ML20004F554

LACBWR Cycle 6 Fuel Performance & Finalized Refueling Plan for Cycle 7

ML20004F554
Person / Time
Site:	La Crosse File:Dairyland Power Cooperative icon.png
Issue date:	06/01/1981
From:	Raffety S DAIRYLAND POWER COOPERATIVE
To:
Shared Package
ML20004F551	List: ML20004F550 ML20004F554
References
LAC-TR-096, LAC-TR-96, NUDOCS 8106190066
Download: ML20004F554 (24)

Text

o,=

.s

, to DPC Letter LAC-7572 Dairyland Power Cooperative Report: LAC-TR-096, "LACBWR Cycle 6 Fuel Performance and Finalized Refueling Plan for Cycle 7" t~

4 i

4 8106190 @ gg-

. r- -

LAC-TR-096-LACBWR CYCLE 6 FUEL PERFORMANCE AND FINALIZFD REFUELING PLAN FOR CYCLE 7 S. J. RAFFETY DAIRYLAND POWER COOPERATIVE Dairyland Power Cooperative 2615 East Avenue South La Crosse, Wisconsin 54601

. _ _ _ _.,, _. _ _ _ _. _ -,__.~.... _ _.. - _ _ _ _ -.

(F1 -

m. _

! LAC-TR-096~

u at 1.0:

SUMMARY

LACBWR Fuel Cycle _'6 ended on1 NovemberT 9, 1980, afterLapproximately 17.5 months operation.. The incremental core exposure-during the

. cycle was 7339' MWD /MTU and the EOCLcore average exposure was-ll,542 MWD /MTU. 'The cycle was limited by depletion'of excess reactivity

~

'resulting-from fuel burnup.

'Throughout the cycle the off-gas activity and primary coolant gross B/y, a,

I-131:and Dose Equivalent-131 activities exhibited rela-

.tively constant, low 'ralues indicating very little if any fuel clad degradation.

(See Figure 2.)

During.the refueling outage each fuel assembly was removed from

-the core and examined.

No fuel deformation or clad defects were observed.

One assembly produced a weak indication of fission gas leakage during dry sipping (28 times background) and-this' assembly probably contains a fuel rod with a small clad defect.

In general, the fuel: condition at the end of Cycle 6 was much better than at the end of previous LACBWR cycles.

See Table I for a historical summary of LACBWR fuel performance.

The LACBWR core configuration for Cycle 7 consists of 24 fresh Type IIIfassemblies, 46-previously exposed Type III assemblies, and 2 previously exposed Type I: assemblies, all in Zircaloy shroud cans.

The core average exposure at BOC-7 is 6528 MWD /MTU.

Under the present Technical Specification-limit of 15,600 MWD /MTU

'for any assembly'the expected length of Cycle 7 is 208 full power days.! If the Technical Specification burnup restriction can be eliminated,.the cycle length could be approximately 263 full power days.

2.0 CYCLE 6 ANALYSES 2.1 Cycle 11istory Cycle 6 began on May 25, 1979, and ended on November 9, 1980, for a total of 534 days.

During this period the energy produced was equivalent to 356.1 full power days.

The exposure distribution in the fuel at the EOC 6 is shown in Figure 1.

The average exposure at EOC uas.ll,542 MWD /MTU and the cycle length was 7339 MWD /MTU.

The cycle was limited by depletion of excess reactivity resulting from fuel burnup.

When the cycle was terminated the control rods were fully withdrawn and the maximum achievable power had coasted down to 75.5 % of rated power.

Figure 2 shows a power histogram for Cycle 6 along with off gas activity and primary coolant gross B /y, a,

I-131 and Dose Equiva-lent I-131' activities.

The radioactivity in the coolant and off-gas of a reactor is a sensitive indicator of fuel clad integrity.

s:

*a a

- LAC-TR- 0 9'6 a

As can be:seen-from'the plots-inLFigure~ 2~all o'f;these pa'ameters-i J

r exhibited relatively: constant,- low values'in the LACBWR during-

~

=Cyclec6) indicating very little if any; clad _ degradation during the cycle. -The majority of the fission product-activities.that were, observed;in~the reactor. coolant or off-gas during Cycle 6 probably toriginated'from fissioning of fuel material'from previously-failed

-fuel that was deposited as' crud on the surface of-fuel rods and other: core components.

The infrequent spikes in = activity in the reactor-coolant were also due._to fuel material still in the system from previous. failures being resuspended in the coolant by reactor shutdown-~ transients and the restarting of-coolant pumps,fetc.

_ -2.2-Fu'el-Inspection Each fuel assembly was removed _from the reactor and examined in the

~

' spent. fuel storage pool with an underwater TV camera and by direct

. visual observation.

All assemblies that-had been in the reactor for more than one fuel' cycle plus the 2 Type I (A-C) assemblies

were examined for fission gas release by dry sipping.

After com-pletion of the inspections all fuel was stored in the new storage racks in'the spent fuel storage pool while other core internals inspection and core component replacement was accomplished.

2.2.1 General Appearance The general appearance of the fuel was very good.

No deformation

.of fuel rods or other assembly components were observed and no clad-defects were evident.

As in previous cycles the older, high expo-sure fuel assemblies from low power peripheral core positions exhi -

bited relatively heavy crud deposi ts on the fuel rods, especially near the bottom of the assemblier, and considerable flaking off of this crud la3er was evident.

The newer fuel and fuel from high power core pr ;itions exhibited auch less crud on the_ fuel rods.

All of the fuel assembly nozzle s and lower fuel rod support grids were very clean with essentially no crud deposits evident.

2.2.2 Dry Sipping Results All of the fuel assemblies that had been in the reactor for more than one fuel cycle plus the 2 Type I (A-C) assemblies (46 assemblies total) were examined for fission gas release by dry sipping.

Only one possible leaker was identified and it produced only a relatively weak indication, approximately 28 times background.

2.2.3 Comparison with Previous Cycles The fuel condition at the end of Cycle 6 was much better than at the end of any prior LACBWR fuel cycle.

No visible fuel rod defects were evident in any of the fuel.

One Type II ( A-C) fuel assembly produced a relatively small indication of fission gas leakage during dry sipping and probably has one fuel rod with a small through wall defect. J

1 9

LAC-TR-096 The historical performance of the LACBWR fuel from Cycle 1 through

. Cycle 6 is presented in Table I.

As can be seen in this-table, Cycle.6 was one of the longer LACBWR fuel cycles at 7,339 MWD /MTU.

TheLend-of-cycle core average exposure, maximum assembly average exposure, and. average exposure of assemblies discharged compares favorably with previous cycles, but is still considerably below

. design values or those values desirable for greater economy.

The cycle operating conditions were'approximately average for the LACBWR with 50 startups (% 29 to heating power only), 14 scrams while at power, and 7 normal shutdowns from power.

Seven startups were from cold conditions.

The end-of-cycle off gas and primary system activities for each cycle are also listed in Table I and it'is evident that at the EOC-6, all of these indicators of fuel condition'are considerably lower than at the end of previous cycles.

Operational experience to date indicates that the Type III (Exxon) fuel is less prone to failure ind will give better and longer service than the Type I and Type II (A-C) fuel.

3.0 FINALIZED LACBWR RELOAD PLAN FOR CYCLE 7 3.1 Core Configuration for Cycle 7 Twelve Type II fuel assemblies with an average exposure of 15,885 MWD /MTU and twelve Type III assemblies with an average exposure of 13,859 MWD /MTU were discharged at the end of Cycle 6 The average exposure of the 24 assemblies was 14,872 MWD /MTU.

The assemblies discharged along with their core location during Cycle 6 and their exposure are listed in Table II.

The core configuration for Cycle 7 consists of 24 fresh Type III assemblies intermixed in a checkerboard fashion with 46 previously exposed Type III assemblies and 2 previously exposed Type I assem-blies as shown in Figure 3.

The core average exposure at BOC-7 is 6528 MWD /MTU.

During the reconfiguration of the LACBWR core for Cycle 7, eight stainless steel fuel shrouds and 28 high exposure Zircaloy fuel shrouds were removed and replaced by 36 new Zircaloy shrouds.

During Cycle 7, there will be no stainless steel fuel shrouds in the fueled region of the LACPWR core.

4 3.2 Expected Length of Fuel Cycle 7 The detailed studies of the burnup of Cycle 7 with the TRILUX code show that the exposure of the lead assembly not on the periphery of the core reaches the present Technical specificatior' limit of 15,600 L.0-TR-096 MWD /MTU when the' core average exposure is approximately 10,889 MWD /MTU. :The corresponding length of Cycle 7 is 208. full power-days or 346 days at a capacity factor of 60%.

With no. limit:on fuel exposure (or at least a higher-limit) and coast down to approximately 85% of rated power, the fuel cycle Lcould be extended by at,least two months to a core average exposure'of approximately 12,050 MWD /MTU.

This exposure corres-ponds to a cycle length of 263 FP' days or 439 days at a capacity

. factor.of 60%.

The expected fuel exposure distribution near the end of Cycle 7' is shown;on' Figure 4. j

p-I r

k TABL FUEL PERFORMANCE CYCLE 1 CYCLE lA CONDITION 11 JULY 6 7-14 OCT. 72-19 AUG. 72 30 MAR. 73 CORE AVG. EXPOSURE (MWDAITU) 0 - 9968 83667 - 11,107 CYCLE LENGTII (MWDAITU) 9,968 2,440 MAX. BOC ASSEMBLY AVG. EXP.

0 12,810 MAX. EOC ASSEMBLY AVG. EXP.

12,810 15,770 NO. OF ASSY. DISCH.

8 26 AVG. EXPOSURE OF DISCII.

11,490 14,360 NO. OF ASSY, DISCH. WITf! E 15,000 0

10 NO. OF ASSY. DEFECTIVE 8 PROBABLE 20 NO. CF ASSY. WITH VISIBLE DEFEC',

1 15 MAX. NO. uF VISIBLY DEFECTIVE RODS PER ASSEMBLY l

9 T TAL NO. OF VISIBLY DEFECTIVE RODS 3

42 ESTIMATED TOTAL NO. OF DEFECTIVE RODS NA 47 NO. OF ASSY WITil FEEL DISPLACED DURING OPERATION O

O AVG. EXPOSURE OF DEFEC*IVE ASSY.

11,490 13,986 EXP. RANGE OF DEFECTIVE ASSY'S 11,034 - 12,136 12,264 - 15,205 MAX. EXPOSURE OF GMD ASSY.

12,810 15,770 SCPMtS WI!ILE AT PO4ER NA 4

COLD SilUTDCWi:S NA 2

1 TOTAL NO. CF STARTLTS/TO HEATING RANGE ONLY I

9 (NO. OF ASSY./ TYPE) 72/I 72/I.

FUEL TYPES

'\\

o I

i

2 LAC-TR-096 4

[I

'IN THE LACBWR CYCLE 2' CYCLE 3 CYCLE 4 CYCLE 5-CYCLE 6

'25 JUNE 7 F-21-DEC. 73-11 AUG. 75-9 MAR. 78-25 May 79-3 NOV.-73 9 MAY 75 11 MAY 77 25 MAR. 79 9 Nov. 80 l6,251 - 7,953 3,928 - 11,269 5,906 --12,833 5,763 - 9,729 4203 - 11,542 1,702 7,341 6,927 3,966 7,339

'15,300 15,660 -

11,580 12,589 13,065 I

'16,740 21,532 19,642 14,889 16,688

- 25 25 32 28 24 11,591 15,530 16,459 13,966 14,872 i

3 9

27 0

12 23 10 26 17 1 PROBABLE 11-4 6

7 0

l l'

.8 6

9 4

o l'

36 18 19 12 0

48 24 40 22 1

l 0

0 3

0 o

i 11,190 16,691 16,774 13,880 16,6P0 2,200 - 15,300 13,528 - 21,532 12,042 - 19,642 11,925 - 14,889 NA 16,740 18,982 17,361 14,713 16,658 l

7 14 9

12 14 l

2 5

5 5

6 l

l

-l-53/27 32/ 11 23/7 50/29 20/8 48/I, 24/II 24/I, 48/II 72/II -.{

40/II, 32/III

' 2/I, 12/II, 58/III TABLE I i L_

u

~ _ _ -

I TABLE I -

4 FUEL PERI ORMANCI CYCLE 1 CYCLE lA I

CONDITION 11 JULY 67-14 OCT. 72-19 AUG. 72 _

30 MAR. 73 STARTUPS FROM CCLD CONDITION ROD MOVEMENT RESTRICTIONS Rod Interchange Rod Interchange Allowed at. Full Allowed at Full Power Pover PCWER ESCALATION RESTRICTIONS None Above 10% Power 1%/ Min. With 10 Min. Hold Af ter Each 5% Increase.

EMD OF CYCLE CONDITIONS:

I POWER (% OF RATED POWER) 97%

98%

3

% 320 N 900 OFF-GAS ACTIVITY AFTER 150 ft HOLDUP TANK (C1/ DAY)

PRIMARY SYSTEM GROSS S/y N 1.0

% 4.0 ACTIVITY (11Ci/g)

PRIMARY SYSTEM I-131

% 69.9E-3 ACTIVITY (pCL/g)

PRIMARY SYSTEM DOSE EQUIVALENT I-131 ACTIVITY (pCi/g)

PRIMARY SYSTEM a ACTIVITY N O.35E-6 N 3.5E-6 (pC1/g)

• Values in parentheses are estimated for 98% reactor power.

+

LAC-TR-096 (Cont'd)

IN TIIE LACBWR CYCLE 2 CYCLE 3 CYCLE 4 CYCLE 5 CYCLE 6 25 JUNE 73-21 DEC. 73-11 AUG. 75-9 MIA 78-25 MAY 79-3 NOV. 73 9 MAY 75 11 MAY 77 25 MAR. 79 9 NOV. 80 3

6 6~

6 7

Fo Rod Inter-No Rod Inter-No Rod Inter-No Rod Inter-No Rod Inter-changes Allowed changes Allowed changes Alloweu chages Allowed changes Allowed Above 10% Power Above 10% Power Above 10% Power 5%/Hr. Up To 50%

5%/Hr. Up to 50%

1%/ Min, with 10 10%/Hr. After 10%/Hr. Also, Power. 1%/Ilr.

Power. 1%/Hr.

Min. Hold After July 1974, Re-On Initial Es-Above 50% Power.

Above 50% Power.

l'ach 5% Increase.

duced to 1%/Hr.

calation of All Cold Startups All Cold Startups A.so, 5%/ Day Above 60% Power.

Cycle 10%/ Day 10%/ Day From 30%

10%/ Day from 30%

Above 57% Power Also, Cn Initial From 40% to 601 lte 50% Power and to 50% Power and On First Escala-Escalation of and 5%/0ay 5%/ Day Above 50%

5%/ Day Above 50%

tion of Fuel Cycle, 10%/ Day Above 60% Power.

Power.

Above 25%

Power. Above 25%

Cycle, from 40% to 60%

Power, No Control Power, No Control and 5%/ Day Above Rod Withdrawn Rod Withdrawn 60% Power.

.vore Than 4"/Hr.

More Than 4"/Hr.

