Text

Forwards Annual Radiological Environ Monitoring Rept for 1982
	ML113190486
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Site:	Monticello
Issue date:	03/30/1983
From:	Musolf D; Northern States Power Co
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Northern States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401 Telephone (612) 330-5500 March 30, 1983 Regional Administrator Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Annual Radiological Environmental Monitoring Report 1982 In accordance with the Monticello Technical Specifications, Appendix A to the Operating License DPR-22, we are submitting the Annual Radiological Environ mental Monitoring Report covering the period January 1, 1982 through December 31, 1982.

Yours very truly D M Musolf, PE Manager -

Nuclear Supp t Services DMR/dab cc:

Document Control Desk, NRC (18)

Resident Inspector G Charnoff MPCA Attn:

J W Ferman Attachment 8304040183 830330 PDR ADOCK 05000263 R

PDR

eHAZLEW0N ENVIRONMENTAL SCIENCES A DIVISION OF HAZLETON LABORATORIES AMERICA, INC.

1500 FRONTAGE ROAD. NORTHROOK, ILLINOIS 60082, U.S.A.

NORTHERN STATES POWER COMPANY MINNEAPOLIS, MINNESOTA MONTICELLO NUCLEAR GENERATING PLANT DOCKET NO. 50-263 LICENSE NO. DPR-22 ANNUAL REPORT TO THE UNITED STATES NUCLEAR REGULATORY COMMISSION Radiation Environmental Monitoring Program January 1, 1982 to December 31, 1982 Prepared Under Contract by HAZLETON ENVIRONMENTAL SCIENCES Project No. 8010-100 Approved by:

L.

. H ner, M.S.

Director, Nuclear Sciences 21 February 1983 a

TELEX 28-9483(HAZESNBPK)

PHONE (3121584-0700

HAZLETON ENVIRONMENTAL SCIENCES PREFACE The staff members of the Nuclear Sciences Department of Hazleton Environmental Sciences (HES),

a Division of Hazleton Laboratories America, Inc.

(HLA),

were responsible for the acquisition of data presented in this report. Samples were collected by personnel of Northern States Power Company.

The report was prepared by C. R. Marucut, Section Supervisor, under the direc tion of L. G. Huebner, Director, Nuclear Sciences.

She was assisted in the report preparation by L. Nicia, Group Leader, and other staff members of the Nuclear Sciences Department.

ii

HAZLETON ENVIRONMENTAL SCIENCES TABLE OF CONTENTS No.

Page PREFACE i

List of Tables iv

1.0 INTRODUCTION

1 2.0

SUMMARY

2 3.0 RADIATION ENVIRONMENTAL MONITORING PROGRAM (REMP) 3 3.1 Program Design and Data Interpretation 3

.3.2 Program Description 4

3.3 Program Execution

-6 3.4 Laboratory Procedures 6

3.5 Program Modifications 7

4.0 RESULTS AND DISCUSSION 8

4.1 Effects of Chinese Atmospheric Nuclear Detonation 8

4.2 Program Findings 8

5.0 TABLES 13

6.0 REFERENCES

CITED 32 APPENDICES A

Crosscheck Program Results A-1 B. Data Reporting Conventions.

B-1 C

Maximum Permissible Concentrations of Radioactivity in Air and Water Above Natural Background in Unrestricted Area C-1 iii

HAZLETON ENVIRONMENTAL SCIENCES LIST OF TABLES No.

Title Page 5.1 Sample collection and analysis program, 1982 14 5.2 Sampling locations 16 5.3 Missed collections and analyses, 1982 20 5.4 Environmental radiological monitoring program summary 21 In addition, the following tables are in the Appendices:

Appendix A A-1 Crosscheck program results, milk and water samples, 1975-1982 A-4 A-2 Crosscheck program results, thermoluminescent dosimeters (TLDs)

A-9 Appendix C C-1 Maximum permissible concentrations of radioactivity in air and water above natural background in unrestricted areas C-2 iv

HAZLETON ENVIRONMENTAL SCIENCES

1.0 INTRODUCTION

This report summarizes and interprets results of the Radiation Environmental Monitoring Program (REMP) conducted by Hazleton Environmental Sciences at the Monticello Nuclear Generating Plant, Monticello, Minnesota, during the period January -

December, 1982.

This Program monitors the levels of radioactivity in the air, terrestrial, and aquatic environments in order to assess the impact of the Plant on its surroundings.

Tabulation of the individual analyses made during the year are not included in this report.

These data are included in a reference document (Hazleton Environmental

Sciences, 1983) available at Northern States Power Company, Nuclear Support Services Department.

Monticello Nuclear Generating Plant is a 545 MWe boiling water reactor located on the Mississippi River in Wright County, Minnesota, and operated by Northern States Power Company.

Initial criticality was achieved on 10 December 1970.

Full power was achieved on 5 March 1971 and commercial operation began on 30 June 1971.

1

HAZLETON ENVIRONMENTAL SCIENCES 2.0

SUMMARY

The Radiation Environmental Monitoring Program (REMP) required by the U.S.

Nuclear Regulatory Commission (NRC) Technical Specifications for the Monticello Nuclear Generating Plant is described.

Results for 1982 are summarized and discussed.

Results obtained for gross beta in airborne particulates collected during the first quarter of 1982 show a moderate effect of fallout from atmospheric nuclear detonation of a 200 kiloton to 1 megaton range device on 16 October 1980.

Presence of other fission products, mostly strontium-90 and cesium-137 in some of the sampling media indicates a long range effect on the environment from fallout resulting from previous atmospheric nuclear tests.

No effect on the environment due to the operation of the Monticello Generating Plant is indicated.

2

HAZLETON ENVIRONMENTAL SCIENCES 3.0 RADIATION ENVIRONMENTAL MONITORING PROGRAM (REMP) 3.1 Program Design and Data Interpretation The purpose of the Radiation Environmental Monitoring Program (REMP) at the Monticello Nuclear Generating Plant is to assess the impact of the Plant on its environment.

