCEDURE EPIP-4.03 011 12/20/93 01/01/94 DOSE ASSESSMENT TEAM CONTROLLING PROCEDURE EPIP-4.04 009 11/21/94 11/28/94 EMERGENCY PERSONNEL RADIATION EXPOSURE EPIP-4.05 009 01/28/00 02/04/00 RESPIRATORY PROTECTION AND KI ASSESSMENT EPIP-4.06 009 12/21/95 12/28/95 PERSONNEL MONITORING AND DECONTAMINATION EPIP-4.07 014 09/29/00 10/06/00 PROTECTIVE MEASURES EPIP-4.08 014 05/10/02 06/19/02 INITIAL OFFSITE RELEASE ASSESSMENT EPIP-4.09 013 05/10/02 06/19/02 SOURCE TERM ASSESSMENT EPIP-4.10 010 04/23/98 04/28/98 DETERMINATION OF X/Q EPIP-4.13 009 09/29/00 10/06/00 OFFSITE RELEASE ASSESSMENT WITH ENVIRONMENTAL DATA

DATE: 2002-06-19 PAGE: 2 NORTH ANNA POWER STATION LIST OF NAPS EMERGENCY PLAN IMPLEMENTATION PROCEDURES CHECK DMIS FOR LATEST DOCUMENT INFORMATION APPROVAL EFFECT*

DOCUMENT NUMBER REV **DATE* *DATE* 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-4.16 014 02/18/00 02/28/00 OFFSITE MONITORING EPIP-4.17 015 06/11/02 06/19/02 MONITORING OF EMERGENCY RESPONSE FACILITIES EPIP-4.18 012 06/11/02 06/19/02 MONITORING OF LEOF EPIP-4.21 008 12/20/93 01/01/94 EVACUATION AND REMOTE ASSEMBLY AREA MONITORING EPIP-4.22 014 04/05/02 04/09/02 POST ACCIDENT SAMPLING OF CONTAINMENT AIR EPIP-4.23 014 04/05/02 04/09/02 POST ACCIDENT SAMPLING OF REACTOR COOLANT EPIP-4.24 011 01/25/02 01/28/02 GASEOUS EFFLUENT SAMPLING DURING AN EMERGENCY EPIP-4.25 008 07/23/93 07/23/93 LIQUID EFFLUENT SAMPLING DURING AN EMERGENCY EPIP-4.26 011 07/26/01 09/13/01 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 04/09/02 USE OF MIDAS CLASS A MODEL EPIP-4.31 003 06/20/94 06/20/94 USE OF MIDAS CLASS B MODEL EPIP-4.33 003 11/28/00 11/30/00 HEALTH PHYSICS NETWORK COMMUNICATIONS EPIP-4.34 002 02/18/00 02/28/00 FIELD TEAM RADIO OPERATOR INSTRUCTIONS EPIP-5.01 011 12/11/96 12/17/96 TRANSPORTATION OF CONTAMINATED INJURED PERSONNEL EPIP-5.03 016 02/18/00 02/28/00 PERSONNEL ACCOUNTABILITY EPIP-5.04 008 07/20/99 07/22/99 ACCESS CONTROL EPIP-5.05 013 06/25/96 07/02/96 SITE EVACUATION EPIP-5.07 011 07/25/00 08/02/00 ADMINISTRATION OF RADIOPROTECTIVE DRUGS EPIP-5.08 007 11/28/00 11/30/00 DAMAGE CONTROL GUIDELINE EPIP-5.09 003 03/26/99 03/31/99 SECURITY TEAM LEADER CONTROLLING PROCEDURE

DATE: 2002-06-19 PAGE: 3 NORTH ANNA POWER STATION LIST OF NAPS EMERGENCY PLAN IMPLEMENTATION PROCEDURES CHECK DMIS FOR LATEST DOCUMENT INFORMATION APPROVAL EFFECTNX DOCUMENT NUMBER REV **DATE** **DATE** DOCUMENT TITLE 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 14 (With 6 Attachments) PAGE 1 of 14 PURPOSE Use backup (manual) dose assessment calculations to assess consequences of actual or potential offsite releases.

ENTRY CONDITIONS Any of the following:

1. Entry from EPIP-4.01, 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

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 2 of 14 STE P ACTION/EXPECTED RESPONSE I l

RESPONSE NOT OBTAINED F-l INITIATE PROCEDURE:

e By:

Date:

Date: __ _ _ _ _ _ _

Time:

Ti me: _ _ _ _ _ _ _

NOTE:

• No release is assumed from the air ejector if it is diverted to containment.

e No release is assumed from the AFWPT pathway if the AFWPT is isolated.

e 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, THEN GO TO Step 4.

(STEP 2 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 3 of 14

-LFJ-LZ ACTION/EXPECTED RESPONSE H-I RESPONSE NOT OBTAINED H-2 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR VENTILATION RELEASE: (Continued)

NOTE: 9 The following monitors may used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement:

GW-102, VG-104, VG-113, RM-GW-173, RM-VG-174 and RM-VG-175.

• 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.

b) Get number of monitor in alarm (or monitor of interest):

Release Path Normal Range MGPI High Range (NRC)

Process Vent GW-102 GW-178-1, -2 RM-GW-173 Vent Vent A VG-104 VG-179-1, -2 RM-VG-174 Vent Vent B VG-113 VG-180-1, -2 RM-VG-175 Air Ejector SV-121, 221 c) Circle appropriate monitor number on Attachment 1 (STEP 2 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 4 of 14 ACTION/EXPECTED RESPONSE F-I RESPONSE NOT OBTAINED F-2 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR VENTILATION RELEASE: (Continued) d) Get monitor readings, above d) IF flow rates NOT available, 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 - 25 cfm 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, ERFCS, RAD or RAC):

"*Stability Class:

"*Wind Speed:

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

"* Site Boundary X/Q for Stability Class in effect

"*Monitor Conversion Factor (MCF) based on accident type

"*TEDE DCF

"*THY DCF (STEP 2 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 5 of 14 ACTION/EXPECTED RESPONSE I

-I

• RESPONSE NOT OBTAINED I-l 2 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR VENTILATION RELEASE: (Continued) g) Record X/Q, wind speed and conversion factors on Attachment 1 h) Calculate Site Boundary TEDE and THY CDE, mrem/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) lF 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 14 PAGE 6 of 14 ACTION/EXPECTED RESPONSE F-H I I 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/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 f) Record X/Q, 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 14 PAGE 7 of 14 ACTION/EXPECTED RESPONSE F-H I

RESPONSE NOT OBTAINED H-3 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FOR MAIN STEAM RELEASE: (Continued) g) Ask Operations for the number g) IF none, THEN 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 Site 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 EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT ACTION/EXPECTED RESPONSE

[-4 RESPONSE NOT OBTAINED F-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:

NOTE: e 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/Q 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 (STEP 4 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 9 of 14 STEPH ACTION/EXPECTED RESPONSE l-l I

• RESPONSE NOT OBTAINED l

H-4 DETERMINE SITE BOUNDARY DOSE RATES (mrem/hr) FROM CONTAINMENT LEAKAGE: (Continued) d) Record X/Q. 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 CDE, 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 14 PAGE 10 of 14 ACTION/EXPECTED RESPONSE

[- RESPONSE NOT OBTAINED H-l 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 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 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:

S1000 mrem TEDE or General Emergency mrem ThyroidS5000CDE mrem TEDE or S100 Site Area Emergency

Ž 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 14 PAGE 11 of 14 SSTEP ACTION/EXPECTED RESPONSE

[-1  !

RESPONSE NOT OBTAINED I

_ 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 14 PAGE 12 of 14

-tH ACTION/EXPECTED RESPONSE -II !

RESPONSE NOT OBTAINED H-

_ 10 DETERMINE PERCENT RELEASE LIMIT FOR LIQUID RELEASE:

a) Get highest liquid effluent pathway monitor reading:

"*LW-111: cpm

"* SW-130: cpm

"* SW-230: cpm b) Determine number of operating Circ. Water Pumps:

c) Calculate % Release Limit:

LW-111: cpm x 6.26E-3 / # Circ. Water Pumps = % Release Limit x 6.26E-3 / =_%

SW-130 or 230:

cpm x 2.OE-2 = % Release Limit x 2.OE-2 =  %

d) Compare % Release Limit with emergency classification criteria:

• Ž 1000% - ALERT

• Ž 100% - NOUE

° < 100% - Within Limits e) Notify SEM (through RAD or RAC) of event classification based on % Release Limit for liquid release

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 13 of 14

-ThK1-t ACTION/EXPECTED RESPONSE I-I I

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.

e MGPI monitors (pCi/sec and jiCi/cc) should be used as the primary indicator for Vent Vent and Process Vent releases. Westinghouse and NRC monitors may be used as backup until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement.