82%

85%

56%

49%

76%

N720 N450 N1000

.N290 N200 g

(N860) *

(N519) *

(N1750) *

(N580) *

(N361)

• 7 N2.1 N2.0 N13.0 N3.1 N.8 (N2. 5 ) *

(N2. 3) *

(N22.8)

(N6.2)*

(N1.0)*

N47.9E-3 N14.7E-3 N37.4E-3 N 9.3E-3 N2.lE-3 (N57.2E-3*

(N16. 9E-3) *

(N6 5. 4E-3) *

(N18.6E-3)*

(N2.1E-3)*

N3.9E-2 N1.5E-2 (N7.8E-2)

(N1.9E-2)*

N 1.2E-6

% 3.5E-6

% 66.lE-6

%.85E-6

%.08E-6 TABLE I - (Cont'd) j_Q 'T K _. ((

fly JM

~

1. 7,

~

l LAC-TR-096l "I

e i

1 TABLE"II~

?'-

y

'LACBWR Fuel Assemblies Discharged atLEnd!offCycle=6 -

' Core Position Exposure, MWD /MTU Fuel ^ Assembly No.

~ ~

2-58*

-F-1 116,688-2 A-6 16,658' N'

2-67

~E-1

'16,320-

~

2-66 E-10 16,310 2-54 F-10 16,309 12-37

-L 15,734 2.71-A-5 15,704 2-50 L-6 15,589 2-64 B-9 15,452 1

2-57.

K-2 15,407 2-61

~B-2 15,230 2-60 K-9 15,223

3 C-6_

14,334 3-6 H-5 14,276 3-15 D-7 14,167 3-18 G-4 14,142

~

3 D-4 13,974 3-19 G-7 13,953 26 C-5 13,945 3-7 H-6 13,884 3-24 E-8 13,540 3-9' F-3 13,533 3-23 E-5 13,281 3-10 F-6 13,275

. Average exposure of discharged assemblies is 14,872 MWD /MTU.

• Assembly 2-58 probably contains a defective fuel rod as indicated by a weah dry sipping signal (N28 times background).

l

.1 4-T'

m.

LAC-TR-096

.A B

C D

E F'

G H

K L

~

2.- 47 1M S

lb.31 Q

lk L___M i

2-4 I

~

3-L1 3.o?

~

3-47 3-93

~

3 13 3-/

~ 247 E

7 03 11.7 3 1 91 W11 trz2 7 79 II.bl 7.01

_ W f( D & P lY ~ ~~1

~

i I? R 3-3 5

3-zl 3-9 3*31

~

3-35 35

~

3 l0.75 5.C3 9.If I.1.1y 13.s2 9.yl 3 78,_ l1.10 RQPB GT i

7 3-30 ~5 3-14

~

3-17 3-4V 5

3-36 3 ~

k lY.I'l 9.54 i1.00 C

?r l3.17 g ' * @_Q'3'7 _ E l( 9

)\\.91 9.31 I

i P

'~

__l 1-1/'~ l- $

3-26

~

3G 3-13

~

3-Il 3-Yo

~

3-6 3-33

~

z-37 5

u 7o 1.n 13.,1 m@_ is.2s 13av

_ E 11 1s

s. a

. wn 2.sG l-zy

^

3-z7 3,s3 ~ _i i

i 9

@r

?n i

1. . 9 i

f2 l

i 3-2 z 3-10

' 3-YI 3-7

~

3-31 1-se 6

im 7.90 iv.32 g

is.n s.>s ir n g @ g 13.,s_is.zg l

5 i

i 4

1 i

.lc; I

L

?d 3-31 367 3-17 3-49

_ 3-V5 3-19 3-37 3-3 y

IL.0b 9.57 I417 Q_

I1.95 9.21

//.98 ht IR____I

//

@ f ~ - ~ ID i

3-zs 3-31 3-5Y

~

3-11 3-/z 3-yz 3-31

~ 3-1 0

II.t3 8.11 9.13 134y_[313 9.l1 1.70 60.1Y f-~'-~):'~--

1 1

?n C

?i i@i 9n i

I

~

1-Go 9

2 47 3 3-20 3 60

.3-Yb 3 -16 l3-Y 1 77 15.32 Isus 9.00 1174 S.oY 5.01

11. 6 0 I

!?f1 I

IO 2h 14.31 IMI IN CORE FLUX MONITORS Q PLANT NORTH Fuel Assembly Number xxx Average Exposure (GWD/MTU) yyy Denotes Stainless Steel Shroud Cans L FIGURE 1 - LACBWR Core Configuration and Fuel Assembly Exposure at End-of-Cycle 6, November 9, 1980.

EOC Core Average Expo-sure is 11,542 MWD /MTU.

(S-1A and S-2A are startup neutron sources) -

MJY 197m Juss C7J Juty 4979 s.u c u s r 337 3 suprEusEn i919 ccronEn g71

, i i _; ra a7 o no is ao au s to is 20 29 s so n no 2s e to is 20 2s e to is 20 23 l

/ m aj,. :ip, -= y:lh.

.. :p -

[ : 1..

.,' [..

i

.1. [

. j.:u.

i

. ;.y g ' u.p

/-

71 1

. p 3. x

,r p

- n;;

un

. =

==

g tu

=

.1 i

i to Y-ms J&

M N

4A W

t u

t

/i F

!l p

li

+

fi

y. - _:l g go

!!F !!"IIi!!

&.J,j.

/t L a._ _

1 b

h..

.L.c Ei!

T

=

1. _m

.x, Dj

i

l y g f,.h

---

[' ' '

mT h.*

.O f

... r

-...r, --- ;

Ftii e

!!i-4

+

.[

r E

. n. ;g; 1

..l, i

t 24 p.

h..

=-

+4b 4

i ii WM tu

+

+4+' w. F

-==-

=

= - -

==

i

,Jn

.l.:

g:

m. :.

0

'A l a'.

_ij;.i.. ' - ^

1._g-l

}

i::

.:l:

a

!l p

jij g t SM 3

[}'

- t.:

p'.

F. __

. 50l

~

_ :_n._.._._

u_a m

y COCO

.E'

j...

i '"

1 q

ni.

- _,w i

i

n..;

y

-i.

5

-* i'. _

' .{.j 2

.I',:

y W

MO k

IP 'il

!:[ ibiYi.' ri!!

i {ii

.i j!! '

. -'. :-{.....

i

.i

+

....r.

.. l j..-

...f-

[ty 4

I j;

Q

!!fi M

b 400 U!! Plii i " '. i...

.\\--. -. i%g I"

.i (n

41 r

..h.

). ;. =;

..g.

_ q:

g q

p

u.

pn

+

Jj.:

.. +L. q..

cq.

g.

. 5....if i

. n 1

1

. p:

i} y; - "j}_r_

. [.

m

\\

a

+

L L.h:

i4 yp y

iii! !

mgluny

!!Ni:

~

c o

l.."

.:l ^

c;.

+

1 4

4 Q

+.

'4 6

=

.j'{ i,

....pt:

Q k

Hi!

Hi:

gij 4

i 1

84

,m 8

3 N...Mg' M.N..gi' 4' g" p

i

!,d

~

y g

g 2

ey

' M iMV:

iWi

lE M

j{g,a a

~

x u

n:

i

u; 5g

.u.

+

1 g

n:

3g 3l iiiE

's

!!H

+

r 2

7 1:ii ?..

~Hi U

55i !!!!- iiH

!!i!

i iii

"~

M...P.

!Hi.

!b:

q

!D

t 4

1 i ii!

iH; iiii I

iiii

+

O

~

: t.i.. n..

m.

{9 7

j !{

+

1 1

4 7

q:-

o n;.

.j r

y i

o 3

,j s

l d

N g

l l *~^~ {

9 g

4(....

t..L3. p._ 3

)g 1

T iiii

- I-i-l'

i. I1 iL; A

iiii ini iiii 3;

I

. [...

.. :it;

.., ;. i.. ; ;

7j j 1 i.

i.i.pJ.:,. $.

j'<i.y oq

g..

q

.g.

i!i

'ilT"

\\ji i

'Y

^ li f

i i

/

!~

0 s to is 20 as s io is 2o 25 s to is 20 2s s to is 20 25 s to is 20 25 io is 20 gl MAY 3079 JUNE l979 JULY 1979 AUGUSr l$79 S E PT E M B E R lg P

q

?00R laLL

- 8 Cv:w ca 3973 oferum 3973 nNuAny1380 nzeuAmy Cao uAccM 1980 I

2 to is so 2s s to is 2o a1 s to is 20 2s a to is so 2s e to is 2o na

, j4q lD j 1g. 4

p _:

. p.

p: Ei

g ::-

.10 ijh

!H:

y

~

4

33.....

, _ g

.p.

i

,J f}.

f

' f

[.

II.!

'i

. i?

e

t. :. r au 6

..F

..n

,,, a m

[

.p.

4_

.Q.

3 2

g

. g g gp j

@,,. q s

m.

1 e a.:

e

E.h

n. b kn.:n...

.h. :....

. m".

t

~

h gyj fifi.pj ffh if [ ['[

~ '.a '

- f..

JJiiuiH.-

u.lu..udh nut u:mi an. iiii ;4 ;;-

I 4

- [:

L si

._..~ _

.s LACBWR THERMAL PONER lid !!!! !!!i

i i

i

~~

9 e - j.

i?

S = REACTOR SCRAM jij: !!p !ps!

SD = NORMAL SHUTDOWN in: ir r-

. s. n

..r aa

- -mn

. ~

, : g, ; pp n h., y..

... ; g u,g;

..n a.

- F

-4

-. +l,,i-

.. n.

c t

4;g

.p j

gn m

a Tu t.u.a.. nu un a

u;.p; nu

-f N, (l' ~a :.

3 ;

r

". n.... th: uh yn gp

+

i T+.a

h:

a.g

y: ;p;

+

g 3 -

4

+

tiH

~

iH.

liS! I!O !!!! !!!! jd!

ti!:

'i.

iOi

,4 4

gg iiiii i!!! ll2j ijg ;;j; gjj 4

Pi:

,;;..'p; iHi FH v

.; p.

, ! p..!;.!

r.

~

na m.

m..

n:

n.. a.;

h..

..i a,, :q..:

. h..

r.. a.. p:

n n..

?.:.,.;u

=

au;

p.,

m a

lib !!H g; e

!!H Hi. m di si ini !!!M :.' ijji ljij !!!! iiii "!

J n;.

?:t

.o r-n.:

p

a_.

t._.:.. :u :n_ : :lh_ :

4 au

.... er n

-a:. y-n h, r.

n.

m

n. :h: n:.h:.*

nF m L:

.n

t:

+

+

s n,:.

' ne w m

~

+..

a.:

n...

u..-

..... II' nn e

a..m

t

.1 iy!':

l': ^ * '. '

'.,0

'. f ! "

d !H un g.

,4 c

!1

. H E. m

d.. H!...i LACBWR OFF-GAS ACTIVITY n!!

4,E.~

t1

- &P -

!!U m; thr a

+-++

-u g: ~+

--++

fj;jl 4

ri-

y! ;g

1 ap jip' :!W 4y

.: *, pp 'j t

g ;M g..

.4

,,7 y,,

i h N!! Nff IN i Nb lii!' iiN ffh Nf kfh :il!

llb k ill..j.

fin

' lib iii 4

• ~

.. ~..

('; hQ[

^ * -~

-N

,.,.fp rt-*

O! 'h'j.li! y,' +d;ji

+-

4

'!* :. f...p H!!

~

h.

V"*9=e=

M

-%==.

1.

. ii

~

[iP259d

5NM/*

!)!! IIII 2

.r.

i ' ".!i!! iiu Hi!

Gh!

.'i h:,

......U h!. it?

-i~

,3

~~M****WW";-

'4..h

H

' E.

4 J

"l:, y..f!..i.

l:

Ml MH Jiil y[:

+

4j

.h; I

M!.i f

.i i M. :i

!.iii

.--,' hi:

ji. !i. :l.li.

u

+

i...

r!'

a. j;.u

a;

- g. '.

a':

.u*

t :

a 7

... in

• q!":;:

.y

.i.

t

.:~

t"+

tth IM Mi iu I'

R;i. M' :U U.:

i.. - : h.

r.

1" tM. t.M

't' p:

a

+

M:

M

-, - +.. m+t.

-+

~+-

. F. ;

_:. rp;,

+

m y' a

p' r

REACTOR COOLANT 6 y ACTIVITY

',h:

e::

1

a..,:m.a:.

u...

1. *.

1r m m

,. p

.." e. m. : p.. n..p.

.m

.m. :

p.

n.

m.

.n:

iiii IIS INi ii!

b" :!. t.

@ TNb i

.t.i.: !!5?

hit Mi:

IN! Hi!

!"' Sli

!U:

4 :

MMOT /MMWMW 14 i%#=_:

g

• iiii ni! !in ii!!

+

H. %M

'Mh hi: %

!Hl Ti d J

~!

IH

!!O i

u; i ;H p:

o i

07 :

a;.

a ltu

tT! ?

1 **. +

...i.

o !.

. +.

-.....~

m,m a u.2 m

. 7..*-

m

..a

. p-

.m FIGURE 2 - LACBWR REACTOR COOLANT AND jn

_ _... 7 l'

!!4 50 OFF-GAS RADIOACTIVITY DURING iH m

7 CYCLE-6 E

. g" '

a

' e....:.

5 t

a:

T***'

.._4_ 4. _

... [...

7..,

s

p r

~

r.

.7..

.?.

..!?

• {

h N:

1. i

.f aq

. L :_ :_ ! _._

j

- [.._

-.M..

1

-. l l E.-

. i

_.1..

t m-i

-- t....

g..

)f -

-d RE^ % COOLANT = ACTIVITY d

l-

+

j.

ij g

..,, i

r 7

i

(

g-p

}.

}

l-p.

q. l-~_.1

+

}

q __.. -

w

_.. _ q__ _._..

l.

i l-

._a

.g.

L

. t.

~,

..a

~

5 10 15 20 2S S to 15 20 25 S to IS 20 25 5 to 14 20 25 5 to 15 20 23 5 to 15 20 2M

)

NOVFMRERl$79 OECEMBER l973 JANUARY 198Q MBRUARY19llDRdHAr MARC

{

A PRIL [ggQ P00

k..

LP]L$Q' MAY60 J U P4 E JULY U AUGUST M SEPTEM BER N Q

S 13 13 20 29 S to 15 20 25

$ to IS 20 25 5 10 15 20 2S S to 15 20 28 5 to 15 20 25

p:

}".

.Q:

. +

utu tiF

+

+

~'

ml

?

E...

T Ri i-imi

• • • • (b b

!! /,******1 i f.

y,

!!!! '!!!i '!!

'. if.

i, 4

- c

h.

u k. :.. L.

' p":

t

. :,a

.:};m:

.:n

n

- u.

J-

p

• +.

+

t

.-o "J.. =

2.

m

nnu

!n

• nn o.:

.a

- ;;p.

\\

n.

p:

. r:

r

i:: -

+

+

.~.

