ML20212C392

Annual Rept Environ Radiation Survey,Point Beach-Kewaunee Sites Jul 1969 - June 1970. Related Info Encl

ML20212C392
Person / Time
Site:	Kewaunee, Point Beach, 05000000
Issue date:	06/30/1970
From:	WISCONSIN, STATE OF
To:
Shared Package
ML20212C276	List: ML20212C272 ML20212C366 ML20212C392
References
FOIA-87-59 NUDOCS 8703030779
Download: ML20212C392 (31)

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SCHEDULE OF SAMPLING. ,

I SAMPLING IACATIONS FOR POINF BEACH AND KEWAUNFE NUCLEAR POWER PLANTS WEEKLY WHEN AVAILABLE-Air Filters: Precipitation:

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1 - Terence Hanson Res., Rt. 1. Mishicot 1 - Terence Hanson Res.,'Rt.- 1, Mishicot 1

i k - Residence North Property Line (Point Beach) 4 - Residence North Property Line (Point Beach) 7 - Substation (Wis. Public Service Corp.-Co. Trunk V) 7 - Substation (Wis. Public Service Corp.-Co. Trunk V)-

8 - P. Ihlenfeldt Fam, Kevaunee 8 - P. Ihlenfeldt Farm, Kevaunee

) 16 - Earl Buechert, Co. Trunk B, Tisch Mills i 16 - Earl Buechert, Co. Trunk B, Tisch Mills MONTHLY

! Milk:

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, 9 - Mishicot SENI-ANNUALLY , .

Sample No. and Location: ' Type of Sample Collected Lake Water Well Water Soil Vegetation

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X X X 1 - Terence llanson Res.. Rt. 1. Mishicot 2 - SW Corner of Property Line (Point Beach) X X=

X X X 3 - Two Creeks Town Hall (Well Water at Fam) h - Residence North Property Line (Pbint Beach) X X-X~ 'X X 5 - Two Creeks Park X X X-6 - Coast Guard Station 1

7 - Substation - Wisconsin Public Service Corp. X X l X X X 8 - P. Ihlenfeldt Farm (Kevaunee)

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! 10 - On Site (Point Beach)

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! 11 - Two Creeks International Harvester X XX i

12 - Kewaunee Site X X 13 - Green Bay Pumping Station (10 miles N of Kewaunee Site) X X X lh - 1/2 Mile Due West from Highway h2 at Kevaunee Site X X 15 - Junction BB and BBB near Kewaunee Site '

X X 16 - Earl Buechert Res., Co. Trunk B. Tisch Mills Y

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TABLE OF CONTENTS.

Page No.

-g l.- Intro' duction 1

2. Sample Collection

3. Sampling Techniques

4. Analytical Procedures 2 5 Standards b

6. Sensitivities and Accuracy 5 7 Data

8. Conclusions 9 References 6 TABLES I. Gross Beta Activity in Surface Air 7 II. Cesium 137 Activity in Surface Air' 10 III. Gross-Beta Activity in Precipitation 11 IV. Lake Water, Gross Alpha and Gross Beta Activity 12 V. Lake Water, Cesium 137 and strontium 90 13 VI. Lake Michigan Water, Tritium Activity .

VII. Well Water Radioactivity lh VIII. Gross Beta Activity of Algae 15 IX. Gross Alpha and Beta Activity of Aquatic Senples 16 L X. Gross Beta Activity of Fish l

XI. Gross Beta and Gross Alpha Activity in Soil 17 i-XII. Gross Beta and Gross Alpha Activity in Vegetation 18 XIII. Specific Radioisotopes in Milk 20 l

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POINT BEACH-KEWAUNEE NUCLFAR GENERATING F'_ ANTS ENVIRONMENTAL MONITORING PROGRAM

~1969-1970 ANNUAL REPORT

+

1. INTRODUCTION This'is the second annual report of the Environmental Monitoring Program for'the Point Beach and Kevaunee nuclear generating plants. .These.tvo-nuclear generating plants are covered by a single monitoring program -

since they are located only approximately three miles apart.- This report is for the fiscal year July.1,1969 through June 30, 1970.

