Text

Public Version of Emergency Plan Implementing Procedure 20126, Offsite Dose Calculations
	ML20062F101
Person / Time
Site:	Turkey Point
Issue date:	05/17/1982
From:	Hays J, Williams J; FLORIDA POWER & LIGHT CO.
To:	;
Shared Package
ML17341B324	List: L-82-312, Forwards Public Version of Emergency Plan Implementing Procedure 20126, Offsite Dose Calculations, Per 820727 Telcon; ML17341B323; ML20062F101;
References
	20126-03, 20126-3, NUDOCS 8208110244
	Download: ML20062F101 (28)
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FLORIDA POWER AND LIGHT COMPANY

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TURKEY POINT UNITS 3 AND 4 EMERGENCY PROCEDURE 20126 MARCH 18, 1982

1.0 Title

0FF-SITE DOSE CALCULATIONS 1

l 2.0 Approval and List of Effective Pages:

2.1 Approval

(

Change Dated 3/18/82 Reviewed PNSC March 18, 1982 Approved by W

_ Plt Mgr-Nuclear, Mm/ 28 19 8 Approved by

'E Vice President of

(./

clear Energy

[a- /[

19 [ 2 2.2 List of Effective Pages:

Page Date Page Date Page Date Page Date 1

3/18/82 8

3/8/82 15 3/8/82 22 3/18/82 2

3/8/82 9

3/8/82 16 3/8/82 23 3/8/82

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3 3/18/82 10 3/8/82 17 3/8/82 24 3/8/82 4

3/8/82 11 3/18/82 18 3/8/82 25 3/8/82 5

3/18/82 12 3/18/82 19 3/8/82 26 3/8/82 6

3/18/82 13 3/8/82 20 3/8/82 27 3/8/82 7

3/18/82 14 3/8/82 21 3/8/82 28 3/8/82

3.0 Scope

3.1 Purpose

3.1.1 This procedure provides guidelines for calculating thyroid and whole body dose rates and integrated whole body and thyroid dose for the area surrounding the plant out to ten miles.

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3.2 Discussion

During any emergency involving release of radioactivity to the environment, the Emergency Plan requires that radiation dose rates and integrated doses to offsite areas within ten miles be calculated.

This information will be used in making protective action recommendations and will be an input to the State of Florida Bureau of Disaster Preparedness in determining what offsite protective actions should be taken.

When the Technical Support Center or the Emergency Operations Facility are operational, the function of dose calculation will be shifted to one of these locations.

8208110244 820805

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PDR ADOCK 05000250 F

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3/8/82 i

EMERGENCY PROCEDURE 20126, PAGE 2 0FF-SITE DOSE CALCULATIONS

3.3 Authority

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This procedure implements the Turkey Point Plant Radiological. Emergency Plan.

4,0 Precautions:

None

5.0 Responsibilities

5.1 The Emergency Coordinator is responsible for directing that thyroid and

(.

whole body dose rates and integrated thyroid and whole body doses aro calculated following an emergency which involves a release of radioactivity to the environment.

5.2 A Chemistry Department representative may be designated by the Emergency Coordinator to make these calculations in accordance with this procedure.

6.0

References:

6.1 Emergency Procedure 20101, Duties of the Emergency Coordinator 6.2 Turkey Point Plant Radiological Emergency Plan.

(,.

6.3 Accident Dose Calculations for Florida Power and Light Company, Turkey Point Nuclear Power Plant, December,1981, prepared by HMM Associates (HMM Document No.81-077) 6.4 Appendix A to this procedure - method to calculate meteorological data obtained from Homestead Air Force Base 6.5 Turkey Point Health Physics Manual 11500 6.6 Turkey Point Nuclear Chemistry Procedure NC-56, Operation of the Plant Vent Under Loss of Coolant or Similar Condition 7.0 Records and Notification:

7.1 Records of meteorological conditions used to calculate dose rates, the l

calculated thyroid and whole body dose rates and the integrated thyroid and whole body doses shall be kept on the attached worksheets.

I 7.2 As deemed appropriate by the Emergency Coordinator, the off-site authorities shall be notified of:

i 7.2.1 Meteorological conditions (wind speed, wind direction, stability, and precipitation).

e 7.2.2 Projected thyroid and whole body dose rates and integrated thyroid

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and whole body dose at 1, 2, 5 and 10 miles, including sectors A

affected, and l

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3/18/82 EMERGENCY PROCEDURE 20126. PAGE 3 0FF-SITE DOSE CALCULATIONS i.

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7.2.3 Whether default values or actual measurements were used for dose l

estimates.

7.3 FPL is required to provide the Bureau of Disaster Preparedness (BDP) with recomendations for protective actions to be taken by off-site personnel during an -emergency condition.

Until the EOF is staffed and functional following declaration of the emergency, the EC is responsible for providing the state with these recomendations. Due to the extremely large political and legal ramifications of these recomendations and their very large potential impact on FPL, the format and content guidelines established in Emergency Procedure 20101. Duties of the Emergency Coordinator, shall be adhered to.

7.3.1 Projections of dose to the BDP should be made on a best estimate basis by projecting the duration of the release if possible.