For this purpose, samples are collected from the air, terrestrial, and aquatic environments and analyzed for radio active content. In addition, ambient gamma radiation levels are monitored by thermoluminescent dosimeters (TLDs).

Sources of environmental radiation include the following:

(1) natural background radiation arising from cosmic rays and primordial radionuclides; (2) fallout from atmospheric nuclear detonations; (3) releases from nuclear power plants.

In interpreting the data, effects due to the Plant must be distinguished from those due to other sources.

A major interpretive aid in assessment of these effects is the design of the monitoring program at the Monticello Plant which is based on the indicator-control concept.

Most types of samples are collected both at indicator locations (nearby,

downwind, or downstream) and at control locations (distant, upwind, or upstream).

A plant effect would be indi cated if the radiation level at an indicator location was significantly larger than that at the control location.

The difference would have to be greater than could be accounted for by typical fluctuations in radiation levels arising from other sources.

An additional interpretive technique involves analyses for specific radio nuclides present in environmental samples collected from the Plant site.

The Plant's monitoring program includes analyses for tritium, strontium-89, strontium-90, and iodine-131.

Most samples are also analyzed for gamma emitting isotopes with results for the following groups quantified:

3

HAZLETON ENVIRONIVIENTAL SCIENCES zirconium-95, cesium-137, cerium-144, beryllium-7, and potassium-40. The first three gamma-emitting isotopes were selected as radiological impact indicators because of the different characteristic proportions in which they appear in the fission product mix produced by a nuclear reactor and that produced by a nuclear detonation. Each of the three isotopes is pro duced in roughly equivalent amounts by a reactor:

each constitutes about 10% of the total activity of fission products 10 days after reactor shut down. On the other hand, 10 days after a nuclear explosion, the contribu tions of zirconium-95, cerium-144, and cesium-137 to the activity of the resulting debris are in the approximate ratio 4:1:0.03 (Eisenbud, 1963).

Beryllium-7 is of cosmogenic origin and potassium-40 is a naturally occurring isotope.

They were chosen as calibration monitors and should not be considered as radiological impact indicators.

The other group quantified consists of niobium-95, ruthenium-103 and -106, cesium-134, barium-lanthanum-140, and cerium-141.

These isotopes are released in small quantities by nuclear power plants, but to date their major source of injection into the general environment has been atmos pheric nuclear testing.

Nuclides of the final group, manganese-54, cobalt-58 and -60, and zinc-65, are activation products and arise from activation of corrosion products. They are typical components of nuclear power plant's effluents, but are not produced in significant quantities by nuclear detonations.

Other means of distinguishing sources of environmental radiation can be employed in interpreting the data.

Current radiation levels can be compared with previous levels, including those measured before the plant became operational.

Results of the Plant's Monitoring Program can be related to those obtained in other parts of the world.

Finally, results can be related to events known to cause elevated levels of radiation in the environment, e.g., atmospheric nuclear detonations.

3.2 Program Description The sampling and analysis schedule for the Radiation Environmental Moni toring Program (REMP) at the Monticello Plant is summarized in Table 5.1 and briefly reviewed below.

Table 5.2 defines the sampling location codes used in Table 5.1 and specifies for each location its type (indicator or control) and its distance, direction, and sector relative to the reactor site.

To assure that sampling is carried out in a reproducible manner, detailed sampling procedures have been prescribed.(Hazleton Environmental Sciences, 1982).

To monitor the air environment, airborne particulates are collected on membrane filters by continuous pumping at seven locations. Also, airborne iodine is collected by continuous pumping through charcoal filters at four of these locations. Filters are changed and counted weekly.

4

HAZLETON ENVIRONMENTAL SCIENCES Particulate filters are analyzed for gross beta activity and charcoal filters for iodine-131.

A monthly composite of all particulate filters is gamma-scanned on a Ge(Li) detector.

Five of the seven locations.are indicators, and two are controls (M-1 and M-2).

One of the indicators (M-6) is located in the geographical sector expected to be most suscep tible to any atmospheric emissions from the Plant (highest X/Q sector).

Ambient gamma radiation is monitored at the same seven locations using CaF2:Mn thermoluminescent dosimeters (TLDs).

The sensors are placed in pairs at each location and are collected and measured quarterly.

In addition, as a "Lessons Learned" commitment, ambient gamma radiation is monitored at thirty-seven (37) special locations using three (3) LiF2 chips for each location:

fourteen (14) in an inner ring in the general area of the site boundary, sixteen (16) in the outer ring within 4-5 mi radius, six (6) at special interest locations and one control location, 11.5 mi distant from the plant. They are replaced and measured quarterly.

Also, a complete emergency set of TLDs for all locations, including sleven airborne particulate locations, is placed in the field at the same time as regular sets.

The emergency set is returned to HES quarterly for anneal ing and repackaging.

Milk samples are collected monthly from five farms (four indicator and one control).

All samples are analyzed for iodine-131.

In addition, samples from the control location (M-10, Kirchenbauer) and the highest X/Q location (M-18, Olson) are analyzed for strontium-89, strontium-90 and for gamma-emitting isotopes.

Natural vegetation (such as grass) is collected semi-annually from three locations (including the highest X/Q milk location and the milk control location).

Samples are analyzed for gamma-emitting isotopes including iodine-131.

Leafy green vegetables, collected annually from the garden nearest to the Plant and a control location, are analyzed for iodine-131.

Corn is collected annually from the higher X/Q farm and a control location and analyzed for gamma-emitting isotopes.

Potatoes are collected annually from a farm irrigated with downstream river water and a control location, and are analyzed for gamma-emitting isotopes.

The terrestrial environment is also monitored by collection of well water (quarterly),

wildlife (semi-annually) and topsoil (every three years).

The latest collection of soil was in 1982.

