ML20116P123

Corrected Part 3 of 1984 Annual Operating Rept Re Results of Environ Radiological & Meteorological Monitoring

ML20116P123
Person / Time
Site:	LaSalle
Issue date:	12/31/1984
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8505070500
Download: ML20116P123 (7)

Text

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t 5.1 Gama Radiation External radiation dose from on-site sources and noble gases re.

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' leased to the atmosphere was measured at ten indicator and fear l

reference (background) locations using solid lithium fluoride thermoluminescent dosimeters (TLD). A comparison of the TLD results for reference stations with on-site and off-site Additional TLDs, indicator stations a total of 48 were I

is included in Table 5.1-1.

installed on June 1,1980 such that each sector was covered at both five miles and the site boundary.

5.2 Airborne I-131 and Particulate Radioactivity Concentrations of airborne I-131 and particulate radioactivity at monitoring locations are sumarized in Tables 5.0-3 through 5.04, Locations of the samplers are shown in Figure 5.0-1. Airborne I-131 remained below the LLD of 0.1 pCi/m3 throughout the year.

Gross beta concentrations ranged from 0.010 to 0.053 pCi/m3 at

, indicator locations and 0.010 to 0.056 pCi/m3 at control locations with an average concentration of 0.025 both at indic:.br and control locations. No radioactivity attributable to statial operation us detected in any sample.

t 5.3 Terrestrial Radioactivity Precipitation samples were collected monthly from four milk sampling locations and analyzed for gross beta, tritium, strontium-89 and

-90, and gamma-emitting isotopes. Except for gross beta, all other radioactivity was below the limits of detection indicating that there was no measurable amount of radioacilvity attributable to the station releases.

Annual mean gross beta concentration measured 29.1 pCi/1, which is the level expected in precipitation samples.

Vegetables were collected in August and analyzed for gross beta, In addition, strontium-89 and -90 , and gama-emitting isotopes. Gross beta green leafy vegetables were analyzed for iodine-131.

concentration ranged from 1.1 to 5.5 pCi/g wet weight and averaged 2.5 pC1/g wet weight. The range and mean values were those expected in the vegetation samples. All other isotopes were below the limits of detection indicating that there was no measurable amount of radioactivity attributable to the station releases.

Cattlefeed and grass samples were collected quarterly from milk

- sampling locations and analyzed for gross beta, strontium-89 and -90 and gama-emitting isotopes. Except for gross beta, the level of Gross beta concen-radioactivity was below the detection limits.

trations were at the level usually encountered in these samples.

8505070500 841231 3 DR ADOCK 050 6 a. Ibb[ 'h \

~~Lf STANDARD RADIOLOGICAL SAMPLING PR,0 GRAM LaSalle County Station

1. AIR SAMPLERS Site Code Distance Direction Location

_ (miles) (0)

L-01 a.

L-02 Near-site il 0.5

b. On-site Station #2 326 L-03 c. 0.6 11 L-04 On-site Station #3

d. Near-site #4 0.2 56 L-05 e. On-site Station #5 1.5 90 L-06 0.3 L-07

f. Near site #6 0.4 145

g. Seneca 270 L-08 h. 5.2 L-09 Marseilles 7.0 18

1. Grand Ridge (C) 326 L-10 j. 10.4 260 L-11 Streater (C) 13.5

k. Ransom 220 L-12 1. 6.0 191

.. L-13 Kernan (C) 5.0

m. 214 L-14 Route 6 at Gonnam Road 4.3

n. Ottawa (C) 100 12.0 315

2. TLDs

a. Same as No. 1.

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b. Special TLD Samplers

_ Site Code Distance

_ (mile) Direction (0) 107 1,2 108 1,2 0.5 0.4 146 109 1,2 168 110 1,2 0.4 187 111 1,2 0.5 0.5 204 112 1,2 230 113 1,2 0.4 260 114 1,2 0.4 0.5 280 201 1,2 304 202 1,2 2.0 2.3 15 203 1,2 33 204 1,2 4.0 3.5 56 205 1,2 -

78 3.5 102 b

m ,y%_ w. ; -- + . - - - - - - -

STANDARD RADIOLOGICAL SAMPLING PROGRAM LaSalle County Station

2. TLDs

b. _Special TLD Samplers (continued)

Distance Direction Site Code (mile) (0) 206 1,2 4.3 207 1,2 123 4.5 146 208 1,2 4.5 209 1,2 170 4.0 192 210 1,2 3.3 211 1,2 216 4.5 240 212 1,2 4.0 213 1,2 261 3.8 283 214 1,2 2.0 215 1,2 303 2.0 330 N 216 1,2 1.5 350

3. MILK Site Code Distance Direction Location (miles) (0)

L-15 a. Granby Farm

• L-16 7.0 90

b. Lowery Dairy 7.2 L-17 120

c. Norsen Dairy (C) 9.0 337 L-18 d. Sunnyisle Farm (C) 13.2 15

4. FISH Site Code Distance Direction Location (miles) (0)

L-35 a. Marseilles Pool of 6.5 326 Illinois River l L-24 b. LSCS Cooling Lake o.3 ist

• Granby Farm replaced Johnson Dairy 4-20-84.

SSs.

