ML18092A632

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Requests That Emergency Plan Procedure EP IV-114 Re Backup Method of Dose Calculation Be Removed from Procedures Manual
ML18092A632
Person / Time
Site: Salem  PSEG icon.png
Issue date: 06/17/1985
From:
Public Service Enterprise Group
To:
NRC OFFICE OF ADMINISTRATION (ADM)
References
NUDOCS 8506170515
Download: ML18092A632 (23)
v • d • e


Text

--- ----*\\ --

\\ ' \\

MANUAL NO.

EMERGENCY PLAN REVISION REQUEST FORM FIGURE 6-2.1 SALEM GENERATING STATION U.S. Nuclear Regulatory Comm.

Document Control Desk Washington, DC 20555

-I tJo.102.

\\.__ ____ ----------*- ---------------

EP VI-2 Figure 6-2.1 REVISION NO.

85-05 TO: D

~

D D

PLAN PROCEDURES MANUAL EVENT CLASSIFICATION GUIDE TRAINING MANUAL REVISE YOUR COPY OF THE PLAN BY INSERTING THE ATTACHED SECTION(S) IN THE APPROPRIATE PLACE, AS SPECIFIED BELOW, AND DESTROYING THE OLD SECTION(S).

REVISIONS ARE IDENTIFIED BY A VERTICAL LINE IN THE RIGHT MARGIN.

II

. Please Rem:>ve EP IV-114 EP IV-114 was a back-up method of dose calculation which has since becone outdated. *A preferred back-up.rrethod has been incorporated in EP IV-113.

NOTE:

r-- aso617o5t 5 e5o6 0

0i 7 27

_ 2 _____ 1

~DR ADOCK 050 *PDR

\\

COMPLETE THE FOLLOWING INFORMATION AND RETURN THIS SHEET TO THE NUCLEAR EMERGENCY PLANNING ENGINEER, P.O. BOX 236, MANUAL NO.

HANCOCKS BRIDGE, NEW JERSEY 08038.

A DATE THIS CHANGE ENTERED ~~-it~{)-~~~........-'~~

DATE THIS INFORMATION REVIEWED WITH SUBORDINATES:

SIGNATURE:

SGS 1 of 1 Rev. 2

~

.~ -~---*- *-**- --... *-*., ___. --* -'--** -.-... *... :.* - - '. **- :.. : ----*. -- -..

EP IV-ll4--

- EMERGENCY PROCEDURE

'* EP* IV-114 "

c"qMPUTERIZED DOSE CALCULATIONS ON PROGRAMMABLE CALCULATOR ( TI-59)

. ACTION LEVEL

. This procedure may be used.in lieu of the.ma:nuai *dose calculation

_ procedur.~s.

RESPONSIBLE-INDIVIDUAL

'\\

An-individual familiar with the Texas Instruments TI-59 programmable_ car'c.ula.tor (normally a Shift RPT or EOF assessment -

team member). --

ACTION STATEMENTS PART A DOSE

  • CALCULATIONS.\\FOR PRE:...SELECTED 'LOCATIONS*_ -

- ( MEA, LPZ,. EPZ, OR 5."s. 10, AND 13 Km LOCATIONS) 1-.

  • Conta-ct the.Control Room (or,\\T.st*) and obtain the* necessary
  • ~

informafio~. for the respective \\1nit~

This -information can be

\\

. \\

compiled *onto the Dose Assessment';_Data sheet. (Attachment 3,

. '~

IV-1.l2) ~-

W,IND SPEED-* (mph) -

. WIND DIRECTION.Jdegrees,-_-from)

. DELTA.TEMPERATURE.(dT, 0 ~-)--

TIME FROM START OF INCIDENT (hrs)

. NOBLE GAS -MON.ITOR ( cpm) - Unit 1 ( 1R-l'2A) ; -**

\\

Unit 2. ( 2R-41C)-.

HIGH*RANGE MONITOR (mR/hr) -

R:...43

-- INITIAL._. READING FROM IOD_INE MONITOR* ( cpm) \\"7 Unit-* 1 ( 1R-i2B) ;: -On it 2 ( 2R-41B) *

.. \\...

FINAL',-(OR MOST-RECENT.). READING FROM IODINE. \\\\

\\

MONITOR.* ( cpm) -

Unit. l. ( 1R-12B); Unit 2 * ( 2R~4l~)

TIME BETWEEN READINGS ON.IDOINE-MONITOR (minutes) -

Uniti (1R-l2B); unit 2- (2R-41B)

  • 1 of 22

'-. '\\..

'\\

Rev. o -
    • ~---*- -------* *- *****;-- *--:---- - **-*-,.-.