5

HAZLETON ENVIRONMENTAL SCIENCES River water is collected weekly at two locations, one upstream of the Plant and one downstream.

Monthly composites are analyzed for gamma emitting isotopes. Quarterly composites are analyzed for tritium.

Drinking water is collected weekly from the City of Minneapolis water supply, which is taken from the Mississippi River downstream of the Plant. Monthly composites are analyzed for gross beta activity and gamma emitting isotopes. Quarterly composites are analyzed for tritium, stron tium-89, and strontium-90.

The aquatic environment is also monitored by semi-annual upstream and downstream collections of fish, algae or aquatic insects, aquatic veg etation, and bottom sediments.

Shoreline sediment is collected semi annually.

3.3 Program Execution The Program was executed as described in the preceding section with the following exceptions:

(1) There were no TLD data for the third quarter, 1982, for locations M-10A, M-11A, M-12A because they were lost in the field (vandalized).

(2) Algae or aquatic insects and aquatic vegetation were not collected in the fall of 1982 from locations M-8 (Upstream) and M-9 (Down stream) because the river was too high.

Deviations from the program are summarized in Table 5.3.

3.4 Laboratory Procedures All strontium-89, strontium-90, and iodine-131 analyses in milk were made using a sensitive radiochemical procedure which involves separation of the element of interest by use of an ion-exchange resin and subsequent beta counting.

All gamma-spectroscopic analyses were performed with a Ge(Li) detector.

Levels of iodine-131 in cabbage and natural vegetation were determined by Ge(Li) spectrometry.

Levels of airborne iodine-131 in charcoal samples were measured by Ge(Li) spectrometry.

6

HAZLETON ENVIRONMENTAL SCIENCES Tritium levels were determined by liquid scintillation technique.

Analytical procedures used by the Nuclear Sciences Department are specified in detail elsewhere (Hazleton Environmental Sciences, 1981).

Procedures are based on those prescribed by the National Center for Radiological Health of the U. S. Public Health Service (U. S. Public Health Service, 1967) and by the Health and Safety Laboratory of the U. S. Atomic Energy Commission (U. S. Atomic Energy Commission, 1972).

Hazleton Environmental Sciences has a comprehensive quality control/quality assurance program designed to assure the reliability of data obtained.

Details of Hazleton's QA Program are presented elsewhere (Hazleton Environ mental Sciences, 1982). The HES QA Program includes participation in laboratory intercomparison (crosscheck) programs.

Results obtained in crosscheck programs are presented in Appendix A.

3.5 Program Modifications There were no program modifications in 1982.

7

HAZLETON ENVIRONMENTAL SCIENCES 4.0 RESULTS AND DISCUSSION All of the scheduled collections and analyses were made except those listed in Table 5.3.

All results are summarized in Table 5.4 in a format recommended by the Nuclear Regulatory Commission in Regulatory Guide 4.8.

For each type of analysis of each sampled medium, this table lists the mean and range for all indicator locations and for all control locations.

The locations with the highest mean and range are also shown.

4.1 The Effect of Chinese Atmospheric Nuclear Detonation There were no reported atmospheric nuclear tests in 1982.

The last reported test was conducted by the People's Republic of China on 16 October 1980.

The reported yield was in the 200 kiloton to 1 megaton range.

There was a moderate residual effect of this test on the gross beta levels in airborne particulates.

The annual mean gross beta activity was about four times lower than in 1981.

The highest mean activity was reached in the month of January and in the first quarter and then by the end of 1982 declined steadily to the level observed in 1980.

4.2 Program Findings A number of program findings reflect effects of the latest Chinese and previous worldwide atmospheric nuclear tests.

The chief environmental indicators of a recent test effects were airborne particulates.

The residual effect of previous nuclear tests was detected in some of the milk, wildlife, natural vegetation, periphyton, bottom sediments, and soil samples (radiostrontium and cesium-137).

Ambient Radiation (TLDs)

At seven regular air sampling locations, indicator TLDs averaged 13.6 mR/91 days and control TLDs averaged 13.7 mR/91 days. The location with the highest mean (15.1 mR/91 days) was location M-7, 2.7 mi SE of the Plant.

8

HAZLETON ENVIRONMENTAL SCIENCES The means at special locations were similar to those measured at regular locations and ranged from 12.3 mR/91 days for the inner ring to 12.6 mR/91 days for the outer ring and special interest areas.

The differ ences are hot statistically significant.

The dose rates observed were similar to those observed in 1978, 1979, 1980, and 1981.

No Plant effect on ambient gamma radiation was indicated.

Air Particulates The average annual gross beta activity in airborne particulates was essentially identical (t indicator locations (0.027 pCi/m 3) and control locations (0.026 pCi/m ) and was about four times lower than in 1981 (0.113' pCi/m 3)and about the same as in 1980 (0.032 pCi/m3).

The decrease in the activity is attributable to the cleansing of the atmosphere from radioactive debris produced by the nuclear test conducted on 16 October 1980 The highest averages for gross beta were for the month of January and the first quarter, then decreased gradually to the 1980 level by the end of the year.

The elevated activity in January and the first quarter was due to residual fallout from the nuclear test conducted 16 October 1980. The spring peak, which usually is observed in April - May (2nd quarter) was somewhat obscured by the elevated activity during the first quarter.

This peak has been observed almost annually (1976,

1979, and 1980 were exceptions) for many years (Wilson et al., 1969).

The spring peak has been attributed to fallout of nuclides from the stratosphere (Gold et al.,

1964).

It was more pronounced in 1981 because of the addition of radio active debris from the latest nuclear test. The spring peak in 1982 was somewhat obscured by higher than normal activity in January and the first quarter of 1982.

Two pieces of evidence indicate conclusively that the elevated observed activity during the first quarter was not attributable to the Plant.

In the first place, elevated activity of similar size occurred simultaneously at both the indicator and control locations.

Secondly, an identical pattern was observed at the Prairie Island Nuclear Generating Plant, about 100 miles distant from the Monticello Generating Plant (Northern States Power Company, 1983).