If no reasonable duration of release can be projected, a default value of two hours should be used.

8.0 Instructions

8.1 Upon initiation of an event which has resulted or could result in release of radioactive material, the Containment High Range Radiation Monitors reading should be compared to Table 12 - Action Guidelines for event classification.

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8.2 Estimated thyroid and whole body dose rates in areas surrounding the plant shall be calculated as follows:

NOTE: Unless otherwise noted, all data is to be recorded on Table 1, " Dose i

Projection Worksheet".

When available the TSC and/or EOF TRS-80 Model III Computer programed by HMM Associates in accordance with the bases of Reference 6.3 may be used for dose calculations.

The computer output of estimated thyroid and whole body dose rates and projected doses may be used in lieu of manually entering this data in Tables 1 and 2.

l 8.2.1 Record date and time of emergency on Table 1.

8.2.2 Record period for which dose p.aojection is applicable.

Dose

(.

projections will be made starting with time of releasel.

ac succeeding half hour should be re-calculated with updated data on separate worksheets.

Integrated dose shall also be recalculated after changes in release rate and/or meteorological conditions as discussed in Section 8.4.

l 8.2.3 Record the primary windspeed (Channel A), primary wind direction (Channel B) and primary stability indicator (Channel F) from l

meteorological recorder onto Table" 1.

Strip chart traces should be l

observed for the average fluctuation of these parameters.

The value i

recorded should be the average of these fluctuations over the most

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recent fifteen minutes.

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a w..;.;o

->m

,gaw gg,.,mg.m..,,

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3/8/82 EMERGENCY PROCEDURE 20126, PAGE 4 0FF-SITE DOSE CALCULATIONS j (,

NOTE:

If either primary wind direction or wind speed is J

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inoperative, record backup wind speed (Channel D) and backup wind direction (Channel E) data from South Dade tower onto i

Table 1.

If both backup parameters are not available, call li

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Homestead Air Force Base (257-7545) or use Homestead Air Force Base red phone to obtain data. (Wind speed will be given in knots from Homestead Air Force Base, to convert to mph, multiply by 1.15).

If primary stability indicator (AT) is inoperative, record actual value for backup stability indication (sigma theta) g' on worksheet.

Sigma theta value is the standard deviation g

of wind direction for a 15 minute sample; therefore, it does

?

not require an average over the previous 15 minutes.

If the backup stability indication (sigma thets) or the entire recorder is inoperative, calculate stability class 4

using method described in Appendix A.

If for some reason the meteorological data cannot be obtained, then the following default table shall be used:

STABILITY CLASS WIND SPEED Day 0

5 mph

(.

Night F

3 mph If wind speed and wind direction is obtained from Homestead Ai;- Force Base or if wind speed is determined by default value, indicate this by writing "HAFB" or " Default Value" after the entry in Table 1.

8.2.4 Determine stability class (Fasquill Category) from Table 3 and record on Table 1.

If stability class is determined by Appendix A or by default value, indicate this by writing " Appendix A"

or

(

" Default Value" after entry in Table 1.

8.2.5 If the plant Process Monitor (R-14) alarms (primary monitor),

determine effluent gas count rate average for the past fifteen

(-

minutes from the recorder and record in Column A of Table 1.

If R-14 is off-scale high, use the NMC monitor's present noble gas meter reading as an input to Column A of Table 1.

If the NMC is off-scale high, use Nuclear Chemistry Procedure NC-56, Operation of the Plant Vent Under Loss of Coolant Accident or Similar Conditions.

8.2.6 If Area Radiation Monitor No. 19 (Spent Fuel Pit Vent) al arms,

determine the instantaneous Unit 3. Spent Fuel Pit vent NMC noble gas reading and record this value in Column A of Table 1.

8.2.7 If process monitor R-15 alarms and a steam generator tube leak is

(-

suspected, determine the most recent fifteen minute count rate average and enter Column A of Table 1.

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3/18/82 1

EMERGENCY PROCEDURE 20126, PAGE 5 y

0FF-SITE DOSE CALCULATIONS

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8.2.8 The CPM values obtained should be adjusted for flow changes in the plant vent if different than normal ventilation flow of 107,500 CFM according to:

f Plant Vent Factor = Actual Flow / Normal Flow I

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The plant vent factor is listed in the Table below:

I PLANT VENT FACTOR PLANT CONTAINMENT AUXILIARY SPENT RA0 WASTE LAUNDRY VENT

(-

PURGE BULDING FUEL PIT BUILDING SYSTEM FACTOR Supp. Exh.

Supp. Exn.

Exhaust CONDITION 35000 35000 13500 40000 20000 7500 11200 NUMBER cfm cfm cfm cfm cfm cfm

fm 1

0 0

1 2

1

.29

~;

2 0

0 1

1 1

2 1

.75 3

0 0

2 2

1 2

1

.85 4

1 1

1 2

1

.93

{

5 1

1 2

2 1

1.0 6

2 2

1 1

1 2

1 1.12 7

2 2

1 2

1 1.18 If Loss of Off-Site Power occurs then proceed to Step 18.41 8.2.9 Calculate the noble gas release rate (curies /sec.) by multiplying the noble gas reading obtained in Step 8.2.5 or 8.2.6 by the calibration constant in Column B times the vent factor obtained in 8.2.8 in Column C.

