rev 1 to vol 2,part 5 of plant emergency procedure pep-341, … · 2018-08-31 · pep-341 rev. 1 i...

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APR014

CAROLINA POWER & LIGHT COMPANY

SHEARON HARRIS NUCLEAR POWER PLANT

PLANT OPERATING MA%JAL

VOLUME 2

PART 5

PROCEDURE TYPE: PLANT EMERGENCY PROCEDURE (PEP)

NUMBER: PEP-341

TITLE: MANUAL DOSE CALCULATION

REVISION 1

APPROVED:Signature Date

TITLE: L L WILUS, PLANT GENERAL NNAGER

Wb8510010288 8 00400,pgg ADOCK 050. pn~~ F

of 22

APR014

TABLE OF CONTENTS

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Table oi ContentsList of Effective Pages1.0 PURPOSE2.0 REFERENCES

2.1 Emergency Plan References2.2 Referenced Plant Emergency Procedures2.3 Other References

3.0 RESPONSIBILITIES3.1 Site Emergency Coordinator3.2 Dose Pro/ection Team Leader

4.0 DEFINITIONS5.0 GENERAL

5.1 Calculations5.2 Release Pathways

6.0 INITIATINGCONDITIONS7.0 PRECAUTIONS AND LIMITATIONS8.0 SPECIAL TOOLS AND EQUIPMENT9.0 PROCEDURE STEPS

10.0 DIAGRAMS/ATTACHMENTS1. Manual Dose Pro)ection Record Sheet2. Meteorological Dispersion (X/Q) Value at SHNPP Plant

Boundary3. Dose Conversion Factors4. Extrapolation Factors for Estimating Doses Beyond

SHNPP Plant BoundarySource Activity VorksheetAffected, Downwind Sectors

234

4

4444

555

666

1415

1819

202122

PEP-341 Rev. 1

IPage 2 of 22

~ l'PR014

LIST OF EFFECTIVE PAGES

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1 through 22

Revision

PEP-341 Rev. 1I

Page 3 of 22

APR014

1.0 PVRPOSE

The purpose of this procedure is to partially implement Section4.4.3, "Dose Projection," of the SHNPP Emergency Plan, which is aregulatory commitment.

This procedure provides instructions to perform a manual calculationof projected off-site doses. This procedure is used when computer-ized systems are not available, and therefore PEP-342 or PEP-343cannot be used. It can be used when various systems or pieces ofequipment are not functioning, or when monitor readings are suspector off-scale.

2.0 REFERENCES

2.1 Emer enc Plan References

1. Section 4.4.3, "Dose Projection"

2. Annex B, "Technical Basis of Emergency Dose ProjectionProgram"

2.2 Referenced Plant Emer enc Procedures

1. PEP-101, "Emergency Classification and Initial EmergencyActions"

2. PEP-216, "Dose Projection Team Leader"

3. PEP-343, "Automation of Dose Projection — IBMPC"

4. PEP-104, "Protective Action Recommendations".

5. Plant Special Order, "Emergency Phone List"

2.3 Other Develo mental References

1. VSNRC Regulatory Guide 1.109

2. SD-118, "Radiation Yionitoring"

3. Affidavit of Robert G. Black, Jr. on Eddleman — 154 beforethe Atomic Safety and Licensing Board d-ted October 8,1984.

3.0 RESPONSIBILITIES

PEP-341 Rev. 1 page 4 of 22

APR014

3.1 Site Emer enc Coordinator

The Site Emergency Coordinator - Control Room is responsible forimplementing, this procedure if the Technical Support Center has notbeen activated.

3.2 Dose Pro ection Team Leader

The Dose Projection Team Leader is responsible for implementing thisprocedure after the Technical Support Center is activated.

4. 0 DEFINITIONS

None Applicable

5.0 GENERAL

5.1 Calculations

The dose rate due to gaseous effluents at a given point downwindresulting from an identified release is calculated by the formula:

D ~ X/Q ~Q ~ DCF ~ R

where D is the dose rate in rem/hr,X/Q is the atmospheric dispersion factor in units ofsec/Ms at the plant boundary,Q is the source term in Ci/sec,

rem/hrDCF is the dose conversion factor in ————

Ci/m3

and R is a factor that adjusts X/Q for distance from theplant boundary.

