Text

Rev 11 to Sections 7.2 & 8.0 of Offsite Dose Calculation Manual
	ML20140D076
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Issue date:	06/30/1985
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I ZION REVISION 11 JUNE 1985 ODCM LIST OF TABLES FOR ZION SECTION 7.2 NUMBER TITLE PAGE 7.2-1 Aquatic Environment Dose Parameters 7.2-1 7.2-2 Annual Design Objectives Set by 10 CFR 50, Appendix I for Each Reactor 7.2-2 7.2-3 Station Characteristics 7.2-3 7.2-4 Critical Ranges 7'.2-4 7.2-5 Terrain Correction Factors (h )

7.2-5 7.2-6 X/0 and D/0 Maxima At or Beyobd the Unrestricted Area Boundary 7.2-6 7.2-7 D/O at the Nearest Milk Cow and Mgat Animal Locations Within 5 Miles 7.2-8, 7.2-8 Maximum Of fsite Finite Plume Gamma Dose Factors for Selected Nuclides 7.2-9 O

m a s t: 8 %

o 7.2-1 l

l

1 1

ZION REVISION 11 JUNE 1985 l

t ODCM LIST OF FIGURES FOR ZION SECTION 7.2 i

NUMBER TITLE 1

i i

7.2-1 Unrestricted Area Boundary i

r t

1 i

i i

i l

1 l

1 i

i, i'

i i

h f

f 4

i i

t 4

r 1

1 l

I i

I l

l i

i j

i i

i 1

(

i l

l I'

f i.

5 &

%LY 7.2-i1 i

s

ZION REVISION 11 JUNE 1985 1

TABLE 7.2-1 O

AQUATIC ENVIRONMENT DOSE PARAMETERS 4 U i

PARAMETER gIog U*,

water usage, liters /hr 0.083 l

-3 U

fish consumption, kg/hr

2. 4 x 10 M"

1/60 AA a

f l

g c**AA F",

ft /sec F

4 i

f 3

5A l

F ft /sec 4.0 x 10 t,

hr***

24 t*,

hr 5.5 i

B. - Reg. Guide 1.109, Revision 1, October 1977, Table A-1, 1

Column 2 for freshwater fish.

See Table 7.1-12.

F ft /sec (not required with F

= 0)

F

,'ft /sec 0

1/M" 1000 w

tt i

t

, hr 6

g t

V, gal:

primary water storage tank 29 200,000 each secondary water storage tank 29 500,000 each to,.hr 8

1 and F A

At uion, for the fish ingestion pathway only, 1/M

=

(ft /sec) = 4. 0 x 105 based on the simplified assumption that 3

the near shore current constitutes a " river of 5 miles width, 50 foot depth, and flow of 0.2 miles per hour."

See text, j

Subsection 4.1.2.

AA See text, Subsection 4.1.2.

F" = F /448.86 gpm/cfs.

C F

is the average flow of the condenser cooling water (qpm) during the period of discharge (either Unit.1 or 2) f t

(hr) 24 hr (all stations) for the fish ingestion pathway

=

t t*

(hr) = 5.5 hr (distance to Lake County intake is 1.1 mile;

)

flow rate of 0.2 mph) tt t

(hr) = 1.24 miles to intake : 0.2 mph current speed 7.2-1

REVISION 11 ZION JUNE 1985 (7_)

%j TABLE 7.2-2 ANNUAL DESIGN OBJECTIVES SET BY 10 CFR 50, APPENDIX I FOR EACH REACTOR TYPE OF DOSE ANNUAL DESIGN OBJECTIVES Airborne Releases Gamma Air Dose l'0 mrad Beta Air Dose 20 mrad Whole Body Dose 5 mrem Skin Dose 15 mrem Infant Thyroid Dose 15 mrem Liquid Releases Whole Body Dose 3 mrem Thyroid Dose 10 mrem Bone Dose 10 mrem Skin Dose 10 mrem

,c~

v/

4 7.2-2

ZION REVISION 11 JUNE 1985 TABLE 7.2-3 STATION:

Zion Nuclear Power Station LOCATION: Zion, Illinois CHARACTERISTICS OF ELEVATED RELEASE POINT (NA)

1) Release Height =

m

2) Diameter =

m

-I KCal s-I

=

ms

4) Heat Content =

3) Exit Speed CHARACTERISTICS OF VENT STACK RELEASE POINT (NA) 2.4 m

1) Release Height =

55 5 m

2) Diameter =

15 2 ms-1

3) Exit Speed

=

)

CHARACTERISTICS OF GROUND LEVEL RELEASE

1) Release Height = 0 m

2) Building factor (D) =

63 m

METEOROLOGICAL DATA A

250 ft.

Tower is Located 700 m

NNW of elevated release point Tower Data Used in Calculations Release Point Wind Speed and Differential Direction Temperature Elevated (NA)

(NA) 125 250-35 Vent 35 250-35 Ground 7.2-3

ZION REVISION 11 JUNE 1985 O

TABLE 7.2-4 CRITICAL RANGES Direction Site Nearest Nearest Dairy Farm Boundary Resident Range **

i (m)

(m)

N 469 2414 NNE 475 NE ENE E

ESE SE SSE S

433 1609 SSW 439 3219 SW 518 3219 WSW 671 3219 W

658 1609 WNW 893 1609 NW 847 2012 kNW 725 2012

Lake Michigan

"Within 5 miles 7.2-4

.-~..

ZION REVISION 11 JUNE 1985 TABLE 7.2-5 TERRAIN CORRECTION FACTORS (h )

t (h

= 0 to Stated Range, Then h

= Given Value) t t

h DIRECTION RANGE t

i N

3 mi 3m NNE 0-NE 0

ENE 0

E 0

ESE 0

SE 0

SSE 0

S 0

i SSW 4 mi 37 m SW 5 mi 42 m WSW 4 mi 50 m W

3.5 mi 58 m WNW 3.5 mi 67 m NW 4.5 mi 45 m NNW 3.0 mi 33 m i

Within 10 miles 7.2-5

ZION REVISION 11 JUNE 1985 (3,

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ZION REVISION 11 i

JUNE 1985 i~

1 1.

TABLE 7.2-6 (Cont'd)

ZION 1&2 1

AVERAGE WIND SPEEDS FOR EACH RELEASE MODE DOWNWIND AVERAGE WIND SPEED (m/sec)

DIRECTION ELEVATED MIXED MODE GROUND LEVEL 1

N 6.6 4.7 2.9 I

NNE 7.0 5.6 3.4 i

NE 7.1 5.9 4.1 ENE 6.9 5.6 3.8 E

6.5 5.2 3.7 ESE 5.7 4.7 3.1

.O SE 5.8 4.6 2.8 i

SSE 6.3 5.1 3.4 S

7.3 6.1 4.3 i

SSW 6.7 5.8 4.8 f

SW 6.2 5.4 4.4 WSW 6.3 5.5 4.7 i

W 6.3 5.4 4.6 WNW 6.0 5.1 3.9 i

NW 5.9 4.9 3.1 NNW 5.9 4.9 3.4 4

i

!O 7.2-7 i

--,r,

v TABLE 7.2-7 D/O AT THE NEAREST MILK COW AND MEAT 4NIMAL LOCATIONS WITHIN 5 MILES DOWNWIND NEAREST MILM COW D/Q(1/Me*2)_

NEAREST MEAT ANIMAL D/Q(1/M**2)_

DIRECTION RADIUS ELEVATED MIXED GROUND RADIUS ELEVATED MIXED GROUND (METERS) RELEASE RELEASE RELEASE (METERS) RELEASE RELEASE RELEASE N

6437.

6.690-11 1.827-10 4.820-10 8047.

4.634-11 1.246-10 3.267-10 8047.

NNE 8047.

NE 8047.

8047.

ENE 8047.

8047.

N 8047.

%J E

8047.

y ESE 8047.

8047.

SE 8047.

8047.

~

g3 i

03 SSE 8047.

8047.

S 8047.

1.206-10 1.245-10 1.913-10 8047.

1.206-10 1.245-10 1.913-10 SSW 8047.

1.209-10 1.448-10 2.509-10 8047.

1.259-10 1.448-10 2.509-10 SW 8047.

8.205-11 9.610-11 1.572-10 8047.

8.285-11 9.610-11 1.572-10 WSW 8047.

6.434-11 7.438-11 1.219-10 8047.

6.484-11 7.438-11 1.219-10 W

8047.

6.367-11 7.462-11 1.274-10 4828.

1.440-10 f.738-10 3.149-10 WNW 8047.

5.E31-11 6.464-11 1.141-10 8047.

5.531-11 6.464-11 1.141-10 NW 8047.

8.420-11 9.608-11 1.434-10 6437.

1.213-10 1.393-10 2.115-10 NNW 80*7.

7.597-11 1.014-10 1.837-10 8047.

7.597-11 1.014-10 1.837-10 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 k <N Not applicable--over Lake Michigan tn m in HH W) C) 03 Z sn H

H

/~N A

T1UBLE 7.2-8 ZIt}N 1& 2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR KR 83M DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

S8AR RADIUS V

V8AR RADIUS G

G8AR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /vR)/(UCI/SEC)

N 469.