Record this result in Column D of Table 1.

NOTE:

'If stack effluent monitors are inoperable, continue with C

Step 8.4l.

8.2.10 For the appropriate accident listed below, determine the correct iodine release rate factor and enter in Coltrnn E.

Accident Tyne Iodine Release Rate Factor LOCA 1with safeguards operatingl 0.011 without safeguards operating 0.063l Fuel Handling

.001 S/G Tube Rupture 0.004

y.w;g g.gg4c,h g g;ggfiq c'

_ ~ _, _

- mm o

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3/18/82 EMERGENCY PROCEDURE 20126, PAGE 6 i

0FF-SITE DOSE CALCULATIONS l

(-

8.2.11 Stermine iodine release rate by multiplying the total noble gas,

.eading in Col unn D oy iodine release rate factor in Colunn E.

j Record result in Column F in Table 1.

I l

8.2.12 Sun the noble gas releases, then the iodine releases and record each j

result in their respective sum total column of Table 1.

}

8.3 If Nuclear Chemistry Department grab sample results of noble gas and iodine lare available, they should bel substituted for instrument derived i

results.

Assay results can be converted to C1/sec as shown in Note below.

The results should be entered under the sum totals for Columns D and F on Table 1 (circle entries to indicate grab samples).

NOTE: To obtain C1/sec from grab sample assay results in pCi/cc:

j Gross Noble Gas i

or Iodine 11-131 eouivalent!

Assay Act.

x Ventilation Flow x Vol. Conver. x Time Cony. x Act. Conv.=

uCi x

ft3 x 28317 cc x

min.

x

, C1

= C1/sec cc min ft" 60 sec.

10" pC1 8.4 If the effluent monitors are inoperable and a LOCA has occurred, an estimate of the potential release rates for noble gas and iodine can be made using the readings on the Containment High Range Radiation Monitors.

('

Figure 1 compares monitor R/hr vs. Core Fraction Airborne (CF) using elapsed time-lines from Reactor Trip.

Reactor Trip Line is t=0.

Estimate 5

Dose as follows:

8.4.1 If the highest CHRRM channel indicates less than 10 R/hr, the Off-site Dose Rate is negligible. Do not proceed any further.

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8.4.2 On the vertical axis, find the R/hr on Figurc 1 for the R/hr

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observed on the highest CHRRM channel.

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8.4.3 Follow the R/hr line to where it intersects the time line representing the hour from Reactor Trip when the CHRRM reading was

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obtained. Do not interpolate between lines. On the graph reference, use the longer trip time line of the two under

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consideration.

(Example:

if 1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months have elapsed since Reactor Trip and CHRRM is observed at t=1.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months , the time line t=2 hours is the correct line). RECORD the hours since Reactor Trip and the

(

time line used on Table 1.

After 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months elapsed time use the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months line.

8.4.4 From the intersection of the R/hr line and the appropriate time line, project a vertical line downward to the horizontal axis.

(

Obtain the value of Core Fraction Airborne (CF) a unitiess number.

l This represents the fraction of core inventory that is estimated to be airborne inside containment.

Enter the CF value under the CF colunn on Table 1 Case III.

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,w m.

w e

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3/18/82 i

EMERGENCY PROCEDURE 20126, PAGE 7 0FF-SITE DOSE CALCULATIONS

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8.4.5 From Figure 2, obtain the Noble Gas Reduction Factor (R) by projecting a vertical line up from the elapsed time axis in hours to the point where it intersects the curve.

Then project a horizontal i

line towards the Reduction Factor axis to obtain the value of R.

Enter this value under the Coltann R on Table 1 Case III.

l 8.4.6 Perfonn the calculations indicated on the worksheet and enter the Noble Gas and Iodine Release Rate Ci/sec values on the Worksheet l

where indicated.

The. calculations are shown below for information.

Core Fraction Reduction Estimated Airborne Factor C1/sec

(.

Step 18.4.41 X

Step 18.4.51 X

(for a CF=1.0)

Ci/sec Noble Gas =

CF X

R X

10.2 C1/sec Iodine w/

Safeguards OPERABLE CF X

1.0 X

0.11

=

Ci/sec Iodine w/

NO Safeguards OPERABLE CF X

1.0 X

0.63

=

NOTE:

For Iodines (R) shall equal 1.0 f.e., no decay credit allowed.

8.4.7 If CHRRM and effluent monitors are inoperable, a default value for release rate should be used.

The default values should be selected i

from Table 4.

If a default value is used record this fact by writing " Default Value" after the entry in Table 1.

8.4.8 In Column IGl of Table 1 record for each distance listed (1, 2, 5, and 10 miles) the calculated sum total values of noble gas release i

rate (Column D) and iodine release rate (Column F).

NOTE:

If the program for the TRS-80 Model III computer is

('

available, Steps 8.4.9 through 8.4.13 will be available on computer output and need not be done manually.

b 8.4.9 A series of thyroid and whole body dose rate tables are provided as Tables 5 to 11.