The total dose ra'te at a given point is calculated by summing thesource terms for each identified release pathway, and calculatingthe dose rate by the above formula.

The affected downwind sectors and the atmospheric dispersion factors(X/Q) at a given distance downwind are determined directly fromtabular data as functions of atmospheric stability and wind speed.

Isotopic mix affects both the dose conversion factor (DCF), and thesource term (Q) if source term is determined from an installedradiation monitor. If an isotopic analysis is available, it is usedto calculate the source term. The dose conversion factor isdetermined from tabular data as a function of time after reactorshutdown. The table assumes a design basis isotopic release mix of100 percent of the core gap inventory of noble gases and 25 percentof the halogens, and adjusts the mixture for decay. When determinedfrom installed radiation monitors, determination of source termassumes that noble gas detectors respond to noble gas activity only,

PEP-341 Rev. 1 Page 5 of 22

APR014

CALCULATIONS (cont'd)

that the containment area monitors and main steam line monitorsrespond to both iodine and noble gas activity, and that iodineactivity is 15X of the total activity.

5.2 Release Pathwa s

1. Containment leakage directly to the atmosphere is assumedto be occurring at the rate of 0.1 percent of the freevolume per day for the first 24 hours following anaccident and at 0.05 percent per day thereafter. Thisleakage is assumed even if the containment status isconsidered "Intact" in accordance with PEP-101 andPEP-104.

2. Primary to secondary leakage is assumed to be released tothe atmosphere via the atmospheric steam dump valvesand/or steam generator relief valves whenever there isindication that any of these valves are open. The sourceterm for this release is determined from the measured ordesign flow rate through these valves, and either readingson the main steam line radiation monitors or analysis of acondensed steam sample.

3 ~ Releases are assumed to be occurring at some or all of thefour plant exhaust ventilation stacks in all cases. Thesource terms for these releases are determined by eithermeasured or design ventilation flow rates and measuredactivity concentrations.

6.0 INITIATING CONDITIONS

1. Immediately after recognition that an unplanned off-siterelease has occurred, could have occurred, or may occur,this procedure should be implemented if automated doseprojection methods are not available.

7.0 PRECAUTIONS AND LIMITATIONS

None Applicable

8.0 SPECIAL TOOLS AND E UIPMENT

1. Scientific calculator that can handle exponentialfunctions (i.e., 2 x 10 ).

9.0 PROCEDURE STEPS

l. Enter the date, time, and your name on a blank copy ofAttachment 1, "Manual Dose Projection Record Sheet".

2. Determine the release flow rates using the followingsteps. Within each step, the available methods are listedin order of preferred use.

APR014

9.0 PROCEDURE STEPS

a. For primary to secondary to atmosphere leakage via steamdump or relief valves:

1. Obtain the steam flow readings in units of millionpounds mass per hour (MLbm/hr) and record onAttachment 1, lines 5, 9, and 13. Multiply by 1.26E+5 to convert to grams per second and record theresulting mass flow rate on those lines.

OR

Record on Attachment 1, lines 2, 3, 4, 6, 7, 8, 10,ll and 12 the quantity of each type of valve thatindicates open. Multiply the number of valves openby the design flow rates (given on Attachment 1) toobtain the total mass flow rate for each type ofvalve in grams per second and record the result oneach line. Add the flow rates on lines 2, 3, and 4

and enter the sum on line 5. Repeat this additionfor main steam lines B and C, entering the sum oflines 6, 7, and 8 on line 9, and the sum of lines 10,11, and 12 on line 13.

2. If the activity concentration is to be determinedfrom the Radiation Monitoring System, select thespecific volume from the table in block 14,Attachment 1 corresponding to the indicated steampressure and record those values in cubic centimetersper gram in the space provided on lines 5, 9, and 13

of Attachment 1. Multiply the steam mass flow ratein grams per second by the specific volume in cubicce'ntimeters per gram to obtain the flow rates incubic centimeters per second, and record those valuesin the space provided on lines 5, 9 and 13.

b. For ventilation exhaust:

1. Obtain the readings if available in cubic feet perminute from the Radiation Monitoring System.

OR

Assume the maximut.'esign flow rate:vent stack 1 — 390,000 cfmvent stack 3A — 22,650 cfmvent stack 5 - 207,000 cfmvent stack 5A — 103,500 cfm


APR014

9,0 PROCEDURE STEPS

2 ~ Record the flow rates in cubic feet per minute onAttachment 1, lines 18 through 21.