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) Determine flow rate (cfm) f) Use the following default flow rates:

AND

"*VVA - 142,000 cfm Record flow rate on Attachment 6

"* VVB - 100,000 cfm

"*PV - 310 cfm

"*CAE - 25 cfm g) Calculate % Release Limit using Attachment 6 (STEP 11 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.08 INITIAL OFFSITE RELEASE ASSESSMENT 14 PAGE 14 of 14 ACTION/EXPECTED RESPONSE

[-A RESPONSE NOT OBTAINED F-11 DETERMINE % RELEASE LIMIT FOR GASEOUS RELEASE: (Continued) h) Calculate total % Release Limit for all pathways involved (Add the % Release Limit for each monitor/emission channel) i) Compare % Release Limit with emergency classification criteria:

• Ž 1000% - ALERT

• Ž 100% - NOUE

• < 100% - Within Limits j) Notify SEM (through RAD or RAC) of event classification based on % Release Limit for gaseous release

_ 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 REVISION EPIP-4.08 VENT RELEASE SITE BOUNDARY DOSE RATE 14 ATTACHMENT PAGE 1 1 of 3 NOTE: e 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 X/Q are provided on Attachment 4.

"* VG-174, VG-175 and GW-173 should only be used when MGPI or Normal Range Monitors are offscale or inoperable.

"* The following monitors may be used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement: VG-104, VG-174, VG-113 and VG-175.

Date:  ; Time:

VENT VENT A:

VG-104: ( CPM x CFM x MCF x X/O ) / WINDSPEED - Value

(__ x x x x0 ) /

VG-179: (jiCi/sec x 1.OE-3 x MCF x X/QO WINDSPEED

(-1,-?) - Value

( x 1.OE-3 x x VG-179: (jCi/cc x CFM x 4.72E-1 x MCF x X/Q ) / WINDSPEED Value

(-1,-2)

(_ x x 4.72E-1 x x VG-174: ( mr/hr x CFM x MCF x X/O / WINDSPEED - Value

(___ x ___ x ___ x Record highest Vent Vent A value from above on Page 3 of Attachment 1.

VENT VENT B:

VG-113: ( CPM x CFM x MCF x X/O ) / WINDSPEED - Value x _ x x VG-180: (

(ACi /sec x 1.OE-3 x MCF x X/0) / WINDSPEED - Value

(-1,-2) x 1.OE-3 x _ x ) /

VG-180: (11ci /cc x CFM x 4.72E-1 x MC F x X/Q ) / WINDSPEED Val ue

(-1,-2) x x 4.72E-1 x x _) / _

VG-175: ( mr/hr x CFM x MCF x X/0 ) / WINDSPEED Val ue

( - x _ x x _) /

Record highest Vent Vent B value from above on Page 3 of Attachment 1.

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 VENT RELEASE SITE BOUNDARY DOSE RATE 14 ATTACHMENT PAGE 1 2 of 3 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 X/O are provided on Attachment 4.

" VG-174, VG-175 and GW-173 should only be used when MGPI or Normal Range Monitors are offscale or inoperable.

" The following monitors may be used until removed by Design Change 99-006.

Ventilation Radiation Monitoring System Replacement: GW-102 and 173.

PROCESS VENT:

GW-102: ( CPM x CFM x MCF x X/O ) I WINDSPEED Val ue

(_ x _ x _ x _)

GW-178: (ACi/sec x 1.OE-3 x MCF x X/O ) / WINDSPEED Val ue

(-1,-2)

( x 1.OE-3 x x )

GW-178:

(-1,-2) (pCi/cc x CFM x 4.72E-1 x MCF x X/Q ) / WINDSPEED Value

__ x x 4.72E-1 x x ) /

GW-173: ( mr/hr x CFM x MCF x X/O ) I WINDSPEED Val ue

( - x _ x x )

Record highest Process Vent value from above on Page 3 of Attachment 1.

AIR EJECTOR:

SV-121: ( CPM x CFM x MCF x X/Q ) I WINDSPEED Value x x x I SV-221: ( CPM x CFM x MCF x X/O ) I WINDSPEED Value

( __________ ) I x x x TOTAL OF AIR EJECTORS Record sum of Air Ejector values on Page 3 of Attachment 1.

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 VENT RELEASE SITE BOUNDARY DOSE RATE 14 ATTACHMENT PAGE 1 3 of 3

1. Record the following monitor values in left-hand column of table below:

0 Highest Vent Vent A value from Attachment 1 Page 1 S Highest Vent Vent B value from Attachment 1 Page 1 0 Highest Process Vent value from Attachment 1 Page 2 S Sum of Air Ejector values from Attachment 1 Page 2

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 4:

HIGHEST VENT VENT A VALUE:

HIGHEST VENT VENT B VALUE:

HIGHEST PROCESS VENT VALUE:

SUM OF AIR EJECTOR VALUES:

SUM OF VENT VENT, TEDE mrem/hr: THY CDE mrem/hr:

PROCESS VENT AND AIR EJECTORS Completed by:

Date/Time: /

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MAIN STEAM RELEASE - SITE BOUNDARY DOSE RATE 14 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 X/Q ) / WINDSPEED = Va] ue I MS-170:( x x x ) / _ =

MS-171:( x x x ) / =

MS-172:( x x x ) / =

TOTAL OF UNIT 1 MAIN STEAM =

UNIT 1 AFWPT:

( mR/hr x MCF x X/O ) / WINDSPEED = Value I MS-176:( x x )/ =

UNIT 2 MAIN STEAM:

( mR/hr x # Valves x MCF x X/Q ) / WINDSPEED = Value I

MS-270:( x x x ) / =

MS-271:( x x x ) I =

MS-272:( x x x ) I =

TOTAL OF UNIT 2 MAIN STEAM =

UNIT 2 AFWPT:

( mR/hr x MCF x X/O ) / WINDSPEED = Value I MS-276:( x x )/ =

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MAIN STEAM RELEASE - SITE BOUNDARY DOSE RATE 14 ATTACHMENT PAGE 2 2 of 2

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 1 AFWPT VALUE:

TOTAL OF UNIT 2 MAIN STEAM VALUES:

UNIT 2 AFWPT VALUE:

SUM OF AFFECTED UNIT('s) TEDE mrem/hr: THY CDE mrem/hr:

MAIN STEAM AND AFWPT Completed by:

Date/Time: /

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 CONTAINMENT RELEASE - SITE BOUNDARY DOSE RATE 14 ATTACHMENT PAGE 3 1 of 1 NOTE: e 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:

( R/hr x MCF x X/Q ) / WINDSPEED = Value RMS-165 or RMS-166: ___ x )/x RMS-265 or RMS-266: ( _ __ 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 (mrem/hr) 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) TEDE mrem/hr: THY CDE mrem/hr:

CONTAINMENT(s)

Completed by:

Date/Time: /

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MONITOR CONVERSION FACTORS, 14 ATTACHMENT SITE BOUNDARY X/O VALUES, PAGE TEDE FACTORS, AND THYROID CDE FACTORS PAGE 4

_____________1 of_2 NOTE: The following monitors may be used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement: VG-104, VG-174, VG-113, VG-175, GW-102 and GW-173.

MONITOR CONVERSION FACTORS (MCF) for Vent Release (Attachment 1):

MONITOR MSLB SGTR FHA WGDT VCT LOCA MELT LOCA GAP LOCA PC NORMAL VG-104 9.7E-8 7.OE-8 ------------------------- 4.7E-8 VG-174 2.4E+1 1.8E+1 1.1E+1 VG-179-1 8.8E-1 8.6E-1 8.1E-1 VG-179-2 1.OE+O 1.OE+O ------------ 1.1E+O VG-113 1.4E ------ ------- 4.OE-8 4.3E-8 1.9E-8 1.4E-8 VG-175 5.9E+ - 1.8E+O 1.7E+O 4.1E+0 5.8E+1 VG-180-1 9.2E- I 7.9E-I 8.2E-1 8.5E-1 9.2E-1 VG-180-2 1.OE+O 7.3E+O 6.8E+O 1.5E+0 1.OE+O GW-102 6.1E-8 1.1E-7 2.3E-7 GW-173 5.OE+1 2.3E+1 --- 2.7E+1 GW-178-1 --- 7.7E-1 9.OE-1 9.3E-1 GW-178-2 -- 1.1E+0 1.OE+O 1.1E+O SV-121.-221 3.1E-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 (CONTINUED ON NEXT PAGE)

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 MONITOR CONVERSION FACTORS, 14 ATTACHMENT SITE BOUNDARY X/O VALUES, PAGE TEDE FACTORS, AND THYROID CDE FACTORS 4 2 of 2 MONITOR CONVERSION FACTORS (MCF) for Containment Release (Attachment 3):

MONITOR LOCA MELT LOCA GAP LOCA PC NORMAL RMS-1(2)65 RMS-1(2)66 6.6E-2 6.3E-2 1.OE-1 1.7E-1 X/0, SITE BOUNDARY:

I STABILITY CLASS I A B C D E F G 1.84 E-6 1.65 E-5 5.98 E-5 1.77 E-4 3.46 E-4 7.26 E-4 1.40 E-3 TEDE DOSE CONVERSION FACTORS (TEDE DCF):

LOCA LOCA LOCA LKD.