-- ~

EP IV-114 PART A (continued)

2. Prepare programmable calculator TI-59 for use:

a)_Lock TI-59 calculator securely into printer cradle (PC-100).

b) Turn printer power on,-then turn calculator power on.

c) Select*.the Salem 1. or' 2. (appropriat;:~) MET""'.'RMS-DOSE

.cal<?uiation *cards>ctwo cards:_ 'th~ee ~ides) for. t'he

.distances of interest (i.e., MEA, LPZ, EPZ or S.5, *1013 Km).

d) Prior to card reading,*press l Op (2nd tier>" 17. (The number 719.29. sh~uld. appear on display~).. Then press CLR.

Press CLR before reading any card side.*

e) *Read-all appropriate program card sides (cards are to be

inserte~ into slot:on right hand siae of TI~59). This*
  • .. program.is.contained on three* (3) sides'of two (2)* cards. *

.. ~f the calcul.ator d_isplay blinks following the attempt to read the *cards, _the card* has not been. read.*.** Press CLR *and

  • reinsert this card side until number designated Of: card side is shown on display without* flashing~-
  • f) After reading all appropriate program cards, ini t.ialize calculator by. pressing 2nd A. *
3. RUN DATA ON PROGRAM {see example - Attachment.1).

a) Enter wind direction from which the.wind.blows<(degrees*

    • . AZ:):MUTH),... then press A *.

. NOTE The d.irection the wind blows towards...

will. al~o ~utomatically printout.

  • ** 2 of' 22

'o **'** ~*T*

    • T** ***--**-* **,****~

b) c)

'd.}

PART A (continued}

Enter the wind speed (mph} then press R/S.

Enter station delta temperature (.AT} ' then press Select type. of release, Press 0 for ground level 1 for elevated release (plant vent}, then press NOTE The calculator will now pause for 5 to 10 seconds. and then print tnree numbers wf th exponents representing the X/Q.values for the three~p_rogram distances (i.e., MEA, LPZ, and EPZ)

  • EP IV-114 R/S.
release, R/S~

e).*Following this* calculato,r printout,,. enter the plant vent

.

  • flow rate in cubic* feet :per mimite. ( cfm), then press B *. *
  • (Default value for flow rate is *125, 000 cfm). *
f} S~lect ~ype.of data t6 be introduced:

for low range vent.

mOni tors or* 14'.SAR. Design Basis. Accident ( DBA}, enter *.Q.; for high range.monitors, press 1, then pressRis.

or g) If O (zero} f~ select~d above ~nter the~appropri~te Noble

  • .. Gas Monitor reading (cpm}, or DBA cpm equivalent* then press R/S; if 1 (one}* is selected abov~,. enfer InR/hr reading from R-43 as -actually.read. on the*.instrument, then press R/S ~

..

  • Af.ter the.actua.l.R-43 value is introduced then enter the.*.

R04*J. concei)trati6n conversion: factor from Attchment' 4 ahd,

. pre~'s R/S. c

. This. entry.' is 'only requ'i~ed' if the hi.gh. range choice' *is ma:de **. DBA* {design basis accident) *Classes and cpni

. equivalents are given"irt Attachment 5.

3 of 22:

Rev.: O*

- _______ \\ ___ _: __.. ________.:_:. ______ ~_: _

  • '* "'"-- -**---* -~-*---:-*--**t

. - \\

EP IV-114 PART A --(continued) h) Enter the initial iodine monitor reading (cpm), or Q for DBA cpmequivalent, then press R/S.

  • i) Enter the latest iodine monitor reading_(cpm), then press R/S.

If off.;..scale,

  • use DBA -default values *- these defaults.*

can be used w-ith R...:43 readi~g~ (see A.ttachment.5 for OBA

~efau~t values)~

j)'Enter th~ ~m~unt of time.lapse (delta time) between the iodine monitor~reading time (to) and latest reading time (t1) in minutes;. -then press R/S.

NOTE For DBA default or zero readings use*one

( 1) _minute.

_ :k) After*calculator finishes printing (eight lines of numbers

. '-_:in' experiential form.taking 10 to 20 seconds)' enter the.

appropriate Noble Gas nose-.Ra te Conversiion Factor ( DRCF).:.

  • 'see Attachment -2 for decay ti~e versus. fac~or_*graphic.
  • After.enter.ing this: factor, press C.

NOTE The e'ight* lin_es of output :represent Noble -

das and.iodine source terms and.calculated
  • concen_trations (see Attachment 1).

,'. l )_ Enter th~~ appropriate' Iodine* Dose Rate Conversfon;.Factor*

.Cs;ee :Attachment 3)~.* :then-press: R/S~

4 of 22 Rev. 0' *

-- --*- ----,.-----:-**-**"'--- -*-**------* -~-~--- -*-*-:* --*-----?*--. -----~.--*.::..

EP IV-114 PART.A (continued) m) *This completes the *dose calculation program,** (e.g., the dose. rates for whole body and thyroid are printed otit for the MEA, LPZ,*and EPZ).