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STANDARD RADIOLOGICAL SAMPLING , PROGRAM LaSalle County Station

5. SURFACE WATER Site Code Distance Direction Location (miles) (0)

L-19 a. Illinois River at 6.5 326 Marseilles L-20 b. Illinois River at 6.5 304 Ottawa L-21 c. Illinois River 4.0 22 at Seneca (C)

L-22 d. South Kickapoo Creek L-23 4.7 330

e. Illinois Nitrogen Corp. 5.3 L-24 337

f. LSCS Cooling Lake 0.3 112 near Recreation Area

6. COOLING WATER Distance Direction Site Code Location (miles) (0)

L-25 a. LSCS Intake Pipe / 4.9 to River (C)

L-26 b. LSCS Discharge Pipe / 49 si River

7. WELL WATER Site Code Distance Direction Location (miles) (0)

L-27 a. LSCS On-site Well l L-28 At Station r eo

' b. Marseilles Well 7.0 326 L-29 c. Seneca Well (C)

L-30 5.1 18

d. Ranson Well 6.0 L-31 191 l e. Ottawa Well 12.8 304 L-32 f. Illinois State Park

! 6.5 326 Sk o-1 mm_mw m . ~-- -

Table 5.0-2 LaSalle County Radiological Monitoring Program, Sample Collection and Analyses Sample Location Media Collection Type of Frequency of GiIe 51te Frequency Analysis Analysis

! Remarks

• 1. Airborne L-1 hearsite No. 1 lieekly

• Particulates L-2 Disite No. 2 Gross beta ideekly Di all samples.

L-3 Gaussa isot harterly Disite No. 3 $r-89.90 Di quarterly composites from each location.

L-4 Nearsite No. 4 @arterly On quarterly composites frosi each locatten.

L-5 Onsite no. 5 L-6 hearsite No. 6 i L-7 i

Seneca L-8 Marseille L-9 Grand Ridge L-10 Streator L-11 Ransoe L-12 Rernan L-13 Route 6 at Gonnas Rd.

L-14 Ottama 1 2. Airborne Same as 1.

loelne lieekly 1-131 Ideekly 1

Qi all samples.

3. TLD Same as 1.

, g Quarterly Gamma Warterly wa . tat.14 Inner Ring Two se n at all AP locations. Die set P 201-16 Outer Ring read quarterly. Second set read if required by Edison. At other locations.

4.

all sets read quarterly, i

Milk L-15 Johnson Detry*

L-16 neeekly: Apr to Sep l-131 Ideekly i Lowery Detry Monthly: Oct to Mar Gassna Isat May thru October only. LLD: 0.5 pct /l L-17 horsen Dairy Monthly L-18 Sunnytsle Fare Sr-89.90 Monthly I

5. Surface L-19 heter Illinois River at neeekly Gross beta lieekly b Marseilles Qi all samples.

i L-20 Gamma Isot Monthly

Illinois River at Ottawa Trittue Qi monthly composites from each location.

L-21 111tnots River at Seneca barterly On quarterly composites from each location.

j L-22 Sr-89.90 @arterly

South Kickapoo Creek On quarterly cosposites from each location.

L-23 Illinois River at Intake to Nitrogen Corp.

L-24 LSCS Cooling Lake near Rec. area j 6. Coollag L-25 lister LSCS intake pipe / lieekly Gross beta ndeekly

' river Qi all samples.

L-26 LSCS discharge pfpe/ Gassna isot Monthly

! Tritium Di monthly composites from each location.

rtver Monthly On monthly composttes from each location.

Sr-89.90 Monthly On monthly composttes from eac location.

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• Granby Fare replaced Johnson Dalry effective 4-20-84.

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n REPORTING LEVELS FOR RADI0 ACTIVITY CONCENTRATIONS IN ENVIRONMENTAL SAMPLES Reporting Levels '

Water Airborne Particulate Fish Milk Food Products Analysis (PCi/1) or Gases (pCi/m3 ) (pCi/Kg, wet) (pCi/1) (pCi/Kg, wet)

H-3 2 x 104 (a)

Mn-54, 1 x 10 3 3 x 10 4 Fe-59 4 x 10 2 1 x 10 4 Co-58 1 x 10 3 3 x 10 4 Co-60 3 x 10 2 1 x 10 4 c Zn-65 3 x 10 2 2 x 10 4 o

P Zr-Nb-95 4 x 10 2 I-131 2 0.9 3 1 x 10 2 Cs-134 30 10 1 x 10 3 60 1 x 10 3 Cs-137 50 20 2 x 10 3 70 2 x 10 3 Ba-La-140 2 x 10 2 3 x 10 2 I")For drinking water samples. This is 40 CFR Part 141 value.

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1. 8

{'j-_N Commonwe lth Edison

• ,,) 72 Wrst Adrms Strut, Chiefgo, Illinois

Addrcss Reply to: Post Office Box 767

. Chicago, Illinois 60690 e

pa10Rily RCUT1?;G April 18, 1985

[Mb[ wt L

o A Mr.' James G. Keppler b N5 Regional Administrator git y_

Directorate of Inspection and Enforcement Region III U.S. Nuclear Regulatory Commission 199 Roosevelt Rcad Glen Ellyn, IL 60137 Dockets: No. 50-373

Dear Mr. Keppler:

The enclosed is corrected material for Part 3 of the 1984 LaSalle y '

County Station Annual Operating Report, reporting results of environmental radiological and meteorological monitoring. .

One copy of this errata is provided for your use and 39 copies are being submitted directly to Mr. D. Eisenhut, Deputy Director of the Office of Nuclear Reactor Regulation.

' < _u

, Sincerely yours, [

$1 Manager of Production Nuclear Stations Divis' ion cc: G. J. Diederich EPG-01-Re-Radc _

Rs b5 I

BBS/Imk ~* gpg29 1985 0322E/19 .

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