MSLB SGTR FHA WGDT VCT MELT GAP PC ROTOR 6.1E+3 1.8E+2 3.2E+1 2.0E+1 3.3E+1 1.7E+3 4.7E+2 2.9E+2 7.2E+3 THYROID CDE DOSE CONVERSION FACTORS (THY DCF):

MSLB SGTR FHA WGDT LOCA MELT LOCA GAP LOCA PC LKD. ROTOR UNFILTERED 2.6E+4 1.5E+1 7.1E-1 2.5E-5 1.6E+4 4.3E+2 2.4E+2 3.7E+4 FILTERED 7.1E+1 1.5E-1 7.1E-2 2.5E-6 1.6E+3 4.3E+1 2.4E+1

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08 DETERMINATION OF 2, 5 AND 10 MILE DOSE RATES 14 ATTACHMENT PAGE 5 1 of 1 I STABILITY CLASS CORRECTION

!I 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:

ATT. 1:

ATT. 2: l CORRECTION FACTOR TEDE mrem/hr ATT. 3:_ 2 miles: 2 miles:

SUM:

TEDE DOSE RATE, CORRECTION FACTOR TEDE mrem/hr SITE BOUNDARY x 5 miles: 5 miles:

mrem/hr CORRECTION FACTOR TEDE mrem/hr 10 miles: 10 miles:

THY CDE mrem/hr 2 miles:

THY COE mrem/hr x 5 miles:

THY CDE mrem/hr 10 miles:

NUMBER ATTACHMENT TITLE REVISION EPIP-4.08  % RELEASE LIMIT WORKSHEET 14 ATTACHMENT PAGE 6 1 of 1 NOTE: *  % release limit should be calculated for all affected release pathways. I

• 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:

CPM x CFM x CF -  % TS VG-104: x x 2.35 E-7 Highest %

jiCi/sec x CF =  % TS VG-179-1: x 4.41 E-4 11Ci /cc x CFM CF =  % TS VG-179-1: x x 2.08 E-1 VENT VENT B:

CPM x CFM x CF =  % TS VG-113: x x 9.54 E-9 =Highest  %

jiCi/sec x CF -  % TS VG-180-1: x 5.02 E-4 =

11Ci/cc x CFM CF =  % TS VG-180-1: x x 2.37 E-1 =

PROCESS VENT:

CPM x CFM x CF =  % TS GW-102: x x 3.03 E-8 =_Highest  %

pCi/sec x CF =  % TS GW-178-1: x 6.57 E-5 _

fiCi/cc x CFM CF =  % TS 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 % RELEASE LIMIT:

Date/Time: /

VIRGINIA POWER NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 13 (With 6 Attachments) PAGE 1 of 11 PURPOSE Provide guidance and data to Dose Assessment Team to more accurately predict offsite releases.

ENTRY CONDITIONS Any of the following:

1. Entry from EPIP-4.01, RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE.

2. Entry from EPIP-4.03, DOSE ASSESSMENT TEAM CONTROLLING PROCEDURE.

'EVEL 2 DIST~i3UT1ON

,, ver i This DocuRment ShOul, Andflf~a~ ACotr~oliked Souýrce toPdon Work Approvals on File Effective Date (

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 13 PAGE 2 of 11 STEP ACTION/EXPECTED RESPONSE H-I l l RESPONSE NOT OBTAINED I I

1 INITIATE PROCEDURE:

• By:

Date:

Time:

NOTE: e 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.

_ 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 13 PAGE 3 of 11 STEP ACTION/EXPECTED RESPONSE F-A m RESPONSE NOT OBTAINED I NOTE: e The following monitors may used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement:

GW-102, VG-104, VG-113, GW-173, VG-174 and VG-175.

"*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.

"*Should Vent Vent or Process Vent Normal Range monitors be inoperable or offscale, assessments should continue using High Range and/or MGPI monitors.

"*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-104, VG-179, VG-174

• Vent Vent B: VG-113, VG-180, VG-175

• Process Vent: GW-102, GW-178, GW-173

• 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 (STEP 3 CONTINUED ON NEXT PAGE)

NUMBER PROCEDURE TITLE REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 13 PAGE 4 of 11

-LFSTEH ACTION/EXPECTED RESPONSE

[-1 I RESPONSE NOT OBTAINED l

3 DETERMINE SOURCE TERM FROM STATION MONITORS: (Continued) b) Record the following information on Attachment 1:

"*Date

"* Time

"* Flow rate (when applicable) and monitor reading for pathway(s) of concern:

Normal Range: cpm (use NET cpm: Gross - Background)

MGPI: pCi/sec or pCi/cc High Range: mR/hr c) Determine accident type d) Determine status of effluent charcoal filtration 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-4.09 SOURCE TERM ASSESSMENT 13 PAGE 5 of 11

-STE P ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED I-NOTE: e 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) IF 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 REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 13 PAGE 6 of 11 q

ACTION/EXPECTED RESPONSE [-I  !

RESPONSE NOT OBTAINED F-l 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) IF sample NOT taken at maximum maximum monitor reading monitor reading, THEN do the following:

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

MAX READING x pCi = CORRECTED pCi/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 13 PAGE 7 of 11 ACTION/EXPECTED RESPONSE H-I l

m RESPONSE NOT OBTAINED I-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/DDE 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 13 PAGE 8 of 11 ACTION/EXPECTED RESPONSE I

-II 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: a Main Tower Delta T is the preferred source of stability class.

Sigma Theta (Backup Tower) is the secondary source.

o 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 X/Q 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 REVISION EPIP-4.09 SOURCE TERM ASSESSMENT 13 PAGE 9 of 11 ESTE Pl ACTION/EXPECTED RESPONSE -II 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 (ie.

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 Technical Director d) Get sample activity results, j.Ci/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 13 PAGE 10 of 11 r4j-E ACTION/EXPECTED RESPONSE I

RESPONSE NOT OBTAINED

__ 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 (R/hr) 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 13 PAGE 11 of 11 ACTION/EXPECTED RESPONSE F-F I m RESPONSE NOT OBTAINED F

l 9 DETERMINE SOURCE TERM FROM CONTAINMENT AIR SAMPLE:

a) Check if LOCA conditions exist a) GO TO Step 10.

b) Ask RPS to activate EPIP-4.22, POST ACCIDENT SAMPLING OF CONTAINMENT AIR c) Record sample results (nuclide concentration) on Attachment 3, left column d) Determine gross activity, p.Ci/ml, for Noble Gas and Iodine e) Calculate release rates:

pCi/ml x 2.25E+3 x 1.OE-6 = Ci/Sec f) Record results:

Ci/sec Noble Gas Ci/sec Iodine g) Give results to RAD or RAC

_ 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 Ci/sec WORKSHEET 13 ATTACHMENT PAGE 1 1 of 2 NOTE:

• Monitor Conversion Factors (MCF) and Iodine Conversion Factors (Iodine CF) are provided on Attachment 2.

0 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:

IODINE NOBLE GAS VENT VENT A: Cil/sec Ci/sec CPM x MCF x CFM Ci/sec Highest Ci/sec VG-104: x x I ,, -I H r--- = -1Ci/sec NGI VG-179: pCi/sec x MCF x 1.OOE-6 - Ci/sec i I

(-1.-2) x x 1.OOE-6 I X I MINUS Ii' i I' lI I VG-179: iLCi/cc x MCF x CFM x 4.72E-4 = Ci/sec I IODINE CF I ICi/sec Iod.I C-1.-2) x x x 4.72E-4 = I (Att. 2): 1 I

{I I II mR/hr x MCF x CFM Ci/sec L J L I VG-174: x x VENT VENT B:

CPM x MCF x CFM = Ci/sec Highest Ci/sec VG-113: x x I I I

- - JCi/sec NGI VG-180: ýXCi/sec x MCF x 1.O0E-6 Ci/sec

(-1.-2) _ x x 1.OOE-6 x MINUS I I I 'i '

VG-180: vCi/cc x MCF x CFM "x4.72E-4 = Ci/sec I IODINE CF I ICi/sec Iod.