+

i 9..a nn

.n

tr

9

+

f0.,

p- -t;3

{ p.. y-

.7 r

.. h. u p~: a n.

r.:

In

. i..p-....::p":

.g. j

..i. r. -

b..:' nl.

nl.:

m:

n;p-

i..p i:+:

y i3.p :=. e n

~

?-

'II.

'"h

.~

..t.a=x

+

k L

!!!b lii- !+ [.iii lI!i !!!

Ikii!! !!!!! '!!!

'IE 4

i I

'i

.O !!!! iW

-IE lll!

i

+

g....

E

d..q

1,..n :;h.

.t:l ;n

..{

..j

d...

t...... h.. t.

.~.

i.

m...

M

..n..

ji.-

a ij. {j..

..h.+ ;

• gj.

+

t

. n i n. a+n

:t:

ut n in

+

+

" } n.

n tut m

p o

m 3 y :

+ :,

!!E

!!! !I lii!

!!ii u!!

1 ilii mi

[

g;iiii ili illi iiii !!

Hi

!Hi

+!H'

+

1 LO n -1 !Hi :y.i H-iii

.i ti:.

iii.i.

. p,

~

!U,

~

.e : ;n iiii

..x a:

n; ja ":

i 3:;n;:i t n

a

+

p:u

. : 5, n: in u

a n'

r.

nu n n-...n n..

}:u:

nn :;;: j;p. n;;

a

" L m :

uh un nnu o b:

g:' jp.

t nh

.c

+t un un a "n

,n

Jj:.....d-1.f. i. n.

l.i.i..jL

. 4

p.: fi. H.

$p.io 4.i m

o ii

. u.p. y.n lH $

. i sgE 13!;

iii

iji gg p jiij

+

gp

..h"...

m:

W p

+

ii i

t

+

n h

/Too

. ~..

ap c

.i..

m

.iIn..

n..

...... g:

p

nt:

r ttu 4

a.: na utn2 nn n;..'

.. ~.

n: :n:

t

ta "i

n:

M.

n:

nn n:.

//00 g; :* n

p.it

.p.

+

+

.. p:

. pp :. n

gp

h. gg yp M.

/000

3..n nc 1

+

+

.2

'.' n. '

?

!.. h.itn

.- +n d

..j

+ ' -

4

. M":

..r-l'

+

4

+

Mh

't in. M.:

4 M

M hiii iFFF iEi i

hE Hdi IIJ iiH

+

' C -ili iiii idi iiii lii "H

+

+"

to

+

i foc

i. H.ii. H.. i. i. 9i.i.ji.?

n!! PH:

c ;:p.

n..l:+.

n. n..!i. i. i. iE i

H. ii. i.

==.

o Hii i": iH: H. H.q.H

+

1 t.

n f! j :jH 'IH I. [iil .

[ih l

i iii! ijhi i +' iij!

iib 'l ~'4; :;h p..

tin r.

too

y. n.. u..p.

p..

t.: n,:l..

n

... n

n. p.

+

+

. n...:nl.

+ -

n.. { :

r.

? :

I. n. j M.. :. :

+

_. p.:

a

p t:.

n.

i

rn L

~

. t. +.

+

+

MH :h]n n:-

r;

+

.,,.un np

+: ny

. o

h.:

+

+

y y-h

F S

--i "

Mii

.Hii "f, ppNj}

Q j

.L u

.i A LF s ic tiH im m

_... i2 eH t.

+

-[]

. if

2 WD

i{

"i;.

.p p! :f.

i i$iF t

ul..

t

+

....r

+

+

+

n t

+

8 ~un m.

t~ D

~

PU e

.!H :ii i' 9!-

IL r

. 'N F:

iii:

HH

+

7

tn r-

+

+

+-

+

--. +

+

t

p -.

i

h. % 8 h

II!!

'iIi "E 'N!

'+

NE :iii iii iii! HE Hh J

+

.n

" p' 1

n.

u s

1 un

", H u 4 'm :

"1 i-

..-d ~..

i.

n j

E n. :m..

+-

Ia..

~.

. ;,

n..

4

+

un

p. :.

f

+

i N)'

iHi

'i!:

' - :;i!! : +' : ::i!!

1 i

n p2

-' "i!

t

. iiii. *.

t. n p-." ij i' 2

a p' i

W.?

i iil: jML@@8= '

'. R 2ii r

,3 0'0 jiii i!I !!!!

~

8 Sv-DiRhN 5 1MM t

x;

/

- p..

n:

. n... n :

ng, y.. p.

, p. l., '

.r;.

n.,...q.. n a

. f,.'

. v. :.

ng

n_:

L n

.n:

n 3

iiH Mi

U.

E!4; iHp iiii Hi:

Hii ii!! diu iiii

$. (

+

r 1

+

+

(

i:i: laHESE PT5L

H, :ils ;in;; b.:t.

. p;d.i.G....A. RT.. J. 7in-1..w,;

H i

p: !!ii 4

jd t

r

+

n.k;. uud = un

. unu:.uc 1;;;;=

u;

.n ac.

t g

Og N

DURING THE PERIOD 8/14 to 8/17 WHEN HIGH ALPHA

+N T"

m..

REACTOR WAS IN A COLD SHUTDOWN CONDITION.

IT IS" N.N.. hN "N

= ACTIVITY IN THE PRIMARY SYSTEM WAS OBSERVED, THE e.4... fq~

.... M,.. M J

.... r. 4'.

S 3

2:

y C

BELIEVED THAT THIS ACTIVITY IS DUE TO RESUSPEN-

. :w:

m NiH i!"

.y u

~i V

iii SION OF MATERIAL FROM FUEL FAILURES, WHICH

+

] OCCF.ED DURING PREVIOUS CYCLES AND DOES N T gi: ; ji:

m

'Q

'. INDICATE NEW FUEL FAILURES.

SEE REPORTABLE

..e D2 j OCCURRENCES 80-6 AND 80-7 DATED 9/12/80, q~ -

~

s

..-...p.

...n

~

w s

}-

h 9

'b gf1.162250

~

1 y

9 l

IF

/*"*M (D ( b

.i

[

.t-Mn

. ;t.1.,..

g 4

n.

.t.

.iyi O}.

.1

('

.-1 T t

9

. l..

A:

(-

{..

... g

.N.;3

[

f. ::

. ',1.h.,g: ;; : n. :...;,,,.,m%4....

..i-A ml..f....

.. h g.

..]-

[:.

,g.

x.

g 1..

--[.

j

1:

1 g.

0 5 10 1S 20 25 5 to IS 20 25 5 to 15 20 23 S to 15 20 2?

S to 19 20 25 s o IS 20 25 APRtLg MAYOO JUNErg' JULY W' AUGUST %8 S E PT E M B E n fb 4

OC TO l t ] 80 Noyg u;t a OY DECEWLEO N J'NUARY N' F E " ': U.*.O Y 8 MITCHN' i) 15 70 25 M to 11 JO 23 3 10 19 20 fa S to 15 20 25 2 10 12 20 25 5 12 la 2? 23

+

i. j p ::y:.....:t;:

..::b...

. n_.

_.l-

h....a:

v..

i, - ; ;

+

1 n 2

n

r t zuam; it N i - y

i i @.f_f.

i th:

diii 'n ni" w

1 Il [!

i V.

l:.

.ik:

dii H.. ii.d.. p.

i

.H. i. !.

.. p. ;:..;.:

4 gp ip! !..

• , + g. !;jg iHg d!!!

+4

p jig L

_ii t

m

+

e

~-

maunsan.t

=

=

m m inij i

[-

cl '

-.w A

un.r.

iii g

_a

~

U. E.."i'

n.. ;. u..4.

ilj !.!.!

LACBWR THERMAL POWER 4

+

l t

S = REACTOR SCRAM

~

i

.m : u... n,.

a, t, n ;.

c.,:

a. a.

,. n :.a. n.

.:q SD = NORMAL SHUTDOWN i

1 a.

.g.

au.

7.i

..w-

_=

r,

. : a y

i 1

i

+

l

......: :.ih!

i Hi!

c HH Hi !!!

i.li! ji!! iiji :n, : e' "i! 'il

!!!! ini

.y np

g aj jy; lpi gj fii gg i!!! ijij !Hi gi! !!E l

'g: iii! Hii

.4 m.

.p: ;p:r. :n:

!a 4

au 2..

i

r!.

1 nh a r-

.:n n n r.

1. n.

-~

+

+

n-7,,

..r.

' f::

,,1; a r::

l..: :l;;

MI:

t

'it:

nr

.4.

a;

. 4.

ii

i-i

+

u: :!t

• t*

t

tn Itt nn

t

"t* "+2 d

ur b

IF

.' iin inn iHi

.i ii; ii i ici !"

i np pg; yjy

. 3;p jjjj jjg U!

ih i

i ijjj p;;;:

g; ;-

3 f i

q.c: :

..i.

+

....m.. :

x,.

e. t.n r i. :.

y

.. -n.

r.

n:

. i. -+ :

, ~..

J.

1 1

i.i.U..n. =...i.i.i. i:

i.i.i.i..-

l.i.i i.

li.i.i. p"n :. :i.i.i.i. i.i..t..

.u.. i.

p.

L 4

.t

.m

+

4

.pp ijg.qg !w gg ;g gg in g.j gg g tt f

!i" 4

rip :"

• i 5 u

.J t iH iiji ini

+4 i ii._!!

F jiii >" ini gi:

l i' i

4

= unun.;;; en :n nu.au.: hun. du.. :ruah;

.. n

=

- =

p eu n N'~

4 n.

.m""

...; 'n

-e

.u=.

4= 1.

mi iiij LACBWR OFF-GAS ACTIVITY !

"v..%.

1,

.t

..a i.

t wr 4.

!il 4

H!:

ii t lu-gi i

+

IE Mi 1 Eij !!!! !!ii !!!! !H!

H2i i

4

=,.

t

- m:

+

p

l,::

.s.

t

di.

.

.i 1. :. :. '. ! j :.

t.;;. p.

h:

!: n':

.u-

. g..

=..:

n

,. h-n 1

t

. E gg gp 4

2 g; ju jig !!!

Hjjl

~

gij

+

iiii

,. Eiii.El '

24

'til: an ;....= ;

iiriin:

u 1

t j-i I"

l.

.~

REACTOR COOLANT S-y ACTIVITY [

'"m un.a...=2 j

..x 4

![:

i

+

i: 2 u-gij gi; e yw up

+

=i 99-

.a p

.4:

jji g i

ghi G@Thl.

THF n;;

Ei:in un iin in inn w : iniiii mui!!iliiiii c m FIGURE 2 - LACBWR REACTOR COOLANT AND

n "m g

+

i m:

~*~

OFF-GAS RADIOACTIVITY DURING n.

1

't'. ::..

~ '

CYCLE 6 (Cont'd)(# ate Scale C6fe)

. p..

.;u

._. L _

_u_

~-

. 2.

= -..

I

I_ -

-..t.-

j l l l-

___._ L.

.lr ! j-l:

. - 1. : L

!8-i L

j l

.I

,1

. - },

1

. I

[ i i

.r

[

,r -

. I.

- i i i

t i

l

,I_'_i-.4_t,

l l ! l

_J, j !

_ i. _- l._

q._

! L t

E i

=1 I' I l ! I I i I !

t i REACTOR COOLANT = ACTIVITY

_ _.. _ _ _ _,_ +.

f

._._,.__t

__. - _. _.___I'f l'

.l l

!. i.

- f. k

' i,.. } :.l'-l t.

m I

I b

i f

s e to t'

20 2s 5 to 15 20 25 5 to to 20 25 5 to 85 20 25 5 to 15 20 29 5 to 15 20 29 OCTORER &

NOVEMBERf DECFMDERff' JANUARY 8/

FEDRUARY $

MARCH [//

300R ORBl W -

MAf lJ79 JUNE IS19 JULYIB1C AUGutt l97?

SEPTF M D F R l$79 OCTCOEA lC7{

O C 43 29 12 S to 15 20 2R 5 10 15 20 25 5 to 15 20 25 S to 19 20 23 5 to 15 20 23 4

^

'I 2

2: '

UNI

,5

/

....pi.E..

h!

.. ~ *..

.-i:.. e ::

..l

l..

f,.

?..

7

.. > 2L t

.4" 7 l:.-

.2 a

4 n

to n

I"

..j HI!.'3, H!!

.i;.

.n:

• p.

' i. i..ri.'.

+

4

..:; p.

4 ns

+:

+

!!!! si t

ni;

e. :

+i iiii iiiii iii

+

N

ni-=h:

Q 11 T,

+.

n. ::

~

t.1' i...

.y.

6.,.

d..'

+

+

+

r

.:h n.

rt 1

i

'I.

1;I'

' M,

t::

? +

t::+

' t :...

+

it.

~

g

1+'

n t

q 8

t***'t i!!++ + + *.

+

.I"..

8

1:;

n.. +. :

U.. :

!i. i. i,

• n ihi 4

i (N

ii!

• 1

+

.i 1..

1..'

., 7

!;i'..

' ? !"..

I k

k..:

?

5

+! 'h p..

pj{

. jjfi gj:

I!U.. l:p t

t 7

6

n. *t :..:t. *t.

."t. :.

nh.

n.1 :.

'+

?. t. :.1 :. : '

+

-+

n,,:

. M..

q 5

+

i' I..

+ +,..4

.. n.

1..:1:

4

..*1 :

1. +

++

+

+

+

t 4

i...:

+

nh

n.. t. t.a,h..

n.. :

t. -

t.. :

+

i

.:.7:. :.:t; it I.t. n..

i

. :Ef::

. ; ['

A ::g'

+

J 4::

.fa

t n n [.

.!: A

"' t. : -

t

':,'g:..l::n.W C

%:\\.'

,'. [* / N "

• tt*

• t+:..::

m..

• :N

t:K' 9

nt:

.h h.?

~:n

. ! / -'

h' n ?k/::'7.'T'.

/:-

1 Y.

a.

M

.nj Ii. nt; i...

r A

a c

+-

t :

n.

tit: tn

p:

ii

ii; il. ' IH:

IM i

!iOi :lii ih im

• li ;

PN k

iki !!N N!! iill i'i I H

/

4 !$

i hi

~.$..

I

li! If '!hh Mli!

.t lii IU Nh!

+'

'..t' [I Iiii

!!i Ik

+

+

ff

' - + "

4 t!

. +:T*

M.

,,i.

r i

e

t!.

n::

1.;. nn

p.

n.. ;n.. n.; :. in..n.y

p.:.

!!Ii di 2

5 iiii

'i. '

1 hf!

ii III! I!!I !!!i liEi 'N idi

n

. E..

1. 5 t h. -

. ;n..

+

L..

+

n.. ; :.. +m

n. :.1 i

j,;:

i;;

n:

9 83

.... cm.

h!

g

iii !jji it

'

iij;

~

qu g

g t

g;;

82

. + *

a..t:. :. ;:r.

?.

p. :.

+;::..

..h t.

p..

+

++

n. t.

. i. t. :.

!jj!

pjj 14 t'*

7:

{p

+

i

+

1 80

+

+

.n

++

9

a..p.

+

.n. p..-

.1.

.... nn pn 4

nh

n;. it-

. h.

-h:

n!

n o

.u i

A-i r

+

n

\\ob 6

.... I_

• I

. ii:'

III' h!!