Except for beryllium-7, all other gamma-emitting isotopes were below their respective LLD levels.

None of the activities detected were attributable to the Plant operation.

9

HAZLETON ENVIRONMENTAL SCIENCES Airborne Iodine Airborne iodine-131 results were below the detection limit of 0.07 pCi/m3 in all samples. Thus. there was no indication of a Plant effect.

Milk Iodine-131 results were below the detection limit of 0.25 pCi/l in all samples.

Strontium-90 results averaged slightly higher at indicator location (M-18).

The annual means were 6.3 pCi/l and 5.3 pCi/l at indicator and control locations respectively.

The difference is not statistically significant. All results were in the range 4.3 -

10.5 pCi/l; a range consistent with 1976,

1977, 1978,

1979, 1980, and 1981 observations at Monticello. Strontium-90 levels in this range are attributable to world wide fallout from previous atmospheric nuclear tests and reflect the long half-life (28.64 yrs.) of this isotope. Cesium-137 results were below the LLD level of 15 pCi/l in all samples.

Cesium-137 is also a long-lived component (with a half-life of 30.24 years) of worldwide fallout and is found in the environment in trace amounts.

Finally, all strontium-89 results in 1982, except one, were less than 2.0 pCi/l, in agreement with 1976, 1977, 1978, 1979, 1980, and 1981 measurements.

The detected activ ity was 5.4 pCi/l in a control sample.

No significant changes were seen in strontium-90 levels which were similar to those observed in 1978,

1979, 1980, and 1981.

This absence of an effect is consistent with the low initial production of this isotope in nuclear explosions (Eisenbud, 1963).

Also no other gamma-emitting iso topes, except potassium-40, were detected in any milk samples.

This is consistent with the finding of the National Center for Radiological Health that most radiocontaminants in feed do not find their way into milk due to the selective metabolism of the cow.

The common exceptions are radio isotopes of potassium,

cesium, strontium, barium, and iodine (National Center for Radiological Health, 1968).

In summary, the presence of strontium-90 in the milk data for 1982 is not due to the effects of Plant operation as explained above, but rather is the result of the long range residual effect of previous atmospheric nuclear tests.

River Water and Drinking Water Tritium was below the LLD level of 330 pCi/l in all samples. Strontium-89 and strontium-90 were below the detection limits of 2.3 pCi/l and 1.4 pCi/l respectively in all drinking water samples.

Gross beta in Min neapolis drinking water averaged 2.9 pCi/l and was similar to the average 10

HAZLETON ENVIRONMENTAL SCIENCES level observed in 1977 (3.4 pCi/1),

in 1978 (3.8 pCi/1).

in 1979 (3.4 pCi/1), in 1980 (3.2 pCi/1),

and in 1981 (3.5 pCi/1).

Comparison with gross beta and strontium-90 data reported by EPA for Minneapolis drinking water samples collected in 1975,

1976, 1977, and 1978 indicates that concentrations of these nuclides are remaining fairly constant and are in the range of drinking water levels in other parts of the country (U.S.

Environmental Protection Agency, 1975, 1976,

1977, 1978).

Gamma-emitting isotopes were below detection limits in all surface water samples.

There was no indication of a Plant effect.

Well Water The tritium level was below the LLD level of 330 pCi/1 in all samples.

All of the gamma scan results were below detection limits.

There was no indication of a Plant effect on the results.

Crops Corn and potatoes were collected in August and analyzed for gamma-emitting isotopes.

Cabbage and turnips were also collected in August and analyzed for iodine-131. All results except for potassium-40, were below detection limits. There was no indication of a Plant effect.

Small Game Animals Rabbits were collected in February, October, and November.

Cesium-137 was detected in the flesh of two rabbits: in one rabbit collected at indicator location M-16 (0.11 pCi/g wet weight) and in one collected at control location M-17 (0.17 pCi/g wet weight).

All other gamma-emitting isotopes, except potassium-40, were below their respective LLD's.

In all samples, potassium-40 results averaged 3.61 pCi/g wet weight in flesh and 4.98 pCi/g wet weight in liver. Thus, no Plant effect is indicated.

Natural Vegetation In natural vegetation, cesium-137 (0.09 pCi/g wet weight) was detected in one sample collected at control location M-10.

The level was similar to that observed at this location in 1980 (0.10 pCi/g wet weight) and in 1981 (0.13 pCi/g wet weight).

All other gamma emitting isotopes, except beryllium-7, which is constantly produced in the upper atmosphere by cosmic rays, and naturally-occuring potassium-40, were below their respec tive LLD's. Thus, no Plant effect is indicated.

Topsoil In soil, strontium-90 was detected in all samples, and averaged 0.103 and 0.070 pCi/g dry weight in indicator and control samples, respectively.

Cesium-137 was also detected in all samples and averaged 0.377 pCi/g dry 11

HAZLETON ENVIRONMENTAL SCIENCES weight at indicator locations and 0.916 pCi/g dry weight.

The only other gamma-emitting isotope detected was naturally-occuring potassium-40.

The mean activity of potassium-40 was identical at both indicator and control locations (12.8 pCi/g dry weight).

There was no indication of a plant effect.

Fish Fish samples were collected in June and September.

Flesh was separated from the bones and gamma scanned.

Potassium-40 was the only isotope detected and the results were similar in upstream and downstream samples (3.12 and 3.54 pCi/g wet weight, respectively).

There was no indication of a Plant effect.

Algae and Periphyton Two samples were collected in June.

Though there was a second scheduled collection in November.

it was not done because the river was too high.

The samples were analyzed for strontium-89, strontium-90, and gamma emitting isotopes.

Most of the isotopes were below detection limits.

Cesium-137 was detected in one upstream sample (0.28 pCi/g wet weight).

Strontium-89 was below the detection limit of 0.13 pCi/g wet weight in both samples.