C ~ For containment leakage, select 736 cubic centimeters persecond if it is less than 24 hours since the accidentbegan, or 368 cubic centimeters per second if it isgreater than 24 hours since the accident began. Circle theselected value on Attachment 1, line 22.

3. Determinelisted inresults.

the source terms using the following steps, which arethe order of preferred use to obtain the most rapid

a ~ If Radiation Monitoring System data is available:

Obtain the main steam line radiation monitor readingsin microcuries per cubic centimeter (uCi/cc) andreco'rd these values on Attachment 1, lines 15, 16 and17. Circle the units uCi/cc. Multiply by 1.0 E-6 toconvert to curies per cubic centimeter (Ci/cc), thenby the release flow rates in cubic centimeters persecond (cc/sec) to obtain the whole body source termin curies per second (Ci/sec), and record the resultsin the space provided on Attachment 1, lines 15, 16and 17. Multiply each whole body source term by0.176 to obtain the child thyroid source terms andrecord them in curies per second on the same lines.

2. Obtain the noble gas radiation monitor readings inmicrocuries per cubic centimeter (uCi/cc) for eachvent stack, and record them in the space provided onAttachment 1, lines 18 through 21. Multiply by 1.0E-6 to convert to curies per cubic centimeter(Ci/cc), multiply that product by the previouslyrecorded flow rate in cubic feet per minute, thenmultiply by 472 to convert cubic feet per minute tocubic centimeters per second. Record the resultingwhole body source terms in curies per second (Ci/sec)on Attachment 1, lines 18 through 21. Multiply eachwhole body source term by 0. 176 to obtain the childthyroid source terms and record the results on thesame lines.

3. Obtain the highest containment high range arearadiation monitor reading in R/hr and record onAttachment 1, line 22. Multiply by 9.43 E-4 toconvert R/hr to uCi/cc noble gas and record thisproduct on the same line. Multiply by 1.0 E-6 toconvert microcuries to curies, then by the previously


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9.0 PROCEDURE STEPS

circled flow rate in cubic centimeters per second(cc/sec) to obtain the ~hole body source term incuries per second (Ci/sec) and record on line 22.Multiply the whole body source term by 0.176 toobtain the child thyroid source term in curies persecond (Ci/sec) and record on the same line.

b. If the Radiation Monitoring System readings are notavailable for one or more release pathways:

1. Obtain the results of an isotopic analysis of a grabsample for each release pathway. Record thoseresults in column 2 on a separate Source ActivityWorksheet, Attachment 5, for each sample. Check the

appropriate block(s) at the top of each form toind'cate which release pathway the sample represents.Enter on each form on line 1 the expected time ofrelease (use the current time if a release isunderway), and the time of sample collection (if thesample was not corrected for decay between the timeof collection and analysis, use the time ofanalysis). Subtract to determine the decay time inhours until release, and record oa Attachment 5, line1.

2. Using the decay time in hours determined above, thedecay constants listed in column 3 of Attachment 5,and the isotopic activities recorded in column 2,calculate and record in column 4 the decay correctedactivity for each isotope using the followingformula:

-XtA A et o

where A

A0

and t

is the decay corrected activity inmicrocuries per cubic centimeter (uCi/cc)is the activity reported from the grabsample in microcuries per cubic centimeter(uCi/cc)is the1decay constant for an isotope inhours (given in column 3 of Attachment5)is the decay time in hours between releaseand sample collection (or analysis) (Line 1)

3. Add the column 4 values for the Iodine isotopes onlines 2 through 6 and enter the sum on line 7, columnAdd the noble gas column 4 values on lines 8 through19 and enter the sum on line 20, column 4.


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APRO14

9.0 PROCEDURE STEPS

4. Enter the noble gas activity totals from theAttachments 5, line 20, column 4 on the appropriatelines 15 through 22 of Attachment 1. For main steamline activities, also circle the units uCi/gm. Enterthe Iodine activity totals from Attachments 5, line7, column 4 in the space immediately above the noblegas totals on Attachment l.