.

• llF

+^

^

'i

+

N, 'ih ll1 ljii i,

'iii !!! ii" Fi

+

+

6 m

!.!.i. i.-

.I !.

f i. t. '.

ii..

I'

.l i;

ii!-

H-!:

i=

iiii

+.

a..p.

\\. :i.!.

'~

+

g iiii

i. i. !.

i

.2

+

u..t. i. n..

i. i l

i

.:n

.i

.l:

t

+

t

..o y3 2n

.nh : :g

.: A :n.

.... q -

j

. &),

. y j,

g r

, /

n

k 4

u m

i..

,o 1 e

g::p

+

4 g

u g.

g ig ;. 7 ;;,g;; -

3j

.w 2

Ig j ;,

%:, 3 g.

-g np n {.:

.c A

u U:

e.N:-

n

, \\.

-/_.

H p: :

4 V.

4

g. a oe g

. :)

.... p o

c n:1

n

+

p

n:

up:

n_or.

,'.p"-

tn

. - :::i t.

n c

g, 0

," 6 n

• n:

.b i

. '. i:

.a

..f

u.n..u. n..

t.

.

n'. :

~

Oh it F:

t t '* :- in:

+

+

t.j n..

o3

t.h.

2*.+

?

, + +

t a

u. m :.:.

g,

M it un L

p!

t

• l::

+

i iki i

!!k ' ?

!i

+

O T

bi!*

. !i i.k.i. !.

(

i h.. '. I. I.i.

li.i.!

+'

f

y}

~~

b

!!h!

! {}*

. ff!

.[i2

?

i 1

Pi t

1 -

7 g

". i.k i i

I'i

+

+

2 '

+

ibi iiii

+

1

,t.

!..* t. :.

4

.l

..I:

.)

.1 I1 1:

' [hI

\\.

i i,

i f'

l

.l l

I I

1.

t, y

e

!, {.

!I I

]

i rn.

I l

I i

i I

.I W] [

. I ' {... ! it

. y j l i

4

+

i nt!

I

$$$i

~

l '

5 to 19 20 25 5 10 15 20 25 5 to 15 20 25 5 10 15 20 25 5 to 15 20 25 5 in is ao ps MAY $975 JUNE 1979 JULY 1973 AUGUST ISTS SEPTEMBER l$79 OCTOBER ggI 20[R ORSK

Peo'cuIta 333 otetuum e970 Januaar K B0 -

rrenuazy 1960 Mar.cw coo S to 19 20 29 9 to 15 20 25 5 to 1*A 20 25 5 to 15 20 29 5 to 15 20 25 M..t:.n.. h..

. } p..f *t..

h

....:!n.tn..

. It h, ;}!;

-l

.' l.

.:a 3

,a

• '-;.t. *. :.

. !' Il !]!

• 1h

!'i; il'l

.(-

g"b'; ' !::

1:.

d *

4 nh1

+

• • M p

Hij y;.:

. jij g;; ;; !i!!! :H[ nM };2l [yj !!h iiii

].

t,t n::

I. n...:

-i t Un g;;;

+

v-

.m T. : ;

j..n t.+t t.4 1' *1 *..th.i ;. [i..

.l.i.:..d.i:

• t. t !

!;I. ;.

.n.. j..

!. !i.l.

.. H.

n.. :.:

.*... *T.

a. 1 :

7

. r. t

=

a iE WH_ g. :;!;

-. - iiji.Hi iin.e ;ili ig

p ;;g Hi Hii !!2

di

!!n. n;y i$. jiij ijp fi}j ll#. jW

=

.i!!

+ r! n a

n u;

f:.

?

i

%t

.lt

• M

f.

[ff t...

.g

..t r.*

m. m

. ;.,~

,. 1."

~.

e g;

REACTOR COOLANT DOSE F.1.

2. -

.m r"

"5

" 'id EQUIVALENT I I3I ACTIVITY f .?

m.

g 3

ifb N h!..

53 [ t. t-

11 1

Tis at-

. M

. m: - i; c.. .. l;.

n. * ;.

r.:. + + 4r

iiF IITj hh i!f t thi tw

!!!7 t q:i i-4 ..; %+ T f li NN INI '.N! % Hii c .... Si! ". Ni! +I iiE! NN it:1 ![i! F .n. ii' HE

• 1!F M!i '..

i c i + 2 ....9

.

. h.,

+.1. n.ot:

• :. 2, 2

n..:.

t. h..n..n.:..

g

n..u.r... :1n.,

E!

.:1 ..t. . r n..a.. n.

n. I.

i t !p:~ :n:j::{i:n; ;ih;.;;l;: n;;;;- ++ nj ,~;4

a;

.,u .n; inn .'r. , r n. nu n.;.:n n;-

J,...

..~ ~ v .n. p '...t;f ::11 nn-nu r;n

!tr *ft; du i;

=

t::

+

n.

L

.3 .t. n..n.. p..n. u..

n..:.

.. q.. yn g p. a:

n. n..

n. :....

n.. p-

+ 1 . 7pp, n a / 9y ~ at: n .. l. un ut; u /;t/. 7 ;;" K f .7%gg c.".*,

> ;+;. ;.N..,'ese i -

.,, ;g y; ; g; i

. =wpe -

q.,.;

~~ p -{. e .n* ..., g 4

g; y,,

g..;,gg g.,;

t r; t .4

4..

4, p,, [.*.,.g jg gt} } .} - l 4,;, ;. .. g l g. g 3.,ll .. l' i {4:q

4. i.l.,

., y j. f' ^ i l1.. p, + + e i m i N !k !Ei i !g! ij{' di'!: . : w NI! t h IN N.:iINN III! iId. iINI +

b. 5!i L 4r Fi! 'Ni NN NH

.h.p e HL.iM pu j, 92' ih<! 5~ . iii Ni Nii bih 't )f! . t 1 F {'[ fif 4'f [iiN [.!! M}i jhf NN:ih; [tll I*

• t r

/ t t i

,I..g.

I. p., n* .1 } ci.t;;

_.., ;]

+;+ [:

jt d. p;

,; z.+- t,. t.i ! ';{t.:. h.. {.

. { }....t

~y . 1,:. +j t. ; *. sa.

s. 1.?

+i J '.4 ' ni

. :.g:

+ ". n..t. i.;. .' t. j...)s :1'. : ,..t.. :!.::

lh..

+ $ n.. p .t.. t. t en: q. .p, ..g[t: ,4 ., g

.g..g g.;

"it n ' Mt lit: 11t t:

• rt! !IM !?'t !!!

++

tt; '*fM Ifn fu dt! '*b

!t. t t..! !h..*

• *U

'd ,.3 p. i. }j

7. [ y7-

.N* gjf g*: ;{p 1;' lih !Nj y i[ [ ifij y f

• [H-M

{ [ hi [ [i: yn ij.y hH 4 ' '. + ^. I. t. ;. .*r**;;;

+! n.

h.

n ' :. "; nu., :.1. * +1 .t i. r. f. ;. 7 tr d3 tgg

n., t. t!t1' o p*

..g.

• * +.. I ' ; +-

. ! ' t '. d.. !.. t ++ n t! ,1.. I i 7+.. g.. g,.... :.n. n.. .;7 :. n.u..:n.

n..;:. h..

. t t. i m

1.....

t..

u. :..,.;:

.4 4 c ,e

n. *n

. n ;.

. n :.x:.. n..

.n... - a.t: .a.. up n. n.. .i. t .a m M t

p...

H h. :. !.4 ;I.

4; ni.ii iy. i. Hii. ri., in? H. i.i.:. t -

.n "t... l. H. i U +i e:: i, U !:n in 9 H. t.:. - F.

n. -1 'n n

f. .f*1 f. $1:I .I l. I t, ' ' ' M M UII 1111 ib 1d1. . _.b

t E

T. ._3t ~1 REACTOR COOLANT I I31 ACTIVITY m 2" i.i. '. i.mi

jr n::

+ tu. 7 t :p Fij '{ iQ +. PN dii W! r e i q; 4 +~ +- + j. .m R iiii ?

pi 2

• . 11 1 i i

t + ,- di jit!.!.jH -!jii qi n; [iii iiii t[ UH i .ib gn; F 1. i!H '. i-i!!

g p!! Hij Hi+

jji; [

• ~

t il Hi i

!!! Mt. Gj

, jyj h,jj jjg jy [/ 4 n y + . W:n;.gi , g Q.. 3 q n

fy.... -,

- g .:t. u- .. j fy...,

i;. :

(..tp (n

• 3 p;; gh

. g 3. an r ~ 1 N d'. ..N l.: .;N ,,. m . N -

t:

M.

• /..:j.

..A

n2 A d

::E.

4 4 I3'

1 -

+: 1:. :: n' t. a: r u m .. g. ;ng. a g y

s..g s

m = .. n.. 1

y. !!i 5 jn ih!

jlh ini gg 0 p., =

i!

i !5i .,: 'iii ni.g :lii 24 iiii jiij

u. '

p 4 t Hi: q;

m C

gp 8

= 11:. * ~'

g; yp o

id.. : lin nf Si im. . *

• iih ii-
  • t

n. a' t :iH iIi'

. 0+: y .i u. ,.m ,nn m g ~ l + ai:.o FIGURE 2A-LACBWR REACTOR COOLANT AND F ~ ....i. '- i OFF-GAS RADIOACTIVITY DURING 1 CYCLE-6 1: +

r. **--a-"-

n" ~ ; =_. -*~ n n =+ = i n. .- ~*:r "' m r*- ~ z: g_ + iR ? '.f' l' k f l f f' . k.. 'l i} . l. >f.:^ l' i ' 1[ -f. E ^l.' .f } I. _.. _. _k - } I -l' } ~ l }- l-f ! k 'I f:. q s to 15 20 25 9 to 15 20 25 15 to 15 20 23 $ 10 e5 20 25 t IC 15 20 2 '3 ai to 15 20 25 ) f40VCMBER 1979 CECEMBER 1973 JANUARY ISM F O I i9 APRIL l%O N1 11 -

1 + e LPML N kAY JUNE 8 JULY [ AUGUST S E PT E M 1E st l 9 IO l ') &3 E3 9 12 13 23 23 5 to 13 20 25 5 to la 20 25 5 to 15 2C 25 5 to 15 20 25 i 6 i .!l E O i !! iNi:NE iiii 1. 12 2 l t !!ii liii diI- !IN-'jNi hi III! !Ni dN 18 i@- 2 q si iE ni HH !!i itiSiM f i E -- C t ni-iiii liii in! n!..Hiii iiii !i!! !U! mi + iini mi tili-iiii iE = + n ..i .i t n .ab. ::. p -.q: p. in m nur a r;I.: :a t*:p; n: .a ;p uh na

n. : n nu t.n nn m:

p:

t.#. nu t#. n: ap a q..In un

h.

n.t. :n .n u. .n ua.a

n. n nn :n r:

Ei: Wi 2 E M i!!! iiii Iiil lie-Illi 40 iMi Illi EIN INi !!ii E mi !!E d !*ii !" ^ Uh Hhi 3:i ~ hii ni 1 Mi. r un:

a: en

.n.

a

!rn-

' t. :- nn du ::p: i::.. - -1:e :nn 2.t ..t np ta dn

tu ren nh nh: en

.a. nu :. -

iii. rn an a.. u:

u-tu; 5

r

.m.n; n un u p- :m +m m.. un p: ::p:*

u n. :p In: :nu:

...a u p+

p.,

.n

tn en

. n.n. y. 'O

liii pli 11 5 4tii.i!U ri; iMi iiiifj!!.!ili au HHi

'i.ip nji iMi jij! n!; iiji iiii.iHi iiii i[p ;.

p: ::n nu n!

Nii Fii !!ii tp iiii iif n. M r;:

n ip; gn.jn e!n

.p:m;t" :p t.t: t :2 tr +

u ct

t;

-. c ......n.: :a; rn:

..i a,:

n!r:+nj:: :lt: nn ap H":::":a din up nu zu: .: ja: ap :;rh; d:");::n;r l;u. :... .F : atr an u" en rin t+ H: n n t. .. :.a: V . c.n m: t u.: ttu un + *: .ut it.: : 7 :u: an

s:

n. mi rin.

n;; ra: un..m t :- gu ;tr :p; tq Ju

ri

d"b; ::ji:

}n;

n: 4 .a. :r-

t -;nr!n

.r:n an t

nn qn nL ttn : un dn nt+ nn- "n: n.:.. n w en+ .*"ih; ap: m g "- d;: tIp-

n. rn r :nr un + nli

n hu

. =. l n. ~. nu :.n t ^ Hil

12 0 :Hi H!I IIS Ei! !!Il fii

= !$i.!}il !E! NN IIl I!i! lH.IH!i :ilii 4

m.:;n: un ilH

'!IN Ei! !!!}.tiIl !E! !!N I[f! dE II.!!?*r ~ i 4

• +:

.n-

r:

y:.p: un- +" n n e

t... 4.n.;p up a

:n

.t-.a

tt qn :pn rp

i. n.

r un :n: an a., r.n:

.n..

n2 an

a m:

nh nti "!ip: n;: nh: nn in-nu-un-n:- +- nr4 a:t en :;lt

Ta tr

+ an +n

n. i :"

r" 6.t + r-rn: q. n un u p: :::..up: w"-~n au

1.

na nu au :n au nu na 4 .n ..a p:~ T: Q .. p:

tt:

tri au pn m: a:. tu-rp; 17"h: QJ J:t;t in: t.. .,n r:;

nt ar ;rn n;; lyh:

t y ;.p.: - n.

,p n.

+" nn

n:

an ut:- nrr

tt: an un *m an

.t + "p. :a: ga nq v + yn ny "tu:: e 4 nu np m.! :;p t t - e .. nr ..n a 1.p y' t-nn n: nn tur un nn nu un

nt tiil-i.n: :{u

+ un an itn :... :;n.m

n

-

,4 y au ni.; n

p...n. a

..,. :;;f. nn i: r a:; ntt a n: tt + t "a n r. ::.. i;q.:h:t :t.n" :;M+ R y:

+c.n.

.o. up ;rh; edn:n;qj ;2h: T: jijn

ta ;jfi t

j-ec t

r n u- .;o +

l;"il j!ij nu n" "n.E ni.

ut. ...in :tt.

tn tnt

t; nn r-m.

tn h n.

.ni .3. .... a:n ::q au n

ip:

tp hj y :- un t. rF:.

t t

r m -r :u: t. .n ,o

m...:.r u nu.,n. a.. a:r.

n. a. e.

a.. n :' a..: a..t.. ;

n.; ;

t .t. :n: rt.p" *n. u. n. .n .. n.x:.1.: n.. a. a. a. (en .e.t.n. r;: .u -au n .. - a.. .~ r. ,4. 1 t,. r .A..m., s u,2,:'..g

n

i. n ;.

. } l e. an o n...:.: r. -:pe. :.. . /. .g.C,,_

n. p :.3.

N, r /..

u.1..

a g. ,., %.u... , +, e i. o; r...u .w...

t; :..

nt:,gmnn n: - t: .t:n m" tt t ttt: nn un tte nn'

• p "q -

e'.p. .. :n m .o. 1 t m

g4 q::

t t.p: ' H. .1 { '.: {j :. i +- {t

I 6..