To reinitialize calculator, ~reis CLR, then press 2nd A~. To sign off, pr_ess CLR and then turn off 6alctilator,fi~st*and then th~ printer.:_:

NOTE

1. Because program enters only.one decay time fpr the three.distances from plant release, _only one of the.distances is deca:i corrected-for the proper transient tiine using Attachments 2 and 3 for the*Noble* Gas and iodine dose conversion factors.

For more accurate transient time input on other_distances,:rerun program with transient time*for desired distance.:-

2-. Be sure t,o partition (3 Qp l 7r' before *reading cards.

3-~ Be sure that all card sides are read properly.

4: -Be sure to initialize calculator (2nd A) before data.

-entry.

5-. ALL *KEYBOARD ENTRIES. REQUIRE: CLOSING STATEMENT:

THIS

-S'I'ATEMEr:j°TIS R/S for ali entr.ies 0 except wind' direction

- (press A), plant vent flow rate (follow:_with. s*);. and *the

.N~bl~- Gas.Dose Rate Conversion Factor. (then press C) *. -

. 5 of 22 Rev.'o.. * *

---~~

~-,--*--_-,........

ATTACHMENT 1 EXAMPLE PROBLEM FOR TI-59 CALCULATIONS EXAMPLE EP IV-114 GIVEN:* a) ~eteorological data is as follows:

wind direction (from) = 230° at 300' Elevation wind speed = 1 mph T = 0.5°C b) Unit 1 Containment monitor 1Rl2B reads 1500 cpm now.

Five minute ago, th.is monitor was reading 50 cpm.

c) Plant vent flow rate = 68,000 cfm d) Monitor 1R-12A reads 500,000 cpm d) Reactor has been shut down for two hours*

SOLVE:

a) What are the whole *body and thyroid dose rates for the MEA, LPZ, EPZ distances of 5.5, 10 and 13 kilometers.

ANSWERS:

(mrem/hr)

DISTANCE WHOLE BODY THYROID*

MEA km 288 0.805 LPZ lOkm 27.8 0.077 EPZ 13km 10.2 0.028 6 of 22 Rev. O

INPUT Explanation

  • 3a. wind directl.on Cfrom) 3b. wind speed 3c. d temperature
  • 3d *. elevated *release.

~e. station vent flow.

3f. low range monitor.

choice 3g. noble gas monitor 3h. initial iodine monitor. reading

'3 i. current iodine monitor* reading

. '3_j. delta time.between.

  • iodine readings 3k. dose.rat~ conv.

factor-Noble Gas (NG) 31;- dose rate conv.

  • factor-iodine Press A

R/S R/S

  • R/S.*.

B' R/S R/S

. R/S R/S Ris c

. EP IV-114

-PRINTOUT FOR EXAMPLE PROBLEM* (TI-S9)

TI-S9 PRINTOUT 230.

so.

-o.s

l.

9.4398712-0S 9.0819613-06 3.33303Sl-06 68000.

32096000.

o.
  • s.os
  • so.

lSOO.

s.

.. 7.638848 06

3. 099Sl07 '00.*

7.2109741 02*

6.937S722 01.

2.S460S48.0l 2.92S8982-0.4

  • 2.8149637-0S l.03~0778-0S
  • o.4 27SO.

'288.438963S'

27. 7S02889.

10.18421933

.*.*

  • 8046220004.

.* 077 4llSOOS*

  • *. Oi84096394 *
7. of 22 OUTPUT Wind direction (towards)

HEA X/Q

.. LPZ X/Q

vent flow

  • .. Noble Gas. Source * ~-*

Iodine Source Term NG-MEA cone~

"NG-LPZ *cone.

. NG-EPZ cone.

I-MEAconc.

. I-LPZ-cone.

  • I-EPZ cone.

WB:Dose.Rate*

WB Dose* -.Ra.te.

  • WB Dose *Rate*._

Thyroid S~S Dose*- Rate

_ Thyroid 10*. Dose Rate

  • Thyroid 13_
  • Dose; Ra_te*

UNITS Units

( 0)

( 0)

(mph)

' ( oc)

(sec/m3 J *

(.sec/m3J (sec/m3 J (cfm)

(in cc/se (cpm).

(cpm).

(cpm):

(minutes)

( )JCi/sec.)

~(µCi/sec)

()1Ci/m3 l

. (µCi/m3)

.(JJCi/m3)

.-()1Ci/m3J

. (,11Ci/m3 l.

(JJCi/m3)

(-)

(-)

(mrem/hr)

(mrem/hr).

(mremjhrl *

(mrem/hr):

(mrem/hr.)

(mrem/hrl' Rev.a*

i J. r i

I ! -..

\\

l :

I*

I

  • I.*

l I

l 1

  • CX?.

.Q'

  • ti Pi.

R0 'A*

.I R'

/ u c '

I 0.3

.I.', '

' : 3

-,.. 0.2 1.*

i '

\\

~i

~.*

f..j. "

It. f i..