5. On lines 15, 16 and 17 of Attachment 1 multiply thedecay corrected noble gas activities in microcuriesper cubic centimeter (uCi/cc) by 1.0 E-6 to convertmicrocuries to curies, then by the previously enteredflow rates in grams per second (gm/sec) to obtain thewhole-body source term in curies per second (Ci/sec)and record in the Q Whole Body column. DO NOT

multi'ply the whole body source term by 0.176.Instead, multiply the Iodine activity that waswritten in above the noble gas activity by 1.0 E-6 toconvert uCi to Ci, then by the flow rate in grams persecond to obtain the child thyroid source term inCuries per second and record in the Q Child Thyroidcolumn.

6. On lines 18 through 21 of Attachment 1, multiply thedecay. corrected noble gas activities by 1.0 E-6 toconvert microcuries to curies, by the previouslyrecorded flow rates in cubic feet per minute, then by472 to convert cubic fee- per minute to cubiccentimeters per second, and record the product incuries'er second in the Q Whole Body column. DO NOT

multiply the whole body source term by 0.176.Instead, multiply the Iodine activity that waswritten in the space above the noble gas activity by1.0 E-6 to convert microcuries to curies, by the flowrate in cubic feet per minute, then by 472 to convertcubic feet per minute to cubic centimeters persecond, and record the result in curies per second inthe Q Child Thyroid column.

7. On line 22 of Attachment 1, multiply the noble gasactivity by 1.0 E-6 to convert microcuries to curies,then by the previously circled flow rate in cc/sec,and record the product in curies per second (Ci/sec)in the Q Whole Body column. DO hOT multiply thewhole body source term by 0.176. Instead, multiplythe Iodine activity that was written in the spaceabove the noble gas activity by 1.0 E-6 to convertmicrocuries to curies, then by the flow rate inCC/sec, and record the product in curies per second(Ci/sec) in the Q Child Thyroid column.

PEP-341 Rev. 1I

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APR014

9.0 PROCEDURE STEPS

C ~ Add the amounts in the Q Whole Body column on Attachment1, lines 15 through 22, enter the sum on line 23, andtranscribe the line 23 sum to line 27.

Add the amounts in the Q Child Thyroid columns onAttachment 1, lines 15 through 22, enter the sum on line23, and transcribe the line 23 sum in Ci/sec to line 32.

4. Obtain wind speed, wind direction, stability class andatmospheric dispersion factor (X/Q):

NOTE:The following steps are applicable to dose projections forreleases that are immediately imminent or alreadyunderway. If the calculation you are performing is for ananticipated release that is not expected to occur for morethan one hour, use steps 2 or 3 below but request forecastdata for the expected time of release instead of currentdata. If the forecast is obtained from the NationalWeather Service and calls for no change from existingconditions, use the current data, if available per step 1,in preference to determining the atmospheric dispersionfactor (X/Q) as described in step 3.

a ~ Call Radiation Control and request the SHNPP onsitemeteorological data for the lower level wind speed, lowerlevel wind direction, stability class, and atmosphericdispersion factor from the Radiation Monitoring Systemreport processor (RM-21). Record those parameters onAttachment 1, lines 24, 25 and 26.

b. If data is not available from the RM-21, call theCorporate Weather Center and request the current lowerlevel wind speed, lower level wind direction, andatmospheric stability class for the Harris plant. Recordthose parameters on Attachment 1, lines 24 and 26.Determine the atmospheric dispersion factor (X/Q) from thetable in Attachment 2 and record it on Attachment 1, line25.

C ~ If both the Radiation Monitoring System and the CorporateWeather Center are unavailable, call the National WeatherService at the Raleigh-Durham airport and request to speakto the forecaster on duty. Request from the forecasterthe current wind direction a'nd wind velocity as recordedat the airport observation station, and an estimate of theatmospheric stability for the lowest 1000 feet of theatmosphere. Record this information on Attachment 1,lines 24 and 26. Determine the atmospheric dispersionfactor (X/Q) from the table in Attachment 2 and record iton Attachment 1, line 25.