(-1.-2) x x "x4.72E-4 = (Att. 2):

I I I mR/hr x MCF x CFM L J I I I Ci/sec VG-175: x x

_-J AIR EJECTOR:

I I I CPM x MCF x CFM -I Ci/sec SV-121: x x _I I CPM x MCF x CFM -j Ci/sec SV-221: x ____ x ___ ___=

I i I IIII IiSUM Ci/sec I , r - lj Cl/sec NG I I I I I I MINUS j III IODINE CF l ICl/sec Iod.1 1--- (A Lt. 2,: 1 I II I I II I

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MONITOR Ci/sec WORKSHEET 13 ATTACHMENT PAGE 1 2 of 2 IODINE NOBLE GAS PROCESS VENT: Ci/sec Ci/sec CPM x MCF x CFM Ci /secj Highest Ci/sec GW-102: x x

-I-i ,-f-Ci/sec NGI GW-178: gCi/sec x MCF x 1.00E-6 Ci/sec

(-1,-2) x x 1.OOE-6 x MINUS il lI I I I GW-178: iCi/cc x MCF x CFM x 4.72E-4 Ci/sec IODINE CF Ici/sec Iod-I

(-1,-2) x x x 4.72E-4 = (Att. 2): - I II II mR/hr x MCF x CFM I I I I Ci/sec GW-173: x x MAIN STEAM: I mR/hr x # valves MCF Ci/sec j SUM OF Ci/sec MS-170: x x ____ ___

MS-171: x x _ [-- r-- -- {Ci/sec NGJ MS-172: x x _ _II I__ I MS-270: x x _ _x__ MINUS J MS-271: x x I I-i tI -I L J MS-272: x x _ jIODINE CF I Ci/sec Iod.1 (Att. 2): i j

~~I iI I AFWPT:

MS-176:

mR/hr x x

MCF Ci/sec j SUMOF Ci/sec II I Sk-I r-= -- Ci/sec NGI MS-276: x i I II I I MINUS j I

] tI t l I I I IODINE CF I Ci/sec lod.j (Att. 2): I

-- ii _ I TOTAL Curies/sec: Sum above results for Iodine and for Noble gas (separately).

I I I I TOTAL i i TOTAL i ICi/sec IOD jCi/sec NGI Completed by:

I I I I I I I Date/Time:

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MONITOR CONVERSION FACTORS 13 ATTACHMENT AND IODINE CONVERSION FACTORS PAGE 2

______________I of_2 NOTE: The following monitors may be used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement: VG-104 and VG-174.

MONITOR CONVERSION FACTORS (MCF) for Vent Vent A:

MONITOR MSLB SGTR NORMAL VG-104 9.7E-11 7.OE-11 4.7E-11 VG-174 2.4E-2 1.8E-2 1.1E-2 VG-179-1 8.8E-4 8.6E-4 8.1E-4 VG-179-2 1.OE-3 1.OE-3 1.1E-3 NOTE: The following monitors may be used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement: VG-113 and VG-175.

MONITOR CONVERSION FACTORS (MCF) for Vent Vent B:

MONITOR FHA LOCA MELT LOCA GAP LOCA PC NORMAL VG-113 1.4E-11 4.OE-11 4.3E-11 1.9E-11 1.4E-11 VG-175 5.9E-2 1.8E-3 1.7E-3 4.1E-3 5.8E-2 VG-180-1 9.2E-4 7.9E-4 8.2E-4 8.5E-4 9.2E-4 VG-180-2 1.OE-3 7.3E-3 6.8E-3 1.5E-3 1.OE-3 MONITOR CONVERSION FACTORS (MCF) for Air Ejector:

MONITOR MSLB SGTR NORMAL SV-121,-221 3.1E-7 2.2E-7 1.4E-7 (CONTINUED ON NEXT PAGE)

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MONITOR CONVERSION FACTORS 13 ATTACHMENT AND IODINE CONVERSION FACTORS PAGE 2

____________2 of_2 NOTE: The following monitors may be used until removed by Design Change 99-006, Ventilation Radiation Monitoring System Replacement: GW-102 and GW-173.

MONITOR CONVERSION FACTORS (MCF) for Process Vent:

MONITOR WGDT VCT NORMAL GW-102 6.1E-11 1.1E-10 2.3E-10 GW-173 5.OE-2 2.3E-2 2.7E-2 GW-178-1 7.7E-4 9.OE-4 9.3E-4 GW-178-2 1.1E-3 1.OE-3 1.1E-3 MONITOR CONVERSION FACTOR (MCF) for Main Steam:

MONITOR CONVERSION FACTORS (MCF) for AFWPT:

MONITOR LOCA MELT LOCA GAP LOCA PC NORMAL MS-176 1.9E+O 4.2E+O 4.3E-1 3.5E+O MS-276 2.6E+O 5.7E+O 5.6E-1 4.6E+O IODINE CONVERSION FACTORS (ICF):

MSLB SGTR FHA WGDT LOCA MELT LOCA GAP LOCA PC LKD. ROTOR UNFILTERED 2.OE-1 5.1E-3 2.4E-3 1.8E-5 5.4E-1 8.8E-2 6.2E-2 2.6E-1 FILTERED 5.4E-4 5.2E-5 2.4E-4 1.8E-6 5.4E-2 8.8E-3 6.2E-3

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 NOBLE GAS, IODINE AND DOSE CONVERSION FACTOR WORKSHEET 13 ATTACHMENT USING SAMPLE ANALYSIS RESULTS PAGE 3 1 of 1 iL Sample Identification: Y Sample Time:

NOTE:

• Total Noble Gas and Iodine activity, juCi/ml, are for use on Attachment 4

• Total TEDE DCF and THY CDE DCF are for use on Attachment 5.

I NUCLIDE ACTIV. EPA SAMPLE EPA SAMPLE EPA SAMPLE pCi/ml DDE DDE TEDE TEDE THY CDE THY CDE DCF DCF DCF 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, pCi/ml: CONTINUE CONTINUE ADDING ADDING DOWN DOWN DOWN 1-125 x 6.3 = x 4762 = x 32 1-129 x 4.8 = x 43750 = x 33 1-131 x 220 = x 241 = x 24.5 1-132 x 1400 = x 3.5 = x 1.6 1-133 x 350 = x 43 - x 14.6 1-134 x 1600 = x 1.9 = x 0.43 1-135 x 950 = x 8.5 = x4.7 TOTAL IODINE, jjCi/ml: TOTAL THY. CDE DCF:

Completed by:

Date/Time: /

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 SAMPLE EFFLUENT Ci/sec WORKSHEET 13 ATTACHMENT PAGE 4 1 of I Li /sec MONITOR MCi/ml CFM NOBLE GAS IODINE VV A: N.G. x CFM 4.72E-4 x 4.72E-4 IOD. 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 IOD. 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 IOD. 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 IOD. x CFM x 4.72E-4 x x 4.72E-4 AIR EJECTOR #2:

N.G. x CFM x 4.72E-4 K x 4.72E-4 IOD. K CFM x 4.72E-4 K x 4.72E-4 STATION INVENTORY:

N.G. X VOLUME (mls) x x 1.OE-6 / SECONDS x 1.OE-6 / O x

IOD. VOLUME (mls) x 1.OE-6 I SECONDS x /

x 1.OE-6 SUM Ci/sec: NG IOD Completed by:

Date:

Time:

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 SAMPLE EFFLUENT SITE BOUNDARY DOSE RATE WORKSHEET 13 ATTACHMENT PAGE 5 1 of 1 NOTE: TEDE and Thyroid CDE factors from Attachment 3 are to be applied to this worksheet.

X/0, SITE BOUNDARY: STABILITY CLASS A B C D E F G 1.84E-6 1.65E-5 5.98E-5 1.77E-4 3.46E-4 7.26E-4 1.40E-3 Windspeed Windspeed Windspeed Windspeed Windspeed Windspeed Windspeed TEDE DCF OR X/O TEDE THY. COE MONITOR THY COE DCF CFM WINDSPEED mrem/hr mrem/hr VV A: TEDE x CFM x 4.72E-1 x X/Q/WINDSPEED

_ x x 4.72E-1 x THY COE x CFM x 4.72E-1 x X/O/WINDSPEED

_ x x 4.72E-1 x VV 8: TEDE x CFM x 4.72E-1 x X/O/WINDSPEED

_ x - x 4.72E-1 x THY COE x CFM x 4.72E-1 x X/O/WINDSPEED

_ x x 4.72E-1 x PV; TEDE x CFM x 4.72E-1 x X/Q/WINDSPEED

_ x x 4.72E-1 x THY COE x CFM x 4.72E-1 x X/O/WINDSPEED

_ x x 4.72E-1 x AIR EJECTOR #1:

TEDE x CFM x 4.72E-1 x X/I/WINDSPEED

_ _ x x 4.72E-11 THY COE x CFM x 4.72E-1 x X/Q/WINDSPEED

_ _ x x 4.72E-1 x AIR EJECTOR #2:

TEDE x CFM x 4.72E-1 x X/O/WINDSPEED

_ x x 4.72E-1 x THY COE x CFM x 4.72E-1 x X/O/WINDSPEED

_ _ x x 4.72E-1 x SIATION INVENTORY:

TEDE x VOLUME (mls) x 1.OE-3 / SECONDS x X/O/WINDSP.

_ x _ x 1.OE-3 / x =

THY COE x VOLUME (mls) x 1.OE-3 / SECONDS x X/O/WINDSP.

__ _ _ x _ _ __ x 1.OE-3 / x Completed by: SUM mrem/hr: TEDE THY COE Date/Time:

NUMBER ATTACHMENT TITLE REVISION EPIP-4.09 MATRIX: 13 ATTACHMENT PAGE 6 CHRRMS - EVENT - AVAILABLE CURIES 1 of 2 NOTE:

• No letdown or sprays are assumed available.