  • Att 2

' '"'.., ~

A *. Thie fr~ *shutdown to time of release in. hours

=

  • B. 1 T.inle for transport* = *(Desired Distance) I (Wind Speed)

'i

...,r-:---h-r.... 11

  • (

. : mi) I (

  • mph) =

C'~

Total decay tfme' = (Step A) + (St~p B) *

(

  • )+.(

):

=

I I

D.

Correlate the* total decay *.time (hours f()llowing shutdown)*

to the curves to' deteimin'e the dose' conversion factors.

for Noble Gas. *. * *

.r hrl

.. ::o*

(!)

I.*

I I

l I

I.

J I.

I J

0 ~ 0 o"":".. -. ------------"-1-l.o*-.... -. -&....;.;.._-.* -2....!o~

  • . ----'.__--.* -~30*-:.--'----4*0--.. -.. - ___ s_o ___. ___

e..,._o i :

'\\

'.* TOTAL DECAY TIME'.:..*HOURS '

Q:

I

.o

.Hi

. N N.

. o.*

. *3000 j..

A ttachrnent 3 :

' IODIHE DRCF 'FO~LOUJHQ, REACTOR SHUTDOUH asoo

. *BASED OH. EPA-&ao.11 ;..76;.;.001,, -3800. "U' THERltAL AT.. EGUILIBRIUft DRCF 'S: FRO" REG.. GUIDE 1.-1091 *HORftALl_ZED TO 1.-13l C_OHC OF 1* UClif"**3 *

.. ' 1-Tor ~~CF;.89~8 ** ~ c &~~ 0~9ilT ~+Ct,&;a~*'**e,_ ( 0. o~~O~&STU3) *..

aaoo

  • :a?oo E

.....I 86()0 H*-

  • . R-

. *.1 asoo

u :_ -

- ' c ',.,.

-! a.. oo

.. *: 2~00

3.,_,

.* aaoo a100 aooo

+C~~346s£~~**4.*T**4 ).;,.(2.8?57E.:.&*T**s>>

  • *A.
  • T:inie
  • fran 'shutdown to time' =D

=D of release ill hours *

. B.

T.inie. for_ transport. ~. (Desired Di~t~nce)/(Wind B~eed)

. (

mi > I (.

.:. in I?h)

Total decay time ~. (Step A) r Step e: + I I

= ' D

  • correlate. ~h_e _tot.al decay time (hours ***

following shutdown) tO: the curves to *..

determine. the dose conversion.factor--,

    • for Noble 'Gas.

' c.'

. 1soo~---~--~..M......... __ ~----------------,;.;a..----..._~--L-..;....--..11..;....__.-&...._ __..._ __ ~

  • . q
  • _to
  • 20
  • Jo 40
  • so.

. so

. i

    • . i...

.. TOTAL DECAY TIME ~ HOURS J-i~...

.. *. l

,-. I

H C>

0 i-ti N

N 0

f '

  • 55 -

50 R. 35 -

/

.H R

/ 30 u

c I as -

/ c Cao -

. 15 -*

10 5

Attachment &j R-43 CONCENTRATION CONVER~ION FACTOR FOLLOWING SHUTDOWN

-BASED ~H EPA-SaO/l-75-001~ laoo "u THER"AL AT EQUILIBRIU" NOTEa IHGROUTH FRO" PAREHT ISOTOPES HOT INCLUDED

[.I 1*~

Att I

~

. so

.20 30 40 o~.

~__._~~--~~---~--e---~---~~....._~__..__~---~~--~--..._----~----

o:.

I

. f I

. l I

I HOURS FOLLOUIHG SHUTDOUH 50 so

ATTACHMENT 5 EP IV-114 Attachment* s **

DEFAULT VALUES FOR LOW/HIGH PLANT VENT.MONITORS Read.the below.accident. description and determine which case is-

~pplicable.* From.the table select the appropriate release rates

( cpm}.

  • CASE I LOCA A* LOCA assuming* severe -core" damag*e *:... fuel* melting (Regulatory. Guide

. 1. 4** assumptions}** 100 % of Noble Gases and 25 % of the iodines contained in the core are assumed released to the containment.

The containment initially leaks at the maximum design leak rate.

CASE IT LOCA.

Primary cbolaht leaks at a rate fast enough t6 increase th~

temperature of the core.to the :Point where there is damage to the fuel

. rods.

For. this case, it is assumed. that all the gap activity ;(the

  • gases contained between the* fuel and fuel rod} 'is released to the
  • containment.