The data' obtained from this pre-operational monitoring program vill pro-' l i vide a base -line for the evaluation of the data from a similar environ-mental survey which will be conducted after the n: clear = generating

-plants have been placed in. operation.

- Samples of surface air, precipitation, lake water, well water, algae, soil,' fish, vegetation and milk were collected 'from selected locations at planned sampling intervals. A description of the sa:npling sites and sampling intervals .is given in the table on the inside of the cover.

, 2. SAMPLE COLLECTION The following numbers of each type of sa=ple were collected and analyzed for the report period.

Type of Samole Number of Samples Air Particulate 2h2 Precipitation 125

. Lake Water. 10 Well Water 12 Soil 2h Vegetation. 2h

. Milk 12

-Algae 1 e Presh. Water Shrimp 5 Fish

• 11

, Tritium - Lake Michigan Water 3

3. SAMPLING TECHNIQUES Air Samples Continuous air samples are collected weekly at five locations. The

• air particulate senples are collected on four inch plastic filters.

The sampling rate is one cubic foot of air per minute.

Precipitation Samnles Individual samples of precipitation are collected for each rainfall over O.10 inch. The samples are collected at the same stations as the air samples. A five gallon polyethylene carboy with a 0.h0 square meter' collection funnel is used to obtain precipitation samples.

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. Lake Michigan Water Samples Lake water samples'are collected semiannually at five locations. A grab sampling technique is used'to collect the samples from the shoreline.

Well Vater Samples Well water samples are collected semiannually from six vells. Three

-of the wells are located on the Point Beach and Kevaunee reactor sites.

Three of the wells are off-site private water supplies.

Soil

' Soil samples are collected semiannually at eleven sites. A random plug of the top three inches of soil is collected at each sampling station.

Vegetation, Samples of grass are collected semiannually from the eleven soil sampling sites.

Milk A one gallon smnple of pooled raw milk is collected monthly from the Kornely Dairy in Mishicot. This milk is from local farms.

Fish Both migratory and non-migratory fish are collected from locations in Lake Michigan near the reactor sites and near Milwaukee. A gross beta determination is made on prepared samples of the whole fish.

Tritium One gallon composite samples of Lake Michigan water were collected at the Kevaunee discharge channel and North and South of the cooling water discharge channel. These samples were analyzed by the Northeast Laboratory of the United States Public Health Service, Winchester, 8 Massachusetts. .

Algae Algae growing on rocks which are a part of the boat launching ramp at Two Creeks Park is harvested semiannually for determination of gross beta activity.

h. ANALYTICAL PROCEDURES The procedures given are abstracted to precent only the basic steps.

Air Particulate Samoles - Beta Canna Place the h inch plastic filter on a h inch stainless steel planchet.

Beta count in a Sharp Widebeta external gas flow proportional counter.

Calculate activity correcting for counter efficiency.

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- Air Particulate Samnles Gamma

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Place al'1 h inch' plastic . filters for - a month on the .h" x k" NaI crystal detector.- Determine the. gamma spectrum using 256 channels of an ND130A 512 channel gamma spectrometer set at 0.01 MeV per i

channel. : Calculate activity correcting-for counter efficiency.

' Rain Water - Beta Gamma Evaporate'.a 500 ml aliquot on a weighed 2 inch' stainless steel'

~

planchet. Beta count in a = Sharp Widebeta external gas' flow propor-tional counter. Calculate activity correcting for counter efficiency.

Lake ~ Water - Alpha. Beta Gamma Filter 500 mi aliquot of sample. Evaporate filtrate in a 2. inch stainless steel planchet. Beta and alpha count in Sharp Widebeta external gas flow proportional counter.- Place filter paper in 2 inchEstainless steel planchet'and dry at 103*C. Beta and alpha count in Sha.rp Widebeta external gas flow proportional counter.