469.

6.330-06 5.716-07 469.

5.758-04 5.200-05 469.

1.369-03 1.236-04 Ny

%J NNE 475.

475.

1.077-05 9.722-07 475.

3.644-04 3.290-05 475.

1.147-03 1.035-04 NE 400 400.

400.

g S

ENE 400 400.

400.

4 ode u)

E 400 400.

400.

ESE 400 400.

400.

SE 400 400.

400.

SSE 400 400.

400.

S 433.

433.

8.082-06 7.298-07 433.

1.421-04 1.283-05 433.

5.446-04 4.918-05 SSW 439.

439.

1.265-05 t.142-06 439.

1.240-04 1.120-05 439.

4.980-04 4.497-05 SW 518.

518.

6.905-06 6.236-07 518.

7.356-05 6.642-06 518.

2.707-04 2.444-05 WSW 671 671.

4.779-06 4.315-07 671.

3.617-05 3.266-06 671.

1.363-04 1.230-05 W

658.

5.290-06 4.777-07 658.

4.059-05 3.665-06 658.

1.526-04 1.378-05 WNW 893.

893.

3.995-06 3.608-07 893.

2.591-05 2.339-06 893.

8.837-05 7.980-06 NW 847.

847, 6.063-06 5.475-07 847.

5.633-05 5.087-06 847.

1.590-04 1.436-05 NNW 725.

725.

6.779-06 6.122-07 725.

8.403-05 7.588-06 725.

2.361-04 2 132-05 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 C4 W C t:1 2 <:

til H

Not applicable--ever Lake Michigan g$

eo

<n Z Ln H

H

L.

TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMU'A 0FFSITE F INITE PLUME GAMMA DOSE FACTORS FOR KR 85M DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

S8AR RADIUS V

VBAR RADIUS G

G8AR (METERS) (METERS) (MRAD /YR)/(UCI/SEC)

(METERS)_ (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

4.188-04 2.233-04 469.

2.800-03 1.431-03 469.

5.957-03 3.030-03 N

%J NNE 475.

475.

4.920-04 2.620-04 475.

2.011-03 1.034-03 475.

4.915-03 2.498-03 NE 400.

400.

o 400.

400.

Z I#

ENE 400.

400.

hs E

400.

c3 ESE 400.

400.

SE 400 400.

400.

SSE 400.

400.

S

433, 433.

4.049-04 2.157-04 433.

9.889-04 5.128-04 433.

2.491-03 1.271-03 SSW 439.

439.

4.550-04 2.420-04 439.

9.524-04 4.954-04 439.

2.476-03 1.268-03 SW 518.

518.

2.873-04 1.529-04 518.

5.987-04 3.119-04 518.

1.410-03 7.232-04 WSW 671.

671.

1.902-04 1.012-04 671.

3.409-04 1.782-04 671.

7.433-04 3.820-04 W

658.

650.

1.961-04 1.043-04 658.

3.675-04 1.919-04 658.

8.225-04 4.225-04 WNW 893.

893.

1.374-04 7.304-05 893.

2.512-04 1.313-04 893.

5.228-04 2.694-04 NW 847.

847.

2.097-04 1.115-04 847.

4.635-04 2.413-04 847.

8.861-04 4.555-04 NNW 725.

725.

3.354-04 1.787-04 725.

7.245-04 3.778-04 725.

1.292-03 6.640-04 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 qy CM y$

Not applicable-over Lake Michigan in HH u) 0

0) Z w

H H

O O

O TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR KR 85 DOWNWIND RESTRICTED _ ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA 80UND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GBAR (METERS)

(METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

5.194-06 3.215-06 469.

3.106-05 1.922-05 469.

6.459-05 3.998-05 N

'J NNE 475.

475.

6.060-06 3.751-06 475.

2.2rt-05 1.394-05 475.

5.321-05 3.294-05 400.

400.

NE 400.

400.

ENE 400.

400.

Z Fa E

400.

F" ESE 400 400.

400.

SE 400.

400.

SSE 400.

400.

S

433, 433, 4.982-06 3.084-06 433.

1.126-05 6.973-06 433.

2.694-05 1.667-05 SSW 439.

439.

5.641-06 3.492-06 439.

1.097-05 6.788-06 439.

2.686-05 1.663-05 Sw 518.

519.

3.583-06 2.218-06 518.

6.953-06 4.304-06 518.

1.535-05 9.501-06 WSW 671.

671.

2.375-06 1.470-06 671.

4.016-06 2.486-06 671.

8.176-06 5.061-06 w

650.

658.

2.439-06 1.510-06 658.

4.314-06 2.670-06 658.

9.028-06 5.588-06 WNw 893.

893.

1.709-06 1.058-06 893.

2.972-06 1.840-06 893.

5.808-06 3.595-06 Nw 847.

847.

2.608-06 1.614-06 847.

5.424-06 3.357-06 847.

9.836-06 6.090-06 Need 725.

725.

4.178-06 2.586-06 725.

8.479-06 5.248-06 725.

1.426-06 8.829-06 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 4m CM Z<

Not applicable-over Lake Michigan mM en HH eO mZ w

H H

O O

O TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR KR 87 DOWNWIND RESTRICTED

_ ELEVATED (STACM) RELEASE MIXED MODE (VENT) RELEASE GRDUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

G8AR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

1.671-03 1.218-03 469.

8.749-03 6.324-03 469.

1.802-02 1.300-02 N

%J NNE 475.

475.

1.949-03 1.419-03 475.

6.434-03 4.654-03 475.

1.482-02 1.069-02 H

NE 400.

400.

9 bJ ENE 400.

400.

E 400.

400.

a 400.

400.

hJ ESE 400.

400.

SE 400.

400.

SSE 400.

400.

5 433.

433.

1.600-03 1.169-03 433.

3.335-03 2.416-03 433.

7.619-03 5.499-03 SSW 439.

439.

1.015-03 1.322-03 439.

3.287-03 2.383-03 439.

7.663-03 5.532-03 SW 518.

518.

1.150-03 8.381-04 518.

2.073-03 1.504-03 518.

4.343-03 3.136-03 WSW 671 671.

7.525-04 5.484-04 671.

1.190-03 8.640-04 671.

2.280-03 1.647-03 W

658.

7.730-04 5.632-04 658.

1.276-03 9.259-04 658.

2.520-03 1.820-03 WNW 893.

893.

5.340-04 3.891-04 893.

8.571-04 6.222-04 893.

1.580-03 1.142-03 NW 847.

847.

8.175-04 5.958-04 847.

1.539-03 1.116-03 847.

2.659-03 1.921-03 NNW 725.

725.

1.321-03 9.628-04 725.

2.452-03 1.779-03 725.

3.924-03 2.833-03 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75

[jll z<

Not applicable--over Lake Michigan tis g HH u) C) co Z U1 H

H l

m

{g G

v TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR KR 88 DOWNWIND RESTRICTED

. ELEVATED (STACM) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR FADIUS V

VBAR RADIUS G

GBAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

4.047-03 3.117-03 469.

2.102-02 1.599-02 469.

4.284-02 3.251-02 s

Q NNE 475.

475.

4.704-03 3.622-03 475.

1.546-02 1.178-02 475.

3.524-02 2.674-02 HO NE 400.

400.

N ENE 400.

400.

E 400.

400.

h La ESE 400.

400.

SE 400.

400.

8 400.

SSE 400.

400.

S 433.

433.

3.870-03 2.980-03 433.

7.987-03 6.102-03 433.

1.798-02 1.365-02 SSW 439.

439.

4.397-03 3.385-03

439, 7.880-03 6.026-03 439.

1.805-02 1.371-02 SW 518.

SIR.

2.008-03 2.163-03 518.

5.017-03 3.840-03 518.

1.031-02 7.836-03 WSW 671.

671.

1.851-03 1.426-03 671.

2.910-03 2.230-03 671.

5.455-03 4.150-03 W

658.

1.89G-03 1.460-03 658.

3.114-03 2.385-03 658.

6.023-03 4.581-03 WNW 893.

893.

1.323-03 1.018-03 893.

2.125-03 1.628-03 893.

3.843-03 2.925-03 NW 847.

847.

2.021-03 1.556-03 847.

3.813-03 2.917-03 847.

6.474-03 4.926-03 NNW 725.

725.

3.251-03 2.504-03 725.

6.025-03 4.611-03 725.

9.444-03 7.184-03 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75

Not applicable--over Lake Michigan to H U2 HH

@O co Z m

H

\\

H l

l

-M

~ ~ -

O

)

oJ TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR MR 89 00WNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GBAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCl/SEC N

469.

2.200-03 1.616-03 469.

5.190-03 3.790-03 469.

1.244-02 9.052-03 NNE 475.

475.

2.732-03 2.006-03 475.

4.534-03 3.315-03 475.

1.029-02 7.488-03

[

NE 400.