• Containment Air concentration ([iCi/cc) = Ci Cont. Air x 1.92E-5.

• RCS concentration (jLCi/cc) = Ci Cont. Air x 3.765E-3.

• Data is given for 0, 1, 2 and 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> after LOCA occurs.

HOURS CHRRMS EVENT DESCRIPTION Ci N.G. Ci IODINE RCS AFTER R/hr Cont. Air (HALOGEN) D.E. 1-131 LOCA Cont. Air gCi/ml 0 1. 5E+6 100% NG, 50% HAL 8.2E+8 Ci 4.4E+8 Ci 1.99E+5 Released to Cont. Ai r ACi /ml 1.5E+5 10% NG, 5% HAL 8.2E+7 Ci 4.4E+7 Ci 1.99E+4 Released to Cont. Air jiCi/ml 1.5E+4 1% NG, .5% HAL 8.2E+6 Ci 4.4E+6 Ci 1.99E+3 Released to Cont. Air 11Ci/ml 1.9E+3 100% GAP 1.74E+6 Ci 1.59E+6 Ci 2.76E+3 Released to Cont. Air pCi/ml 1.9E+2 10% GAP 1.74E+5 Ci 1.59E+5 Ci 2.76E+2 Released to Cont. Air pCi/ml 1.9E+1 1% GAP 1.74E+4 Ci 1.59E+4 Ci 2.76E+1 Released to Cont. Air 11Ci/ml 9.0 1% Failed Fuel 6.12E+4 Ci 2.00E+3 Ci 2.40E+O Primary Gas Release I ACi/ml HOURS CHRRMS EVENT DESCRIPTION Ci N.G. Ci IODINE AFTER R/hr Cont. Air (HALOGEN)

LOCA Cont. Air 1 5.5E+5 100% NG, 50% HAL 3.57E+8 Ci 2.72E+8 Ci Released to Cont. Air 5.5E+4 10% NG, 5% HAL 3.57E+7 Ci 2.72E+7 Ci Released to Cont. Air 5.5E+3 1% NG, .5% HAL 3.57E+6 Ci 2.72E+6 Ci Released to Cont. Air 1.75E+3 100% GAP 1.69E+6 Ci 1.45E+6 Ci Released to Cont. Air 1.75E+2 10% GAP 1.69E+5 Ci 1.45E+5 Ci Released to Cont. Air 1.75E+1 1% GAP 1.69E+4 Ci 1.45E+4 Ci Released to Cont. Air 8.0 1% Failed Fuel 6.01E+4 Ci 1.84E+3 Ci Primary Gas Release I ____________________

NOTE: s No Letdown or Sprays are assumed available.

• Containment Air concentration (ýiCi/cc) = Ci Cont. Air x 1.92E-5

• RCS concentration (pCi/cc) = Ci Cont. Air x 3.765E-3.

• Data is given for 0, 1, 2 and 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> 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 1.5E+3 100% GAP 1.65E+6 Ci 1.37E+6 Ci Released to Cont. Air 1.5E+2 10% GAP 1.65E+5 Ci 1.37E+5 Ci Released to Cont. Air 1.5E+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 HOURS CHRRMS EVENT DESCRIPTION Ci N.G. Ci IODINE AFTER R/hr Cont. Air (HALOGEN)

LOCA Cont. Air 2.75E+5 100% NG, 50% HAL 2.70E+8 Ci 1.78E+8 Ci Released to Cont. Air 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+5 Ci 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

VIRGINIA POWER NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 (With 4 Attachments) PAGE 1 of 9 PURPOSE To provide for initial and follow-up monitoring of Emergency Response Facilities.

LEVEL 2 DISTRIBUTION This Document Should Se Verified And Annotated Fo A Controlled Source As Required to Perform Work ENTRY CONDITIONS Any of the following:

1. Activation by EPIP-4.01, RADIOLOGICAL ASSESSMENT DIRECTOR CONTROLLING PROCEDURE.

2. Activation by EPIP-4.02, RADIATION PROTECTION SUPERVISOR CONTROLLING PROCEDURE.

Approvals on File Effective Date (0,C)/ ý/4&,Zý

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 2 of 9

-L!1-t ACTION/EXPECTED RESPONSE m

SI- RESPONSE NOT OBTAINED H-1 INITIATE PROCEDURE:

By:

Date:

Time:

NOTE: The normal facility survey assignment order is Control Room, OSC, TSC and Alternate OSC (if required).

_ 2 GET SURVEY ASSIGNMENT FROM RPS:

NOTE: The contents of emergency kits maintained in the TSC, OSC, and Alternate OSC are listed on Attachment 4. There is no emergency kit in the Control Room. Supplies for Control Room monitoring can be obtained from the normal storage area or other facility kits.

___ 3 ENSURE EXPOSURE CONTROL PROVIDES THE FOLLOWING FOR EACH FACILITY:

• Emergency dose SRDs

• Fresh TLDs

_ 4 GO TO ASSIGNED SURVEY AREA

"*Open Emergency Kit for assigned facility (if available or needed)

"*Perform instrument operability checks

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 3 of 9

-LIiJ-C ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED F-NOTE: Access control is established to prevent contamination of the facility.

5 CHECK IF FACILITY ACCESS CONTROL GO TO Step 6.

REQUIRED:

a) Consult with RPS for determination b) Do the following (if access control deemed necessary):

1) Place sign at entrance indicating monitoring required prior to entering facility

2) Put a frisker at entrance(s)

3) Ensure entry points are controlled

___ 6 ASSIGN EMERGENCY SRD(s)

___ 7 RECORD EMERGENCY SRD ASSIGNMENTS ON ATTACHMENT 3

___ 8 CHECK ALL PERSONNEL HAVE A TLD IF any individual does not have a TLD, THEN do the following:

a) Assign TLD.

b) Record TLD assignment on Attachment 3.

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 4 of 9 ACTION/EXPECTED RESPONSE F-H I RESPONSE NOT OBTAINED I-

___ 9 INITIATE MONITORING:

a) Do smear survey b) Take airborne particulate and iodine sample:

1) Load air sampler with silver zeolite and particulate filter

2) Get a 10 ft 3 air sample if time permits (Get at least a 5 ft 3 air sample) c) Do direct radiation survey d) Record survey results on Attachment 1 e) Check if PING 3B Radiation e) GO TO Step 10.

Monitoring System to be started in TSC f) Initiate EPIP-4.28, TSC/LEOF RADIATION MONITORING SYSTEM

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 5 of 9

-LH ACTION/EXPECTED RESPONSE H-I l RESPONSE NOT OBTAINED I-

___ 10 DO AIR SAMPLE CARTRIDGE ANALYSIS:

a) Go to low background area with air sample and frisker b) Turn on frisker c) Wait for frisker to stabilize d) Take background (BKG) radiation reading in cpm e) Hold Silver Zeolite cartridge 1/4 inch from detector with influent side facing the detector f) Take GROSS cpm reading g) Calculate NET cpm:

GROSS cpm - BKG cpm = NET cpm h) Do % DAC screening:

1) Use Attachment 2

2) Plot NET cpm against sample volume i) Put sample in poly bag labeled with the following:

"* Date

"* Time

"*Volume

"* Location j) Record results on Attachment 1:

"* Analysis results

"* Date

"*Time

"* Instrument and Serial Number

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 6 of 9

-LFJ-L ACTION/EXPECTED RESPONSE I

RESPONSE NOT OBTAINED I

H-11 DO PARTICULATE FILTER ANALYSIS:

a) Wait for frisker to stabilize b) Take background (BKG) radiation reading in cpm c) Hold filter 1/4 inch from detector with influent side facing the detector d) Take GROSS cpm reading e) Calculate NET cpm:

GROSS cpm - BKG cpm = NET cpm f) Do % DAC screening:

1) Use Attachment 2

2) Plot NET cpm against sample volume g) Put sample in poly bag labeled with the following:

"*Date

"*Time

"* Volume

"* Location h) Record results on Attachment 1:

"* Analysis results

"* Date

"*Time

"* Instrument and Serial Number

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 7 of 9 ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED H-7STE1P

____12 NOTIFY THE FOLLOWING OF SURVEY RESULTS:

• RPS

• Senior individual in facility

_ 13 VERIFY AREA IS DEEMED HABITABLE BY IF area NOT habitable, THEN do the RPS (OR RAD) following:

a) Update postings at access control points.

b) Provide survey coverage for personnel relocation to alternate facilities.