The containent is assumed. to in.i tially leak at the ma*ximum. design leak. rate.. In this accident, it is.. up to. the Senior Shift Supervisor or Emergency Duty *officer (EDOY to assume. that* there

  • has been no fuel melting.**** If. there is any question, a Case.r LOCA should. be ass urned.
  • CASE III' DECAY TANK RUPTURE

. This proceau:re is* used *only* if _actual radiolog'ical monitoring. equip-.*

merit.is unayailable for release evalliat'iori (monitors out of service,'

read off scale1* etc.}~

CASE IV FUEL HANDLING: ACCIDENT Any activity occuiiing -as*~ resuit-of a fuel'handlin~ ac6ideht is

. normally drawn:*. into the Fuel. Handling Building Ventilation System* and vented to. the.plant verit *for release.".' The process mon'i tors.*are used *

  • to monitor these* r:eleases; *however,. should. these :monitors be out.* of *
  • service or.off scal.e, this* technique Js used-to,evaluate'off-si.te.

dose.

r>

  • . CASE v* STEAM' GENERATOR TUBE( *RUPTURE *
  • The activity reieas'ea during ~:minor tube ruptu.re. can.b~. determined.

using* vent monitors and normal* procedures~ ** This* procedure addresses the* stea,m generator* tube rupture as analyzed**:in the FSAR.* *This.**

a'ccident fs set apart*. *from others. because *Of the *inability* to consult

      • radiation monitors to* determine-the activity :*release* rate. *Therefore, this. is. the _primary procedure to de.termine the: activity release rate

. resulting from a system generator tube.rupture.*

11 of.22

  • Rev *.
  • 0

~-~--*-~-~

,. ~.

EP IV-114.*

EQUIVALENT NOBLE* GAS.*

EQUIVALENT IODINE ACCIDENT CLASS..

RELEASE RATE CPM ACTIVITY INCREASE RATE (CPM/MIN)

Unit 1 Unit 2 Unit 1 Unit 2:

I ( 1) 2.42 -Es

.. 6

4. 34 E..

9.35 E6 9.73 E6 J

II(l) 7.82 E2 L4o E4

1. 45* ES
1. Sl ES III(l) 1.2S ES 2.24 E6*

NO RELEASE NO RELEASE IV(l) 9.9 E4

1. 78 E6
1. 22 E6
1. 27 E6 vc2 >
  • l.42 E4 2~54 ES

.3. 3 E6 3.SO E6

_ proce~ure. *

( 2) Case V is assumed not to be released *through the plant vent so use

. a flow of 125,000 cfm for this calculation.

12 of 22

    • e EPIV-114 PART B DOSE CALCULATIONS BASED ON RELEASE RATE OR FIELD MEASUREMENT (OPTIONAL) FOR ANY LOCATION *
1. Contact the Control Room or TSC or EOF field team coordinator.

Obtain the nece_ssary -information form the respective unit.

a. Noble Gas Release *Rate in curies per s~cond (can be calculated from RMS. data using Part A. of this procedure).
b. Wind speed in miles.per hour (mph),

direction and stability.class.

2~ -Based on the time since sputdown and.-the plant conditions affecting the release, determine the Noble Gas and fodine dose

-rate conversion factors (DRCF) from Attachments 6 and 7, and estimate. :the.du~ation of exposure.

3. Prepare programmable* _calculator TI:-59 for: use:*'*
a. Lock TI-.59 'Calcul~tor into printer. cradle (PC-100).
b. Turn printer on, then :calculator *power *On~*

--c. Select the Release 'Rate Dose. Calculation Cards (two cards -

'-three. sides).:

d. Prior.to card reading~ partition the 'l'I-59 bypt"essing _lOp -*

_(2nd tier)-17.

(The number 719.29 should appear on displa:Y:*) *Then :press CLR.

I:'r~ss *:CLR before readfng any car.a.**
  • side.**-
e. Read alL-thr~e -s.ides from -the. t~o program cards:~.* If the*

-- cal~Lilator *display bl-inks following the att~mp_i. to read the** -

card'- side, the. card. side has not been read *. - Press: CLR and

  • rein.sert tI:iis card_ side. until number designatio~. -6.t card - -

side is shown on_aispla~without.flashing

  • 13.of 22 Rev. -o. -*

EP IV-114 *

  • BART B (continued)
f. After reading-all three (3) card sides, initialize calculator.by pressing 2nd A.
4. Data Entry
a. *Enter di'stance in miles for which dose rates and dose commitments are desired and press A (e.g., if dos.e calculations for a location 10 miles from the* station are desired, press lQ. A).

b~ Enter appropriate Xu/Q (Attachment 11),.then.pressB (program code inserts exponent of lo-6; if Xu/Q = 6~1 x lo-6, then simply enter_6.1).

c. Enter Noble Gas rel~ase rate (Qn) in _Curies/second* {Ci/~~c)~

. then press c~

d. *Enter Iodine release rate. (Qi) in Ci/sec then *pres.s -D.
e. En.ter _wina speed in failes** per: hour {mph), then press E.
f. If *av*ailable, *enter field measured iodine concentration (Xr')'.

in Ci/m3 ( sam~- as {uci;cc), *the~ press A**

(pres~ 2nd Ah.

. g. If available, ehter field measured whOle body dose rat_e ih R/hr, then press B'. (press 2nd B)*.

If riot available* enter zero, then* press 2nd A.