Strontium-90 was detected in both samples and was slightly higher at the indicator location (0.134 pCi/g wet weight) than at the control location (0.094 pCi/g wet weight).

Except for constantly produced beryllium-7 and naturally-occurring potassium-40, no other gamma-emitting isotopes were detected.

There was no indication of a Plant effect.

Aquatic Vegetation Aquatic vegetation was also collected in June.

The second scheduled collection for November was not done due to a high water level in the river. The samples were analyzed for gamma-emitting isotopes.

Except for naturally-occuring potassium-40, no other isotopes were detected.

No Plant effect was indicated.

Bottom and Shoreline Sediments Bottom and shoreline sediment collections were made in June and October, and analyzed for gamma-emitting isotopes.

Cesium-137 was detected in two bottom sediment samples one upstream and one downstream (0.16 pCi/g dry weight, average) and the activity was slightly lower than in two shoreline sediment samples (0.28 pCi/g dry weight, Montissippi Park),

indicating the influence of fallout deposition.

Similar levels of activ ities and distribution were observed in 1978,

1979, 1980, and,1981.

The only other gamma-emitting isotope detected was naturally-occuring potas sium-40. There was no indication of a Plant effect.

12

HAZLETON ENVIRONIMENTAL SCIENCES 5.0 TABLES 13

Table 5.1 Sample collection and Medium Ambient Radiation (TLD's)

Airborne particulates Airborne iodine Milk River water Drinking Water Well water Edible cultivated crops -

cabbage Edible cultivated crops -

corn analysis program, 1982.

Locations No.

Codes (and Type)a 7

M-1(C), M-2(C),

M-3 to M-7 37 M-O1A - M14A M-01B - M-16B M-O1S - M-06S M-01(C) 7 M-1(C), M-2(C),

M-3 to M-7 3

M-1(C), M-5, M-6a, M-7 3

M-24, M-25 or M-28de, M-26 2

M-10(C), M-18 2

M-8(C), M-9 1

M-14 4

2 2

M-10(C), M-11 to M-13 M-10(C), M-27 M-10(C), M-18 Monticello Collection Type and Frequencyb C/Q C/Q C/W C/W G/M G/M G/W G/W G/Q G/A G/A Analysis Type (and Frequency)c Ambient gamma Ambient gamma GB, GS (MC of all locations) 1-131 1-131 1-131, Sr-89, Sr-90, GS GS(MC), H-3(QC)

GB, GS(MC), H-3 (QC), SR-89,(QC),

SR-90(QC)

H-3, GS 1-131 GS

Table 5.1 (continued)

M

.ocations Collection Analysis Locations Type and Type (and Medium No.

Codes (and Type)a Frequencyb Frequency)c Edible cultivated 2

M-10(C), M-22 G/A GS crops -

potatoes Small game animals 2

M-16, M-17(C)

G/SA GS (Liver and Flesh)

Natural Vegetation 3

M-10(C), M-18, G/SA I-131, GS M-19 Fish (two species, 2

M-8(C), M-9 G/SA GS edible portion)

Algae or Aquatic 2

M-8(C), M-9 G/SA Sr-89, Sr-90 Insects

GS Aquatic Vegetation 2

M-8(C), M-9 G/SA GS.

Bottom Sediment 2

M-8(C), M-9 G/SA GS Shoreline Sediment 1

M-15 G/SA GS Topsoil 12 M-1(C), M-2 G/ETY GS, Sr-90 to M-7, M-18 to M-21, M-26 a

d d fir d

i T kl A

2 C

l4-r oUa Un Ue are ui e n n:

a e-on ro stat ons are indicated by (

).

All other sLaLIo are indicators.

b Collection type is coded as follows: C/ = continuous, G/ =grab. Collection frequency is coded as follows:

W = weekly, M = monthly, Q = quarterly, SA = semi-annually, A = annually, ETY every three years.

c Analysis type is coded as follows: GB = gross beta, GS = gamma spectroscopy, H-3 = tritium, Sr-89 = strontium-89, Sr!90 = strontium-90, 1-131 = iodine-131.

Analysis frequency.is coded as follows:

MC = monthly composite, QC = quarterly composite.

d Sampling for airborne iodine started at M-6 on 24 February, 1981.

e M-28d replaced M28c effective March 1981.

ns I-.

(J~

N r

0 m

0 z

m z

0 z

. z z

0 m

Wn Monti cellIo

HAZLETON ENVIRONMENTAL SCIENCES Table 5.2 Sampling locations.

Monticello Code Typea Name Location C

Station M-1 C

Station M-2 Station M-3 Station M-4 (Control -Ai r)

(Control -Air)

M-1 M-2 M-3 M-4 M-5 M-6 M-7 M-8 M-9 M-10 M-11 M-12 M-13 M-14 M-15 M-16 M-17 M-18 M-19 M-20 M-21 M-22 M-23 M-24 M-24ab M-25 M-26 M-27 M-28bc M-28cd M-28de M-01A M-02A M-03A Station M-5 (Nearest Res.-Air)

Station M-6 (X/Q-Air)

Station M-7 (Closest Comm.-Air)

C Upstream of Plant (1,000 ft.)

Downstream of Plant (1,000 ft.)