14 TAKE RESPONSE ACTIONS ASSOCIATED WITH LISTED CONDITION BASED ON SAMPLE RESULTS (as appropriate):

CONDITION RESPONSE Air sample greater than or equal Assign respiratory protection to 0.30 DAC (particulate plus (as directed by RPS) iodine)

Smear survey greater than 1000 Secure area by roping off disintegrations per minute (dpm)/ contaminated area and issuing 100 square centimeters protective clothing Direct radiation levels greater

• Give a dose rate meter to than or equal to 2 mR/hr qualified individual e Ensure all personnel issued both SRD and TLD

_ 15 ASK RPS FOR UPDATE OF RADIOLOGICAL CONDITIONS

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 8 of 9 STEP14 H

ACTION/EXPECTED RESPONSE

-It l RESPONSE NOT OBTAINED I-l

___ 16 CHECK RADIOLOGICAL CONDITIONS GO TO Step 18.

DEGRADED 17 ASK RPS TO DESIGNATE AREAS NEEDING IMMEDIATE SURVEY AND ACCESS CONTROL 18 VERIFY ALL AREAS DESIGNATED FOR RETURN TO Step 4.

INITIAL OR FOLLOW-UP SURVEY COMPLETED

__ 19 CHECK - CONTINUED MONITORING GO TO Step 22.

REQUIRED 20 CHECK FOLLOW-UP SURVEY - DUE: WHEN follow-up survey due, THEN RETURN TO Step 4.

Follow-up survey schedule established by RPS OR

• Default survey schedule

"*OSC - every hour

"*TSC - every 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />

"*CR - every 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />

"* Alt. OSC - as directed

___ 21 RETURN TO STEP 4

___ 22 CHECK FACILITY - DEACTIVATED WHEN facility deactivated, THEN GO TO Step 23.

___ 23 COLLECT DOSIMETRY

NUMBER PROCEDURE TITLE REVISION EPIP-4.17 MONITORING OF EMERGENCY RESPONSE FACILITIES 15 PAGE 9 of 9

-LIJ-t ACTION/EXPECTED RESPONSE F-H I RESPONSE NOT OBTAINED H-l 24 GIVE ATTACHMENT 3 TO EXPOSURE CONTROL FOR RECORD UPDATE 25 DOCUMENT RESULTS:

a) Complete all survey forms:

"*Instrument used

"*Instrument serial number

"*Date

"*Time

"*Initials b) Attach sample data to corresponding survey forms after completion of analysis c) Give survey and analysis data to RPS 26 TERMINATE EPIP-4.17 a) Do Emergency Kit Inspections PT b) Give completed EPIP-4.17 with all attachments to the RPS c) Completed by:

Date:

Time:

-END-

NUMBER ATTACHMENT TITLE REVISION EPIP-4.17 SURVEY MAP OF TSC 15 ATTACHMENT PAGE 1 I of 4 Location TSC Date Time

Purpose:

[N Routine [I Non-Routine [I RWP Prep., for RWP No. Reactor Power: #1  %

Type: [] Gamma Nl Beta [N Neutron [N Smear GA [I Smear LA [N Smear HP [l Air Sample #2  %

2 Instrument Model Serial # [I All GA smears <1000 DPM/IDDcm except as noted on map or smear worksheet 2 2

[E All GA smears <1000 DPM/lD0cm [I All GA smears in DPM/IO0cm 2

[U All LA smears <1000 DPM/ft [] All HP smears in HPs/smear

[] All HP smears < 1 HP/smear [) All gamma readings in mrem/hr

[I Air particulates + 12 < 0.1 DAC [] All neutron readings in mrem/hr

[] [I All beta readings in mrad/hr Comments: Survey RWP:

Survey Team Dose, mrem Submitted By (Print & Signature): Reviewed By (Print & Signature): Date:

(SRD/DAD or calculated):

[] General Area, 0 Contact; A GA Smear; 0> LA Smear; A* HP Smear; AS Air Sample; LCK Locked Gate; *** Proposed Rad Barrier for access control

NUMBER ATTACHMENT TITLE REVISION EPIP-4.17 SURVEY MAP OF OSC 15 ATTACHMENT PAGE 1 2 of 4 Location MAINTENANCE BUILDING, THIRD FLOOR Date Time

Purpose:

[I Routine [] Non-Routine [I RWP Prep.. for RWP No. Reactor Power: #1 _  %

Type: [] Gamma [I Beta [H Neutron [H Smear GA [I Smear LA [H Smear HP [I Air Sample #2  %

2 Instrument Model Serial # H All GA smears <1000 DPM/IO0cm except as noted on map or smear worksheet 2 2 (I All GA smears <1000 DPM/IO0cm H All GA smears in DPM/ID0cm i 2 E] All LA smears <1000 DPM/ft [H All HP smears in HPs/smear H All HP smears < 1 HP/smear [H All gamma readings in mrem/hr

[I Air particulates + 12 < 0.1 DAC [H All neutron readings in mrem/hr i

[I N All beta readings in mrad/hr Comments: Survey RWP:

Survey Team Dose, mrem Submitted By (Print & Signature): Reviewed By (Print & Signature): Date:

(SRD/DAD or calculated):

U] General Area, 0 Contact; A GA Smear; <> LA Smear; A HP Smear; AS Air Sample; LCK Locked Gate; *** Proposed Rad Barrier for access control

NUMBER ATTACHMENT TITLE REVISION EPIP-4.17 SURVEY MAP OF ALTERNATE OSC 15 ATTACHMENT PAGE 1 3 of 4 Location ALTERNATE OSC (EMERGENCY SWITCHGEAR) Date Time

Purpose:

[] Routine El Non-Routine [E RWP Prep., for RWP No. Reactor Power: #1  %

Type: [] Gamma [E Beta [] Neutron [E Smear GA [E Smear LA [E Smear HP EN Air Sample #2  %

2 Instrument Model Serial # [E All GA smears <1000 DPM/100cm except as noted on map or smear worksheet 2 2

[I All GA smears <1000 DPM/100cm [E All GA smears in DPM/lOcm 2

[I All LA smears <1000 DPM/ft (] All HP smears in HPs/smear El All HP smears < 1 HP/smear [E All gamma readings in mrem/hr El Air particulates + 12 < 0.1 DAC [] All neutron readings in mrem/hr El [l All beta readings in mrad/hr Comments: Survey RWP:

Survey Team Dose, mrem Submitted By (Print & Signature): Reviewed By (Print & Signature): Date:

(SRD/DAD or calculated):

1 1=7-E:1 LJLJL LU L____ J r_1 =

E Lj General Area, 0 Contact; A GA Smear; 0 LA Smear; A HP Smear; AS Air Sample; LCK Locked Gate; *** Proposed Rad Barrier for access control

NUMBER ATTACHMENT TITLE REVISION EPIP-4.17 SURVEY MAP OF CONTROL ROOM 15 ATTACHMENT PAGE 1 4 of 4 Location CONTROL ROOM Date Time

Purpose:

[I Routine [I Non-Routine [I RWP Prep., for RWP No. Reactor Power: #1  %

Type: [] Gamma E] Beta [3 Neutron N Smear GA H] Smear LA [] Smear HP N Air Sample #2 __  %

2 Instrument Model Serial # [I All GA smears <1000 DPM/100cm except as noted on map or smear worksheet 1- 2 2

[] All GA smears <1000 DPM/IOcm [I All GA smears in DPM/IOOcm

+ 2

[I All LA smears <1000 DPM/ft [I All HP smears in HPs/smear

[E All HP smears < 1 HP/smear (] All gamma readings in mrem/hr

[E Air particulat es + Iz < 0.1 DAC (l All neutron readings in mrem/hr i

[l All beta readings in mrad/hr Comments: Survey RWP:

Survey Team Dose, mrem Submitted By (Print & Signature): Reviewed By (Print & Signature): Date:

(SRD/DAO or calculated):

[I]Gene-al Area, 0 Contact; A GA Smear; <> LA Smear; a HP Smear; AS Air Sample; LCK Locked Gate; *** Proposed Rad Barrier for access control

NUMBER ATTACHMENT TITLE REVISION EPIP-4.17  % DAC DETERMINATION 15 ATTACHMENT PAGE 2 1 of 1 DETERMINATION OF % DAC: IODINE CARTRIDGE 1000 30% DAC

] l i]5l l 4:  :  : :  : :

N 3I i l l l l 20% DACI 100 e 10% DAC t 5  :  :  : :  : :

3-l ~ l ] l l C 2 -[ l t l i l P

N 10 1

2 3 4 5 6 7 8 9 10 Volume (cubic feet)

DETERMINATION OF % DAC: PARTICULATE FILTER 1000 I H 30% DAC N 20% DAC 100 e 10% DAC t 5 C

P M 10 1

2 3 4 5 6 7 8 9 10 Volume (cubic feet)

NUMBER ATTACHMENT TITLE REVISION DOSIMETRY ISSUE 15 EPIP-4.17 ATTACHMEENT PAGE 3 1 of 1 TLD DOSIMETER INITIAL END NAME NUMBER DATE TIME NUMBER READING READING I

NUMBER ATTACHMENT TITLE REVISION EPIP-4.17 EMERGENCY KIT SUPPLIES 15 ATTACHMENT (TSC, OSC & ALTERNATE OSC) PAGE 4 1 of 1 PROTECTIVE CLOTHING 1 Package of Cotton Inserts 5 Pair of Rubber Gloves 2 Hoods 2 Sets of PCs 2 Pair of Rubber Boots 2 Full-face Respirators, e.g., Ultravue or equivalent INSTRUMENTATION AND SAMPLING SUPPLIES 1 E520 with 177 (or equal) 1 RM-14 with 210 (or equal) 2 Boxes of smears 1 H809V air sampler 1 Box of air particulate filters 1 Set of silver zeolite cartridges (6 individually wrapped cartridges/set) 1 Bag of plastic bags MISCELLANEOUS EQUIPMENT 2 Flashlights 2 Sets of replacement batteries for flashlight(s) 5 Placards with assorted inserts and barrier rope 1 CS-137 check source 1 Container with posting instructions and supplies 2 Dosimeter chargers

VIRGINIA POWER NORTH ANNA POWER STATION EMERGENCY PLAN IMPLEMENTING PROCEDURE NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE (With 7 Attachments) 1 of 10 PURPOSE Provide radiation protection for LEOF personnel.