J U

n.: n.

H' ' t G

gl;: vg la! .h

h;

-W e{ki !^*th' ;iln.

iIt R. t' 4:..n; ;ng Lj. f;:4: n {.:

R. an v. .4 . ;iih. u..-. .. d. t.- rm r-rl..

t

.n .n er .it: t at.itu E n "r - : :+n

tt: n:_ :q

". p: d.. iin,{; yd ag 'j' W en i:n gin :iu.: h: bc h'Qu p :q: u;. n tj + an::n:. tn.. nh up:

+ b; :a :

r"i

... a t:

at;

n-a p

..:nt..d u-

>? r.fi

t. n m.

:a a"1 a

th 't"

t. r t'n

tt n.

t nt :Mt

tl n.

t" :: r o . r r.m C an

nt-ttu nr tir: n.

t: /6 -., +;"

tt: h u. -t i.

a.: n a..

a;. tp: -;"p' t ;:. a:p :U.

'q :

jn n h; n:n:

!a.;q ..; p:r nt: :.n

ny1 4"1 pn q+",. 4.p

r

lti.H' e.

n :n:. gn.;m

p; m n

. an qd 1 1:r

.n 1 : tpn n *:

"r t. n-t u

- un:

tt:: ..n rit

e

.n .; t t. rn:

r

/ ... _. m .. t....

m...

n. e.. n..u.in..

t.

g.,

M ;t. :m c.. p: ...a.- .d b, ..... un.d.-u . 2.. u. n i. n.. :..I n.. +.! n n.m . i... h. .. f i. n<. ..e :..:.in-n....+:.at: til..u 4.. .rp: M.g J.

4..,

t.;. :.

..n. tn :t au

n t

+t y:

n-rh: :jn g,

a u t. un.at au.:.u ta: en m; nt: r;:

n ". a an n.

. nn

.:

": - an

in er n :- ntt

tn an t;n t:. tfr :* :i.

- nn n m . r..

tn 5 ny.n.

qu :;q tr +t :- t

n:

d;:n. y: : a .c st}, i t+ - n p-nu m %

u n ::

1,p: nu

m ou

- p". ...1 r;i; nu tin "p;: qu. m, -up: n. mt :a: q itu.n:: un r un dg Ha

t. a n.

t.n tin t : + nn tt.:

n:-

~ .. un m ne t++ n. trn-ne Mu

u

a;; .n.

u :n,

e. c.

p

,p dn ::

un nt n ng m pj: un ...:. E" "H' +hn.:jn "Rtt p an..t ; a::

iu gu rt r

t un '4 [~h c. n a-tt. tih ~ m...n. m . + na e t e na --. -t..-

tn n a.

un n n-g g _.n:.": utt a. t-en n..n

y:: 7.in :j -

ru: n. ay r.n

In

,a; .. nn a.... e':h n;.h: nh "f n; un.:n: m: an a: :nn an u *: :n.a t... a.:n: n t; ar .;r: .... :.h: "" c:

tt: :n tre nn et

-nt: ::: tre ::h

tt ut: :n. :n:

t:r m r"

tn ~ t tt.a.n r /* p: an a n. .m J,,n

a:

'p:...: n na - an pq an n+: ut. un p :.

t u.,

n y

.pa.u. r-nh un.

+ .;un i{p

q:: :qa un :: d

p:

rb: n un au

p

: ;n;.

. n u t- .n un mu..a

tiri ;in ift: nh tu -ni tnt te; nu r-

n :2 t.n 4

~ n V 9.r Dti tin ;h ....ut. c

u:

un ai: a:. in:

u:: .i.. nu

ip:

p-:.I; ': o

;p:

r: an nr un ttu tn t

• :rr Eh n.

nt:

t: :tfh un r '

u v ~ r+ ta : -it t n:t

"n u a

au-n;:

n

. rtn

.c a t.p :tn na v iE"- r-E r: n qu

..; np

.1:: un ;tu :m +1

,.t.. m q-an nr an !j :: ia ej. u r. .n un :..: nr nn .tn n.: E-th: un 4 c t r. ... un ut nn nn m 9."

tn.. un.

t.

t. n..

,a.. .. u.. 1 "'.n.hn.tn*,.a m.. i. a. t o i f:t

u. n.. :.

+. n: n,. : ' n, u. n.

n.. *,u :n.

m. c.

.... v: t..n.. :. e. t..nt. h....t

t. i. r. t.n..n..

3. 't. :. n..u..

n..y>...t:. n..:n.:. .... ::p..v.u..,..w. 4 .t:. i. o .m }..,A.. ~

4...t.q.p.t.:an. p.h......t.u

. in.. ..n.h.

b..;

t ta

nt;. [h.

d.,...u.

nn

r. r.., h..

u.. t".

w n;. y. y .n..n h...d.e n..:nt.n. a:.t.

• r-t.m.

t..-.:

o. ..t .r g +'

!j-ig

._, :ju ap in:

• n tr:.:n :.

H" ; up t

a., ::n.u.t :n: n ..m m; up gen ]":: ; jj..M

.it i:.t tnt de uh

t t :t i.

'. n.

• tt ;

t. W

tt: :tn nn h:

t" -. un :"* nn

. !r!

r. ;

. "n. j i b..' t

.c nt:

+ N ;e"

t.

+:

3. :

/...: np:

p

t nn. r" un .... nn .. n. un :g:. p;; . nt:

.. th.t t' :

b.

!. r N

. m-nt! :tn 9 tp: !.a *-::: En.~. t:; tt.

IU t + ++

t.n 1:t. +C + r. it utn .. M. :

h..*:

i ,b g un d .h N..g:p:

n 4r

t. :

.1 jt: h4

.n.

.:n t

.:81 ,4 y,: ~ r.;5 1

}. n e

e "je

d. :p?

p)-

aa

- tui

t;.

y"

'"4 .. -t an :w . Q.. + c-. L ym - n ne u 2 ra .3 ,K ::m [: n. Nr y.. N/' . j]. - nn n-E. / .... a

'5 ja.,./:

th - p up {. e,j $ .m u :. .n an - %9,,. m n r. nn up

!. 7]

t ~ 2 -n:n:

nt-m:

4; a-y I i o n i"n r

t";h.

ij+i. .It.u ijn m nn un n.n n;- r up,n;: az.

b

-,a: :ih: upa:nh:- up

o d i p

nu. n e t.i.j n t ht n o. J. ttu an tr: n. .H oc m: t- "t.. n a n t n n.t a

n-on

.ui u: n a [p.. :lhi an :n m -*:.gi.n :pn. qji n di. r:a; up; ;j'h :2" trya a: :. r3 + n.. an qp

a. o..

un un u:p.in

u. t:,n i!

ga g

pn: :n tN.

.a: "a an nu c-r ":; m +t. t.a tn mt

tn :.a t :nt en irta U*

e n: 4

a:

t suinr.n endrht-n r-n- "n t:.i o y

t...: n; :in gjn up na ejn m: :n; jitu nu itu?*lu Un in: q+:

uph: th:

"b

jt}j un un n4: ra un n

t.h M4 0 m; d nt: "+t tru dn 9" 4 - n.p a + nt: ntt :.n ..it na

nt :. tt ne ttu.nr

nt tu: t n.

q.u ua o ..u: ap up ip:

u un

.... w

p;:

an a.. qu en nr.; qu an m hr "; r u...;: nn un 2n: un t.n du ;ug :; h: ;p: au rp: nn an .ut r .ut m: :"m ag :qu

a m-na.:..

.n.. 1... m nn p un.

.n tm nn un :n: m:

e: nn a

tu! th: - an nu

!. - t'

n*

n; tu

.;... :tn

in

a

an.t r :

. r. no..a.u-ru n..i.. . t. t. :n! .... :+'. nw n::. +

n n

..t.

n mj t!"h:r:"H.i i.p.t tm n:t un

nt un

.n :. t.: tu m. uni ::iJ: MI in- 'm,nu.:qn :;n m mL m

n ta: " ".

m:

a t. : :r.:h a. h...::::

1. :. -:.

. h.. e n. d. h. + .i.. 2.t. !n" ;. n h.

n.... h..

r. t..

t *.

r. t. t.t.:n..- :.ie.

t.y. t. r.ne th... i m.

.. h..

t ! .....m... v en..e u. h... n..a;-

n..t n.*

t .a t, ao e r

t. n -ii: :.:

...w" t, ne pd': ;.t.. :in un :m un ,_4 un

u i ;:

'+ n

H:

g ! 4..ar:

q *In.

it : nh :pi n... a : n nn.. + nj; i n.. p: ... ; p:: ..f$. t. n 9 "n . t :m ut: t:n un + t.o tun n.:

.t t"+

r

t n.nr

^f ~ .....n: .t e+a

a.

n up: :n nnh: yn m tr r; nn :.

• . ". n

... 4 :j. t:

y:a;;tju un -qp: Ijn ::n up nn n

t.

a dp

• ne r:

"n m tta r :a: un

t..

a:

+ t: n.t i gt :.

a; n n:

O

ia

n

q:'

r-I

n..-

.n..u...

q:.

dp: an dn nn tr: ..r t:: ...jpn: .:r au 1:p-u -"t **! *j u ur n;;;.n: mb n 7 e.: '... ;-fl t't . :*t: uh +' + n. 3, i NN + E iN $N IN! NN Ili N!! M iiii NN N! NN EN E IN! NN Ili! Ni! [Ni E 'i HI liN + ( iHi as W: fiji j!jt: ijij igi hy ijn p up iiii 2 Hi L iHi a \\ f .a i .ot u. .a.,;. : n..an

..m..

a. t. :..n., t...:n

m.,

...t.i.

u.. n..

. a. t.,. y.. .g

n :. :

1

n:

n;: un

ar!.q. ::

• !n

.n. au t tn tr!. -!" "Mt

++ ':rti ":-.

• p: - 1:

t f*

) c p": an

a. an i

ar i nr."- -in :n

n:

-_1 n" 1 t;ih; .-.rn 1

In

+

.a. -t

t:

tn r-tt

+ rn + .a un an at; a.: tut.n :m un n a::

r:

j

:

L t L Mn

p:: q:..: p:.

2n 1::: Mn i...

-jj!

-i-

a.

m! .o 1. l.

Ij::

.pt :;n ..a In. jet tM

t*

r!.. !... :+n in: :!b t- ' ;f p.n;j 't:t; t: ..j:. .j n!j.:!n + "a lt. :-- i

!n t

S 10 IS 20 25 5 10 IS 20 25 5 10 15 20 23 5 to 15 20 25 5 10 15 20 25 5 to 15 20 25 APRIL. gf MAYgO' JUNE /M JULY [f A U G USTM SEPTEMBERy P00R ORISE

s e s / - CCTO Z n[Jd NOVEW;t% R Dt.Cf W1ED M JANUA"3V N FEEU&Cy k MAICH M I' 10 tJ 20 22 M to i5 10 23 5 to 13 20 25 5 13 13 23 25 5 10 13 CO 25 5 13 15 20 23 d IN ^d dii !i I i-rN!' ii l i

Hi iig i$ jtp p glii ji' :iH gp !!!j jg *+h EHF

= ,e

jc ir

.j Iii i!!!:Mili riti d!! lih iH NO iH !!!! Eli tid fili !!ii die j i i! E!! 'i! !!f i

a. :

~ . 'f. ;, + i; .;i 6. ^ .;i.

.k. t. ;

i l... t.1

1. :. *:1.1. ;.,. !.

• t 3--

. H. t.I. t.h.t !'. O... l.*It.,. ! '*. r!: 3..

d...

t .l1

.. *.tt

' + tt. ' .. t i.

t. ;...

11. t.

i ..t.*

i..J.

...!y. .. h.' l. .I. 6 t c+t

.-

a.. n..i..1

ftgt

t p.. r;p.

.i.. tit. i. t.:u:.p...1. 3. :. Q. p-H..t.:a.t.t 4.g ..t.

d...

r 23 ... !. m....m.. :. . tir.: 4. t. u t 1 t; t.m. p t..

m..

.m

- HT '. i U 'i i. t ri.i.u. l.i. L f !.

a.. r. :t!i

m. 4.0 t i.l. l.!. i.!.Q. P.1.i i.2{i.l.i. i.-H.t.j l.i.!. -'. i. i. i.1.(:.i.l 1 F. t. :.dji i. i.i.i.

ti u t f ..' E!i Edi !!!! !li.iili :lti !!E ii! Nil 'iHi li!!' tili ifM !!!!!. uh.h 4li ih! i@ --iiiiiiin

ih iE Hi!

5 2: !!N

p tii.rf

. r! :.n:.q:t.: g;tt q

1. 4.. - n

b.

r .. i. 1,. .y: !.F.1:.- d. t.. t;!,..;.f.f.p. .n.- , l. t..

t. n

. r . H. :.:.tt:. !. :2..n.. ! a.!. P.m... r .t. ..I.

t. :. :..

e u.. n..

4. ,i..,[. t.i: !,!j., gt. f,i+.. 3 lit... h. i. t,

.j.i N, n.].

!....p. t t. {p. ..i... !.~ n+ .. i. t. !. tet.{ M..

• . h,..g:!..' t',

. d' , il.:.

• p..

'1

!. *. t. :.L:t.;

d...::.

t. j : i. ;.

n.

p*

. a. ..a p c !!E Lii EH HH lhi i}N NE t!O Oli 00 ini' :iii :lli i{ij i!![ Uj @!j. [M if,ji @ d hjj ifi

• ii fi'i !! i i!O di! iiiii

. lig. jg. ..g, a:r :.

d. b.

,g:

,... e..n.. 4 ulc a .t. n.a. t. .c

tu

. a..

REACTOR COOLANT DOSE C .i .t " nog u n'; r .d: EQUIVALENT Ig31 ACTIVITY y"

n

.y: u+ .... n.. -a. :.l..h: n

m;m

• l

.d: nh i r a m. i !!!- flii i ii ! Un liii iiii iiii ! ['@O iis !H s

. :n: iiii nii Oh kn !iE r - !;

n ..*....r ;tTI. r*:g.! n-

t. T. i. ll.

!n..

.... n ..:l. .c , h..

v. it..

.. f. :.; t. ;. w.. t:. :.

!. t..i

I

.! b.

t...n P. t. :.

i.... n..

m...:

.It..:tt. :. +

t.t.

t 1 a.: "i.t :. I" tic .u t. N .o n n.

t!:.

.t t .l. '.;' k * ". i;. I'. tl'i. 'n*

qf.i o'r

++ I* tfh. I. ti I. I,.M'. i.!-.i '* b-I' n#'. t- ,jI-E ,lf.p:.} d..j.{p.. , H...!. . lit. u. p. gg:!.. O. h..

t, i. u. t. : n.. r.

+ 't t :{p. !:.. ;. Mi. :: y

t. :: t. u. !q.

[. t. +* + t. ..t. 3.