Calculate; activity correcting for counter efficiency.

i Lake Water - Cesium 137 Place _3.5 liter sample in Marinelli beaker on k" x k" NaI' erystal detector. Count for 100 minutes on ND130A gansa spectrometer using 256 channels set at 0.01 MeV per channel. Calculate activity correct-ing for counter efficiency.

> u Well Water - Altha. Beta Evaporate aliquot on weighed stainless steel planchet. Beta and alpha count in a Sharp Widebeta external gas flow proportional counter.

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Calculate activity correcting for self-absorption and counter efficiency.

Soil - Alpha, Beta Dry sample, grind, sieve and vei6 h 0.1 gram into a 2 inch stainless steel planchet. Beta and alpha count in a Sharp Videbeta external gas flow proportional counter. Calculate alpha and beta

.. activities correcting for self-absorption and counter efficiency.

v e getation - Altha, Beta Dry sample at 110'C, grind, weigh into stainless steel planchet. Beta and alpha count in a Sharp Widebeta external gas flow proportional counter. Calculate activity correcting for self-absorption and counter efficiency.

Milk - Cesium 137, Iodine 131

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Procedure same as for Lake Water - Cesium 137. i Milk - Strontium 90

Strontium and yttrium carriers are added to milk which has been a6ed two to four weeks. A one liter sample is passed successively through

k 4- -

c tion and tnion exchangs colurms. The yttrium is eluttd from tha anion resin with hydrochloric acid and precipitated as yttrium oxalate, filtered and weighed to determine yield and beta counted in a Sharp.

Widebeta counter correcting for counter efficiency and decay.

Fish - Beta' Gamma Whole fish are put through a meat grinder and.the ground fish well

- mixed. _ A representative fish sample of five grams is weighed into a stainless steel planchet. The sample is dried at 110'C and then ashed by. slowly bringing the temperature to 550-600*C. Beta count in a Sharp Widebeta external gas flow proportional counter. Calculate.

activity correcting for counter-efficiency.

Algae - Beta Gamma Five to seven grams of_ vet algae are weighed into a two inch stainless steel planchet. The sample is dried at 110 C and ashed at 550-600*C.

Beta count in a Sharp Widebeta external gas flow proportional counter.

Calculate activity correcting for counter efficiency.

5 STANDARDS 4

The standards used in calibrating the counting equipment are:

Analysis Standards Gross Alpha Polonium 210 Gross Eeta Ganma Cesium 137 Strontium 90 -

Strentium 90 Gamma Spectroscopy Sodium 22, Cesium 137 The average partial chemical analysis of Lake Michigan water is taken to be as follows:

Hardness = 128 ppm Calcium = 37 ppm Magnesium = 8.5 ppm Chlorides = 8 ppm Sulphates = 19 ppm

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'6. SENSITIVITIES AND ACCURACY Type of Sensitivity Aliquot

'Semole Analysis Detection Limit Analyzed  % Error (e)'

Air Particulate - Eeta Gamma 1.7 x 10 -3

-3 pCi/M 3 3

330 M 3

3 1 10%

-Cs-137 2.0 x 10 pCi/M 330 M 1 10%

Rain Water Beta Gamma 0.6 pCi/ liter 500 ml I 10%

Lake Water Eeta Gamma (susp) 0.6 pCi/ liter 500 ml 1 10%

Alpha (susp) 0.03 pCi/ liter 500 ml 1 10%

Beta Gamma (diss) 0.6 pCi/ liter 500 ml 1 10%

Alpha (diss) 0.03 pCi/ liter 500 al 1 0%1 Cs 137 (gamma scan) 3.2 pci/ liter 3500 ml 1 10%

Well Water Beta Gamma 0.6 pCi/ liter 500 ml I 10%

Alpha 0.03 pCi/ liter 500 ml 1 10%

Soil Beta Gamma 15 pCi/gm 0.2 gm A 10%

Vegetation Beta Gamma 15 pCi/gm 0.2 gm 1 10%

Milk I-131 3.2 pCi/ liter 3500 ml 1 10%

Cs-137 3.2 pCi/ liter 3500 ml 194 Sr-90 0.3 pCi/ liter 1000 ml i 10%

• (e) Error is that for overall procedure at ten times the detection limit.