400.

O

,a bJ ENE 400.

400.

Z l

E 400.

400.

$[

ESE 400.

400.

SE 400.

400.

SSE 400.

400.

S 433.

433.

2.317-03 1.701-03 433.

3.255-03 2.381-03 433.

7.022-03 5.111-03 SSW 439.

439, 2.376-03 1.745-03 439.

3.424-03 2.505-03 439.

7.851-03 5.717-03 SW 518.

518.

1.303-03 9.572-04 518.

1.774-03 1.299-03 518.

3.699-03 2.694-03 WSW 671 671.

7.265-04 5.336-04 671.

8.912-04 6.527-04 671.

1.626-03 1.185-03 W

650.

7.832-04 5.752-04 658.

9.647-04 7.064-04 650.

1.833-03 1.335-03 WNW 893.

893.

4.500-04 3.304-04 893 4.946-04 3.624-04 893.

7.852-04 5.722-04 NW 847.

847.

7.109-04 5.221-04 847.

7.711-04 5.651-04 847.

1.154-03 8.405-04 NNW 725.

725.

1.257-03 9.233-04 725.

1.460-03 1.069-03 725.

2.244-03 1.635-03 g

ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 C

yg Not applicable--over Lake Michigan tn HH eO co Z ui H

H

O O

O TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR KR 90 DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELE ASE D!RECTION AREA BOUND RADIUS S

58AR RADIUS V

VBAR RADIUS G

GBAR (METERS)

(METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

7.076-04 5.045-04 469.

7.320-04 5.200-04 469.

1.062-01 7.487-04 NNE 475.

475.

9. 59'J- 0 4 6.842-04 475.

9.108-04 6.474-04 475.

1.066-03 7.512-04

[

o

%J NE 400.

400.

400.g ENE 400.

400.

400. -

Z hJ E

400.

[.

ESE 400.

400.

U1 SE 400.

400.

100.

SSE 400.

400.

5 433.

433.

9.205-04 6.560-04 433.

9.176-04 6.516-04 433.

1.252-03 8.826-04 SSW 439.

439.

8.059-04 5.742-04 439.

9.785-04 6.939-04 439.

1.637-03 1.154-03 SW 518.

518.

3.3G4-04 2.398-04 518.

3.835-04 2.721-04 518.

5.364-04 3.784-04 WSW 671.

671.

1.404-04 1.001-04 671.

1.507-04 1.069-04 671.

1.082-04 1.328-04 W

658.

650.

1.533-04 1.092-04 650.

1.614-04 1.145-04 658.

2.112-04 1.490-04 WNW 893.

893.

5.232-05 3.727-05 893.

4.680-05 3.323-05 893.

3.995-05 2.820-05 NW 847.

847.

8.622-05 6.143-05 847.

6.701-05 4.767-05 847.

3.551-05 2.506-05 NNW 725.

725.

1.941-04 1.384-04 725.

1.636-04 1.164-04 725.

1.276-04 9.004-05 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 QW Ek

Not applicable--over Lake Michigan p2 H us HH eO cm z U1 H

H

hd O'v v

TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE131M DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE mixed MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GBAR (METERS) (METERS) (MRAD /vR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

1.38G-05 5.209-06 469.

5.264-04 7.296-05 469.

1.226-03 1.644-04 N

H NNE 475.

475.

1.88G-05 6.339-06 475.

3.3RO-04 4.888-05 475.

1.026-03 1.369-04 400.

O

%J NE 400.

400.

e ENE 400.

400.

4 bJ E

400.

I ESE 400.

400.

SE 400.

400.

h SSE 400.

400.

5 433.

433.

1.490-05 5.160-06 433.

1.348-04 2.126-05 433.

4.864-04 6.634-05 SSW 439.

439.

1.957-05 6.052-06 439.

1.190-04 1.952-05 439.

4.474-04 6.276-05 SW 518.

518.

1.156-05 3.760-06 518.

7.202-05 1.205-05 518.

2.464-04 3.505-05 WSW 671.

671.

7.869-06 2.515-06 671.

3.672-05 6.497-06 671.

1.260-04 1.817-05 w

658.

8.397-06 2.615-06 658.

4.087-05 7.115-06 658.

1.407-04 2.021-05 WNw 893.

893.

6.146-06 1.861-06 893.

2.699-05 4.801-06 893.

8.406-05 1.242-05 NW 847.

847.

9.336-06 2.836-06 847.

5.720-05 9.511-06 847.

1.504-04 2.176-05 NNW 725.

725.

1.257-05 4.321-06 725.

8.501-05 1.445-05 725.

2.201-04 3.172-05 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 4 1s

Not applicable--over Lake Michigan cM z <:

trj w U3 HH u) O 03 z Ln H

H

('N Y

NI TABLE 7.2-8 (Cont'd)

ZION l&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE133M DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE G90UND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR' RADIUS G

GBAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

6.439-05 3.215-05 469.

8.678-04 2.475-04 469.

1.951-03 5.330-04

[

NNE 475.

475.

7.816.-05 3.792-05 475.

5.829-04 1.748-04 475.

1.624-03 4.408-04 l

.a NE 400.

400.

o

+

ENE 400 400.

400.

Z bJ E

400.

ESE 400.

400.

I I$

SE 400.

400.

SSE 400.

400.

5 433.

433, 6.368-05 3.115-05 433.

2.548-04 8.343-05 433.

7.886-04 2.204-04 SSW 439.

439.

7.447-05 3.525-05 439.

2.344-04 7.952-05 439.

7.474-04 2.163-04 SW 518.

518.

4.631-05 2.225-05 518.

1.448-04 4.995-05 518.

4.176-04 1.229-04 WSW 671.

671.

3.096-05 1.480-05 671.

7.829-05 2.823-05 671.

2.166-04 6.474-05 W

658 658.

3.217-05 1.526-05 658.

8.567-05 3.051-05 658.

2.409-04 7.170-05 WNW 893.

893.

2.287-05 1.075-05 893.

5.783-05 2.093-05 893.

1.482-04 4.551-05 NW 847.

847.

3.485-05 1.640-05 847.

1.142-04 3.919-05 847.

2.593-04 7.774-05 NNW 725.

725.

5.328-05 2.601-05 725.

1.737-04 8.071-05 725.

3.781-04 1.129-04 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 Qc

Not applicable--over Lake Michigan 2

til w Cn HH us O co z Un H

H

O k)

\\ j/

^

O

/

w w

s TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE133 DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEtSE DIRECTION AREA BOUND RADIUS S

S8AR RADIUS V

VBAR RADIUS G

GSAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /vR)/(UCI/SEC)

N 469.

469.

7.161-05 2.808-05 469.

9.318-04 2.554-04 469.

2.100-03 5.623-04 NNE 475.

475.

8.740-05 3.363-05 475.

6.322-04 1.792-04 475.

1.745-03 4.653-04 h

%J NE 400 400.

400.

O 400.

Z ENE 400.

400.

bJ E

400.

[,

ESE 400 400.

400.

co SE 400.

400.

+

SSE 400.

400.

S

433, 433.

7.088-05 2.741-05 433.

2.786-04 8.338-05 433.

8.563-04 2.334-04 SSW 439.

439.

8.19's-05 3.099-05 439.

2.572-04 7.869-05 439.

8.207-04 2.293-04 SW 518.

518.

5.095-05 1.946-05 518.

1.586-04 4.898-05 518.

4.603-04 1.300-04 WSW 671.

671.

3.398-05 1.293-05 671.

8.615-05 2.737-05 671.

2.401-04 6.856-05 W

658.

3.549-05 1.344-05 658.

9.430-05 2.974-05 658.

2.668-04 7.597-05 WNW 893.

893.

2.527-05 9.512-06 893.

6.398-05 2.040-05 893.

1.655-04 4.813-05 NW

847, 847.

3.845-05 1.448-05 847.

1.258-04 3.882-05 847.

2.876-04 8.229-05 NNW 725.

725.

5.868-05 2.265-05 725.

1.913-04 5.967-05 725.

4.192-04 1.197-04 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 4

C

Not applicable--over Lake Michigan Z

t9 H tn HH eO CD Z (n

H H

O O

O TABLE 7.2-8 (Cont'd)

ZICM4 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE135M DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND 4ADIUS S

SBAR RADIUS V

VBAR RADIUS G

GEIR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

8.749-04 5.409-04 469.

4.359-03 2.655-03 469.

9.479-03 5.759-03 N

NNE 475.

475.

1.040-03 6.426-04 475.

3.242-03 1.979-03 475.

7.799-03 4.737-03

-a NE 400.

400.

Z ENE 400.

400.

bJ E

400.

[a ESE 400.

400.

y)

SE 400.

400.

SSE 400.

400.

S 433.

433.

0.622-04 5.329-04 433.

1.756-03 1.076-03 433.

4.223-03 2.569-03 SSW 439.

439.

9.506-04 5.872-04 439.

1.740-03 1.067-03 439.

4.312-03 2.627-03 SW 518.

518.