APR014

9.0 PROCEDURE STEPS

d. If the Radiation Monitoring System, the Corporate WeatherCenter and the National Weather Service are unavailable,determine wind speed and wind direction and atmosphericconditions from visual observations outdoors and use thetable below to determine stability class:

Wind

Atmos heric ConditionsClear Cloudy Clear Cloudy

~Da ~Ra ~Ni ht ~NS ht ~Ratntn

Light or Calm(< 9 mph)

C F E D

Moderate or Strong C

(> 9 mph)

Determine the atmospheric dispersion factor fromAttachment 2, using 1 mph for light or calm winds, 9 mphfor moderate winds, and 15 mph for strong winds, andrecord it on Attachment 1, line 25.

NOTE:Wind speed and direction may be estimated by observing thewind sock located at the Chlorine Storage Building, whichis visible from the Turbine Building by looking Eastbetween the Cooling Tower and Diesel Generator Buildings,or from the Fuel Handling Building Roof.

The wind sock points in the direction that the wind isblowing towards. If the angle between the rigidhorizontal "head" of the sock and its tail is 0 - 30degrees, the wind is "strong" and may be estimated at 15

mph. If the angle is 30- 60 degrees, the wind is"moderate" an'd may be estimated at 9 mph. If the angle isgreater than 60 degrees, the wind is "light" or "calm" andmay be estimated at 1 mph.

35. Transcribe the Atmospheric Dispersion Factor in sec/m

from line 25 of Attachment 1 to lines 27 and 32.

6. Select Dose Conversion Factors from the table inAttachment 3 corresponding to the time in hours sincereactor shutdown that the release will occur. Use the.present time is a release is 'already occurring. If thetime falls between two times in the table, use the nextshorter time for the whole body dose conversion factor andthe next longer time for the child thyroid dose conversionfactor. If the time since reactor shutdown cannot bedetermined, use 4.72 E+2 for whole body and 3.42 E+6 forchild thyroid. Record the whole body dose conversion

PEP-341 Rev. 1I

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APR014

9.0 PROCEDURE STEPS

factor in rem/hr per Ci/m on Attachment 1, line 27 and3

the child thyroid dose conversion factor on line 32.

7. Calculate the child thyroid dose commitment rate and thewhole body dose rate at the plant boundary by multiplyingthe source term in Ci/sec by the Atmospheric DispersionFactor in sec/m , then by the dose conversion factor inrem/hr per Ci/m on lines 27 and 32 of Attachment l.Record the products in rem/hr.

Enter the known or estimated release duration in hours onthose lines, then multiply the exposure rates in rem/hr bythe duration to obtain the integrated doses in rem.Record the integrated doses in the last column of lines 27and 32 on Attachment 1.

8. Using the stability class from Attachment 1, line 26,determine from the table in Attachment 4 the extrapolationfactors for distances of 1.3, 2, 5 and 10 miles. Enterthe factor for 1.3 miles on lines 28 and 33 of Attachment1, for 2 miles on lines 29 and 34, for 5 miles on lines 30and 35, and for 10 miles on lines 31 and 36.

9. On each of lines 28 through 31, multiply the extrapolationfactor by the dose rate in rem/hr from line 27 to obtaindose rates, and by the integrated dose in rem from line 27to obtain integrated doses at the specified downwinddistances. Record those values in the space provided onlines 28 through 31 of Attachment 1.

10. On each of lines 33 through 36, multiply the extrapolationfactor 'by the dose rate in rem/hr from line 32 to obtaindose rates, and by the integrated dose in rem from line 32to obtain integrated doses at the specified downwinddistances. Record those values in the spaces provided onAttachment 1, lines 33 through 36.

Immediately deliver the completed record sheet, Attachment1, to the Dose Pro„-ection Team Leader or Site EmergencyCoordinator.

12. If requested, use Attachment 6 to estimate the affecteddownwind sectors, and inform the Dose Pro5ection TeamLeader or the Site Emergency Coordinator.


APR014

10.0 DIAGRAMS/ATTACHMENTS

1. Manual Dose Pro)ection Record Sheet

2. Meteorological Dispersion (X/Q) Values at SHNPP PlantBoundary (0.47 miles)

3. Dose Conversion Factors

4. Extrapolation "Factor for Estimating Doses Beyond SHNPPPlant Boundary (0.47 miles)

5. Source Activity Worksheet

6. Affected Downwind Sectors


APR014Attachment 1

Sheet 1 of 3

MANUAL DOSE PROJECTION RECORD SHEET

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PEP-341 Rev. 1I

Page 15 of 22

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APR014Attachment 1

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Fcrr PEF-34'-1 I Sheet 3 c! 3YAK":AL DOSE PPOOECTIOS RKCOR" SPEEI

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STABILITY CLASS (Fror Corporate Hetcorology Center or table bclov)26.