For each combination of stability and wind speed group, the thyroid and whole body dose rate (mrem / hour) for a one C1/sec release rate is pre-calculated for downwind distances along the plume centerline.

Select the proper table based on the stability and wind speed group noted on Table 1.

Input the values listed from the appropriate tables for the 1, 2, 5 and 10 mile distances under Coltann H of Table 1 for the corresponding distances.

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3/8/82 EMERGENCY PROCEDURE 20126, PAGE 8 0FF-SITE DOSE CALCULATIONS

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8.4.10 For each distance; 1, 2, 5, and 10 miles, detemine the whole body dose rate and thyroid dose rate by multiplying the corresponding value from Column G times the value in Column H of Table 1.

Record l

the results in Column I.

8.4.11 Enter in Column J the duration (nomally two hours) for this estimated dose rate at 1, 2, 5 and 10 miles.

3.4.12 Enter product of Column I times Column J (dose) into Table 2 in the wind direction row closest in value to the wind direction recorded in Table 1.

(

8.4.13 In order to account for uncertainty in wind direction measurement l

and spatial variation in wind direction, the data from step 8.4.12 should also be entered in the two adjacent sectors. All other sector / distance blocks are asstrned to have zero dose.

8.5 The Emergency Coordinator or his designee shall monitor release rates and meteorological conditions to detemine how frequently to update the dose rate estimates. Dose rate estimates shall be updated if any of the following averages change by the amounts indicated below, over a period not to exceed 30 minutes:

8.5.1 It is detemined that releases of radioactivity have been teminated.

8.5.2 Release rates increase by more than 25%.

8.5.3 Wind speed decreases by two classes or more (e.g. 9-18 mph to 2-4 mph).

8.5.4 Atmospheric stability becomes more stable by two classes or more (e.g., stability D to F).

8.5.5 Wind direction changes by more than 22.5' (i.e., plume centerline is more than one sector away from prior location).

L NOTE:

In any case, the estimates shall be revised at least hourly I

(

for the first 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months after the accident unless it is l

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detemined that releases of radioactivity have been teminated.

i l

8.6 The Emergency Coordinator shall ensure that thyroid and whole body dose rates are calculated and cumulative thyroid and whole body doses are updated as stated in 8.5 using the following method:

8.6.1 Complete the " Dose Projection Worksheet" (Table 1) as described under Sections 8.3 or 8.4, when available, computer output estimates of whole body and thyroid dose rates may be substituted for the manual calculation of these values.

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_ a 3,g 3/8/82 EMERGENCY PROCEDURE 20126, PAGE 9 0FF-SITE DOSE CALCULATIONS 1

i i

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8.6.2 Update the " Cumulative Dose Distribution Worksheet" (Table 2) by adding the thyroid and whole body dose determined from 8.6.1 for each applicable sector / distance effected block to the integrated dose from event initiation to J'a present, when available, computer output estimates of whole body and thyroid integrated doses may be substituted for the manual calculations.

Integrated doses for l

sector / distance blocks with zero estimated dose for the current hour remain unchanged.

NOTE:

If a change, as defined in Section 8.5, has occurred in less than an hour, prorate the previous hours calculation and adjust the integrated dosa estimate, accorcingly.

8.6.3 Projections of doses and dose rates should be made on the basis that the most recently estimated dose rates and their distribution will persist for two hours. Projecting dose rates for periods other than two hours should be made on an ad hoc basis using best available data on release rate estimates and subsequent meteorological conditions.

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L ' ' :: a:u.:mm.w....=. g2;;g;;.,_.:g:wwb 3

3/8/82 EMERGENCY PROCEDURE 20126, PAGE 10 0FF-SITE DOSE CALCULATIONS 4

i TABLE 1

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DOSE PROJECTION WORKSHEET a

(Sheet 1 of 2) t Date of Emergency:

Time of Emergency:

Time Period for which Dose Projection is applicable:

To METEOROLOGICAL DATA (Use 15 minute averages)'

TEN METER TOWER SOUTH DADE TOWER RECORDER PEN RECORDER PEN CHANNEL COLOR FUNCTION GANNEL COLOR FUNCTION Primary Back-up A

Red Wind Speed mph D

Red Wind Speed mph Primary Wind Back-up Wind B

Black Direction degrees E

Bl ack Direction degrees j

Back-up Stability Sigma Theta Primary (Instantaneous Stability

('

Stability Class

_ degrees F

Blue Delta T

'F C

Bl ue Valueonly)

(Table 3) 50 mete.

CASE I - EFFLUENT MONITORS AVAILABLE:

i J

A B

C D

E F

VENTILATION Iodine Iodine Monitor (Ci/sec/ cpm).