7 DATA The data presented in this report was accumulated during the period July 1969 through June 1970. Most of the data for the various types of samples is presented in tabular form. In addition to the tables, a graphical presentation is made of typical gamma scans of air, lake water, milk samples and spectrometer background.

8. CONCLUSIONS

, This report covers the pre-operational environmental radioactivity monitor-ing program carried on for the period of July 1,1969 through June 30, 1973.

Sanples of air, precipitation, lake water, ground water, soil, fish, vegeta-tion, algae and milk were collected from selected locations about the reactor site and analyzed for radioactivity.

The tap vater and well vater gross alpha and gross beta activities are comparable to similar samples throughout the country. The measured activities are well below those specified by the United States Public Health Service Drinking Water Standards.

The Lake Michigan water sanples uniformly show activities well belov the MPCU for uncontrolled areas specified in National Bureau of Standards Handbook 69

, The results obtained from analysis of the samples of soil and vegetation l appear uniformly consistent with no unusual activities noted in any of the samples.-

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The activities found by analysis of the milk sa=ples are consistent with the results from other sampling stations of the Visconsin Division of

. Health milk surveillance ' system. The activities of iodine 131, cesium 137 and strontium 90 in all samples were well below the levels set for routine surveillance.

The results of the analyses of the three samples of Lake Michigan water for tritium showed .only the ' normal background activity of this radio-isotope.

9. REFERENCES _

l. ~ Drinking Water Standards, Revised 1962, Public Health Mrvice -

. Publication No. 956, Superintendent of Docu:nents, Government Printing Office, Washington, D.C.

2. National Bureau of Standards Handbook 69, August 1965

3. Radiation Protection Standards, Federal Radiction Council, Report No'. 2, September 1961.

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. TABLE I GROSS BETA ACTIVITY IN SURFACE AIR (Activities in pCi/m )3 1

Number of Incation Month Samples Minimum Maximum- Average Terence Hnnron July 1969 3 0.1h2 0.285 .0.208 Residence August 1969 h 0.242 0.279 0.26h September 1969 h 0.026 0.132 0.088 October 1969 5 0.035 0.063 0.051 November 1969 h 0.008 0.0h7' O.03h December 1969 h 0.012 0.036 0.027-January 1970 5 0.005 0.041 0.026 February 1970 h 0.016 0.031 0.024

March 1970 5 0.019 -

0.050 0.033 1

April 1970 3 0.002 0.066 0.031 May 1970 h 0.003 0.084 0.039 June 1970 4 0.094 0.149 0.120 Residence North July 1969 4 0.112 0.229 0.187 Property Line August 1969 5 0.276 0.310 0.292 September 1969 h 0.018 0.136 0.071 October 1969 5 0.025 0.067 0.0h6 November 1969 . 3 0.0h2 0.046 0.0h5' December 1969 h 0.022 0.039 0.031 January 1970 3 0.020 0.031 0.024 February 1970 3 0.011 0.026 0.019 March 1970 4 'O.015 0.346 .0.106 April 1970 3 0.023- 0.043 0.032 May 1970 5 0.105 0.198 0.153 June 1970 4 0.233 0.h23 0.302 1

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9-TABLE I (cont'd)

GROSS BETA ACTIVITY IN SURFACE AIR (Activities in pCi/m )'