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Page 17 of 22PEP-341 Rev. 1

CHI' Ti'YROID. r.:LES)scc rer.hr Tcr

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Lfne fne 25 Att. 3 h r rjEXCLUS~~. APLA (SITE) BOURDARY (1.3 HILES)Extrapolstior.Factott

APR014

ATTACHMENT 2

METEOROLOGICAL DISPERSION (X/Q) VALUES ATSHNPP PLANT BOUNDARY (0.47 MILES) GROlihD LEVEL RELEASE

X/Q Values by Atmospheric Stability(Units: sec/ms)

Class

NOTE: If wind speed is between adjacent values,use the lower value to find X/Q.

Vind Speedmph m/sec A

Stability Class

1

2

34567

89

101112131415161718192021222324252627282930

0.40.91.31.82.22.73.13.64.04,54,95.45.86.36.77.27.68.08.58.99,49 '10.310.711.211.612.112.513.013.4

1.80E-058.98E-065.99E-064.49E-063.59E-062.99E-062.57E-062.25E-062.00E-061.80E-061.63E-061.50E-061.38E-061.28E-061.20E-061.12E-061.06E-069.98E-079.46E-078.98E-078.56E-078.17E-077.81E-077.49E-077. 19E-076.91E-076.66E-076,42E-076.20E-075.99E-07

7.19E-053.59E-052.40E-051.80E-051.44E-051.20E-051.03E-058.98E-067.98E-067.19E-066.53E-065.99E-065.53E-065. 13E-064.79E-064.49E-064.23E-063.99E-063.78E-063.59E-063.42E-063.27E-063.12E-062.99E-062.87E-062.76E-062.66E-062.57E-062.48E-062.40E-06

1.84E-049.22E-056.14E-054.61E-053.69E-053.07E-052.63E-052.30E-052.05E-051.84E-051.68E-051.54E-051.42E-051.32E-051.23E-051.15E-051.08E-051'.02E-059.70E-069.22E-068.78E-068.38E-068.01E-067.68E-067.37E-067.09E-066.83E-066.58E-066.36E-066.14E-06

5.12E-042.56E-041.71E-041.28E-041.02E-048.54E-057.32E-056.40E-055.69E-055.12E-054.66E-054.27E-053.94E-053.66E-053.41E-053.20E-053.01E-052.85E-052.70E-052.56E-052.44E-052.33E-052.23E-052.13E-052.05E-051.97E-051.90E-051.83E-051.77E-051.71E-05

1.07E-045.33E-043.55E-042.66E-042.13E-041.78E-041.52E-041.33E-041.18E-041.07E-049.69E-058.88E-058.20E-057.61E-057.10E-056.66E-056.27E-055.92E-055.61E-055.33E-055.07E-054.84E-054.63E-054.44E-054.26E-054. 10E-053.95E-053.80i-053.67E-053.55E-05

2.46E-031.23E-038.20E-046.15E-044.92E-044.10E-043.51E-043.07E-042.73E-042.46E-042.24E-042.05E-041.89E-041.76E-041.64E-041.54E-'041.45E-041.37E-041.29E-041.23E-041.17E-041.12E-041.07E-041.02E-049.84E-059.46E-059.11E-058.78E-058.48E-058.20E-05

6.15E-033.07E-032.05E-031.54E-031.23E-031.02E-038.78E-047.69E-046.83E-046.15E-045.59E-045. 12E-044.73E-044.39E-044.10E-043.84E-043.62E-043.42E-043.24E-043.07E-042.93E-042.80E-042.67E-042.56E-042.46E-042.37E-042.28E-042.20E-042. 12E-042.05E-04

PEP-341 Rev.l

Page 18 of 22

APR014

ATTACHMENT 3DOSE CONVERSION FACTORS

Time AfterReactor

Shutdo~m(hours)

rem/hCi m

Dose Conversion Factor (DCF)