{* *:{n :}t! !{.p: gjIt

'an

]: :{;-

ut; c: u t;

.:: up

tt;

't. n j;it! ti}t

1

p:'*"

u n !+ : lt, c

a

,:.f ::;t t -j

• jji n,

.pt r 4 l .t ' t: tit *: itti it * J ! itt. 1 ' +-

I*

~~ t a ft !!!! ilt!. !yp* jgii a; qiij c!j a;

n.a N.N I [* f f..

g;,

m .;l. l: 7-m r

u ~tE' N..!

c: , y! ! !+

• !ii u. ;

'tq. t '? ,.4.i . qi.. Alyht..' !_':,_; !,;. .+' . ; h.. i.. : . :I *; m qI. - u 2.

1.

1 !N' n!: .}..'."

• t. 2. :
• t

+.... !' +. I

t

1 f+

t

I I

a. i' h I i[!i NN jy! f Nii f*N jhi % Njii :M hii jilj ijh h[ fj h fh fih Nji Ni! Iffff llf! lii' ,; hi Nh $ ' ' + ' h. }' ' fjy ii iti! n0 d". Hi! :in 4H iki !!n @ !": Di! iip Hi !!!! i!f

in ini ini jH! it!! !!ii! Mii iiti lii! nii ii!! ii 141 !ill Hi !)i! !!

! !!!i! % li .b. !IN. b l'h 1II Hi' I.+ H.i. '.tj' iW'. il.i.. H.;.4T. H.. i. -

0. 2i.G". F in Hi I.H. M..i.t.I2 - ;id-i.n.l. !.

EU ti l

• ! ;}}* i d. t...INI

!!!!.jj' "j" ![jj yr '..' N* I. Ii Ut-t a ..t. . t. t !iii ..ti ikif;. h 1 i i t ib . fin _fiH I !. l._

i. ii i.

? ? i. '

t. d. '

+' u ifN f N:I k h iH1 !!I i'iii Ob N Nb ' N if f 1 ti! iI i

• lp, i.n'.
• h-4' t:' !.!i.1i. n_ t* * +;'

-* h..'.* ;* p'.' H.h.' U.

,1 q'p

n'.'

.-p. t. y..

v u,.p' '.

n. I !.hp.:.

. p:* n.a':' :* n. -

!h' *

.t p'.:. ,t '. :l..t: t. n* * -

t-a r+ m. g:... . n...

a.. ;. :.::t-4

g. _ :(.

n..

i. g: Ti f.i ;pj ih -b N dii !;b lih p' pi; iHi J ;p !Fi '".i}l (.

{

; ijp.;gj !jijj y{i "...

yjj .*j Mji {N ;yj dy !{h My Hu 'tiin

4. '. : U.. p- '..j.. ::p h;t.

.I.N. T. '.1. l:d..h t.i. ![!.!p. '.{j h. [t. !!. '. :!p.. p., t... i. t.!p. ji; .*: r ' !- I iT,

j!:.

!..'[ :'i:.

1. ;;.;t.

~: ' t :i.

1.j t

] j +.

' M.

't' m

y j pj: ;p{ if % ':pI N-y fih ijj; b_ iyj iU jij jp 'j jdj ijjj h Ej j j m 2 hi ^ ..1 ;! *n* r {,t ' t r.: ::.'r:.M'. ' p' '. '. ~ f n' 1,j + :.U

ib-

M. '. L' M. '. n- ';* +. T O..

• U

...; t ;' .' I. M. i g'.. /

1. p.

,l ! l a.. 1 . jyi HP

. an

+: gi' dii Ni jjy idi ". d Hi

ijE jyj

.1 i}H @ ., jjg jp! Hj iiE gj: jjjt jH ijjj jyjj

g

.gg ... S.. :... { t g :.. ,..g. a .h.

p.

p

_..g.h.,

.{ 3 n.., rpm:

g.-. j:

., p.

• g 4.!..,.,..,.. : n,/,,:ru.

t., . a.,t.,:r.t, :..,. .J. .t. t. p. u..

t.

.

. y. +- . m,..:m.n' i

n:

L

p:-W".dH ih!

i+ HF .!H a inti ijk 1 41Hp :i iip. ii.

H :-

?,4 .... (p". REACTOR COOLANT Il31 ACTIVITY N N [:. ~~ ~ d

.a..

in.. :... I:a j a.u u. p

t:..:

i T: H.l:. ot .a;; a::'::!n 2 "t.. . t. p ut. a u a .n i!. - ;d..

i.

.

F iji.i

d..p. :.:.ji.ldF_liH h....

1. "1 Et' HU i.[i.:.i.l.i.j d. p.i.

!. i. i.!.ii. i!. -EP H. ;. : 10 id.. ; $1 W: i.!. p W d' + + . np.. ....:gpa ..g. .2 - %;.j a= P

• p:-

p"t 1.

MM un

t:.....

2. a b. + m tje...t

d..p t

t' g : &-.t

p!..p::

,;r . : i;.,,:; u p-3:. i n + q-o q;l ;!ii hL QZ1p: iH i. n iiij Hi! iiy..' iiij jjj EH iHi ini yt !!!! Hjy i!F tH: iiH: !ili !!!il SI! iH ' dii INi' Oi! iNi! SE 5 ^ i "! Ei! iiN

r. ! NNi ild bi fii N!!

il!

lF lO: h!.... Nii'.0' :IU. '.

.d. t : f -+ 1

'..a

-~ a 7 r~- c., r"h- ~ ..!. a:....- c .%. 4rI..n

t... h. ; t:

n. :

a.. b.. .:n. :.!!b. ..i.. c u d i

+I h

'. ttn :.n e n..

g e r +n . u

n... -.

M

g

. 'i.. : ~

3. I."

-; r. - n..:{ j r*: . lg . g :.:

N

,t,i ' : e u .,e UI I jh '![ ti;, 9: d'~

' l'

$ ^,

i I t 4 i 6 Jt: ' O 2 7 ' i iiiE lih U.'.. F,2 1 ~m*.e. n! + - ft-3. 1 r

n ;;n

...T.=:r ~a" 6: + m T' - ..g! ~ + FIGURE 2A - LACBWR REACTOR COOLANT AND 1 + + - 4:

g#

.g J UU OFFGAS RADIOACTIVITY DURING _ CYCLE 6 (Cont'd) + 1 ..~. . 3 h; { -- I-l l l l l J _ d._ l _.. j i t

F I

l: 1 I l _ d_l_q I' il I l h !! I i 5 to 15 20 25 S to 15 20 25 9 to 15 20 25 9 10 1M 20 25 5 10 15 20 25 3 to IS 20 2 '5 CCTOPERf NOVEMPER N ' DFCEMDERfM JANUARY [ ' FEBRUARYb MARCHf/ # P00R D M J

k.,.. LAC-TR-096 A B C' D .E F G H K L 3-Y7 ~ 3 13 S 7g 1.03 }A i 2(i.__ _I ~ 3-2 / ~ 3 21 3-17 3-11 3-40 ~ 3-13 3-/ ~ 3 - 11 0 13.IY 1 79 II.lal 0 O II.73 7.11 13.2y It O Wf( l& PIT 'li, I l 3-5 32 3-il 3 4*/ 3-31 3-43 ~ 3-5 3-3[ ~ _b 1.53 10.78 0 __[79$P8 9.71 9.1s 7.sil 0 11 20 _.,__ 6' 9 i 3 3-30 3-63 3-Yo 3-b y 3 l4 3-52 3-t& 3-2 7 II,1y o 1,91 o o 7.10 0 11.00 Pm n i 2 n@P3 I s I$D l-1 ~ 3-47 3-64 ~ 3-61 3-Yy 3-41 3-47 ~ 3-36 3-70 3-33 5 m2N

g. 22.

o g.3, g.,y o ,.sy o

g. 2,

7.,1 o

LeQ @i I i i g i@ u pm l l-2 y 3-7/ ~ 3 47 3 77 ~ 3-w 3-Y1 ~ 3-73 3 37 ~ 3-7y 2-39 o 1 31 O 8.33 S.31 0 ?.21 0 T.24 790 _.L ?t____t@ L.S. .I i 4 i I /0 l 7 3-31 3-7s ~ 3 *// 3 74 1 3-77 3 43 ~ 3-71 3-3 /2.o? o 1.yl. O l0 1.7y O ll.gg hl I? I I ll l@I /( i 3-31 3-21 3-77 ~ 36y 3-Y2 3 70 3-f ~ 3-37 8 5.31 II.23 o Vl3 9.lY 0 10.79 8.Jo W )'T W?m W% n@ pn i 3-2 t 3-32 3 20 3-11 ~ 3 12 3-/4 3-Y 3-11 9 13 25 9.00 l1.79 D 0 L?O 1 71 13.13 i

?g i

S 3 40 3 Y& jQ ZA F.of F.0/ IN CORE FLUX MONITORS Q PLANT Fuel Assembly Number xxx Average Exposure (GWD/MTU) yyy FIGURE 3 - LACBWR Reload Configuration for Cycle 7. The BOC Cc re Average Exposure is 6,528 MWD /MTU. (S-1A and S-2A are j startup neutron sources) ,7 s. LAC-TR-09 6 A B C D E F G H K L ~ ) 3-y7 3-y1 S l n-Io.bY lo. ;,1, IA l l 20 l 3-2l ~ 3 Z'] 3-17 ~ 3A 3-40 ~ 3-13 3-of ~ 3-// E Ifzz. Iz. z-15 56 s'io - K to W. l,t, /2.15 LDE. t IfC [f6' l@FTf' F4, I i 34 3-3-61 3 41 3-31 3-62 ~ 3-[ 3-35 ~ b II. 3 W.1' M'73_ Q I4.1 f11 M 12.W hFA 69 I 7 J ~ 1-30 3-6? 3 'l0 3-lY 3-b5 34z 3-4C 3 ' IL71 C70 19.7 4 6.34 6.35 11.7o 15:BI n@W3 I. I l@m L__3n iI p I-7 3-t7 3,54 ' NTI 3-VY 3-Y1 3-61 ~ 3-36 3-70 ~ 3-33 '~ ~ 5 r;g3L 13.s3 _ g 11.v7 y.,7 ro.,s_ io.,, g, i1.,7 ___,_I @ g 1-2 V 3 -71 3'S ' 3 ~ l_ _ _ _ / 1 I 9 i(pr 'pi-- I F2C 1 I I' 3-VJ' 3*'l? ~ 2-72 3-27 3-7Y 3-3 Y g 'O.21 't.89 19.1 1 KFZ /311 l1.55 rS3 !Y.13-M_ 10 79 .?d J@L5 I I 4 i i Ic' I 1-3l 3-7f ~ 3-Y/ k 3-74 ~ 3-77 3 43 3-78 3-3 ~ 7 Q7 5Lb IY..'r3l b.1r b.3b 14.77 f70 157L &E I? I I ll IQI 1(I i 3 411 3-27 3-74 ~ 2-Zy 3-Yz 3-7o 3-7 ~ 3-37 8 12.0 4 pr73 r,7y Iy.y 9 ty. b:,- r33 15.3) I1.90 F)J'-- - I i pn i A i@i pn i 9 3-:t 2-3 1 3-z o 3-gj ~ 3 3-/f 3-Y 3-/2 Q J2,19 fr44 5;/0 LIO 15.5T 12.10 1522 i z i '~"' IO 24 jo.67 /0.&y IN CORE FLUX MONITORS Q PLANT NORTH Fuel Assembly Number xxx Average Exposure (GWD/MTU) yyy h FIGURE 4 - EXPECTED FUEL EXPOS 'RE DISTRIBUTION NEAR END OF CYCLE 7. CORE AVERAGE EXPOSURE SHOWN IS 11,028 MWD /MTU. (S-1A AND S-2A ARE STARTUP NEUTRON SOURCES)..

yI w.= s% -= 4

• .f

? '.

.d n' EnclosureL2 to-DPC Letter LAC-7572 LACBWR Power Histogram and Rea'ctor Coolant and Off-Gas Radioactivity:During Cycle-7. i. ( _

o t usua:v 0 n cucv g/ us.acu s/ 4, ic a uny t/ o is o 33 m) o is n ::3 u e is u ma as a n iz no 30 e o n 22 :: p g !l lH I li HP H!i til I !IH jui ! li llR !!!! (H iii! iiii 1111ilii iWi !DU Uf! I!H iii! ili! RH ti!! !H!:iliiW it ifH !il!! M n DMIIIIEi$Tifi! i i"i!! itili i ill 1il !!!! IIli lil! lil! Hij !/

• Hii 9 llli I l. i

--;! hut i ti !iVHi ill! ilji !!! lH, V g _!!. / Hi Hi! 'H_ i;! Il ilil lii! illi lis Hi!: iiii H_lin!) ! 11fpf! i!: Hi HH- !ili uli i I! j Hii! Mi Kd til !i!! lili HI itif !!L i' iLii !ili.!!!i H! liii Hli !!!i iih Hi! iiH l it!! Hi! i liiMH k 1H h 11 ili ill H ll ijl/ !Hi ! I ili Ul! Hi !ji!U ii! lii! Uti !!!fi lii! Hij !Hi iHi ilti Hij !!!! ! ini ilit i !!ini! !!ii i l iH 04 !! H iif . :1! i ! ii!-Hi! Hi !!!! !i! i W !ili 44! iini ii!! ini HH fFi I!!!1 11!uti 3 !4i i!D i H iiiii 4 t.jil.i J.ii. u.. p,ipf i n..1..j i igi. tp.o!.n.i.vi mi. i,t n.i t.ju .j lit ~ up. !. a tuu e:ty. ;pt.ty. i. p.au..tip. qu ig.i J_ai.m. n n i z t. ,r i.. n t .t..a n w E !! H iiii ! u tilii !Hi ill 4:1 illi !!! ILI! 4 ! .i !!fl l!!! lit! lii i!U i! fi! !!U ini- !!ih iWi:li!! hit "!!qiil!- lH1

i

. U[E i 3 h1Htl

i. *.Ei!

T4. ip,i iq. i.pi yi l,u,ni pa 'gy !.!ip.

a..p,F,;i.,y gt: F.mm n u.a

.,n. i p1.- im., im.gi a, m,. tinm.i ini yn u i 2 2 u c. n 1 e nii Hi I!!l 'li 4' i 44' 11 itii i !! lil: his i!i n o' H' 'li iD"i H"HiillHiD' fili 'l ii iiii.iin H~i!!!il li i19" 9"4 i:iifni '~ ~ ~ $t!!H jin"ijdi~.iWiHH.!M! HHHMj!in MSii l!h tii$D thh o hi i it Hit-Hil Hli !ltGi! !H! H!i' t!I-idi !H m lid ! ii illi liii-Hi! !!hl tiil !!ii iWi in: H4 Hi !!!! i!!! I LACBWR THERMAL POWER di liH illi liii tiHi Ili! lil l!il ilk ilii fHi! illi !:0 iii Hi int iH iiii lili { S = REACTOR SCRAM slagjjjjg lig ggj i in r

m. en i SD = NORMAL SHUTDOWN ijm nprpt jij 'iiq ite iii i: li vde uh m:.m dn :

.W t h tit wt :m cl"it i la. hu. mi in.a nh tH

ig e nm.i.