    • h. Enter esti~ated duration :Of release in hours and minutes; with.decimal point; then* press. c(.(p~e*s*s 2nd C}.

Divfde. v~l~e--of DRCF. ro~. Iodine from** Attac.hment. 7 by_ 1000 *to**

correct to app*rop~i~t~*; units. (rem-m:3/Ci/hr,. and enter --this val~.re, : "then~ pre 0

SS' n*:. (press*. 2nd D).

'j ~*Mui tiply ~value:of

  • DRCF for ~oble *Gas.from. Attachment'~ 6'by :10
  • to correct to appropriate uni ts (rem_:m3 /Ci/hr.), and. e_Iiter :..
  • this v~lue ~ then_ pre~ss E' (2nd' E).
  • 14 *.of 22

EP IV-114 PART B (continued)

5. Running Program
a. Press R/S and program will run.
b. Example printout is shown on Attachment 8. Initial data entries should first be logged on data log sheet (Attachment 9).

Results should be logged, onto calculation sheet (Attachment 10)

  • 15 of 22 Rev. o

. °'

0 Hl N.

N*

  • o*

. *, *. 1-0.6-::-*

I

  • .. M

. :u.

. :L T. r*

p L.

o.~s y

T

.H I

fll.

s R *. *

/. o.....

.NU

  • u R

'oc /

B U..

  • E c

'R I 0.3

.I

--~,.....

  • 1 **

0 3..

- o:a

    • F**

0 R

p A

0.1 -

R T

I..

. {B)

. \\.

i HDBLE GJltS l>RCF FOLLO\\llNG SHUTUO\\i/>4

~.. *:

. ~p lV ~ Jl~

Ati~ e BASED ON. EPft-6i!0/1.;..75-00lJ 32:00 NW Tt-1£RMJlL AT EQUI Ll8R11JM

't10*1Ea.. INGROll9TH OF Ga~£0US DAUGHTiR~ INClUDi'O I_t4 OOSE RATES.

A.

Ti'lle f ran *shutdown to time of release in hours B *.

Time for transport = (Desired Distance)/CWind Speed)

(

mi)/(

mph) =

c.

Total decay time = (Step A) + (Step B)

(

) + (

)

=

  • D.

Correlate the total decay time (hours following shutdown)

. to the curves to determine the dose* conversion factors for Noble Gas.

0.0-1 -

-.1.~,~r-,_-

.. _-.&..ol_---!..l_"""--'f.__ __

. ~l--*--~.J. ___ J Q*.

20.

30 40

. I

  • .***so

l j r

. TOTAL DECAY *TIME..,. HOURS I

l I

i J iO hrl h'

hrl

. *~ trJ!

8 tel.

8 *H m Ii I.

~~* :

I.

I 0

Hi N.

N

  • -~

m

. 0..

  • n.

3000 I

. -v*

I D**. *. 2900 E

T. *_.*28~0 iI

. I.

s :2100

. N. E.. *..

. u. "2600 M. /

B H.*.

E R..

R. / asoo u

B C*

Y *I 2400

/.. ' *.

1. "

. 0.

  • 2300 0 **....:

0 3..

. F.

  • aaoo 0 R.

. 2100

    • A*

R

.*. 2000 T

JODIHE DRCF FOLLOUIHG REACTOR SHUTDOUH.

t.t' JV"".' ll!I.

Att. ri BASED'~H EP~-620/l-75-riOl3.3200 "~ THER"AL AT EQUILllRJ~"

  • DRCF 1 S FROft ~EG GUIDE 1.109f HOR"ALIZED *TO 1-131 COH~ Of 1 UCl'"**3

. 1-101 DRCF~a9ae.1-cso~oas*T,+c1.6123*t**a)-co,,o-1003&*T**3)-

~C&~3~69E~~*T**4i-ca.a7&7E~&*T**S) 1-TOT-DRCF& HORftALIZED TO l.UCl~ft**3 1-131.

  • A.

. B_e Time fran shutdown to t.inie

. of rel~ase in hours Time for transport = (Desired Distance)/(Wind.Speed).

(

mi ) I (

  • mph)

I I

e h*]

h*]

c.

Total decay time = (Step A)

+Step B)

~

J.

i

(

)+(

~

=~

Correlate the total decay time (hours following shutdown) to the curves to a

  • determine th.e. dose conversion factorsW* ;.
  • for Noble Gas.

~; *.

.. * (B) " s 900.... *-* _--a.,...._....__.._ __ _.. ___ _._ __.__ _ _.. __.._ _ _. __

..L.. __

11--_

.*.. *.*. q_

  • .,1.0' :
    • 80

.,3Q *

~O

&O *.

60

~t::rJ i-Pd 8

J.

TOTAL DECAY TIME -

HOURS H <

-.J I.....