FLOW Noble Gas Release Release Release Reading Calibration CORRECTION Release Rate Rate Rate Point (com)

Constant FACTOR (Ci/sec)

Factor (Ci/sec)

Plant R-14 2.8 X 10-7

(

Vent NMC 1.7 X 10-5 Unit 3 SFP Exh. NMC 4.9 X 10-6 Unit 3 Air Ejector (R-15) 3.5 X 10-10 Unit 4 Air Ejector (R-15) 3.7 X 10-10 SUM TOTAL s-m m

m e

-w awedu.uk '

wMr

~=w mm._w.w -

www-3/18/82 EMERGENCY PROCEDURE 20126, PAGE 11 0FF-SITE DOSE CALCULATIONS

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TABLE 1 (Sheet 2 of 2)

DOSE PROJECTION WORKSHEET CASE II:

Actual measurements of release rates available from Nuclear Chemistry Department. Calculations perfomed as per 18.31 and results entered and circled in the corrected Ci/Sec coltann for Case I above for applicable release pathway for Noble Gas or Iodine.

('CASEIII:

Effluent Monitors Out of Consnission and a LOCA has occurred.

Calculate Release Rates from Containment High Range Radiation Monitors:

From Figure 1 From Figure 2 Release Core Fraction Rates Airborne (CF)

"R" Factor X Conversion Factor =

(Ci/Sec)

Highest CHRRM Reading (R/hr:

I 10.2

' Noble Gas Hours since Reactor Trio:

l 1.0 0.11 with Safeauards ' APPLICABLE Hour line IODINE Based On:

1.0 0.63 w/o Safeouards G

H

I

J Total Release l

Values from Dose Calculated Dose Rates l

Distance (Ci/sec)

Rate Tables (5-11)

(Multiply G x H)

DURATION (Miles)

[ mrem /hr oer ICi/sec]

[ mrem /hr]

(hour)

Noble Gasi Iodine Whole Body l Thyroid Whole Body l Thyroid **

1 l

l 2

1

(

5 1

?

I i

10 I

Completed by:

Date Time Refer to Table 12 to determine appropriate emergency classification.

Adult Thyroid Dose Comitment - the accumulated dose lthyroidl burden to an adult from inhalation of radioiodine for one hour duration.

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3/18/82 EMERGENCY PROCEDURE 20126. PAGE 12 0FF-SITE DOSE CALCULATIONS l

TABLE 2 CUMULATIVE DOSE DISTRIBUTION WORKSHEET Time release assuned to occur:

Time through which this distribution applies:

Whole Body Dose (mrem)

Thyroid Dose (mrem)

Wind Downwind Downwind Distance (miles)

Downwind Distance (miles)

(..

Direction Direction Sector 1

2 5

10 1

2 5

10 (As Read) 180 N

(A)

NNE 202.5 (B) i 225 I

NE (C) 247.5 ENE (0) 270 i

E (E)

I ESE (F) 292.5 315 SE (G) 337.C SSE i

(H) 000 1

S (J)

I I

i 022.5 SSW i

(K) 045 1

SW I

(L) 1

(

067.5 i

WSW (M) 090 W

(N) 112.5 WNW l

(P) i 135 I

NW I

(0)

NNW (R) 157.5

Adult Thyroid Dose Commitment - the accumulated dose Ithyroidl burden to an adult from inhalation of radiciodine for the calculated duration.

Completed by Date Time C

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i;.th a u c-

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3/8/82 EMERGENCY PROCEDURE 20126, PAGE 13 0FF-SITE DOSE CALCULATIONS

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TABLE 3_

PRIMARY SYSTEM CLASSIFICATION OF ATMOSPHERIC STABILITY

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BY TEMPERATURE CHANGE IN HEIGHT Stability Pasquill Temperature Change Cl assification Categories with Height (*F)

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Extremely unstable A

AT < -1.6 Moderately unstable B

-1.6 1 AT < -1.4 Slightly unstable C

-1.4 1 AT < -1.3 Neutral D

-1.3 1 AT < -0.4 Slightly stable E

-0.4 1 AT < 1.3 Moderately stable F

1.3 1 AT < 3.4 Extremely stable G

3.4

(

-< AT BACXUP SYSTEM CLASSIFICATION OF ATMOSPHERIC STABILITY BY USING STANDARD DEVIATION OF WIND DIRECTION (SIGMA THETA)

Stability Pasquill Sigma Theta Classification Categories Range (Degrees)

Extremely unstable A

22.5 or more Moderately unstable B

17.5 to 22.4 Slightly unstable C

12.5 to 17.4 Neutral D

7.5 to 12.4 Slightly stable E

3.8 to 7.4 Moderately stable F

2.1 to 3.7 Extremely stable G

2.0 or less

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n =w==n u=221.s.=sswn

~% w=? ~ ~ v:+6: xi 3/8/82 EMERGENCY PROCEDURE 20126. PAGE 14 1

0FF-SITE 005: CALCULATIONS 1

j I

l' TABLE 4

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e DEFAULT VALUES FOR RADIOACTIVITY RELEASE RATES

Accident Type Default Value Loss of Coolant 0-2 hours after reactor trip 4

(if effluent ana Noble gases

_ Iodine containment high 10.2 0.11 range monitors are not functional) 2-8 hours after reactor trip Noble gases Iodine 5.4 0.06 more than 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months after reactor trip Noble gases Iodine 1.6 0.02 Steam Generator Use this value until the affected Tube Rupture steam generator is isolated Noble gases Iodine 3.7 0.0022 Fuel Handling Use this value for 15 minutes only 0.93 x number 0.003 x number of damaged of damaged fuel bundles fuel bundles

All values in curies /sec l

l l

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m..-

A

.F O

A

./ A A

O S

l 3/8/82

?