1. um -3 iH IH! i'i 'lf! l H H li ill-Rii !!!! Hi !U Hi !!n IIH iiji' ! !! iti! iiifi !il! !f!!?!!!! i!H iHi I!H !!Il !ii! iiii Hi! !!ii !!!ii-h !!! -ill H iH 184h 4! lin illi !!:: i!! !!! ill! fili !!!! id !iii !illi ii!! Hil Hi! ill! ufi liii !fH iif!: i!ii Ufi lili Hifi Q !H! !il li}! jl! IHI H!h lik di! II!i !!l: it!! ilj !!H !!!!ihi -Hi! Hil UHI HIi IIII HH IHi liiill!! Hii !!H illi.illi'Ri! !!IE yy!i! !!!i lii! :Hi'!!!! !!!!! nu !!!i iii! i!!i-lin ii! siiil! !!n !!!! i!)i iH!! idil!!i liii iiifil!! !ili iiii !Di iiii iih il!!!ini Hi i!!! !i!! IH! IH! l!! iiii !Hi Hi! lHi ifH !!! iili i !! t il lili Hij Ui!!.!ibl!ilil!!ii.Hi!:ith l!!! Rii 44biliii#1 Un4!!i y !il: i!H illi !!!! idi.! i: !!!i HH 11!! iH! ii!! ili !!!i l'l! I liiiiMi !!Ei Y ## m-. LACBWR OFF-GAS ACTIVITY {pi. -H!,h,, t6; i.

ipo 4.

db pp.pn r ".

n mz i ht ip: aq dh i m 1

HE at

.t ne I. u. n n .u re nt I!! i!O li Ill h!i E Hi !!!! Ilh liii :th 40 0t illi !!H Oil liH iiii ii!N lil! INI Ilh iMi HR !!O iO! illifiiit iii! filliidi ..li lp.Qj!!!m.!5-J e.. M.. -W W. h..n.Gj F.2,!!jp. t!. - hj i: 0. "ij H{.ii. ib. 1.17-'. 2. 7,-N.g;f.g!H. p HiF n.. m J. a. i m h Hil ! fi lii!!!Hi illi [!! Nil Hi! ilh i!il !!i Yii} /i OilfIIIII!liti Nil !!!! HN !!il iii! H!! !iO [ii fli! HMi !!. NNi 0 i HH !!H, i!!H fi; iin !!!! ". di tH! !!!!!!i! !!H Hit i!Hi !!i! fill i!H ilii its ih! !H! ilti.!jti fiKunil'ith ii:i !!il !!11 - !H,b. .( d, !! mh.Mh HH li..!! ii..h.d. i. h..j !i

h...it ci! '!!h. Hn

.. i ili,i Ilh.

.D1 4' g.,

m ii..ti lH h. h...hi !!pd !!H in .y .lih 1ik. .!h. i i .l ! il i r .Hi du hh"N l iHi lHl !H! Wh Hj Hii! !!!! U!i !iH iiii iiii ih Ki! Hii Hi! ill! !!!i !!iti itii i!it lib iiil li!i ili! !ili itinili !1 11illi liiii F.ii lih !iO O!i liN !O! ill! iliiinii

• O lHi !'.i! ild di! u.! !Nii !il! !if lili iMi UN H! idi 30 fi!! IHi ilk ilil! !ii! fili HD h

Hi! it'i l$ ifi! illi ihn in! iiH Hi! !!it itii !!! Di! !!U i!!! Hi! i!!! till! i!!1ii!! !!H !!!! Si!lili 49 ini H!! !!!! !Hi ni!! o4 iiii ~ dp: ay : m... nl ah; nu ?!!i; mt dl dp: u o a

u.. p:tim :p:

r n; ...e r . e

t nu no

.o

n m.

b 2 a REACTOR COOLANT B/y ACTIVITY r,r e-

m :he a Whi:ut

n nu nit;,n u.

n.h-pm ji r ,un mh d1 un n r :m d:

• $ Tq H

m m- !Hi H.j. F. i i_iii..jji.i l.iEi ".. '.p .!i. i!.i.ll.; i.i. i. !.!.H! ..iji. F.. i..iii!!. i.f. y. !!.H.p.i.ji. ill.i.: i.H!.!.!.!!:i.li.!.H. i.!i.[i.t.i. H...i.

i. U.!..i_fi{!.!.ii.it.p. igl.i 4

ggj lis iHl !!!! !H ili HiH dii ini Hij intini Uli liH !iH IH! !!ti !!iti fuiihi!!!!!!n 4!!! !!!e!!!!! Hij ilii liii 11HHi!! y:o : WM "w.n g;w.mmt f? N 9.n:-mpp"w....e~waAe.: eninh nl: I ip: e. CE. q; e qn m Mn ~n.:. u-,i n r - n.t . n u am nl r. i or v m 4 D $a y ii.i.i. i.p. m... :. !.!.!:.fi.ly i.[ii. !.Hi !?a!!H..i.!.R..i.i.!}i,.Hj!. i.i.!! E.i!. i{ij.tp+:..i.!!i.i.f.[i.gi;. jijf.i. !Fi. ;p.i. Pli. !i.i.i i,ih.!

i Hp. i, l jj

,a a, e n e

pn up: :p; i.p:

4 "" n;: njum: muur au.ua m uu.m m n 1 -

n n.

.n gu :m

m m

nu un ::n.. a qn m; 2

n !n m. nh

un a m.

qe ..n

nt n

n

n b"

it i. !il iHi iFi li!i i!i ijE ii tili ;2il iF.ni" p. Hi!j :.j n lui r.h I.FI n "t y ~i nn nn un.e M. ":. E..:...,. .:.t 2 LACBWR REACTOR COOLANT AND .y:. it. 3 4 T, .n n.. a-n a a.. p.. 1 qi

2..

..h d r. OFF-GAS RADIOACTIVITY DURING d.h d p) 3 u: "+ e u n nn. du :d:: +. ~ n, . an = a-m en ml ;n

n

dt. no" n:,.. ::

m m: tia nn y q ia. nE o CYCLE-7 f3 .q dii.iiii i!!! iij !!!! !!!H !E jij! lip up !!;i Sij !!!! ijjj jiE 4 P p: u:{T-:um mt ntt mr :tts tttr m: tm int m tttr titr :tttr j'h: *. ;: g. n" .i

i

'

l-

in

n in d..

M *i.:Di. t h:aj! jjjj ;i}.!' br 'jjj ::ln n=,u : in 4 d. d n n-. Q .m, .. ff',. Q M

u.. t.... i.

. ji. !. . h..!..}h. . h., i;.

. ;..h,

d...

..i3,l. j..

n.}j :j,p ::p. i_n h.d. i.....

d. 3

a. d..:t.j :

.l..

j ;

Y H! hi! iii! i tili HH !!H !!!! 'i!! iii '!!! ii!! !H! di! iHi Hiii iiii !!'i fi!! lHi it!i lii! iHi fiH O!! b. tj

i. h..... !.

., ! M M. p. .t, g t : i{ i.t. p. t. '. i.n. W U.. n..a..j;

.1.j

. (. t. 7 i ilil !!!!! 3 i i Hii ih' !!!ii !!!! 6 !"i d Hi !V! iff !"! a na liii !il! !H! ini !!i! u!! Hij i!h iin !Hi' + !d o + i !!!

Hi

'i!i ai iin :i!.!iiii diii:;iii! !Hi iHi !Hi iniiin nii ;iii im i4! iHi HH !H i 4iB !Hi !H-W un 4 p ni! .H 1h,si H

3...1H

,ih :P

REACTOR COOLANT = ACTIVITY

.4.. " O. L.H itiu.. ,t n. ,. in! an j h., d-p ipq Tm r .:qM. n.3.u n r:-? r mt an rttr.:grre ITn7n: nn an. uupm !+

H:

nu :pi an .-l . ; p'. ...nt: d. 1 ut, nh :.P Mr i., t ?: M. U.. r. (

n

..'t

j

b ..g' ". t. ;.if*t. '. 'i P**

• '.!..'.U.

-T- .. p:

g...

..o 'i.p:

y. t..'. !!. -

u.. n.,,

,:... t. p. fp. t.y. t. :j}t. t.ilt 1 1. ip :, + :. y n im

0. ;

Ut. h h. g T

in Hi! t' li'i lli!

li! .ii: ii!! !Ht e!! Hi! !iii H!h iiH !!!! h; iiH iiH iiH EDIIHkii? !!!! !iiii[in i u Lj-q.Ifut n .r f - na 'j n.d}f+pt r. .t... : dn: gr ::p

tit-fiIp

q t' s ". ' j r.,; n :j

tJ

_O n t_ 1 sh i t{..., :!; jn. :gj .t n. -.In

p

.... sp": '!jn :{;I tr .1 M" .n :.n

t n n i.

O s.n: 9 to is ao as s to is ao as s to is ao as s to 'is ao as ~- to is ao as s JANUARY g FEBRUARY $l MARCH ff APRIL g MAY

p. m J A '.'.' A R Y L l FE.l'~U A7.Y gs CARCHvl APRIL es M AY c( f 10 t) f ** e O I317 O 2) O 11 17 N 23 'O 12 17 27 27 C I D 10 f 3 21 . g' 3

i..

t.1 $ .,L.. {It"t.a. . 4f_ -. t.{., !.ft)tl. - fl I t .f,.,g!i. h.. it.- * *!, f.f_ + + t p 1 g} ..? if. n', . g.. r +it' l.j.n.. +++

• +

.++;f. j- '!';"4.'t'tj+ t

• fi. 't"t.n

+; +

l. i. k!.

1' +:i. 1.H,,{l.t.((. *. p. f. t.l.

t. t. t1t n

'f.. t ..it ,.j jiit- + +r *t..- . g. - ..p 4 itu at : ir Lpi +1 mi tla !lu :) .pi m:itiin in an !+h :"f{.p:ipit up t.!. yi2 ig 4ui id.t }tt! ut i t: ra n !. j i.j-iH pi! eiir fn *hil.a.n tin 1i4t jy!n t t n i. tut in: iti .t n

n 2.. n m:

.t na

. t

.t t 3 .a n ..t t h. :. +n*tt t. s ' +- - .r.yt-t.,.:i. t.ft:*

• t. 3..

i. l...;t _ t-Ja...

.... -. + -.n..htrn.. -u.. t.2i.t ,1. l- + i.., n..in, u .:. t:. 1 r- - m; t ,,it .+ 3.H p 3 t.n. &.m . p_- t t-r 1.I.. ,.d.t;,: .h. - yj tin..q. 3:s o e .n.1..1tyi 2.pl2.. t.. t..ii..Iop..it.,i il i. tit ih; a. ,t m{g H. t...p. ito t..ih..tit.t..ht.2 n.]

...7.h..

n.. e.;;.n.

t

u. 1.}r,

.e..j!!. a..d, . t[ j p.... t. . n. .n .t~ sp ,q, m ..i

i fNi !'ll I Li lill! ilii lili ljti lill Nii j i '.h!Uli!in !!!! iffi

!!ili !Ni lili !Ni !!!! !!fi !#i Ej liti liil N!! lilliNi!

7 o .3

n.. e.t.!n.!.

a . i a, i.!k. {.t! {..!

H

.

t .S. li.l.l t.tn..{jjh.. .}n..y. p.m.. t . h..u.. p. n;. 1db, t.il!. !.Hi

n.... a.

.!!p..ti.p

i.. - d.

. t-A t i...t..i.l.la. h. p; :. ;p.

r. 1

n. :

t...

y t itii i lj !!N iijf !.:lili !i!! NNo!Nijiii iMi i!! iiiiiiii Wh !!!i ilii Eiji N!! Sil4ll! Nii l!E IEi SE Hil IMi Mii III! Ii!!i nelin tt ia.gt ggj njt ggj ;{gt nn auj igh uit nt"i-

II:i i 'i. }.i11p t

It : yu ;f'i gf"i qi y. ff:

.jp

jn

'i' uh't p:tj t

m t.l n

.1 e m- !til1 rJt u;tr

.n : t t.j p: ne as.

la t

a mren

u. mt i

tin..n +t u . t. n :m i tI - ga: m au un t... a: :nn pm+ tiu an tm tpt. u..ps..p pn an . int.tg: y+gi i.n

t u,p pa 4

.i .g

i.p:up pn yl:un.j t.t. a F

t it fu .r a.n; tt:; t t tta ,tti t. tt. m r nu un n t: ttu +m.:m t . t iI!! I l b ! ! }: Id! !E$ ! [lN iN I! !N INb N !N! $N iffi t H.' REACTOR COOLANT DOSE 2: l3I ACTIVITY M"bp:hvgj gn nN:in2 @a@ dn!h em pq , m an-na j? B" .a.n. n9 p": ..i s !H ,".n. f $!! EQUIVALENT I

. f..

d. :t'J:

.li:tii} hti Htli l. t.i.:,].!ff. p. h....j;kj d.. m...

.f.t.

. t.i.t'1Q. E.r. t..h

t. t.: t.

j t 4 - nti 4h' 4*j: ;In..g up: j]dj :it. .n i 4"h; ji.g f.tu t tth' t gjj.an tin i.m, n un n un

m "NU'vyn aj!'

n;nin r

m: m

• n

!v"! $t rhu :tt: h:u ':ht

.'n.. -

4. ..u ur n' a.. n D y t p it; tf .:itt t rtt it tt. I u .t tti t.d

t.

it i

t..

tut s ttn INI ...'i 4.,. .N+.EHil Hi! Nii fin !2fn !;*t+ IUi di +iil"il"i uri iH'i irti f.Niili INf! Efi Ii!! t!!i.. [Ni Uli ni .i. hil'- Ul"ilil'i hiii nial 1-nr .4 ini fili d Ei! Ill! NE N!i f!Il lilii Nii Id!.."il ili! IN! Ni I!E !!Ili!!i !}II !!!! !!il! IiEIINI!!! IIii Nii III! IEi fi!! INI I!N NIi NI$! tf f. I N 5 p Iffl! f!ii' fin I "i H::

tn Itu f

t 9!! !D Mi liti !!!i !fU! Ein i!#iiOi!!ri!!! iii till MilWi! ini Hii iiii i#i !!E idi ini Ei! IHi ?!!i ini !Ii! hiilifi!fiiN I{il Ijh l"itt !!jj liti +t {:n 'Ig: .;4*i n i'in ht; tg1 !!h2 .nl ;g..i:nd !!n

j: H' + b't

.!md;Eit lh'1j:: Rh t*ht 'tt; "4:

h...t

. Ut! +;'1n H" {. :*

i. 4*((a.

!!'j }tth n' "!H" ni. tu t

td! :u:

titt en :.. : tt:

2.. m:

o r.: t t.

m

.,l J !!:b.

• d

. e.i .t;g-. i n.. y t'itb' p.. . im up.. d. i! z.gc.1.+d.i;p.rrifN

t. pn.,..it stu.

.p..f_. ni...i..h. tr.t.u..! ... t. .... i. iti.ip. n,n. p, t, n

u...! a..... u..

t ,n .t

a...u.. n..

a .ty..yp t. a. a.. + 15,... g t. .y ..,r.., m.. 1..a in.. ,.. i 1..u. ..r,... u..r n-n,n. e .t. -.,1r.tr.u..w i.. n.. :m. -.t..r.i. n.. e. m. trh.. .a au n. .m nn..,..,e.. ru +.t

d.,.