C Kirchenbauer Farm (Control)

City of Monticello Plant Well #1 (on-site)

Trunnel Farm City of Minneapolis Montisippi Park (Rec. Area)

Plant Site (on-site)

C Heberling Farm 01son Farm (X/Q-Milk)

Plant Site Area Gillespie Residence Ewing Farm (Irrigated Field)

Dechene Farm Bohanon Farm Nelson Farm Witschen Farm Shovelain Farm Peterson Farm Hageman Residence (Nearest Garden)

Wipper Farm Michaelis Farm Dolly Farm North Boundary Road North Boundary Road North Boundary Road 16 11.1 mi @ 306 0/NW 8.8 mi @ 39*/NE

.0.7 mi @ 3530/N 0.8 mi @ 230/NNE 0.5 mi @ 181 0/S 0.9 mi @ 150 0/SSE 2.7 mi @ 136 0/SE 0.19 mi @ 285 0 /WNW 0.19 mi @ 620 /ENE 11.5 mi @ 323 0/NW 3.2 mi @ 128 0/SE 0.2 mi @ 267 0/W 0.3 mi @ 214 0/SW 36 mi @ 128 0/SE 1.6 mi @ 117 0 /ESE On-site 12 mi @ 258 0/WSW 2.5 mi @ 24 O/NNE 1.0 mi @ 3230 /NW 1.2 mi @ 134 0/SE 4.9 mi @ 115 0/ESE 4.7 mi @ 118 0 /ESE 1.2 mi @ 156 0 /SSE 2.4 mi @ 269 0/W 3.2 mi @ 260 0/W 3.0 mi @ 250 0/WSW 2.3 mi @ 111 0 /ESE 1.4 mi @ 1310/SE 3.2 mi.@ 173 0/S 3.2 mi @ 223*/SW 3.9 mi @ 206 0/SSW North Sector Sampler is on the south side of the road near pole #485 and it is outside the fenced area of north sector air sampling station.

NNE Sector Sampler is on the south side of the road between poles #474 and #475 and is outside the fenced area of the NNE Sector air sampling station.

NE Sector Sampler is on the south side of the road between poles 455 & 456.

HAZLETON ENVIRONMENTAL SCIENCES (continued)

Monticello Code Typea Name Location M-04A M-05A 17 Table 5.2 Road to Biology Station Road to Biology Station Road to Biology Station County Road 75 County Road 75 County Road 75 County Road 75

'County Road 75 County Road 75 North Boundary Road North Boundary Road

East Sector Sampler is next to a corner fence post around the first curve at the bottom of the road.

ESE Sector Sampler is next to fence post opposite the road that leads to the Meteorolog ical tower.

SE Sector Sampler is next to a fence post at the first curve in the road.

SSE Sector Sampler is on the north side of the road adjacent to a sign that reads "Left Turn Traffic 600 Feet".

South Sector Sampler on the north side of the road opposite the west side of the bridge over Highway 94.

SSW Sector Sampler is on the east side of the fenced area of the air sampling station between County Road 75 and Hwy

94.

SW Sector Sampler is adjacent to the mail box of a trailer home north of County Road 75.

WSW Sector Sampler is on the south side of the monitoring building facing the Monticello Plant (Sherburne County Rd.

4 east of the town of Becker about 1 mile).

West Sector Sampler is adjacent to a railroad communication pole and about 600 ft. west of an unused service road entrance (plant).

I NW Sector Sampler is on the south side of the road between poles 497 & 498 near an exist ing fence post.

NNW Sector Sampler is located on the south side of the road between poles 491 & 492.

M-06A M-07A M-08A M-09A M-10A M-11A M-12A M-13A M-14A

HAZLETON ENVIRONMENTAL SCIENCES (continued)

Monticello Code Typea Name Location M-01B Sherco #1 Air Monitoring Station County Road 11 and 55th Avenue Intersection of County Road and 81 Sherco #6 Air Monitoring Station City of Big Lake Garage At Junction of County Road #14 and 196th St.

Industrial Drive Dale K. Larson Res.

Near Norbert Weinand Farm Near the John-Reisewitz Farm 18 Table 5.2 North Sector. Sampler is on the south side of the monitoring building facing the Monticello Plant (Sherburne County Rd. #4 east of the town of Becker, about 1 mile).

NNE Sector. Sampler is near the street sign post behind the telephone junction box facing the plant.

NE Sector. Sampler is behind the telephone junction box and faces the direction of the plant (on County Road #73).

ENE Sector Sampler is south of monitoring building adjacent to the power pole facing the direction of the Monticello plant.

East Sector County Road #73 and Hwy. 10 (NE Corner)

Sampler is on the south-west corner of the building about 6 ft. away and facing the plant.

ESE Sector Sampler is located on the northwest corner of the intersection midway between the street sign and a tree facing the plant.

SE Sector Sampler is adjacent to NSP power pole #21 and facing the plant.

SSE Sector - Hwy. #25 and ap proximately 1/4 mile south of County Road #106.

Sampler is adjacent to the residence power pole and facing the plant.

South Sector Sampler is adja cent to -power pole #44 and about 6 ft. south of it facing the plant.

SSW Sector Sampler is near the road adjacent to pole #EM204, facing the Monticello Plant.

M-02B M-03B M-04B M-05B M-06B M-07B M-08B M-09B M-10B

HAZLETON ENVIRONMENTAL SCIENCES (continued)

Monticello Code Typea Name

' Location M-11B M-12B Near the Clifford Vanlith Farm Lake Maria State Park Entrance Near Bridgewater Switching Station Near the Richard K Anderson Residence Near the Gary Williamson Residence Sand Plain Research Farm (U of M)

Floyd Hartung Residence Near Monticello Service Center Big Oaks Park Pinewood Elementary Roman Greener Residence Near Monticello Service Center Kirchenbauer Farm b"C" denotes control location.

All other locations are indicators.

Witschen Farm (M-24a) replaces Nelson Farm (M-24) which went out of business on 10 November 1981.

d M-28b (Wipper Farm) replaced M-25 (Shovelain Farm) effective September 1979.

e M-28c (Michaelis Farm) replaced M-28b (Wipper Farm) effective October 1980.

M-28d (Dolly Farm) replaced M-28c (Michaelis Farm) effective March 1981.

19 Table 5.2 SW Sector Sampler is north of the road adjacent to the mail box and near pole #35.

WSW Sector - Sampler is on the (south) side of the entrance road between a "State Park" sign and a tree.

West Sector (Enfield Exchange)

-Sampler is outside the south east corner of the fenced area and facing the Monticello Plant.

WNW Sector Sampler is on the west side of the road adjacent to the mail boxes.