EMERGENCY PROCEDURE 20126e PAGE 15

.i 3

0FF-SITE DOSE CALCULATIONS l

TABLE 5 i

n I

WHOLE DODY OOSE FOR STABIt.lTV CLA$b A - IMAEM/HR). S ASEO ON A l.0 C1/SEC ENIS$3ON R AIE

- I vlA3 sPreo onwwvluri otsvawCE - ultrs J.. *.

C** ~ * " " * *.". 7.;L I.'. #*J %..C ?...

IMPHI 1.

2.

3.

4.

b.

6.

7.

8.

9.

30.

II.

12.

L;.

3.0 SE 0 8 '.I '.'0 5E-O l Q*.*05E-o llL 3.0 SE-O li 2.0SEfe'l'I3'.0 SE

0l*

5 3

l 0- 2 1.04Ee00 8.66EE05 3'.92C-08 "3.0SE-01 3.05E-05 3.'OSE-O l' 8

[.

2 -4 3 53C-01

.1 89E-08 1.35E-01 1.0ZE-01 8.02C-08 8 02E-31 1 02E-01 t.02E.-Ot..,3.e2C-08_

..-s..

.-r.-

l (f

1 02E-Jt.

1 0 25-0 8.,.1,.0 2 E-01 4-9 8.76E-05

9. 4 3 E-0 2 6.54E-02 s.00E-02 S.0aE-02

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i 4

3/18/82 EMERGENCY PROCEDURE 20126. PAGE 22 0FF-SITE DOSE CALCULATIONS 1

TABLE 12 ACTION GUIDELINES

,For the Containment High Range Radiation Monitor (CHRRM)

CHRRM 1 1.3 E 5R/hr General Emergency CHRRM l1l1.3E4R/hr Site.8rea Emergency CHRRM i 10 R/hr Negligible For Noble Gas Release Rates (i.e., Ci/sec from the Site):

. Gas. Rel. Rate

< 0.067 C1/sec Within Technical Specification - No Action

> 0.067 but less Unusual Event - Tecn. Spec. possibly exceeded Gas. Rel. Rate than 0.67 Ci/sec See ETS-B and take steps to reduce rate

(

Gas. Rel. Rate

)_ 0.67 Ci/sec ALERT CLASSIFICATION For Dose Rate Results:

OR DURATION OR DURATION CASE INSTANTANEOUS FOR 2 MINUTES OF:

FOR 1/2 HOUR OF:

SITUATION If Whole Body

> 500

> 50 Site Area Idem /hr Emergency l

at 1 mile is:'

N/A mrem /hr l

If Whole Body General at 1 mile is:

>1000 mrem /hr N/A N/A Emergency

> 2500

> 250 Site Area l

If i Thyroidl l

at 1 mile is:

N/A mrem /hr mrem /hr Emergency f (

For Cumulative Thyroid Integrated Cose:

(

If Thyroid Integrated i

Dose at 1 Mile Using

> 5000 mrem then General Emergency Actual Met Data l

f

i 1u

.. w h a

.:.._ E,._.~..

4.1.-,_

w_ cm-i-.Eu,.ida d

3/8/82 EMERGENCY PROCEDURE 20126, PAGE 23 0FF-SITE DOSE CALCULATIONS APPENDIX A BACKUP METEOROLOGY WORKSHEET In the event data is unavailable from the meteorological strip chart recorder, use the following procedure A.

GATHER DATA 1.

Date:

Time:

2.

Phone Homestead AFB Weather 9-257-7545 (alternately, use red hot line to Homestead AFB, ask to be connected to weather station).

g' 3.

Copy current weather:

) Standard )

Time of observation:

Eastern ) Daylight ) Time Wind Direction:

Degrees Wind Speed:

Knots i

Sky Condition:

Clear or Scattered l

Broken Overcast

(!.

If broken or over-cast copy ceiling height:

Ft.

4.

If daytime (1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months after sunrise to 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months before sunset) go to Section C l

(nextpage). NOTE:

See Table I for sunrise / sunset times.

l l

C.

NIGHTIME CALCULATIONS 1.

Determine Solar Radiation Characteristics:

l i

Sky Condition Ceiling Radiation l

l OVERCAS T I -----------)l < 7,000 ' l ----ye s-------)l N I L l l

I no l

(-

+

j l

BROKEN l -------------------------------------)j W E A K L O S S l l

l l CLEAR OR SCATTERED l---------------------------3l STRONG LOSS l l

2.

Choose Stability Category (D through G)

Solar Wind Speed (knots)

Radiation 0,1 2,3 4,5 6

7 8,9 10 11

>11 Ni?

D D

D Weak Loss F

F E

E D

D D

l

{-

Strong Loss G

G F

F E

E E

D D

3.

Go to Section D w

w - w.

w :,_,x.

n.._.

. w,v,.;. a, w ;; u. y,. _ x N

_...w -

I EMERGENCY PROCEDURE 20126, PAGE 24

~

0FF-SITE DOSE CALCULATIONS h.