Number of Location Month Samples Minimum Maxistan Average Substation - WPSC July 1969 h 0.158 0.273 0.231 Co. Trunk V August 1969 h 0.332 0.353 0.3h3 September 1969 h 0.050- 'O.168 0.114 October 1969 5 0.036 0.10h 0.070 November 1969 h 0.045 0.052 0.049 December 1969 h 0.031- 0.041 0.036 January 1970 5 0.029 0.050 0.040 February 1970 h 0.018 0.065 0.039 March 1970 h 0.01h 0.h50 0.132 April 1970 3 0.0h5 0.123 0.070 May 1970 5 0.089 0.173 0.126 June 1970 h 0.152 0.276 0.217 Earl Buechert July 1969 No Samples Residence - August 1969 h 0.230 0.320 0.271

. Co. Trunk B, September 1969 5 0.007 0.138 0.053 Tisch Mills October 1969 h 0.026 0.052 0.037 November 1969 3 0.026 0.039 0.031 December 1969 5 0.016 0.034 0.026 January 1970 h 0.020 0.042 0.029 February 1970 h 0.027 0.039 0.035-March 1970 5 0.050 0.090 0.081' April 1970 h 0.0h0 0.200 0.133 May 1970 h 0.092 0.198. 0.138 June 1970 4 0.120 0.304 .0.225 j m

TABLE I (cont'd).

GROSS BETA ACTIVITY IN SURFACE AIR (Activities in pCi/m )

Number of Location Month Samples Minimum Maximua Average P. Ihlenfeldt July 1969 h 0.212 0.333 Farm - Kevaunee August 1969 0.281 h 0.157 0.h88 September 1969 0.332 h 0.033 0.073 0.056 October 1969 5 0.036 0.095 0.065 November 1969 h 0.018 0.034 0.026 December .1969 4 0.029 0.038 0.032 January 1970 h 0.025 0.047 February 1970 0.029 h 0.0h7 0.077 0.058 March 1970 5 0.065 0.118 0.096 April 1970 h 0.051 0.3h3 0.131

! May 1970 h 0.120 0.221

! 0.169

, June 1970 h 0.169 0 508 -0.326 l

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TABLE II SURFACE AIR CESIUM 137 ACTIVITY - 0AMMA SCAN- ,

4 (Activitie's;in pCi/ cubic meter of air)

Terence Hanson Residence North Substation - WPSC Earl'Buechert P. Ihlenfeldt.

Month Residence Property Line Co. Trunk V Residence Farm July 1969" 0.034 0.032 0.03k No Sample 0.039 .-

August 1969 0.080 0.07k O.098 0.077 0.086' September 1969 0.037 0.031 0.0k2 0.036 .0.052 October 1969 0.030 0.025 0.Ok0 0.02h 0.043 November 1969 0.024 0.023 0.026 0.025 0.018l December 1969 0.016 0.02k 0.026 0.023 0.027 January 1970 0.017 0.020 0.004 0.015 0.016 February 1970 0 022 0.026 0.022 0.020 0.018

~

March 1970 0.056 -

0.030 .0.030 0.028 0.036 April 1970 0.023 0.01h 0.035 0.042 0.061 May 1970 0.032 0.0k9 0 Ok7 0.053 0.056 June 1970 0.052 0.086 0.063 .0.070 0.11k 4

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e TABLE III -

GBOSS BETA ACTIVITY IN PRECIPITATION (Activities in nCi/M )

l .

Terence llanson Residence North . Substation - WPSC P. Ihlenfeldt j Month Residence- Property Line Co. Trunk V Fam - Kevaunee July 1969 5.2 3.8 55. 3.h August 1969 1.4 1.3 1 7- 2.3 September 1969 1.3 1.8 2.0- 1.7 October 1969 2.2 2.5 h.2 2.1 November 1969 0.6 0.4 0.7 0.5 December 1969 1.h 1.1 ,

1.k ~ 1. 6' January 1970 1.7 1.2- 1.2 0.6 February 1970 O.5 07 0.5 0.1 i

March 1970 2.1 ,

2.1 2.1 2.0 April 1970 2.2 1.9 1.9 1.7 May 1970 7.5 14.9 16.8 10.2 1

June 1970 1.5 1.h 3.3 1.6 i

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.12 TABLE IV LAKE MICHIGAN' WATER GROSS ALPHA AND GROSS BETA ACTIVITY (Activities in pCi/1)