ENTRY CONDITIONS Activation by EPIP-4.02, RADIATION PROTECTION SUPERVISOR CONTROLLING PROCEDURE.

Approvals on File Effective Date Ii1P0&O)c.

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 2 of 10 ACTION/EXPECTED RESPONSE F-] RESPONSE NOT OBTAINED I-1 INITIATE PROCEDURE:

• By:

Date:

Time:

2 ASK RPS FOR BRIEFING:

"* Transportation to LEOF

"* Direction of plume (if radiological release occurred)

"* Protective equipment required at the LEOF (PCs, respiratory protection, dosimetry)

NOTE: The contents of the LEOF Emergency Kit are listed in Attachment 7. I 3 ENSURE EXPOSURE CONTROL NOTIFIED TO PROVIDE THE FOLLOWING TO LEOF:

"* Approximately 50 self-reading low range dosimeters

"* Approximately 50 freshly annealed TLDs 4 GO TO LEOF

__ 5 CHECK LEOF DOOR - UNLOCKED Ask Security to open LEOF.

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 3 of 10 STEP ACTION/EXPECTED RESPONSE P-1 I RESPONSE NOT OBTAINED I CAUTION: e Both indicator lights illuminate when equipment is changing status.

"*The operator should wait until only one light is on before determining status.

"* It may take up to 15 seconds for an indicator light to change after a button is pressed.

NOTE: Instructions for the Normal, Emergency and Isolation Mode of the LEOF Heating, Ventilation and Air Conditioning (HVAC) system are provided in Attachments 4, 5 and 6, respectively.

___ 6 VERIFY HVAC SET TO EMERGENCY MODE: IF HVAC status lights indicate Normal Mode or Isolation Mode, a) Go to Ventilation Control THEN do the following:

Panel: 0-HV-CP-01

1) IF HVAC in Isolation Mode, THEN b) Verify status lights: assure RAC knows PING-3B will not monitor LEOF air activity.

"* Unit Fan S-1 RUN (RED)

"* Computer Fan S-2 RUN (RED) 2) Ask RAC for direction regarding

"* HEPA Fan F-1 RUN (RED) changing HVAC mode.

"* Damper D-1 STOP (GREEN)

IF HVAC NOT operable, THEN do the

"* Damper D-2 RUN (RED)

"* Damper D-3 RUN (RED) following:

1) Assure RAC knows HVAC status.

2) Evaluate effect on following:

"* LEOF habitability.

"* PING-3B operability.

7 OPEN LEOF EMERGENCY KIT

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 4 of 10

-LH ACTION/EXPECTED RESPONSE F-]

l RESPONSE NOT OBTAINED I-I 8 PERFORM INSTRUMENT OPERABILITY CHECKS (battery, calibration, source check) 9 DO INITIAL SURVEY:

a) Record results of the following surveys on Attachment 1:

"*Smear Survey

"*Direct Radiation Survey b) Get air sample:

1) Insert silver zeolite and particulate filter into air sampler

2) Get a 10 ft 3 air sample if time permits (Get at least a 5 ft 3 air sample)

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 5 of 10

-LIj-t ACTION/EXPECTED RESPONSE F-A l

RESPONSE NOT OBTAINED F-l 10 DO AIR SAMPLE CARTRIDGE ANALYSIS:

a) Go to a low background area with the air sample and frisker b) Turn on frisker c) Wait for frisker to stabilize d) Take background (BKG) radiation level reading in CPM e) Hold silver zeolite 1/4 inch from detector with influent side of cartridge facing the detector f) Take GROSS CPM reading g) Calculate NET CPM:

Gross CPM - BKG CPM = NET CPM h) Do % DAC screening:

1) Use Attachment 2

2) Plot NET CPM against sample volume i) Put sample in a poly bag labeled with the following:

"*Date

"*Time

"*Volume

"* Location j) Record results on Attachment 1:

"* Analysis results

"* Date

"* Time

"* Instrument and Serial Number

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 6 of 10 ACTION/EXPECTED RESPONSE F-I l

RESPONSE NOT OBTAINED F-11 DO PARTICULATE FILTER ANALYSIS:

a) Wait for frisker to stabilize b) Take background (BKG) radiation level reading in CPM c) Hold filter 1/4 inch from detector with influent side of cartridge facing the detector d) Take GROSS CPM reading e) Calculate NET CPM:

Gross CPM - BKG CPM = NET CPM f) Do % DAC screening:

1) Use Attachment 2

2) Plot NET CPM against sample volume g) Put sample in a poly bag labeled with the following:

"* Date

"*Time

"* Volume

"* Location h) Record results on Attachment 1:

"* Analysis results

"* Date

"* Time

"* Instrument and Serial Number

_ 12 NOTIFY RPS (or RAC) OF RESULTS

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 7 of 10 ACTION/EXPECTED RESPONSE F-I  !

RESPONSE NOT OBTAINED F-13 ESTABLISH ACCESS CONTROL POINT AT LEOF ENTRANCE:

"*Personnel monitoring area with frisker for personnel to monitor upon entry into LEOF

"*Dosimetry issue point

"* Ensure entry/exit points are controlled 14 ASSIGN DOSIMETRY:

a) Ask Security for list of personnel who are in LEOF b) Record information on Attachment 3 for each person c) Assign dosimetry:

"*TLD

"* Zeroed low range SRD or DAD d) Continue to assign dosimetry to additional personnel as they arrive 15 CHECK AREA - CONTAMINATED IF LEOF NOT contaminated, THEN GO TO Step 19.

16 ISOLATE (ROPE-OFF) CONTAMINATED AREA 17 ASK RPS FOR ASSISTANCE IN DECONTAMINATION AND FOR SUPPLY OF PROTECTIVE CLOTHING (AS NEEDED)

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 8 of 10 ACTION/EXPECTED RESPONSE F-]

l l

RESPONSE NOT OBTAINED H-18 GIVE OUT PROTECTIVE CLOTHING TO LEOF PERSONNEL (AS NEEDED) 19 CHECK AIR SAMPLE RESULTS GREATER IF air sample results LESS THAN THAN OR EQUAL TO 0.30 DAC LEVELS 0.30 DAC, THEN GO TO Step 22.

20 NOTIFY RAC ABOUT HIGH AIRBORNE ACTIVITY LEVELS 21 ASSIGN RESPIRATORY PROTECTION AS DIRECTED BY THE RAC 22 INITIATE EPIP-4.28, TSC/LEOF RADIATION MONITORING SYSTEM 23 CHECK PING-3B - OPERATIONAL IF PING-3B NOT operational, THEN GO TO Step 25.

24 GO TO STEP 26

NUMBER PROCEDURE TITLE REVISION EPIP-4.18 MONITORING OF LEOF 12 PAGE 9 of 10 HLSTEPH4 ACTION/EXPECTED RESPONSE HII RESPONSE NOT OBTAINED H-25 CONTINUE MONITORING:

a) Notify RAC PING-3B inoperable b) Consult with RAC about survey schedule (recommended survey schedule appears below)

RADIOLOGICAL RELEASE STATUS RECOMMENDED SURVEY FREQUENCY No release or release < 100% ODCM Do survey every 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Radiological release with actual or projected doses < 0.1 Rem TEDE and Do survey every 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />

< 0.5 Rem Thyroid CDE Radiological release with actual or Do survey every 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND projected doses _>0.1 Rem TEDE or take direct readings in general

> 0.5 Rem Thyroid CDE area every 15 - 30 minutes c) Repeat surveys as directed d) Report results to RAC and RPS 26 CHECK EMERGENCY - TERMINATED Continue assessment AND RETURN TO Step 23.