APDENDIX A (cont'd) i e

i BACKUP METEOROLOGY WORKSHEET TURKEY POINT PLANT

.C. DAYTIME CALCULATIONS:

1.

Determine solar altitude (angle of sun above horizon) using Figure 1 A 2.

Determine Solar Radiation Characteristics:

Solar Altitude

(..

Sky Condition Ceiling (see chart below)

Radiation l OVERCAST l-----)] < 7,000' l --------ye s ---------------3l N I L l t no l<16,n00' l ---n o---)l < 3 5' l ----y e s --M W E AK l

yes no l <60* l----yes--51 SLIGHT l no no l <7,000' l lMODERATEl yes l<60*l----yes--tl WEAK i

lBROKENl------N<16,000' l l SLIGHT l no C*.

CLEAR OR

yl<15 l----yes--31 WEAK l

SCATTERED i no l <35" l----yes--M SLIGHT l t no i <60* l----yes---)l MODERATE l l STRONG l

[

3.

Choose Stability Category (A through D) l Solar Wind Speed (Knots)

Radiation 0,1 2,3 4,5 6

7 8,9 10 11

>11 l

l Strong A

A A

B B

B C

C C

l Moderate A

B B

C C

C D

Slight B

B C

C C

C D

D D

I Weak C

C D

D D

Nil 0

D D

D.

INPUT TO DOSE CALCULATION SYSTEM (TABLE 1) l 1.

Wind Direction (From Step A.3) degrees t

2.

Wind Speed 1.15 x (Knots) =

mph 3.

Atmospheric Stability (Circle One):

(From Step B.2 or C.3)

A B

C.

D E

F G

i 6

p.

p

.A A

9 h

TABLE 1 SUNRISE AND SUNSET AT MIAMI, FLORIDA No.1068 EASTERN STANDARD TIME

~

FAN.

FED.

MAR.

APR.

1.t AY '

IUNE IULY AUG.

SEPL OCT.

NOV.

DEC.

D,M ri. Le Es Ses ri, Sel

' A14 ' See Rise,'

Ble.

Sci Rt. See Ri..

&t E.

Sri Rt Set R.

See Rin.

Set Rin.

Set 1

A M.

Pil.

A.M.

P.M.

A M.

P.M.

A.M. ' P.M.

A.M.

P.M.

A 11.

P.M.

A M.

P.M.

A.M.

P.M.

All.

P.M.

A.M.

P.M.

A.H.

P.M.

I 708 541 705 604 644 622.612-637 5 44 6 52 5 29 7 08 533 716 5 47 7 of 6 01 6 40 613 608 629 539 650 529' 1

2 708 542 704 605

64) 6 23.61106 38 5 43 6 52 5 29 7 OS 5 33 71A 547 706 601 639 613 6 of 630 539 651 529.

3 708 543 704 606 642 623

'610;.*630 '543 653 529 709 533 716 545 706 602 638 6 14 6 06 6 30 4 3a '652 529 i

4 7 OS 543 703607 641 624 1609 639 542 653 529 709 5 34 7 16 548.705 6 of 6 37 6 14 6 04 r, Ta 5.37 652 529

.[

a 5

7 05 5 44 703 607 640 625 6 0846 39 541 4 54 5 29 7 to 534 716 549 704 602 636 615 603 632 537 6.53 5 30 '.y 6

7 09 5 45 702"608 6 19 6 25 607I640 541 654 5 29 7 10 '535 716 5 49 7 04 603 635 615 602 6 32 5 36 6 5'.

5' 30. *.i~

7 7 09 5 45 702 609 6 39 6 26

'& 06'6 40 540 655 529 710 535 716 550 703 603 634 615 601 633 536 654 530 m

8 1 C9 5 46 701 609 6 38 6 26

605 641: 539i655 1 29 7 11 535 716 550 702 6 04 6 33 616 600 6 34 5'35 655 530".*:

m*

9 7 09 5 47 700 610 636 627 604 641 5 39, 6 Sty 529 711 5.36 716 551 70' 604 632 616 559 6 34 5 35 6 56 5 30

'1 o"

n 10 709 548 700 611 635 627

'E 03 6 41

.5 38 r 6 Si 529 712 5.36 716 551:70 6 04 6 31 6 17 5 50 635 534 6 56 5 31;f, '} $$

b, 11 7 09 5 48 651 611 6 34 $ 28 'i.02 642 537 657 529 712 537 715 5 52 'I 00 6'05 630.6 17 5 57 636 5'34 657 53}

b$

12 7 09 5 49 658 612 633 678 '601 642.537.658 529 712 537 715 552'659 605.628 6 18 5 56.636 533 6 58 53l' Q*

13 709 550 658 613 6 32 29 600 643 4

'.536 658 5 29 7 13 538 715 553'658 606 627 618 555 37 5 33 6 58 5 31 ' V.

mo 14 7 09 5 51 6 57 6 13 6 31 29

559 64)