. *. ;~nt n..r. n nu m. ta ..a 1 .n. .;a.

r. n..

u. 1 i. g i I Iki I t

• urm o

..h..:. p. -

a..;

wlay: !.b.t.n.. di.} 1.:t.t : g+::.d. 3n;,gtig: w. t4.+!vd.. 1 l...t: h..r. tt.n .f..t it:. .... i. n.. d.a..: >. t.t ..t:. 4. I... ;u..

d...,m 1.n. t. h.... t.

t..r.t t

. u..tr. u y. "n n..t : .t

n..

n ..n!. ,1 tt. r

M.

1 in.. .t .I. . t.. ct. 2 m.. o... u.. J2 "ri;. :.In;.!.} t.t"n.... h,. d.{n.....m....: 1

t.n..n1 n. a. -

1.m.a. .r;4 h--f;{.' E!.. t.h':. vta. .. h- .. I' F.n:..n.. L.d.h i.jy: d. 3;. . n":.- t.f4 -t:.h,2 dl'i . h..

h... m

..,i ... t.p.u..

n.. :..

.t h.:- 2 -t t .t. 3. . t.. t t. n.. a n .t...;... -g .a // .i.. . ;L ~;

. 2

. s. t.![p.,.t m.....F}. h.,

.h...tt..y;'..y p. t.m...

.i.

..a

.j h. m...... !- .!te,;:ll.n.-. i. u u! p.:.;-i.p, -. yp. .. p r.. p.. :.l11 a.,l.tt. y. h. .gt _tp n..h.d.. p.a.lp. tp.:. :.n..; m.i u'.'jh'. t.;.

t..

u p

nt :h:n p; gj. un nu unam mn np.m: nu np; m.n u yn hn m.m. :rn nu up.:1"1;.m:

1.u : lit uH nj un un in r: u"- i.g2.mn j ;: "n ih.it (- .. tt"a r-.n .. : an un ter: :en :tm na ran tm u. t

. ut; pp

.t :t:n u un tia. .n 9 . !.h,..a.. n..

h. tv. ta.. a..{ 1n.. t:. :n h...q. t.1:.

t1 .,. f a. .i..-.g.. in... f3

1. 9..t:

.h. !!b. :. t.1,.n. - r1 :- "t.t; tn.. !. n.t; ...,,i,. .t.h....t ~t i t;. t. t+t. 1.1 i.Inw.. t r n, u.r.t ru

t. n.

t i:. a-c .11 to t at 1 t J., u l.i,ti.:!#.i. 1'"8.i. rn i.iji. i.I'a . i. f. 'i.n. -!.iiH iil.i. l'i.l. i..ll. i.ii. :.'.iii; F. t.:.F. L.F.e i.j1;i ttti tm '.i"b'i.m J"h: i:ii .!ii.'i.t":i: i I .t i il n ur-nu i'9" 1"1.Ei. -l[Mn' l O d I ~.... g. .p. .f 1 m U a. ., t.. n t ~ 4,7 .u,m.. ....u. q, a.u..p.u..:a..f.i. . 3.I ..g . 3.;. .y:. n.;; p.h. m..,.q. :. h..} n..

t. t..i.u.

d. p. :.s n. p.

.nt.,r. r. .{i..

q... ;p..a. g..p..

.t,y.; d.t.t.Ig.m .f...t n.. .n.. n.;!n . g.p.. ....:t. u.. p.:.p.

t. ;..

t.t..

y..

. i.. u oa ihi !!n ni! !!nl!!! EHi ad iiii !!!! ir! nn lii ttin iniini i!Milin liiii ini Un iin iHi 4iH uit 1Hi uilli?ini iin !!Hi 8 V5 iiii ir: tr: tili rt; ri: :ti;=it ut. y' t n t*r m ah: an :hlaim "+- "" REACTOR COOLANT II31 ACTIVITY h nttni: ch

Em :h: an 4 't :

t t

t re . i;. a.n::n :yp-ny aHm ap:.n.. n u afjP.nn 9. m.O j. t r: n.. ut r.

tn

,, l. itr w;Il ittt: m: 9t.9 tt .t 3 ,8 .e n ni. u..jr.u.n.p.i..t::gt. !!.p.. .i..}..g; a. .1 y

p.:. ;h...h....#. i

u.... n..

t..,.a. n...p..p. n..t.:.....

n...u.:.y. :. u..t.:.tm...

..Hj l.i.p... @h. ........d...

t...ip.h.,c.

. ; q n. 2

.q u...t..n..p.n t.;

n. $l 3 ilii I!E NE !!Oii!i lish fili %31i I'S is! n! 1 NE idi EE E510S !}}i !!!!jiE !N! fili Nii di!:iij.!E!isi :!ii! iSE g Mi ha #En ei nin ,d; H dF NH iFi !Ni M O!EFM! i Man

Mit,

..MM s#iR EN! = o 4d

4..,.t..i.

n. mn. ";n9 d. i? z.i.i.-t.iE...t.it.i in.i iFi. i.t.:. i.t.i- :n.i. :a'i.t. u.n..m... t ti a i . i.. Fin..n.v. ~a.;r.ii..'i iiii-.Eli..i.;i.i.i.: f.f.i. i.n.._ii i n.t.t.lie.!.!"tt. nip. i t 6 a... c.-, c p= .m 2.:.p. td0 ii.Fp., = .u.. p.:.3..u..p.u. m...m....:

1. :*

. h... t..p.:. .{E.. .,o,

p. as m..:.:m...r,.

E.....g3 :gt. m.. t.ttp. ....: h.. . u....

m...:

d..p. ,H:. < a .q t

m

. t:

.gn m.... ..r pg !!.!....a. . t. n,"t t n.... .g.. ..p . +t.t. g., pr+. ;

tt;

. g ;, p!p

....4.

m.. :.;: :. :t. *.'t. a. *!;.;tJ..;t:.. tt.

g M. t n.. . ;.t.:. ;r.H :t"t.7...t t g.. g,.

7...

.t + + 1 4 .1';:

. it..:+4

• +t 2

.t*t.1 ,I I..n 1 t. .t o t u. it. ,.r ... 1 .x o.. ..y t

... p:

s.

• ! t.. t. ;. ' 4...- II.Ia^! liF. t.i.i.i. gi. !gI.t. i.f..

e .,o. . ~2.a! .j ..::1.:.a.. p..u n. n._ u.:t. ;.:. d..h.:.u. m... t44 ;. U.. -! .p. .N 1 .. k.

• !.E.I.N4.1.1g t

". I.t......'.. + 2, g n. I.21.. r o' .t 2. r g .h gn m. ru . :n ut;.ni :,. ..:.p:.. a

1 m: ar

{p. :It: ::::

n;

tn at. rt :m.n ut: q::t up up na en t..p ;

tj an ;3p:ar! n:p t.p: v uj u; un ~4 pen ht, tt utt Uit Itht

t t. i ttu tdr

..t: ttu r. m.: 'ra

t

r n

ttr u4 tu i:p: nji :jp: n.!

. :.a..u

.r tn eq pn:: ;r qij :tn un u.: un nin mr en a;;;

tt; du.

pptr t"j:n t'p;.th; mp n:1 :.p; gji gg1:;

4.tgdti t d. ru jia ttt:1,n t.. m e: :.. Mt tt:r ::~ t t: dtt nr.

m. un.n-

-i aa p; ;m;nmi una-a

gp :.p :.pt: :p:: n:;p::p: ap a:4 un aj: nu t"

t ut uit un n. 'nt im :n: nt att: ..r :.z i.i.i.i. :Fi. ;.i9 ~ H:i> u, ib F itii.aa.. . i.ii.!. !..::s n...+. i:n LACBWR REACTOR COOLANT AND s a t OFF-GAS RADIOACT7VITY DURING na .: i;p: -.

t un

.n

~~ 1 um-p: pa yn :e.n::. { m: +: n-

- au -u a. =

.n CYCLE 7 (Cont ' d)

.i .u; un :. tp. a.+-

t. +

t...

a

.im qt

+

tu m*

.c

n r.n m.

NSl i: NE Ii!! I:t35! *n[: !Ni t'! Eli I!N Ii!! U UIi iNi nii i NN NN Nii55!E I% Hii E!:liNiiii liN Nif^!!E ON Ei NN INii di' IU !!S IOiMi EF HE SE :!!!! "': "I !E +1 i nn b !#! n; Sii - -i nh nii "E Mii ia * ! !Ei ni! 'i Eli 41iit hi ri Ei! Hii nii ini !!!! nii iin !!!!! iiii !Ni Ni! iNE

Hi! Ei E.P nid !?

Elli !IE lE !!!! UE Hd lE! iii!iii! lili E!!! HE HE :i *i ~* ruijp: it[.j yjp:

1:;.

-q rn nu. nn ;rr..:;!ut a

n

.

m. n:' " nn J at un . m...m + an tt aln, u...:m .... thd..t;- h.. 't dt! trt: ur mt + n i- ...t nt et

f. r. a.u....u-+..

-1 :" t:. :n+ J. u n-n...u.

a. t. t. :

h-a x

m..r.

- + - r +:n . a'n.

r. n. +.. n* *

• 4" -...n.. m

.ti.h-.. +-

a!*r-t.p t.t.. m....

-r. !. 't-

.n n-,r. : U+-

l -

- t. n, rt.. u.t. .t .r.!

r.

5 10 15 20 25 5 to 15 20 25 5 10 15 20 25 5 to 15 20 25 5 to 15 20 25 JANUARY $l FEBRUARY S) MARCH $l APRIL $l MAY ${ 7-.. go

g.

= ..e s 6 7 v T b e ~ ? .- to DPC ' Letter ' LAC-7572 - ' Expected Fuel--Exposure ~ Distribution in LACBWR~ Core at End of' Cycle 7 if a Core' Average Exposure:of-12,228 MWD /MTU is Achieved. 6 s e i 1 f. W. ,e ,e, ---a e 4 w' e'- i- = -- n-we-+ = - ---tv w eetw--ere--- .vnm-=.-eney-ws'n-.ge*w e +e-e t-* s' v-s e1

e s

+,

f p. A B C D E F G H K L ~ 3-'17 3-Y31 S -l II.15

11. 5 7.

Ik i 26 I 3-zl ~ 3 11 3.j7 ~ 3 51 3-60 ~ 3 13 3-j ~ 3-// 15 7o it.90 16.r5 (, 37 Gab /4.bl 13.06 lf.'g6 P li9 Fifl,3 _ k_ ff< I@I~-~ IT I ~5 3 2d 3-fa/ 3 c/ ~ 3 41 3-6 ~ 31 3-2[ ~ 3 b 12.(,1_ Q '7.3/ _ I 7' 9 P8 14.o9 It.n 724 _tyy Iz.sy I 69 I 3-30 ~5 3-yo 3-Cy 3-V 3-6 3-64 ~ 3-2 ~ Ib.V 7.19 lb.32 8.IV 7 13 l 14.2 7.11 lb.77 l@F'3 ~ 3-36 3-70 ~ 3-33 i ~.2!i ii 9 I I /p i r 3 V7 3-41 l-1 C 3-67 3-3b ~ 3 -61 3-yy 5 io.go s.it _ wu 7.ss wz7 w=3

7. az it.u s.ir li.3s P 2tM i

f3 I@i I I i 9 i@l 7 ~~~~l I-21 3-7/ ~ 3 57 3*7Z ~ 3 -W 3 -49 ~ 3-73 3-37 ~ 3-7Y 3-3Y 1112 b.11 IL99 7.61 IC:2 XZ7 7.6% W 70 h.lb ll.36 l 24 l@L__ $ I I 4 I I /C' I 3-3) 3-75 ~ 3 *ll 3-74 ~ 3-77 34J ~ 3-77 3-3 7 Ic.,3

7.,y is,s

~

g. i,

,., y is.x

7.,,

is.s, thi hi ir i is i i II 347 3-37 3-77 3-3Y 3-YL 3-10 3-8 3-3S 8 12.S ? lb.97 7.2 & lb.ar'_ lb.01 7.31 (b.yf Iz.60 t E i i 2 7 --- 1 i A i@i .n i p 3-22 3-32 3-20 3-yl ~ 3-72 3-ih 3 -y 3-12 9 fr.% l3.:1 lb.&: 6.3b tr. 37 Ib n Iz.29 15 7o i x i l'""_3#. 7 /0 2-A l1111 11.2r IN CORE FLUX MONITORS Q PLANT NORTH Fuel Assembly Number xxx Average Exposure (GWD/MTU) yyy Expected Fuel Exposure Distribution in LACBWR Core at EOC-7 if a Core Average Fxposure of 12,228 MWD /MTU is Achieved. (S-1A AND S-2A ARF. STARTUP NEUTRON SOURCES) f , to DPC Letter LAC-7572 Proposed revised pages to the LACBWR Technical Specifications

- 32:a - L (This Page is Left Blank Intentionally) Deleted 4.2.4.2.5 Deleted 5.2.17.5 Amendment No.

{y,. ~ - 32gg - g . :s? W POWER DISTRIBUTION LIMITS BASES FOR SECTION 4.2.4.2 AND 5.2.17-LINEAR HEAT GENERATION RATE - (Continued) For Type I and Type II (A-C)' fuel, the original design LINEAR HEAT GENERATION RATE specified by the fuel manufacturer was conserva-tively reduced to 11.94 kw/ft to account for the effects of dens-- ification, power-spikes.and manufacturing factors. For Type III (ENC) fuel, the design LINEAR HEAT GENERATION-RATE of 11.52 kw/ft is also calculated with. design conservatisms that are larger than the calculated axial densification effects plus manufacturing tolerances and. power spike effects, References 6 and 7. The daily requirement for surveillance of_the core LHGR above 25% of RATED THERMAL POWER is sufficient since power distribution shifts are very slow when there have not been significant power or control rod changes. The surveillance of core LHGR after power increases > 15% of RATED THERMAL POWER will assure that significant f.ncreases In LHGR are determined.

References:

1. " Technical Evaluation Adequacy of La Crosse Boiling Water Reactor Emergency Core Cooling System", Report SS-942, Gulf United Nuclear Corporation, May 31, 1972. 2. " Review of Densification Effects in La Crosse Bciling Water Reactor", Report SS-1085, Gulf United Nuclear Corporation, May 15, 1973. 3. NRC Safety Evaluation Report, LETTER, Reid to Madgett, dated August 12, 1976. 4. "ECCS Analysis for Type II and Type III Fuels for the La Crosse Boiling Water Reactor", Exxon Nuclear Company, Inc., XN-NF-77-7, March 1977. 5. " Transient Analysis for LACBWR Reload Fuel", Response to Question 4, Nuclear Energy Services, Inc., Report 81A0025, February 18, 1977. 6. " Description of Exxon Type III Nuclear Fuel for Batch 1 Reload in the LACBWR", Dairyland Power Cooperative, LAC-3929, May 17, 1976. 7. Exxon Nuclear Co. Ietter, J. A. White to C. W. Angle,

Subject:

MAPLHGR Limits for Type I (Allis-Chalmers) Fuel, dated June 22, 1977. (Next page is page 33) Amendment No. t}}