~

I.*

. EP Iv..:.114_

Attachment a*

ATTACHMENT 8 EXAMPLE PRINTOUT OF DOSE CALCULATIONS BASED ON RELEASE RATE Distance from Site (miles)

Distance from Site (meters)

Xu/Q (l/M2 x lo-6)

Wind speed* ( u) in meters/second Plume Travel Time (ETA) hrs.min.

-*. Dispersion X/Q ( l/m2)

Iodine Release Rate (Ci/sec)

Noble Gas Release* Rate (Ci/sec)*

Dispersion Model Projecte*d *Iodine* Concentration at distance A

  • Dispersion Model Projected Noble Gas Concentration*

at distance.A Measured Iodine concentrations (if any) (uCi/cc).

Measured Noble Gas Exposure Rate (R/hr) (if any)

Dose Rate Conversion Factor-Iodine (rem-m3/ci-hr)

Dose*Rate Conversion Factor-Noble Gas (rem-m3/ci-hr)

Calculated Thyroid Dose Rate-Model

  • calculated; Whole Body Dose _Rate-Model Thyroid Dose Rate;,..Field Data. (if any)

Whole-Body Dose Rate-Fielo Data (if any)

Estimated* Duration of release (hrs.min~)'

(3.30**=**3*_hours; 30 minutes)*

Calculated Thyroid Do'se Commitment-Model

  • Calculated WB Dose Commitment-Model*

Thyroid D_ose Comm:l. trnent-Field Data..

Whole-Body_ Dose Commitment-Field Data TIME

3. Od '00 4.83 03 3.20 00 2.25 00 360.00-03 1.42-06.

1.20 00' 100.00 00 1.71-06 142.22-06 o.oo 00 o.oo 00 5.60 00

  • , 3.30 00 9.56 00 46.-93~03 o.oo 00 o.oo 00
  • 3.30 00 33.45 00.

164.27-03 o.oo 00 o.oo 00:*

Al A2 B

c D.

E Fl F2*

Gl

  • G2 G'l G'2 Hl H2 Il I2 I-'l 1 2*

J*

Kl K2 K'l K '.2 Distahce in miles Xu/O x lo-6*

  • Noble Gas Release Rate (Ci/sec)
  • . Iodine Release* Rate. (Ci/sec)

Wind. Speed_ in. mph Me.asured Iodine *Field Cone *. -(lf any) *

. Measured F,ield *Exposure. Ra_te *(if any)..

Estimated Duration. *of. Release.. (hrs/n:iin ):

Iodine DRCF

  • x 106 (rem-m3 /ci...:.hr).

Noble Gas DRCF X-102 (rem-m3/Ci-hr) 18 of 22 INPUT CHECK.

3. 00 00.

.3.20 00 100.00 00 1.20/00:*

,5 ~ 00 00

  • A**

B c.. *

.b

E

' '0. 00' 00 ' A I

O*.OO:OO B'

3.30 oo* c*

. D' 5.6000 3~30 00-E-'

Rev.

  • 0

0 Hi TIME (A)

OF'.*

DISTANCE

  • DATA F~OM..

24 HOUR

.. **SITE CLOCK

. (MILES)

INITIALS: *.

( B)

  • Xu/Q~.

x lo-6*

ATTACHMENT 9 PROGRAM DATA FORM RELEASE RATE DOSE CALCULATION

  • ( c)

( D)

._NOBLE IODINE GAS.

RELEASE

  • RELEASE
  • RATE
RATE (Ci/sec)

(Ci/sec)

(E)

(A I )..

(BI )

( c I )

WIND MEASURED**

MEASURED** ESTIMATED SPEED FIELD FIELD DURATION (mph)

IODINE EXPOSURE OF CONCENTRATION RATE RELEASE

'cJ.ici/cc)

(R/hr)

(hrs/min)

NOTES: *Taken from.Attachament 11

.**If available

.. ***Taken from Attachments 6.and 7 (DI ).

. (EI )

IODINE*** NOBLE***

DRCF GAS DRCF.

x*

x 106 102 (rem-m3/

(rem-m'.L Ci hr)

Ci hr) i.:

ATTACHMENT 10 CALCULATION SHEET FOR ABSORBED DOSE RATES AND DOSE COMMITMENTS (AIRBORNE RELEASES)

DATE ------ TIME ~-~~~~

(24* HR CLOCK)

PREPARED BY A

D G

G' I

I' K

K' DISTANCE PLUMF.

CALCULATED MEASURED CALCULATED DOSE CALCULATED FROM TRAVEL ATMOSPHERIC ATMOSPHERIC DOSE RATE RATE DOSE DOSE SITF.

TIME CONCENTRATION CONCENTRATION FROM BASED ON COMMITMENT COMMITMENT T

x (Ci/m3)

DISPERSION FIELD FROM BASED ON Al MILES (hr.min)

(Ci/m3)

NOBLE GAS MODEL MEASUREMENT DISPERSION FIELD A2 'METERS ETA EXPOSURE RATE (rem/hr)

(rem/hr)

MODEL MEASUREMENT (R/hr)

(rem)**

(rem)*"

Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 Al Gl G'l Il I'l Kl K'l A2 G2 G'2 R/hr I2 I'2 K2 K'2 NOTE:

THE TOTAL DECAY TIME IS THE SUM OF THE TIME FROM REACTOR SHUTDOWN UNTIL THE TIME OF PLUME ARRIVAL.