Location and. Gross Beta Activity Cross Alpha Activity -

Collection Date Suspended Dissolved Total Suspended Dissolved Tota Point Beach Site Septe=ber 1969 2 54. 2.78 5 32 <1 <1 <2 May 1970 13.08 3.82 6 90 < 1- <1 <2 AVERAGE 2.8 3.3 6.1

• , Two Creeks Park Septe=ber 1969 7 98 2.22 10.20 <1 <1 <2 May 1970 3 96 3.10 7.06 < 1. <1 <2 AVERAGE 6.0 2.7 8.7 Coast Guard Station.

Septe=ber 1969 h.82 2 70 7 52 <1 <1 <2 May 1970 7.60 3.3h 10 94 <1 <1 .< 2 AVERAGE 6.2 30 92 Kevatnee Site i- September 1969 6.06 3 22 9 28 <1 <1 <2

< May 1970 6.92 3.5h 10.h6 <1 <1 <2 AVERAGE 6.5 3.4 99 Gree: Bay Pumping Station 1 9h 6.52 <1 <1 <2; September 1969 h.58 May 1970 2.12 3 10 5 22 <1 <1 <2-AVERAGE 3.4 2.5 59 9

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13 TABLE V LAKE MICHIGAN WATER CESIUM 137 AND SPPONTION 90 ACTIVITY (Activities in pCi/ liter)

- DATE LOCATION COLLECTED CESIUM 13T STRONTIUM 90 Coast Guard Station 9/69 < 3.2 <1 5/70 < 3.2 <1 Point Beach Site 9/69 < 3.2 <1 5/70 < 3.2 <1

.Kevaunce Site 9/69 <-3.2 <1 5/70 < 3.2 <1 Two Creeks Park 9/69 < 3.2 <1 5/70 ~ < 3.2 <1 Green Bay 9/69 < 3.2 <1 Pumping Station . 5/70 < 3.2 <1 l

TABLE VI LAKE MICHIGAN WATER TRITIUM ACTIVITY (Activities in nCi/ liter)

DATE LOCATION COLLECTED nCi/ liter Kevaunee Reactor

1. Adjacent to cooling 10/69 1.1 1 0.6 vater discharge

2. North of discharge 10/69 1.2 1 0.6 point

3. South of discharge point 10/69 0.8 i07 (Errors listed are the 20 counting errors)

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• / TABLE VII GROSS ALPHA AND BEIA ACTIVITY IN WELL VATER (Activities in pCi/ liter)

Date Location Collected Gross Beta Activity Gross Alpha Activity Point Beach Site 9/69 25 <1 5/70 ,

29 1 I 1.k <1 International 9/69 Eexvester Garage 5/70 < 0.6 <1 Two Creeks Town 9/69 < 0.6 <1 Eall (Fam)_ 5/70 1.2 <1 P. Ihlenfeldt Farm 9/69 2.5 <1 5/70 1 < 0.6 <1 Kevaunee Site (1) 9/69 1.3 <1 5/70 17 <1 (2) 9/69 h.0 <1 5/70 2.1 <1 0

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TABLE VIII GROSS BETA ACTIVITY OF ALGAF.

(Activities in pCi/ gram of dry algae)

Location Date pCi/ gram 5 miles North of Kevaunee 1 mile out 1968 23 7 3 miles out 1968 15.h 3 miles South of Kevaunee 1969 31 7 Kevaunee Reactor 1969 2h.2 1 mile out 1968 11.4 3 miles out 1968 10.0 County Park 4

1/2 mile out 1968 9.5 1-2 miles out 1968 9.6 Point Beach Reactor 1 1/2 miles out 1968 8.1 2-3 miles out 1968 7.0 Coast Guard Lighthouse 1 mile out 1969 17.h e

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, . TABLE IX GROSS ALPHA 'AND BETA ACTIVITY OF AQUATIC SAMPLES (Activities in pCi/gm Dry Weight)

Date Location Collected -Cross Beta Activity Gross Alpha Activitz,.