5.770-04 3.566-04 518.

1.037-03 6.360-04 518.

2.333-03 1.422-03 wSW 671.

671.

3.616-04 2.234-04 671.

5.638-04 3.463-04 671.

1.160-03 7.076-04 w

658.

3.775-04 2.332-04 658.

6.085-04 3.736-04 658.

1.291-03 7.874-04 WNW 893.

893.

2.469-04 1.525-04 893.

3.719-04 2.285-04 893.

7.261-04 4.433-04 NW 847 847.

3.817-04 2.357-04 847.

6.564-04 4.028-04 847.

1.203-03 7.339-04 NNW 725.

725.

6.324-04 3.909-04 725.

1.106-03 6.790-04 725.

1.908-03 1.164-03 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 4

C

Not applicable--over Lake Michigan 2

t9 H (n

>d H eO co Z U1 i

Fd

O O

O TABLE 7.2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE135 DOWNWIND RESTRICTED ELEVATED (STACM) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GUAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UC1/SEC)

N 469.

469.

5.851-04 3.164-04 469.

3.761-03 2.014-03 469.

7.944-03 4.249-03 g

NNE 475.

475.

6.860-04 3.708-04 475.

2.715-03 1.456-03 475.

6.550-03 3.503-03 g

NE 400.

400.

O 400.

400.

Z

,a ENE 400.

400.

h3 E

400.

I ESE 400.

400.

SE 400.

400.

SSE 400.

400.

S 433.

433.

5.646-04 3.052-04 433.

1.344-03 7.219-04 433.

3.324-03 1.779-03 SSW 439.

439.

6.343-04 3.428-04 439.

1.298-03 6.978-04 439.

3.314-03 1.775-03 Sw 518.

518.

4.014-04 2.170-04 518.

8.187-04 4.403-04 518.

1.893-03 1.014-03 WSw 671.

671.

2.662-04 1.439-04 671.

4.688-04 2.524-04 671.

1.002-03 5.373-04 W

658.

2.741-04 1.481-04 658.

5.048-04 2.717-04 658.

1.108-03 5.940-04 WNW 893.

893.

1.923-04 1.039-04 893.

3.468-04 1.867-04 893.

7.097-04 3.807-04 NW 847.

847.

2.935-04 1.586-04 847.

6.377-04 3.429-04 847.

1.201-03 6.438-04 NNw 725.

725.

4.698-04 2.540-04 725.

9.959-04 5.358-04 725.

1.746-03 9.357-04 e

ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 Not applicable--over Lake Michigan z<

tef H Cl1 HH eO co Z (n

H H

(D C)

O V

t U

TABLE 7. 2-8 (Cont'd)

ZION 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE137 DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GBAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UC1/SEC)

N 469.

469.

3.032-04 1.959-04 469.

8.552-04 5.504-04 469.

2.061-03 1.325-03

%J NNE 475.

475.

3.743-04 2.418-04 475.

7.142-04 4.600-04 475.

1.701-03 1.093-03

[j NE 400.

400.

C) h3 ENE 400.

400.

400(.

Z l

E 400 400.

400.

h#

ESE 400.

400.

SE 400.

400.

SSE 400.

400.

5 433.

433.

3.162-04 2.042-04 433.

4.847-04 3.124-04 433.

1.109-03 7.128-04 SSW 439.

439.

3.279-04 2.118-04 439.

5.046-04 3.252-04 439.

1.216-03 7.818-04 SW 518.

518.

1.822-04 1.177-04 518.

2.656-04 1.712-04 518.

5.857-04 3.766-04 WSW 671.

671.

1.037-04 6.699-05 671.

1.343-04 8.658-05 671.

2.616-04 1.682-04 W

658.

1.114-04 7.195-05 658.

1.454-04 9.377-05 658.

2.946-04 1.894-04 WNW 893.

893.

6.541-05 4.226-05 893.

7.585-05 4.893-05 893.

1.315-04 8.457-05 NW 847.

847.

1.029-04 6.647-05 847.

1.201-04 7.746-05 847.

1.981-04 1.274-04 NNW 725.

725.

1.799-04 1.162-04 725.

2.250-04 1.451-04 725.

3.734-04 2.401-04 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75

Not applicable--over 1,ake Michigan Z4 t9 H in HH u) C) co Z U1 H

H

O Ch i

t i

\\m)

%)

TABLE 7.2-8 (Cont'd)

ZI(n1 1&2 MAXIMUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR XE138 DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE MIXED MODE (VENT) RELEASE GROUND LEVEL RELEASE DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GBAR (METERS) (METERS) (MRAD /YR)/(UCl/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS,1 (MRAD /YR)/(UCI/SEC)

N 469.

469.

2.052-03 1.487-03 469.

9.160-03 6.562-03 469.

1.957-02 1.398-02 NNE 475.

475.

2.432-03 1.762-03 475.

6.908-03 4.95n-03 475.

1.608-02 1.148-02 Ny

-J NE 400.

400.

ENE 400.

400.

g b3 E

400.

ESE 400.

400.

[3 ba SE 400.

400.

SSE 400.

400.

S 433.

433.

2.019-03 1.463-03 433.

3.838-03 2.760-03 433.

8.777-03 6.270-03 SSW 439.

439.

2.229-03 1.616-03 439.

3.837-03 2.762-03 439.

9.022-03 6.450-03 SW 518.

518.

1.359-03 9.857-04 518.

2.296-03 1.654-03 518.

4.880-03 3.489-03 WSW 671.

671.

8.477-04 6.147-04 671.

1.253-03 9.036-04 671.

2.418-03 1.730-03 W

658.

8.831-04 6.402-04 658.

1.349-03 9.725-04 658.

2.691-03 1.925-03 WNW 893.

893.

5.758-04 4.174-04 893.

8.223-04 5.930-04 893.

1.508-03 1.079-03 NW 847.

847.

8.918-04 6.464-04 847.

1.435-03 1.034-03 847.

2.483-03 1.777-03 NNW 725.

725.

1.481-03 1.071-03 725.

2.431-03 1.752-03 725.

3.954-03 2.828-03 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 o

C:

Not applicable--over Lake Michigan z

tO H U1 HH eO co Z Ut H

H

(~)

Ou O

U m

TABLE 7.2-8 (Cont'd) 1 ZION 1&2 MAXIWUM OFFSITE FINITE PLUME GAMMA DOSE FACTORS FOR AR 41 DOWNWIND RESTRICTED ELEVATED (STACK) RELEASE mixed MODE (VENT) RELEASE GROUND LEVEL RELEASE

, DIRECTION AREA BOUND RADIUS S

SBAR RADIUS V

VBAR RADIUS G

GBAR (METERS) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC) (METERS) (MRAD /YR)/(UCI/SEC)

N 469.

469.

2.500-03 1.763-03 469.

1.359-02 9.582-03 469.

2.004-02 1.977-02 NNE 475.

475.

2.916-03 2.056-03 475.

9.950-03 7.014-03 475.

2.309-02 1.628-02 N

H NE 400.

400.

h

[

ENE 400.

400.

N3 E

400.

I ESE 400 400.

400.

bJ SE 400 400.

400.

SSE 400.

400.

S 433.

433.

2.403-03 1.694-03 433.

5.105-03 3.509-03 433.

1.180-02 8.321-03 SSW 439.

439.

2.721-03 1.918-03 439.

5.013-03 3.534-03 439.

1.183-02 8.339-03 SW 518.

518.

1.709-03 1.219-03 518.

3.171-03.2.235-03 518.

6.714-03 4.734-03 WSW 671 671.

1.13.-03 7.971-04 671.

1.820-03 1.283-03 671.

3.533-03 2.491-03 W

658.

650.

1.160-03 8.181-04 658.

1.952-03 1.376-03 658.

3.903-03 2.751-03 WNW 893.

893.

8.084-04 5.699-04 893.

1.324-03 9.331-04 893.

2.468-03 1.740-03 NW 847 847.

1.236-03 8.717-04 847.

2.386-03 1.682-03 847.

4.162-03 2.934-03 NNW 725.

725.

1.992-03 1.405-03 725.

3.781-03 2.666-03 725.

6.104-03 4.306 ZION 142 SITE METEOROLOGICAL DATA 1/73 - 12/75 Q

C

Not applicable--over I,ake Michigan trj w z

tO HH WO ao z ui H

I

>-a l

l I

2 3

4 s

1-n l

l a

.' _ _UNR E S TRICTE D AR E A BOUND ARY

__.__\\_

y p f,!

-e. _

fl,t p

\\

i l t

,r g 61 I

l

hs 1

3 --.

L_

1 3J o.

~.

1

--- z- :.n :

_ _ t - __

- :6' g

_. _ x_.

.,-1 I

.. m.

__. _ _ _ r _u,

~

sue I

l

\\'

\\\\

l 1

l

's

/:..

, _,e.

I F

j s

x t -

0 x

\\

-]7'~

-92 sr 1

1 L.

- - I

\\' - _

c s

l

,x m;.

n I

i 6

I

.i t

N<' '7.,7 t 2r* sr.

l 1

w I

~

i

'.l L.