NW Sector Sampler is located on the west side of the road adjacent the mail boxes.

NNW Sector Sampler is located behind the signboard and facing the Monticello Plant.

SSW Sector Sampler is east of driveway next to a fence post.

SE Sector Sampler is adjacent to a pole with a night light on it next to the driveway.

East Sector (on County road #

11) Sampler is near the(sign post on the north side df the entrance road and facing the plant.

SSE Sector Sampler is adjacent to the northeast corner of the tennis court fence.

ESE Sector (near County #50 and 208 St.) Sampler is near flag pole on the residence property.

SE Sector Sampler is adjacent to the air monitoring station west of the building.

NW Sector Sampler is located

- adjacent to the mail boxes.

M-13B M-14B M-15B M-16B M-01S M-02S M-03S M-04S M-05S M-06S M-01C

HAZLETON ENVIRONMENTAL SCIENCES Table 5.3.

Missed collections and analyses for 1982, at Monticello NGP. All required samples were collected and analyzed except the following:

Collection Date Sample Location Analysis or Period Comments Thermoluminescent M-10A Dosimeters (TLDs)

M-11A Ambient Radiation 3rd Qtr. 1982 Lost in the field, M-12A vandalized.

Algae or Aquatic M-8 Insects M-9 Gamma Isotopic November 1982 River too high.

Aquatic Vegetation M-8 M-9 Gamma Isotopic November 1982 River too high 20

Table 5.4 Environmental Radiological Monitoring Program Summary.

Name of facility Monticello Nuclear Generating Plant Location of facility Wright, Minnesota (County, State)

Docket No.

50-263 Reporting Period January-December 1982 Sample Type (Units)

TLD (mR/91 days)

TLD (mR/91 days-)

(Inner Ring, General Area at Site Boundary)

TLD (mR/91 days (Outer ring, 4-5 miles distant)

TLD (mR/91 days (Special Interest Areas)

TLD (mR/91 days)

(Control)

Airborne Particl ates (pCi/m)

Monthly Composites of all Locatigns (pCi/m )

Type and Number of Analvsesa S

F1 Tndicator LLDb Location8 Mean(F)

Ranoec t

Gamma Gamma Gamma Gamma Gamma GB 28 64 24 4

364 GS 1.0 3.0 3.0 3.0 3.0 0.002 12 Be-7 Mn-54 Co-58 Co-60 0.040 0.0007 0.0010 0.0005 13.6 (20/20)

(10.6-17.0) 12.3 (53/53)

(8.9-15.2) 12.6 (64/64)

(8.7-17.1) 12.5 (24/24)

(9.8-15.0)

None 0.027 (255/260)

(0.011-0.063) 0.089 (12/12)

(0.049-0.189)

<LLD

<LLD Location with Highest Annual Mean

.Mean(F)

Locationd Ranqe M-7, Station M-7 2.7 mi @ 136 0/SE M-14A, North Boundary Road SE Sector M-05B, City of Big Lake Garage East Sector M-02S, Near Monticello Service Center SE Sector M-01C, Kirchenbauer Fannm NW Sector M-2, Station M-2 (Control Air) 8.8 mi @ 390/NE M-6, Station M-6 (X/Q air) 0.9 mi @ 150 0/SE M-7, Station M-7 (Closest Comm. Air) 2.7 mi @ 136 0/SE NAf

-.----~~-----.-4 2

-~

15.1 (4/4)

(14.2-17.0) 13.2 (4/4)

(10.8-15.2) 15.9 (4/4)

(13.0-17.1) 12.9 (4/4)

(9.9-15.0) 12.0 (4/4)

(10.1-13.2)

_____________________ p 0.028 (52/52)

(0.011-0.061) 0.028 (51/52)

(0.012-0.056) 0.028 (50/52)

(0.012-0.063)

ConEtri1 Locations Mean(F)

Range 13.7 (8/8)

(12.0-15.0)

(See control below)

(See control below) 12.0 (4/4)

(10.1-13.2) 0.026 (104/104 (0.009-0.061)

None None 0

None 0

no.

Number of Non-routine Resultse 0

0 0

a Table 5.4 (Continued)

Name of facility Monticello Nuclear Generating Plant Sample Type (Units)

Type and Number of Analysesa Airborne Zn-65 Particulates Monthly Nb-95 Composites of all Locations i Zr-95 (pCi/mn3)

(Cont'd)

Ru-103 Ru-106 Ba-134 Cs-137 Ba-140 La-140 Ce-141 Ce-144 Airborne I1-131 Iodine (pCi/m3)

Milk (pCi/1 )

1-131 Sr-89 Sr-90 GS K-40 212 60 24 24 24 Cs-134 Cs-137 Ba-La-140 I LLDb I

0.0013 0.0010 0.0030 0.0028 0.0073 0.0007 0.0006 0.0057 0.0034 0.0060 0.0039 0.07 Indicator LocationE Mean(F)

Rangec Location with Highest Annual Mean Mean(F)F Locationd Range

<LLD

-*1---

1~

0.25 2.0 1.0 200 15 15 18

<LLD

<LLD 6.3 (12/12)

(4.3-10.5) 1190 (12/12)

(1080-1450)

<LLD

<LLD M-10, Kirchenbauer Farm 11.5 mi @ 323 0 /NW M-18, Olson 2.5 mi @ 24*/NNE M-10, Kirchenbauer Farm 11.5 mi @ 3230/NW I

1 I

<LLD 5.4 (1/12) 5.3 (12/12)

(4.3-6.6) 1280 (12/12)

(1090-1520)

<LLD

<LLD Control Locations Mean(F)

Range None None None None None None None None None None None

<LLD 5.4 (1/12) 6.3 (12/12)

(4.3-10.5) 1280-(12/12)

(1090-1520)

Number of Non-routine Resultse 0

0 0

N r m

_q 0 z m

z 0 z m

z 01 r

z (0

C)

t b

V S

Table 5.4 (Continued)