Fresh Water Shrime 1969 8.5 < l .'5 (Kevaunee Power Plant 3 miles out)

< l.5 Fresh Water Shrimn 1969 6.7 (Lighthouse 3 miles out)

Fresh Water Shrimo '1969 h.6 < l.5 (Lighthouse 1 mile out)

Fresh Water Shrimo 1969 h.0 < 15 (Lighthouse 1/2 mile out)

Fresh Water Shrimo 1969 2.5 < l.5 (Lighthouse 1/2 mile out)-

Algae (Cladonhora) 1969 h0.0 < l.5 Two Creeks Park t- TABLE X UROSS BETA ACTIVITY OF FISH . ,

"(Ac tivities in pCi/gm Wet Weight)

Type Date Gross Eeta Activity Alevives 6/70 0.6h Chubs 6/70 0.60 6/70 0 58 Herring 6/70 0.7h 6/70 o,50 Lake Trout 6/70 0.76 6/70 0.Th Perch 6/70 0.61 6/70 0.72 6/70 1.82 Smelt 6/70 0.62

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.N...- TABLE XI GROSS ALPHA AND BETA ACTIVITY IN SOIL

,(Activities in pCi/ n6Dry Weight)

=Date Location Collected Gross Beta Activity Gross Alpha Activity Terence Hanson- '9/69 19.h '<-1 5 Residence 5/70 17.6 <15 Southwest Corner'of 9/69 23.6- 1.8 Point Beach Site 5/70 26.4 <15 Two Creeks Town Hall 9/69' 26. k' 50 5/70 22.8 <15 Residence North 9/69 21.4 <15 Property Line 5/70 26.7 <15 Two Creeks Park 9/69 21.6 < l.5 5/70 18.5

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2.0 Coast Guard Station 9/69 lk.3 <15 5/70 10.3 <15 Substation - Wisconsin 9/69 26.8 2.2 Public Service Corp. 5/70 21.8 15 Co. Trunk V P. Ihlenfeldt Farm 9/69 27.4 2.2 5/70 23.3 <15 Green Bay Pumping Station 9/69 2h.6 5.h 5/70 23.1 <15 1/2 Mile Due West from 9/69 32.0 3.6 Eighway 42 - Kevaunee Site 5/70 2h.2 2.h Junction BB and BBB - 9/69 27 2 3.6 evaunce Site 5/70 26.3 1.6 Earl Buechert Residence 9/69 26.k <15 County Trunk B 5/70 23.2 <15 i

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' TABLE XII GROSS ALPHA AND BETA ACTIVITY IN VEGETATION (Activities in pCi/gm Dry Weight)'

Iocation Collection Date Type Gross Beta Activity Cross Alpha Activity-Terence Hanson Residence 9/69 -Grass 33.5 < 1.5 5/T0 Grass 36.5 <15 Southwest Corner of 9/69 Grass 23.h , < 1.5 Point Beach Site 5/70 Grass h9.1 < 1.5 Two Creeks Town Hall 9/69 Grass 23.8 < 1.5 5/TO Grass 35 9 < 1.5 Residence North Property 9/69 Grass 30.4 < 1.5 Line - Point Beach 5/70 Grass 42 7 < 1.5 Two Creeks Park 9/69 Grass 27.0 < 1.5 5/.70 Grass 30.0 <15 i

Coast Guard Station 9/69 Grass 19.6 <15 5/70 Grass 31 9 <15 i Substation - Wisconsin Public 9/69 Grass 37.8 < 1.5 Service Corp. 5/70 Grass 32.9 < 1. 5 P. Ihlenfeldt Farn 9/69 Grass 29.0 <15 5/TO Grass h2 9 <15 Green Bay Pumping Station 9/69 Grass 28.5 < 1.5 - y 5/70 Grass 38.9 < 1. 5 m

b s ,

. -t

?