_1

._ s % s s.:-

p e.,,

L,

,)

~ :'

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REVISION ll ZION JUNE 1985 ) .) 8.0 RADIOACTIVE EFFLUENT TREATMENT SYSTEMS, MODELS FOR SETTING GASEOUS AND LIQUID EFFLUENT MONITOR ALARM AND TRIP SETPOINTS, AND ENVIRONMENTAL RADIOLOGICAL MONITORING TABLE OF CONTENTS PAGE 8.1-1 8.1 GASEOUS RELEASES 8.1-3 8.1.1 Auxiliary Building Monitors 8.1-4 8.1.2 Containment Purge and Vent Monitors 8.1-4 l 8.1.3 Gas Decay Tank Monitors 8.1-4 Miscellaneous Ventilation Monitors 8.1.4 8.1-5 8.1.5 Condenser Air Ejector Monitors 8.1-5 8.1.6 Service Building Ventilation Monitor 8.1.7 Allocation of Ef fluents f rom Common 8.1-5 Release Points ) 8.1.8 Symbols Used in Section 8.1 8.1-6 gs t 8.1-7 8.1.9 Constants Used in Section 8.1 y 8.2-1 8.2 LIQUID RELEASES 8.2-2 8.2.1 Lake Discharge Tank Monitors 8.2.1.1 Administrative and Procedural ^ 8.2-3 Controls for Radwaste Discharge 8.2-4 8.2.2 Turbine Building Fire Sump Monitor 8.2.3 Allocation of Ef fluents f rom 8.2-4 Common Release Points 8.2-6 8.2.4 Symbols Used in Section 8.2 8.3 SOLIDIFICATION OF WASTE / PROCESS 8.3-1 CONTROL PROGRAM ENVIRONMENTAL RADIOLOGICAL MONITORING 8.4-1 8.4 O 8-1

i ZION REVISION 11 JUNE 1985 O) \\_ ODCM LIST OF TABLES FOR ZION SECTION 8.0 NUMBER TITLE PAGE 8.1-1 Assumed Composition of the Zion Station Noble Gas Effluent 8.1-8 8.1-2 Gaseous and Liquid Monitors 8.1-9 8.4-1 Environmental Radiological Monitoring Program 8.4-2 8.4-2 Reporting Levels for Radioactivity Cencentrations in Environmental Samples 8.4-7 8.4-3 Maximum Values for the Lower Limits of Detection (LLD) 8.4-8 (:) 8-ii

ZION REVISION 11 JUNE 1985 O ) ODCM LIST OF FIGURES FOR ZION SECTION 8.0 NUMBER TITLE 8.1-1 Simplified HVAC Effluent Diagram 8.2-1 Simplified Liquid Effluent Diagram 8.4-1 Locations of Fixed Environmental Radiological Monitoring Stations 8.4-2 Inner Ring TLD Locations 8.4-3 Fixed Air Sampling Sites and Outer Ring TLD Locations O O 8-iii

ZION REVISION 11 JUNE 1985 8.0 RADIOACTIVE EFFLUENT TREATMENT SYSTEMS, [) MODELS FOR SETTING GASEOUS AND LIQUID \\w ' EFFLUENT MONITOR ALARM AND TRIP SETPOINTS, AND ENVIRONMENTAL RADIOLOGICAL MONITORING 8.1 GASEOUS RELEASES A simplified HVAC effluent diagram is provided in Figure 8.1-1. l Alarm and trip setpoints of gaseous effluent monitors at the principal release points are established to ensure that the release limits of 10 CFR 20 are not exceeded. The monitor set-points are found by solving Equations 2.6 and 2.7 for a con-servative mixture of radionuclides found in gaseous effluents. For this evaluation the following assumptions are made: a. All gaseous releases are considered to be vent type releases. kJ'h b. The gaseous effluent is considered to be a constant radionuclide mixture (Table 8.1-1). The mixture was conservatively chosen based on station isotopic release data averaged over a period of seven years (1977 through June 1984). Given these assumptions, Equations 2.6 and 2.7 are reduced to l the following expressions: 1.11 ) V f O <500 mrem / year (8.1) i i T 1 Li ( X/0) yfOi T **P (- h iR/3600u ) + 1.11 (V f g I y gfT < 3000 mrem / year (8.2) V Gamma Whole Body Dose Constant, (mrad /yr per f Vent Release / ec) The gamma ray whole body dose (_) constant for each nuclide released from the station vent (Table 7. 2-8). 8.1-1 em

ZION REVISION 11 JUNE 1985 ) f Fractional Radionuclide Composition i The fraction of effluent activity due to nuclide i. Q Maximum Total Ef fluent Release Rate (PCi/Gec) p The maximum total release rate of radioactivity. E Beta Skin Dose Constant (mrem / gear per i pCi/m ) The skin dose factor due to beta rays emitted by each nuclide (Table 7.1-13). ( X/Q) y Relative Effluent Concentration, (sec/m ) Vent Release () The highest calculated annual average relative concentration at ground level at or beyond the restricted area boundary for vent releases (Table 7.2-6). A t Radiodecay Constant (hr- ) The radiological decay constant for nuclide i (Tables 7.1-9 and 7.1-11). R Downwind Range (m) The distance downwind to the point of interest (T ables 7.2-6, 7.2-7, and 7.2-8). u Wind Speed, Vent Release (m/sec) y () The average wind speed for a vent release (T able 7. 2-6). 8.1-2

ZION REVISION 11 JUNE 1985 V. Gamma Air Dose Constant, Vent (mrad / year Release Per mci /sec) The gamma ray air dose constant for each identified noble gas radio-nuclide released from a vent (Table 7.2-8). 1.11 Conversion Constant (mrem / mrad) Converts mrad to mrem. 3600 Conversion Constant (sec/hr) Converts hours to seconds. The monitor alarm and trip setpoints will be established based on the equation which yields the smallest Q value. T The exact settings will be selected to ensure that 10 CFR 20 /~h (_/ limits are not exceeded. Calibration methods and surveillance frequency for the monitors will be conducted as specified in the Technical Specifications. 8.1.1 Auxiliary Building Monitors Release of radioactive noble gases from the auxiliary building are continuously monitored by an offline monitoring system consisting of one instrument channel (lRTPR25 and 2RTPR25) for each unit's exhaust ducts and one channel (ORE 0014 ) common. to both units. No automatic isolation or control functions are employed by these monitors. On high alarm the control room operator will notify the health physics group and reduce the release rate g as appropriate. Pertinent information on these monitors is provided in Table g 8.1-2. 8.1-3

ZION REVISION 11 JUNE 1985 l 8.1.2 Containment Purge and Vent Monitors Instrument channels 1RTPRO9A and 2RTPRO9A continuously monitor noble gas effluent from the Unit 1 and Unit 2 containments, respectively. On high alarm, the monitors automatically ini-tiate closure of the four air-operated butterfly valves (RV0001, RV0002, RV0003, and RV0004 purge valves for each unit). No auto-matic isolation or control is provided by these monitors for vent releases through valves RV0005 and RV0006. I Pertinent information on these monitors and associated control I devices is provided in Table 8.1-2. 8.1.3 Gas Decay Tank Monitors Instrument channels ORTPR10A and B provide low-and high-range f-'S monitoring of noble gas activity released from the gas decay \\/ tanks. On high alarm the monitor automatically initiates closure of the RCV014 valve thus terminating the release. Pertinent information on these monitors and associated control I devices is provided in Table 8.1-2. 8.1.4 Miscellaneous Ventilation Monitors Instrument channel ORTPR18B continuously monitors noble gas activity in the ventilation exhaust from the auxiliary equip-ment room, computer room, laboratories, decontamination room, and other miscellaneous areas. No control device is initiated by this channel. Pertinent information on this monitor is provided in Table 1 8.1-2. 8.1-4

ZION REVISION 11 JUNE 1985 V' 8.1.5 Condense Air Ejector Monitors Instrument channels 1RE0015 and 2RE0015 provide an offline continuous monitoring of the condenser air ejector gas from Units 1 and 2, respectively. No control device is initiated by this channel. Pertinent information on these monitors is provided in Table 8.1-2. 1 8.1.6 Service Building Ventilation Monitor Instrument channel ORTPR22 continuously monitors noble gas activity in the service building ventilation system. No control device is initiated by this channel. O (_) Pertinent information on this monitor is provided in Table 8.1-2. 8.1.7 Allocation of Ef fluents From Common Release Points l Radioactive gaseous effluents released from the auxiliary building miscellaneous ventilation system, and the gas decay tanks are comprised of contributions from both units. Under normal operating conditions, it is difficult to apportion the radioactivity between the units. Consequently, allocation will normally be made evenly between units. During refueling outages or periods of known major in plant leakage, the appor-tionment will be adjusted accordingly. The allocations of effluents will be estimated on a monthly basis. b> x-8.1-5