NUMBER PROCEDURE TITLE EPIP-4.18 MONITORING OF LEOF

• ACTO/EXPECTED RE ERESPONSE AEOTDOTAIEO 27 COMPLETE MONITORING ACTIVITIES:

a) Complete Attachment 1 for all surveys:

"* Date

"* Time

"* Instrument and Serial Number

"* Name b) Give completed surveys to RPS c) Take air samples to the plant for further analysis 28 TERMINATE EPIP-4.18:

a) Do Emergency Kit Inspections PT b) Give completed EPIP-4.18, forms, and other applicable records to the RPS c) Completed by:

Date:

Time:

- END -

NUMBER ATTACHMENT TITLE REVISION EPIP-4.18 SURVEY MAP OF LEOF 12 ATTACHMENT PAGE 1 I of 1 Location LEOF Date Time

Purpose:

[I Routine [3 Non-Routine [] RWP Prep., for RWP No. Reactor Power: #1 Type: [I Gamma [U Beta [H Neutron [I Smear GA [I Smear LA [H Smear HP [I Air Sample #2 _  %

2 Instrument Model i Serial # All GA smears <1000 DPM/I00cm except as noted on map or smear worksheet 2 2 All GA smears <1000 DPM/100cm [I All GA smears in DPM/IOOcm

[]

2 All LA smears <1000 DPM/ft [I All HP smears in HPs/smear E1 All HP smears < 1 HP/smear [I All gamma readings in mrem/hr E]

Air particulates + Iz < 0.1 DAC [E All neutron readings in mrem/hr E1 [I All beta readings in mrad/hr I

Comments: Survey RWP:

Survey Team Dose, mrem Submitted By (Print & Signature): Reviewed By (Print & Signature): Date:

(SRD/DAD or calculated):

-p I I 0o0 oo oooool O00 0 STATE HEALTH PHYSICS NFC0 COMPUTER RAD 0 ROOM SECURITY/ 0 HEALTH DOSE 0 CONTROL 0 0 0 STATE IE o RECOVERY I I 1 MANAGER 0

-]

-1 CONFERENCE ROOM RECORDS/

CONFERE ADMIN.

SERVICES PUBLIC AFFAIRS ELECTRICAL/

MECHANICAL ROOM

[I General Area, 0

Contact:

A GA Smear; <> LA Smear; A* HP Smear; AS Air Sample; LCK Locked Gate; *** Proposed Rad Barrier for access control

NUMBER ATTACHMENT TITLE REVISION EPIP-4.18  % DAC DETERMINATION 12 ATTACHMENT PAGE 2 1 of 1 DETERMINATION OF % DAC: IODINE CARTRIDGE 1000

{30% DAC 120% DACl N 100 e 10o% DACI t

C P

M 10 1

2 3 4 5 6 7 8 9 10 Volume (cubic feet)

DETERMINATION OF % DAC: PARTICULATE FILTER 1000 5

4 3

30% DAC 2

120o DACI N 100 e {10% DACI 5

t 4

3 C 2 P

M 10 65 4

3 2

1 I I I 2 3 4 5 6 7 8 9 10 Volume (cubic feet)

NUMBER ATTACHMENT TITLE REVISION EPIP-4.18 DOSIMETRY ISSUE 12 ATTACHMENT WORKSHEET PAGE 3 1 of 1 TLD DOSIMETER INITIAL END NAME NUMBER DATE TIME NUMBER READING READING 4 4- 1- 1 1 I 1- 1- 4- I I

4. 4- + I I I 4 1 4- t I 4 4 4- I 1 4 4 4- I

NUMBER ATTACHMENT TITLE REVISION EPIP-4o18 HVAC OPERATIONS 12 ATTACHMENT NORMAL MODE PAGE 4 1 of 1 CAUTION: When performing HVAC operations, the damper indicator lights should show the damper fully closed (stop - green) or open (run - red) prior to performing the next step in the sequence.

NOTE: All components should be cycled to the off/closed position if the system has tripped due to a power failure.

EQUIPMENT STATUS

1. Damper D-I RUN (Red)

2. Air Handler Fan, S-1 RUN (Red; Refer to Notes #1 & #2 below)

3. Damper D-3 RUN (Red)

4. HEPA Filter Fan, F-1 STOP (Green: Refer to Note #3 below)

5. Damper D-2 STOP (Green)

6. Computer Room HVAC, S-2 RUN (Red)

7. Computer Room HVAC, S-4 RUN (Red; Refer to Note #4 below)

8. Exhaust Fan, V-1 ON (Refer to Note #5 below)

Note 1) The room thermostat cycles the refrigeration unit (S-3) or heating coils (HC) as thermostat demands, while the air handler fan runs continuously.

Note 2) Damper D-3 is interlocked with the Air Handler Fan S-1 and will not open unless S-1 is running.

Note 3) HEPA Filter Fan F-1 and Damper D-2 are interlocked. Fan F-1 will not operate without D-2 open. If Damper D-2 is closed with F-1 operating, then fan F-1 will trip off-line.

Note 4) The Computer Room HVAC operates independently of the main LEOF air condition unit. Switch S-2 is located on the ventilation panel and Switch S-4 is located on the MCC in the Electrical/Mechanical Equipment Room labelled "Computer Room Indoor HVAC Unit". Both switches must be ON for the system to operate.

Note 5) The ON/OFF switch for fan V-1 is in the Custodian's Closet, which is located next to the men's room and normally locked. Get LEOF key (NAB-110) from Security. The operating switch is the left switch on the double switch plate. Exhaust Fan V-1 can only be operated if: 1) Air Handler S-1 is RUN (Red).

2) Damper D-3 is RUN (Red).

3) The ON/OFF switch for V-I is ON.

NUMBER ATTACHMENT TITLE REVISION EPIP-4.18 HVAC OPERATIONS 12 ATTACHMENT EMERGENCY MODE PAGE 5 1 of 1 CAUTION: When performing HVAC operations, the damper indicator lights should show the damper fully closed (stop - green) or open (run - red) prior to performing the next step in the sequence.

EQUIPMENT STATUS

1. Air Handler Fan S-1 RUN (Red)

2. Damper D-1 STOP (Green)

3. Damper D-2 RUN (Red)

4. Damper D-3 RUN (Red)

5. Exhaust Fan V-1 ON (Refer to Note #1 below)

6. HEPA Filter Fan F-1 RUN (Red)

7. Computer Room HVAC, S-2 RUN (Red)

8. Computer Room HVAC, S-4 RUN (Red; Refer to Note #2 below)

Note 1) The local ON/OFF switch for fan V-1 is in the Custodian's Closet, which is located next to the men's room and normally locked. Get LEOF key (NAB-110) from Security. The operating switch is the left switch on the double switch plate.

Exhaust Fan V-1 can only be operated if:

1. Air Handler S-I is RUN (Red).

2. Damper D-3 is RUN (Red).

3. The local ON/OFF switch for V-I is ON.

Note 2) The Computer Room HVAC system operates independently of the main LEOF air conditioning unit. Switch S-2 is located on the ventilation panel and Switch S-4 is located on the MCC in the Electrical/Mechanical Equipment Room labelled "Computer Room Indoor HVAC Unit". Both switches must be ON for the system to operate.

NUMBER ATTACHMENT TITLE REVISION EPIP-4.18 HVAC OPERATIONS- 12 ATTACHMENT ISOLATION MODE PAGE 6 1 of 1 CAUTION: When performing HVAC operations, the damper indicator lights should show the damper fully closed (stop - green) or open (run -. red) prior to performing the next step in the sequence.

EQUIPMENT STATUS

1. Air Handler Fan S-I RUN (Red)

2. Damper D-1 STOP (Green)

3. HEPA Filter Fan F-1 STOP (Green)

4. Damper D-2 STOP (Green)

5. Exhaust Fan V-1 OFF (Refer to Note #1 below)

6. Damper D-3 STOP (Green)

7. Computer Room HVAC, S-2 RUN (Red)

8. Computer Room HVAC, S-4 RUN (Red; Refer to Note #2 below)

Note 1. The local ON/OFF switch for fan V-1 is in the Custodian's Closet, which located next to the men's room and is normally locked. Get LEOF key (NAB-110) from Security. The operating switch is the left switch on the double switch plate.

Note 2. The Computer Room HVAC system operates independently of the main LEOF air conditioning unit. Switch S-2 is located on the ventilation panel and Switch S-4 is located on the MCC in the Electrical/Mechanical Equipment Room labelled "Computer Room Indoor HVAC Unit". Both switches must be ON for the system to operate.

NUMBER ATTACHMENT TITLE REVISION EPIP-4.18 LEOF EMERGENCY KIT SUPPLIES 12 ATTACHMENT PAGE 7 1 of 1 PROTECTIVE CLOTHING 1 Package of Cotton Inserts 5 Pair of Rubber Gloves 2 Hoods 2 Sets of PCs 2 Pair of Rubber Boots 2 Full-face Respirators, e.g., Ultravue or equivalent INSTRUMENTATION AND SAMPLING SUPPLIES 1 E520 with 177 (or equal) 1 RM-14 with 210 (or equal) 2 Boxes of smears 1 H809V air sampler I Box of air particulate filters 1 Set of silver zeolite cartridges (6 individually wrapped cartridges/set) 1 Bag of plastic bags MISCELLANEOUS EQUIPMENT 2 Flashlights 2 Sets of replacement batteries for flashlight(s) 5 Placards with assorted inserts and barrier rope 1 CS-137 check source 1 Container with posting instructions and supplies 2 Dosimeter chargers