TABLE XII (cont'd)

OROSS ALPilA AND BETA ACTIVITY IN. VEGETATION (Activities in pCi/M Dry Weight)

Iceation Collection Date Type Cross Beta Activity- -Gross Alpha Activity 1/2 Mile Due West From 9/69 Grass 22.h < l.5 Highway 42 - Kevaunee Site 5/70 Grass h3.7 < 15 Junction BB and BBB - 9/69 Grass 19.2 < l.5~

Kevaunee Site 5/70 Grass 42.3 < l.5-Earl Buechert Residence 9/69 Grass 24.3 < l.5 County Trunk B - Tisch Mills 5/70 Grass kk.9 < l.5 1

')

l

20' e -b~ .

TABLE XIII SPECIFIC RADI0I30 TOPES IN MILK (Activities in pCi/ liter) 15 cation and Date Iodine 131 Cesium 137 Strontium 90 Mishicot

' July'1969 k.3 4.9 h.8 August 1969 37 5.8 32 September 1969 7.2- 77 3.1 october 1969 <1 . 1.2 h.7 November 1969 4.1 4.6 5.k' December 1969 9.6 lo.h 6.7 January 1970 .5. 8 7.2 '19 February 1970 1.3 1.k k.1 March 1970 <1 4.5 3.3 April 1970 51 8.9 k.3 May 1970 --- --- 0.8 June 1970 6.8 12.3 59 AVERAGE k 6.3 k.1

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g p _ . . _ _ L _.. _

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t Sample: ! Air Filters -- Substation - Wisconsir 1

Public Service Corp. , Co. Trunk V i

Live Counting Time: 100 minutes

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a. , , ,

, Energy Distribution: 0.01peV/ Channel

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4 plant startup, testing and powc operation work loads. Representative crud sanples for the period will be analyzed at a later date. 'tajor isotones at the end of the period are lap, all, and seCo; with 59fe, si.Mn, and soCo '

being present in small anounts.

To+,al primary system leakage decreased from approxinately 6 gpm initially to 0.36 gpm on 12-10-70 and renains less than 1.0 qpm. There were no indications of fuel defects or primary to secondary leakage during the reporting period.

5. IIEALTil PilYSICS AllD SAFETY 5.1 Radioactive Liquid Waste Liquid releases for the period consisted of slightly radioactive liquids and potentially radioactive secondary side liquids as outlined below:

Curies By Curies 311 Radwaste Liquids 297,693 qals .0031 8.57 Unit 1 SG bloudoun "A" 139,650 gals 5.27 x 10' 0026 Unit 1 SG bloudoun "B" 135,270 gals 5.10 x 10 5 0026 Secondary Systen Condensate 3,796,100 gals liondetectable .072 Totals 4,368,713 gals .0031 8.65 Calculated average concentrations discharged to unrestricted areas for the period are 4.21 x 1011 and 1.175 x 101 pCi/ml for gross beta-gama and tritium activities respectively.

5.2 Radioactive Gaseous Waste .

Radioactive gaseous releases for the period consisted of plant startup gases accumulated during initial filling, venting and purgina; and containment purges as required. Releases for the period were as follows:

Curies 6Y Curies 311 Gas decay tanks 13,985 ft 3* 0 3.49 x 19 6 Containment purges 812,000 ft3 .025 0026 025 0026 Calculated average concentrations at the site boundary for the duration of containment purging (total of 37 minutes) are 1.7 x 1011 uCi/cc for By and 1.7 x 19 12 uti/cc for tritium. Due to the absence of any detectable prinary to secondary leakage, there were no gaseous releases from the air ejector discharge.

5.3 Radioactive Solid Hastes There were no radioactive solid waste shinments for the period.

• Release consisted of purge gases accumulated durinq niant startup prior to initial operation, fio qas decay tank releases during period after initial nlant oneration, 3

i