{ ZION REVISION 11 O JUNE 1985 8.1.8 Symbols Used in Section 8.1 SYMBOL NAME UNIT V Gamma Whole Body Dose Constant, (mrad /yr per i Vent Release pCi/sec) f Fractional Release i Qg Maximum Total Ef fluent Release Rate (pCi/sec) E Beta Skin Dose Constant (mrem /yr per i 3 UCi/m ) 3 ( X/Q) y Relative Effluent Concentration, (sec/m ) Vent Release l Radiodecay Constant (hr-1) i R Downwind Range (m) u Wind Speed, Vent Release (m/sec) y 4 V Gamma Air Dose Constant, Vent Release (mrad /yr per i DCi/sec) e i 8.1-6

4 4 ZION REVISION 11 JUNE 1985 8.1.9 Constants Used in Section 8.1 l 4 NUMERICAL VALUE NAME UNIT I 1.11 Conversion Constant (mrem / mrad) b a i 3600 Conversion Constant (sec/hr) + 4 i J l .i I 9 i f J i I i l t i i l } i t 8.1-7 i i

2. - -. - -

.~.

r i ZION REVISION 11 JUNE 1985 ThBLE 8.1-1 ? \\ ASSUMED COMFOSITION OF THE ZION STATION i NOBLE GAS EFFLUENT PERCENT OF ISOTOPE EFFLUENT Ar-41

1. 9 2x 10"I

~4 Kr-83m 1.0x10 ~1 l Kr-85m 2.24x10 -2 i Kr-85 5.50x10 l Kr-87 1.22 I Kr-88 3.19 -4 Kr-89 1.0x10 Xe-131m 1.85 -1 Xe-133m 7.56x10 l Xe-133 8.36x10+1 -1 { Xe-135m 1.03x10 Xe-135 8.79 ~4 i Xe-137 1.0x10 -3 Xe-138 4.37x10 i l Notes Based on station isotopic release data averaged over seven years (1977 through June 1984). 8.1-8 i

w s-~ (N, 4 i I i TABLE 8.1-2 i, GASEOUS AND LIQUID MONITORS I MONITOR'* *

RESPONSE

DETECTOR

mereacE POINT RAD MONITOR TYPE LOCATION DISPLAY _

RANGE l 6 4 Unshielded 642 ft level Logarithmic 10 - 10 e p, l Auxiliary Building ORE 0014 (plenum common to Geiger-Muller Auxiliary Building j both Units) tubes in parallel 1E 2 RTPR25 Shielded C-M 642 ft level Log 10 - 10 cpm (Units I s 2 Auxiliary tube Auxiliary Building Building Enhaust ducts, respectively) 5 Containment Purge 1 s 2 RTPR09A Shielded G-M 617 ft level Log 10 - 10 e p, (U-1 and U-2 Containment, tube Auxiliary Rullding i and Vent respectively) Shielded G-M $42 ft level Log 10'_6 - 10[ 2 pegjec l 10 - 10

Ci/cc Gas Decay Tank ORTPRIO AsB Auxiliary Building (Iow and high range noble tube o

gas monitors, respectively) n 5 Shielded C-M 617 ft level Log 10 - 10 e p, a Miscellaneous Vents ORTPR18B Auxiliary Building tube e, 0 l Condenser Air I& 2 RE0015 Shielded G-M 592 f t level Log 10 - 10 epe g Ejector (Units 1 and 2 condenser tube Turbine Building air ejector, respactively) 10 - 10'2 PC1/ml Lake Discharge ORTPR04 and ORTPROS Shielded G-M 542 ft level Log tube Auxiliary Building Tanks (OA and OB) Shielded NaI $60 ft level Log 10 - 10' cpm j Turbine Building ORTPR25 Turbine Rullding Detector Fire Sump 5 Shielded G-M 600 ft level Log 10 - 10 cp, t I Service Building ORTPR22 tube j ~= 1 5

Location of detector plus local controls; pumps, etc.

50 $Z I

- Monitor s' displays, r ecorders, alar ms, and remote controls are located in the control room.

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___ m_ TABLE 8.1-2 (Cont'd) l RAD MONITOR CONTROL CONTROL DEVICE CONTROL DEVICE RAD MONITOR POWER SUPPLY DEVICE LOCATION POWER SUPPLY ORE 0014 NSSS inverters N.A. N.A. N.A. I and 2 RTPR25 Note 1 Blowers: MCC 1341 (U-1) N.A. N.A. N.A. MCC 2341 (U-2) ( 120-V ac) 120-Vac 1 and 2 RTPR09A Note 1 RV0001, RV0002 RV0001 Inside Containment RV0001 MCC 1371

(U-1)

Blowers: MCC 1381* (U-1) RV0003, RV0004 RV0003 630 ft elevation RV0003 2371 * (U-2) l MCC 2381* (U-2) RV0002 Outside Containment RV0002 MCC 1381 * (U-1) 1 RV0004 630 ft elevation RV0004 2381 * (U-2) ORTPRIO A and B Note 1 560 ft elevation Auxiliary 125-vde Blowers MCC 2388* RCV014 Bullling (in OA Waste Gas d-c Distribution Panel 114 (120-Vac) Compressor Room) ORTPRISB Note 1 N.A. N.A. N.A. N 8 Blower: MCC 2371* M (120-Vac) 1 and 2 RE0015 Note 1 N.A. N.A. N.A. ORTPR04 Note 1 OFCVWD 08 and 560 ft elevation Turbine 120-Vac and OFCVWD 10, Building a-c Instrument Bus 114 ORTPROS respectively ORTPR25 Note 1 OTD 001 560 ft elevation Turbine 120-Vac Detector: MCC 1321 OTD 002 Building OTD001 MCC 1323 OTD 003 OTD006 OTD 004 OTD002 MCC 2323 OTD003 4m

h. k MH Note 1: Control Room Cabinets - Control Power: MCC 1381

or MCC 1391 * (Unit 1) - 120-Vac.

wU MCC 2381

or MCC 2391 * (Unit 2) - 120-Vac.

- Instrument Power: Unit I and Unit 2 instrument power from NSSS inverters (120-vac) C Power supplied by essential huses (137, 237, 138, 238, 139, 239)

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ZION REVISION 11 JUNE 1985 8.2 LIQUID RELEASES A simplified liquid effluent diagram is provided in Figure 8.2-1. Alarm and trip setpoints of liquid effluent monitors at the principal release points are established to ensure that the release limits of 10 CFR 20 are not exceeded in the unrestricted 4 area. The monitor setpoints are found by solving Equation 8.3 for a conservative mixture of radionuclides found in liquid effluents. For this evaluation the following assumptions are made: a. Discharge and dilution flow rates for each release path during normal operation are used, b. The liquid effluent is considered a constant " worst" case radionuclide mixture chosen cased on station isotopic analysis data reviewed for 1978. ) P $ mpe x (8.3) P Release Setpoint (#Ci/ml) The alarm setpoint for radioactivity to be released in liquid effluents. C, Maximum Permissible Concentration (pCi/ml) The maximum permissible concentration for the " worst" case radionuclide mix. 1 F Dilution Flow Rate (gpm) The flow rate of the radwaste dilution water stream (condenser cooling water). I F Discharge Flow Rate (gpm) [ The flow rate from the radwaste discharge tank. 8.2-1

ZION REVISION 11 JUNE 1985 Calibration methods and surveillance frequency for the monitors will be conducted as specified in the Technical Specifications. 8.2.1 Lake Discharge Tank Monitors There are two lake discharge t4nks (OA + OB, 30,000-gallon capacity each) which receive l'iquid waste before discharge to Lake Michigan. Prior to each batch release, the water is recirculated (minimum 2 hours) then sampled and analyzed. The results of the analysis of the waste sample determine the discharge rate of each batch as follows: F = mpc x et max c (8.4) O V F,,x Maximum Permitted Discharge (gpm) Flow Rate The maximum permitted flow rate from the radwaste discharge tank. Ffct Actual Dilution Flow Rate (gpm) The actual flow rate of the radwaste dilution stream (based on pump curves). C Sample Activity (pC i/ml) The concentration of radioactivity in the radwaste discharge tank based on measurements of a sample drawn from the tank. O' Lake discharge tank release permits are used for determining and documenting the discharge rate. 8.2-2

ZION REVISION 11 JUNE 1985 Instrument channels ORTPRO4 and ORTPROS are used to monitor all releases from the lake discharge tanks. On high alarm the monitor automatically initiates closure of a valve to prevent further release. The valve is located over 250 feet downstream of the monitor to allow closure prior to exceeding release limits. The monitor setpoints are found by solving Equation 8.3 for a conservative " worst" case mixture of radio-nuclides in liquid effluents. Pertinent information on the monitor and associated control devices are provided in Table 8.1-1. 8.2.1.1 Administrative and Procedural Controls For Radwaste Discharge Administrative and procedural controls have been implemented to ensure proper control of radioactive liquid radwaste discharges, \\- and to preclude a release in excess of 10 CFR 20 limits. The discharge rate for each batch is calculated by a technician (see Equation 8.4) and a lake discharge tank release permit is completed. The operating staff then verifies that the release meets licensee limits. The automatic isolation function of the appropriate lake discharge tank and monitors is verified operable prior to the release. The discharge valve is kept closed and tagged out of service at all times except during the discharge. The release or discharge rate is controlled at the radwaste panel where the operator sets the high flow alarm. A documented valve checklist is prepared for each batch discharged. The proper valve lineup is checked by the operator and the rad-waste foreman, prior to release. On high radiation monitor alarms, the release is automatically terminated. On high flow alarm the operator is instructed to reduce flow to within proper limits. These controls are documented in Station Operating 8.2-3