0.00.51.02.05.08.0

12.024.072.096.0

120144168192216240

~240

6.33E+57.14E+57.89E+59.18E+51.18E+61.35E+61.53E+61.95E+62.92E+63.15E+63.28E+63.35E+63.39E+63.40E+63.41E+63.41E+63.42E+6

4.72E+24.23E+23.44E+23.54E+22.59E+21.87E+21:22E+24.24E+11.77E+11.77E+11.77E+11.77E+11.77E+11.77E+11.77E+11.77E+11.77E+1

PEP-341 Rev. 1I

Page 19 of 22

APR014

ATTACHMENT 4

EXTRAPOLATION FACTOR FOR ESTIMATING DOSESBEYOND SHNPP PLANT BOUNDARY (0.47 MILES) GROUND LEVEL RELEASE

Distancefrom Plant Extra olation Ratios b Atmos heric Stabilit Class

Miles KH A B C D E F

1 1.6*1.3 2.1

2 3.23 4.84 6.45 8.06 9.77 11.38 12.99 14.5

10 16.1

1.0E-014.6E-021.3E-023.7E-031.6E-038.0E-044.6E-042.9E-042.0E-041.4E-041.0E-04

2.2E-011.3E-015.6E-022.5E-021.4E-029.0E-036.2E-034.6E-033.5E-032.8E-032.3E-03

2.5E-011.6E-017.2E-023.5E-022.1E-021.4E-029.8E-037.4E-035.9E-034.7E-033.9E-03

2.9E-012.0E-011.0E-015.5E-023.6E-022.6E-022.0E-021.6E-021.3E-021.1E-029.3E-03

2.8E-011.9E-011.0E-015.7E-023.8E-022.8E-022.2E-021.8E-021.5E-021.3E-021.1E-02

2.8E-011.9E-011.0E-015.9E-024.1E-023.0E-022.4E-022.0E-021.7E-021.4E-021.3E-02

2.8E-011.9E-011.0E-015.9E-024.0E-023.0E-022.4E-022.0E-021.7E-021.4E-021.3E-02

* Exclusion Area Boundary Site Boundary


s

APR014ATTACHYENT 5

SOURCE ACTIVITY WORKSHEET

Form PEP-34)-$ -)

FOR RELEASE PATNVAY:

SOCRCE ACTI'r)TY hORKSHEET

Q )BIN STEA~ LINE OA D)0 VENT STACK 01 G3A 0$0 CONTAINMKNT LEAYAGE

Sample Tiz,e

Iscto e

2. 1-13)

3. 1-132

(2)A

SpecificActlvltyof SampleuCI/cc

Tfme of Release

(3)-1

hrsDecay

Corsta-tfor Isoto e

3.59E-3

3.07E-01

D cay yi y y ~

(4)At

DecayCorrectedAc"tivftymC)/cc

4. 1-133

5. 1-)34

6. )-)35

3.4)K-2

7.97E-1

).0'.

TOTAL IODINE ACT YI&

6. Rr-63m

9. Rr-85

10. Rr-65m

11.

12

13. Rr-

14. Xe

)5. Xe-133

16. Xe-)33r.

17. Xe-135

18. Xe-135r

19. Xe-)3&

KE-1

5.46K-)

2.44K-1

).3)K-)

2.44K-3

5.50E-3

1.32E-2

7.61E-2

2 7:EK.

2. 9-K~

20. TO.A'QSLK CAS ACT)YI Y u()/cc


AFR014

Attachment 6AFFECTED DOl".ih'IhD SECTORS

Vlh>771 RECT10NS(FRY)~349-! 1

)1 34

33-36

57-79

80-101

102-124

AFFECT ." ¹i'Fi:ihv SECTORS

N hNE NE ENE E ESE SE SSE S SSV SV VSL V MNV hV hhV0 X X X 0

0 X X X 0

0 X X X 0

0 X X X 0

0 X X X 0

0 X X X 0

125-146 0 0 X X X

14 7-169 X 0 0 X X

170-19) X X 0 0 X

192-"!4 X X X 0 03

Zl5-236 0 X X X 0

237-259

2"0- 81

0 X X X 0

0 X X X 0

262-30-' X X X 0

303-326

327-3(8

0 X X X 0

0 X X X 0

X Under all conditions0 1f vind speed is less than 9 miles per hour


j

P

II

rev 1 to vol 2,part 5 of plant emergency procedure pep-341, … · 2018-08-31 · pep-341 rev. 1 i...

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