536 65 5 9 711 538 715 553.657 606.'625 5 JV? g 6 59 ;5 3a *...o$

6 26 :6 19 5 54 38 5.32 15 709 551 656 614 630 630,558!644 535 65 5 9 7 13 538 714 553 656 6 06 619 55) 638 532 7 00 7 00 5 34 g)g 16 7 09 5 52 655 615 629 630 1557 644

.535 700 529 714 '$ 39 714 554'656 6 of 6 24 6 20 13 52

& 39. 5'32 mg 17 7 09 5 53 655 615 628 630 556 645 5 34 7 00.529.714 539 714 554 655 607 623 6 20 5 52 640 531 701 5.33*

n=

18. 7 09 5 54 654 616 627 631 555'645 8534 701 529 714 5 40 7 14 555 654 6 OS 6 22 621 551 641 531 7 01 5 Ji.; -

pm 19 7 09 5 55 653 617 626 631 5 54 T6 46 533 701 5 29 7 14 540 713 555 653 608 621 621 550 641531 702 534 n to f

s 20 709 555 652 617 625 632

.5 5316 46 533 702 530 715 5 41 7.13.556.652 608 620 622 549 642.530 7 03' 5,34'.. lES i

702 5

]

21 703 556 651 618 624 632 15' 53Y6 4 7'S32 702 530 7'15 541 112

'556 651 109 619 6 23 5 48 643 530 35'

[ $$

k' 22 7 09 57 651 618 623 633

$ 52 6 47 5 32 7 03.530 715 542 712 557'650

'609'617 6 23 5 47 4 44 5 30 7 03 5 35. ; U

- * =

23 7 03 58 650 619 622 633 51 648 5 32 7 03 530 715 542 712 557'649 610 616 6 24 5 46 644'530 7 04 5 3 6 *.

So 24 704 550 6 49 6 20 6 21 6 34 50 648 531 704 531 715 543 711 557648 610 615 6 24 5 45

.645 530 7 04 5 36'.. :

m>

i

?

25 7 0F 5 59 648 620 620 634 549 649 531'704 531 7.16 543 711 558.647 6 to 614 625 545 646 530 705 537' S

26 707 600 647 621 619 635 548 649 -531 705 531 716 544.710 558 646 611 613 625 544 6 47 ~ 5 29 705 53[

~

ro 27 7 0F 6 01 645 621 618 635 547 650 530 705 31 716 544.710 5 59 45 611 612 626 543

'6 47 29 106 538 l

29 105 601 645 622

&17 636 547 650.530 706 32 716 545 709 5 59 44 612 611 627 54 6 48 29 706 539 f.'

I' 29 706 602 645 622 616 636 546 651

.530 706 532 716 545 709 600 643 612 610 6 27 54 6 49 5 29 706 539..i f; ;

30 706 603 614 636 is 45 6 51 5 30 7 07 532 716 5 46 7 08 600 642 612 609 6 28 5 41 649 529 707 540 31 705 604

6. 13 6. 37 529 707 g

5 46 7 of 500 641 6 23 5 40

. },

7 of 5 40 F

p b Add one hour fer Daylight So ing Tih if hnd when in use.

. ',' j i certify that the above dato oro the result of an ecurate and tru' coa.~..

s

!r

, el.:

N pulation by sho Noutical Altnanne Offico. Unised Statee Noval Observatory;.

, 'I 'tyf[' ;'!!,5

- j ogency charged by Federal Stotute (') Slot. L 374. 375) with the dulyT

{.'

f mokir.g such computations and publishing the resulte.7 f'

.; 'I ; N

.3 i

e./

g h

'[

f E. V7. WOOI.ARD.P *

' N.'

N

'G, M

l' Director floulicol Almonoc k.k.

2

,p' R

f.

8 8

U. S. Novol Observotory il

j. ;p f.:. ai

-Q.!*

OS t

C. G. CllRISTIE

's e

Captain. USN

.i '

o l'

$uperinforulent E.

b5 s

- U S. Unwn! Observatory.

S* 7.

k L.

a

.___.._.___ra

_ w _m. w.. m._....

,_,. __ w

.A p

1 e

3/8/82 EMERGENCY PROCEDURE 20126, PAGE 26 i

0FF-SITE DOSE CALCULATIONS i

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4 3/8/82 j

EMERGENCY PROCEDURE 20126, PAGE 27 0FF-SITE COSE CALCULATIONS l

(;

~

FIGURE 1 CORE FRACTION AIR 80RNE

C-m il l

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3/8/82 EMERGENCY PROCEDURE 20126, PAGE 28 0FF-SITE DOSE CALCULATIONS

( '-

j NOBLE GAS REDUCTION FACTOR J

Figure 2.

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1.0 0.9 Note: Use the value of R corresponding to the 0.8 beginning of the calculation period.

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- - - - -

ML20062F101

Contents

Text

1.0 Title

2.1 Approval

3.0 Scope

3.1 Purpose

3.2 Discussion

3.3 Authority

5.0 Responsibilities

References:

8.0 Instructions

=

=

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ML20062F101

Text

1.0 Title

2.1 Approval

3.0 Scope

3.1 Purpose

3.2 Discussion

3.3 Authority

5.0 Responsibilities

References:

8.0 Instructions

=

=

Navigation menu

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