ZION-REVISION 11 JUNE 1985 O~ and Administrative Procedures. 8.2.2 Turbine Building Fire Sump Monitor The turbine building floor and equipment drain tanks receive turbine bu'ilding waste which is released to the fire sump for processing by the Waste Water Treatment Facility and ultimate discharge into Lake Michigan. The discharge con-stitutes a low level radioactive release. This release path is a continuous discharge; consequently, the release rate (FE) in Equation 8.3 is set equal to maximum design capacity for the pumps on the effluent of the Waste Water Treatment Facility. The fire sump is sampled and quantified daily. The discharge line from the fire sump pumps to the Waste Water Treatment Facility is continuously monitored by instrument channel ORPPR25. On high alarm, the monitor automatically trips all of the fire sump pumps thereby containing the liquid in the turbine building. The monitor setpoints are found by solving Equation 8.3 for a conservative " worst" case mixture of radionuclides in liquid effluents. Pertinent information on the monitor and associated control devices are provided in Table 8.1-1. 8.2.3 Allocation of Effluents From Common Release Points Radioactive liquid effluents released from the radwaste treatment system and turbine building fire sump are comprised of contributions from both units. Under normal operating conditions it is difficult to apportion the radioactivity between the units. Consequently, allocation will normally be made evenly between units. During refueling outages or periods of known major in-plant leakage, 8.2-4

[ ZION REVISION 11 JUNE 1985 the apportionment will be adjusted accordingly. The allocation of the effluents will be estimated on a monthly basis. O 8.2-5

l ZION REVISION 11 JUNE 1985 1 lO 8.2.4 Symbols Used in Section 8.2 l SYMBOL NAME UNIT 3 P Release Setpoint (pCi/ml) C Maximum Permissible. Concentration (pCi/ml) l mpe F Dilution Flow Rate (gpm) i I F Discharge Flow Rate (gpm) l l F[,x Maximum Permitted Discharge Flow Rate (gpm) d F Actual Dilution Flow Rate (gpm) act c Sample Activity (pCi/ml) I 4 4 I t 8.2-6

REVISION 11 JUNE 1985 ont-Pats a FI Olt X SEP T. a U El U 0 '" ."9 Ys5 50-300 oru AA010 ACTIVE CIACLEATING gggggg50t CDCOISER CI M ATING RA010 ACTIVE $jD wita uMIT I t*li 2 uits (77j0 4 U clb YTE ~ ~ YTE 01 b

I c

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1. R OW = 0-735 000 GPu

. m m n n. u.000,. FIGURE 8.2-1

3. n= witm=0 n Pw SIMPLIFIED LIQUID "5

EFFLUENT DIAGRAM .i 3

ZION REVISION 11 JUNE 1985 O 8.3 I SOLIDIFICATION OF WASTE / PROCESS CONTROL PROGRAM i The process control program (PCP) shall contain the sampling, i i analysis, and formulation determination by which solidification of radioactive wastes from liquid systems is ensured. i I l 1 4 1 i } !O e i 4 J l = r i i l

O i

8.3-1 i i f I i,..-- n -- -. -. - ~. -, - - - -, - - - - .-...,-~..---

ZION REVISION 11 JUNE 1985 8.4 ENVIRONMENTAL RADIOLOGICAL MONITORING The environmental radiological monitoring program to be performed in the environs around Zion Station is given in Table 8.4-1. Figure 8.4-1 shows the 13 fixed air sampling sites, water sample locations, and milk sample locations. Figure 8.4-2 shows the " inner ring" (approximately 2 miles f rom the station) TLD locations. Figure 8.4-3 shows the " outer ring" (approximately 5 miles distant) TLD locations and additional water sample locations. The TLD's are code numbered as follows: XYY-N. Where: X=1 means inner ring, by,/ X= 2 means outer ring, and YY-N is an identification code. The reporting levels for radioactivity concentrations in environmental samples are given in Table 8.4-2. The lower limits of detection for this program are given in Table 8.4-3. O 8.4-1

t TABLE 8.4-1 ENVIRONMENTAL RADIOIDCICAL MONITORING PROGRAM EXPOSURc PATHWAY SAMPLING OR SAMPLING OR TYPE AND FREQUENCY AND/OR SAMPLE MONITORING LOCATIONS COLLECTION FREQUENCY OF ANALYSIS 1. Airborne a. Onsite or Near Field

Particulate Sampler:

Radioiodine and Z-01 Onsite No. 1 Continuous sampler Cross beta analysis Particulates South side 0.3 mi SSW operation with following filter change ** Z-02 Onsite No. 2 particulate filter West side 0.2 mi W collection weekly Radioiodine Canister: Z-03 Onsite No. 3 and radioiodine North side 0.2 mi N canister collection 1-131 analysis bi-weekly bi-weekly Sampling Train: Test and maintenance weekly M O co b. Far Field

Particulate Sampler:

a, i 2-04 Zion (W) 5.0 mi W continuous sampler Cross beta analysis DJ Z-05 Zion (SW) 3.5 mi SW operation with following filter change ** Z-06 Zion (WNW) 2.5 mi W particulate filter Z-07 Winthrop collection weekly Radiodine Canister: Harbor 2.5 mi N and radioiodine City Carage canister collection 1-131 analysis bi-weekly Z-08 Kenosha Road 3.6 mi E bi-weekly (Coleman) Sampling Train: Z-09 Waukegan 4.5 mi S Z-10 North 8.0 mi S Test and maintenance Chicago weekly ejfl Z-Il Southport 5.0 mi N Substation gj<g U2 Z-12 Flood Fara 11.0 SSW U$"o Z-13 Pleasant 10.0 NW CD Z Prairie DC w H

TABLE 8.4-1 (Cont'd) EXPOSURE PATHWAY SAMPLING OR SAMPLING OR TYPE AND FREQUENCY AND/OE SAMPLE MONITORING LOCATIONS COLLECTION FREQUENCY OF ANALYSIS 2. Direct a. At Air Sampling Sites

Quarterly Gasuna dose quarterly Radiation Same locations as fixed air sampling locations in Item 1.

b. Inner Ring *** Quarterly Gaauna dose quarterly 104 0.13 mi ENE 105 0.12 mi E 107-1 0.12 mi SE s 107-2 0.13 mi SE O 110 0.25 mi SSW 111 0.30 mi SW ^ l12-1 0.69 mi WSW E 112-2 0.67 mi WSW 113-1 0.56 mi W 113-2 0.67 mi W 114 0.59 mi WNW !!5-1 0.38 mi NW 115-2 0.32 mi NW MH(n HH eO mZ us H H

O O O TABLE 8.4-1 (Cont'd) EXPOSURE PATHWAY SAMPLING OR SAMPLING OR TYPE AND FREQUENCY AND/OR SAMPLE MONITORING LOCATIONS COLLECTION FREQUENCY OF ANALYSIS 2. Direct c. Outer Ringt Quarterly Gamma dose quarterly Radiation (Cont'd) 209-1 4.6 mi S 209-2 4.7 mi SSW 210 4.7 mi SSW 211-1 4.5 mi SSW 211-2 4.7 mi SW 212-1 4.4 mi WSW 212-2 4.6 mi WSW 213 4.6 mi W 214-1 4.3 mi WNW 214-2 4.5 mi WNW 215-1 4.5 mi WNW b3s 215-2 3.7 mi NW g 216-1 3.0 mi NNW i' 216-2 2.8 mi NNW a 3. Waterborne a. Public Z-14 Kenosha Water Works 10.0 mi N Weekly collection Gamma isotopic analysis Water Z-15 Lake County Water composited monthly monthly. Composite for Supply

Works 1.0 mi N tritium analysis quarterly 2-16 Waukegan Water Works 6.0 mi S Z-17 North Chicago Water Works 8.0 mi S Z-18 Lake Forest Water Works 14.0 mi S c 5!