NO CREDIT WILL BE TAKEN FOR I DEPLETION FROM THE PLUME OR DECAY IN TRANSIENT.

LETTERS CORRESPOND TO LETTERS IN OUTPUT OF PROGRAM

  • NUMBER FOLLOWING LETTER IS INTERPRETED AS FOLLOWS:

1 (ONE)

    • NUMBER FOLLOWING LETTER IS INTERPRETED AS FOLLOWS:

l (-ONE) 20 of 22 IODINE; 2 (TWO) = NOBLE GAS THYROID; 2 (TWO) = WHOLE BODY

    • o:.*

EP IV-114 1 ATTACHMENT 11 Xu/O VALUE DETERMINATION

~elect the xu/n values that correspond to the stability class as determined by the A temperature, distance from the site and the release point (ground or elevated).

l.

USF. T'f'E 4 TF.MPERATURE VALUE FROM THE METEOROLOGICAL TOWER TO DETERMINE STABILITY CLASS..

Primary** Instrument 300 ft. - 33 ft. temperature <*c)

UN~TABLE I NF.UTRAL I STABLE

-1.3

-0.5 Backup Instrmnent 150 ft. - 3J ft. temperature ( *c)

  • UNSTABLE I 'NEUTRAL I STABLE

-0.6'

-0.2

!E!!

UNSTABLE IS !. -1.3*c NEUTRAL. IS ) -l.3*c < -0.5°C STABLE IS ) -o.5*c.

-~

UNSTABLE IS !. -0.6°C NEUTRAL IS

) -0.6 ~ -o.2*c STABLE IS

) -o.2*c

2.

DISTANCE GROUND LEVEL RELEASE (E-6/m2)

  • ELEVATED METF.RS

~

1000 0.62 1270 MEA 0.79 2000*

1.2 3000 1.9 4000 2.5 5000 3.1

.6000 3.7 7000 4.4 RO(IO 4.9 8045 LPZ *'

5.0

!1000 5.6 10000 6.2 11000 6.8 12000 7.5 13000

8.1 14000

'8.7 15000

. 9.3 16000 EPZ 9.9 MF.A -

Minimum Exclusion Area LPZ Low Population. zone

. EPZ F.mergency.Planning_Zone UNSTABLE NEUTRAL 15 61.39 9.95 41~5 4.64 22.49 2.32.

12.20 1.42 7.86

.968 5.58

  • 708.

4.21.

.* 543 3.32

.432 2.70.

  • 42 2.5

.353*

2.25

.294 l.91

.250 1.65

.215 1.44

.187 1.27

.165 1.13

.146 1.02

.131

.952

._.*Value' of Xp,ln for 1000 meters distance * *s.33E-l6/m2 * *

    • Value of XJJ/0 for 1270 meters distance **l.35E-l2/m2

~ UNSTABLE 244.8 18.28 227 12.4 168.0 6.13 113.3 3.12

81. 7.

l.92 U.3 ~

1.31 49.5

.963.

40.5

  • 740

'34.0

.589 33.3.

.57 29.0

.481

'25.2

.402 22.1.

.341 '

19.6

.294 17.6

.256 15.9

.225

'14.4

.200 13.2*

.179 LEVEL RELEASE NEUTRAL 45.1 42.2

  • 27.99 17.26 li.72 8.5.5 6.56 5.23 4.28 4.06 3.50 3.06 2.65 2.32 2.05 1.83 1.65 1.49

.... Distance_* __

  • xp/n

____ E~6/m2 (ground).

Xp/O *

.. *E-6/m2 (elevated)

NOTF:

Other locations EP IV-11. l*

21 of 22 Rev. O (E-6/m2).

~

.017

.793 3.54 7.22 10.4.8 12;81'

'14.26 14.3 15.02 15.29.

15.23 14.95 14.55 14.06 13.54 13.0l

Reviewed Reviewed

.... ~--*.

....,.,:...._*:¥.***--*."'.**-;

  • ...,.,...* '*_*:.* *c.* *.: **

By: ~

  • ~449...*

By:. JM{)~

~

Department Head Approve.a -~y:-

,;//*~*

General Man~ger-- Salem Operations

  • >>Approved By: __

--"-*~

........... ~---

._-......__-~L"-'.'--'.L..o~~-

.:...11~""""-::;;,_-

-. ;;.....=....;....-.__: __

Manager - Nuclear Site* Protection 22 of 22 *

    • -~--.... **--**'-

EP IV-114 Signature Page Date

?-/cJ-¥Z--

Date

~

)

Date Date._

Re_v. O -

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