Z-19 Great Lakes Naval 10.0 mi S fj$ Training Center U2 Water Works U$k$ mZ (n H H

O O O TABLE 8.4-1 (Cont'd) l EXPOSURE PATHWAY SAMPLING OR SAMPLING OR TYPE AND FREQUENCY l AND/OR SAMPLE MONITORING LOCATIONS COLLECTION FREQUENCY OF ANALYSIS l 3. Waterborne j (Cont'd) b. Cooling Z-22 Inlet at station Week 1v Gross beta analysis Water Z-23 Unit I discharge weekly. Composite Samplet at station for tritium analysis Z-23N Unit 2 discharge quarterly at station l c. Sedimentt Z-25 Lake Michigan, Semi-annually Gaasna isotopic analysis l Illinois semi-annually i Beach State Park 2.0 mi S co 4. Ingestion n ,r s A o a. Fish

Z-24 Lake Michigan Semi-annually Gasmaa isotopic analysis z

j near site at on edible portions of station each sample 4 1 j h. Milk

Z-20 Ames Dairy Farm 5.0 mi W Semi monthly when Gamma isotopic and l

Z-21 Steinbrink Farm 10.0 mi NNW animals are on pasture I-131 analysis on i (May to October); each sample j monthly at other I times i C-4 W 4 CM j z< i I MH C/3 i HH wO co Z tn H

O O O TABLE 8.4-1 (Cont'd) EXPOSURE PATHWAY SAMPLING OR SAMPLING OR TYPE AND FREQUENCY AND/OR SAMPLE MONITORING LOCATIONS COLLECTION FREQUENCY OF ANALYSIS 4. Ingestion (Cont'd) c. Food Products Samples of three Crown nearest each of two Monthly when available Gamma isotopic and I-131 different kinds different offsite locations and required; required analysis of broadleaf of highest predicted annual only if milk sampling is vegetation average ground level D/Q not performed (see Table 7.2-6) One sample each From a location 15 to Monthly when available Gamma isotopic and I-131 of broadleaf 30 km from the station in and required; required analysis [" vegetation direction of least pre-only if milk sampling not g s similar to that valent wind direction per formed m collected for the above requi rement

See Figure 8.4-1
- A gamma isotopic analysis shall be performed whenever the gross beta concentration in a sample exceeds by five times (5X) the average concentration of the preceding calender quarter for the sample location.
  - See Figure 8.4-2 t See Figure 8.4-3 yN c:z<

ta H tt) HH WO co Z (n H H

TABLE 8.4-2 REPORTING LEVELS FOR RADIOACTIVITY CONCENTRATIONS IN ENVIRONMENTAL SAMPLES i l ~ REPORTING LEVELS WATER AIRBORNEPARTICUgATE FISH MILK FOOD PRODUCTS ANALYSIS (pCi/1) OR GASES (pCi/m ) (pCi/Kg, wet) (pCi/1) (pCi/Kg, wet) H-3 2 x 10 4 54 1 x 10 3 x 10 h 2 4 59, 4 x 10 1 x 10 7 3 0 58 1 x 10 3 x 10 eo Co s g 4 60 x x 0 Co 65 Zn 2** 95 4 x 10 Zr-Nb 2 131 2 0.9 3 1 x 10 7 3 3 134 30 10 1 x 10 60 1 x 10 Cs 3 137 0 20 2 x 10 70 2 x 10 Cs 2** 2** 140 2 x 10 3 x 10 Ba-La c$ M:5 m

For drinking water samples. This is 40 CFR Part 141 value.
- Total for parent and daughter, s

O O O TABLE 8.4-3 MAXIMUM VALUES FOR THE LOWER LIMITS OF DETECTION (LLD)*' i l FISH MILK FOOD PRODUCTS SEDIMENT AIRBORNEPARTICUp)TE WATER OR CASES (pCi/m (pCi/Kg, wet) (pCi/1) (pCi/Kg, wet) (pCi/Kg, dry) ANALYSIS (pCi/1) -2 gross beta 4C 1 x 10 l 2 gansna 1 x 10 isotopic 3 2000 0 000 9 H ) 54 15 130 g 59, 30 260 j m 7 7 !*O m 58,60 15 130 l Co 65 30 260 l Zn 95 I Zr-Nb -2 131 1 7 x 10 1 60 C 7 -2 134,137 15 (10C),18 1 x 10 130 15 60 150 Cs 140 15 15" Ba-La hN l m l $ "o I =z un i

O O O TABLE 8.4-3 MAXIMUM VALUES FOR THE LOWER LIMITS OF DETECTION (LLD)*' l FISH MILK FOOD PRODUCTS SEDIMENT ^ AIRBORNEPARTICUp)TE (pCi/Kg, wet) (pCi/1) (pCi/Kg, wet) (pCi/Kg, dry) WATER OR CASES (pCi/m ANALYSIS (pCi/1) b -2 gross beta 4 Ix 10 2 1x 10 ganuma isotopic D 3 2000 (1000 ) H 54, 15 130 g 30 260 s 59, co 7 o 58,60 15 130 Co 65 0 260 Zn j 95 15* Zr-Nb b -2 131 l 7x 10 1 60 7 b -2 134,137 15 (10 ),18 1 x 10 130 15 60 150 Cs 140 15* 15" g Ba-La kb m O* O

O O TABLE 8.4-3 (Cont'd) NOTES: a. The LLD is the smallest concentration of radioactive material in a sample that will be detected with 95% probability with only 5% probability of falsely concluding its presence. For a particular measurement system (which may include radiochemical separation): 4.66 s b LLD = A E V - 2.22 Y exp (- Aat) where LLD is the lower limit of detection as defined above (as pCi per unit mass or volume) s is the square root of the background count or of the count of a blank sample as appropriate os b f (as counts per minute) Ho z le A is the number of gamma-rays emitted per disintegration for gamma-ray radionuclide analysis (A = 1.0 for gross alpha and tritium measurements) E is the counting efficiency (as counts per gamma) V is the sample size (in units of mass or volume) 2.22 is the number of transformations per minute per picocurie Y is the fractional radiochemical yield when applicable (otherwise Y = 1.0) A is the radioactive decay constant for the particular radionuclide, and g$ tn m at is the elapsed time between sample collection and analysis g3 eo co Z (n H l H l l l

c o O I TABLE 8.4-3 (Cont'd) i t a. (Continued) i The value of s used in the calculation of the LLD for a detection system shall be based on the b actual observed background count or of the count of the blank samples (as appropriate) rather than on an unverified theoretically predicted value. Typical values of E, V, Y, At, shall be used in the calculation. For gamma-ray radionuclide analyses, the background counts are determined from the total counts in the channels which are within plus or minus one FWHM (Full Width at Half Maximum) of the gamma-ray photopeak energy normally used for the quantative analysis for that radionuclide. Typical values of the FWHM shall be used in the calculation. b. The LLD for environmental measurement is defined as an a priori (before the fact) limit representing the capability of a measurement system and not as an a posteriori (af ter the fact) 7 particular measurement. ~ limit for a s Ho c. LLD for drinking water. l c., :o CM Z< MH in HH eO co Z un H H

REVISION 11 JUNE 1985 f Racine J WIS 31 U.S. 41 U.S. 45 c. sw4 KenoSha gg wiS 50 t;,, . 21 1 94 I N S 32 Wiscons,in 'g

'I LAKE Antioch y

MICHIGAN g 4, 3 ILL 131 5 ILL 42 S 41 U.S. 45 -'4 ILL 120 !!'$h Waukegan . 12 cio B. North Chicago ILL 60 ILL 63 gg Mundelein 4;- gg Lake Bluff Libertyville /?! i, i Lake Forest ,g ( -N- /' lM l Scale 0 5 10 15 20 Miles 0 5 10 20 30 km ZION STATION U nit s 1 4. 2 FIGURE 8.4-1 LOCATION OF FIXED AIR, WATER AND MILK SAMPLES ' e's# d -3n

REVISION 11 JUNE 1985 e Shiloh Boulevard E 1' 115-1 115-EOF 25 St _. }( h I j 26 St _ ~ .] 104 113-1 113-2 l 27 St Loading Dock 107-1 h Deborah Avenue 107-2 (\\ \\ 28 St 0; A 8 Broadway j til 110 29 St 112-1 m, p p 1 1, Scale 0 0.1 0.2 Miles 0

0. 2 0.4 k m l

l ZION STATION Units 1 & 2 FIGURE 8.4-2 O INNER RING TLD LOCATIONS l 0 347

i l REVI5!ON 11 JUNE 1985 9 5 N U.S. 45 U.S. 41 " ghR Kenosha la, m"i sp + [ WIS 50 f N i q-o i WIS 32 I h Wisconsin i215-1 215-2 216\\2 g.S ',', 3-I'linois 216-1 1 214-21 g. Antioch 214-1 3 23 N mj { JL M 213 5 \\ pss -Zion Station k ILL 131 l 23 S s 25 212-2 E ILL 42i Lake Michigan 1 21215 21-hh. ! ,2 i i % ]% ' g' . 4 09-1 i O U.S.451 U.S. 41 d-209-2 I Waukegan ILL 120 I k_ m

g

---North Chicago ILL 63 w t i /.,. %m: !? , 'r '. Lake Blutf Mundelein a Designates LTD location Scale 0 5 10 Miles 0 10 20 k m ZION STATION U nit s 1 6. 2 A FIGURE 3.4-3 V LOCATION OF OUTER RING TLD'S AND WATER SAMPLES l 6202-3 06 347 -}}

ML20140D076

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