Name of facility _

-Monticello Nuclear Generating Plant SIndicator Location wiTight Sample Type and Location I

Annual Mean Type Number of Mean(F)

Mean(FT (Units)

Analysesa LLDb Rangec Locationd Range River Water (pCi/1)

Drinking Water (pCi/1)

H-3 GS Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-La-140 Ce-144 GB 8

24 12 H-3 4

Sr-89 4

Sr-90 4

GS 12 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 330 15 15 15 30 17 34 15 18 21 114

-I-1.0 330 2.3 1.4 15 15 15 30 24 34

<LLD

<LLD 2.9 (12/12)

(2.3-4.0)

<LLD

<LLD M-14, Minneapolis 36 mi @ 128 0 /SE 2.9 (12/12)

(2.3-4.0)

CotroC Locations Mean(F)

Range

<LLD None None None None None None None None None None None None None None

<LLD

<LLD Number of Non-routine Resultse 0

0

0.

0 0

N r m

-]

0 z m

z 0 z z

F (l z C) m (n

Table 5.4 (Continued)

Name of facility Monticello Nuclear Generating Plant Sample Type (Units)

Drinking Water (pCi/1)

(Cont'd)

Well Water (pCi/l)

Crops-Potatoes (pCi/g wet)

Type and Number of Analysesa Cs-134 Cs-137 Ba-La-140 Ce-144 H-3 GS Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-La-140 Ce-144 GS Be-7 K-40 16 16 2

Mn-54 Co-58 Co-60 Zn-65 LLDb 15 18 15 107 330 15 15 15 30 22 27 15 18 21 122 0.31 0.5 0.041 0.028 0.037 0.071 Indicator Location Mean(F)

Rangec

<LLD

<LLD 2.79 (1/1)

<LLD

<LID

<LLD

<LLD Location with Highest Annual Mean __

Locationd M-10, Kirchenbauer 11.5 mi @ 323*/NW Mean(

Range 4.48 (1/1)

Control Locations Mean(F)

Range

.<LLD

<LLD

<LLD 4.48 (1/1)

<LLD

<LLD,

<LLD Sr Number of Non-routine Resultse 0

0 0

I N r m

-I 0 z m

2 S 0

z m

z

-I ci) n ni z

0 m U)

Table 5.4 (Continued)

Name of facility Sample Type and Type Number of (Units)

Analysesa Crops-Potatoes (pCi/g wet)

(Cont'd)

Crops-Cabbage (pCi/g wet Crops-Corn (pCi/g wet)

Nb-95 Zr-95 Ru-103 Ru-106 1-131 Cs-134 Cs-137 Ba-140 La-140 Ce-141 Ce-144 1-131 2

GS 2

Be-7 K-40 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Ru-103 Ru-106 Monticello Nuclear Generating Plant Indicator Location with Highest Control Locationg Annual Mean Locations Mean(F)

-Mean(F)

I Mean(F)

LLDb Rangec Locationd Range Range 0.040 0.042 0.048 0.19 0.62 0.020 0.028 0.072 0.026 0.076 0.23 0.025 0.34 0.5 0.031 0.042 0.022 0.053 0.033 0.074 0.098 0.26

<LLD

<LLD 2.63 (1/1)

<LLD

<LLD M-10, Kirchenbauer 11.5 mi @ 323 0/NW 2.75 (1/1)

<LLD

<LLD Number of Non-routine Resultse 0

0 0

0 Ln

<LLD 0

2.75 (1/1) 0

<LLD 0

<LLD' 0

<LLD 0

I

Table 5.4 (Continued)

Name of facility Monticello Nu Sample Type and Type Number of (Units)

Analysesa LLDb Crops-Corn (pCi/g wet)

(Cont d)

Small Game Animals-Flesh (pCi/g wet)

Small Game Animals-Liver (pCi/g wet) 1-131 Cs-134 Cs-137 Ba-140 La-140 Ce-141 Ce-144 GS K-40 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-140 La-140 GS K-40 Mn-54 0.70 0.025 0.022 0.093 0.015 0.084 0.17 clear Generating Plant Indicator Location Mean(F)

Rangec

<LLD

<LLD Location with Highest Annual Mean Mean(F Locationd Range 3.71 (2/2)

(3.51-3.90) 0.174 (1/2) 4 1 t

I I

0.1 0.076 0.096 0.051 0.13 0.12 0.19 0.068 0.074 0.20 0.053 4

2.0 0.15 3.71 (2/2)

(3.51-3.90)

<LLD

<LLD 0.106 (1/2)

<LLD

<LLD 4.54 (2/2)

(2.23-6.86)

<LLD -

M-16, Plant Site Area On Site M-17, Heberling Farm 12 mi @ 258*/WSW M-16, Plant Site

.Area, on-site 4.54 (2/2)

(2.73-6.86)

Control Locations Mean(F)

Range

<LLD

<LLD Number of Non-routine Resultse 0

0 0

I N r m 01 z m

z 0 z m

z

-1 r

to 0

m z

0 m

E) 3.50 (2/2)

(2.94-4.05)

<LLD

<LLD 0.174 (1/2)

<LLD

<LLD 4.42 (2/2)

(3.30-5.54)

<LLD

Table 5.4 (Contin Name of Sample Type (Units)

Small Game Animals-Liver (pCi/g wet)

(Cont'd)

Natural Vegetation (pCi/g wet) ued) facility Type and Number of_

Analysesa Co-58 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-140 La-140 6

GS Be-7 K-40 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Ru-103 Ru-106 1-131, Cs-134 Cs-137 Monticello Nuclear Generating Plant LLDb 0.28 0.14 0.40 0.56 0.49 0.13 0.14 0.39 0.13 0.57 0.5 0.045 0.061 0.041 0.12 0.057 0.082 0.055 0.36 0.086 0.060 0.054 Indicator Location with Highest Location I

Annual Mean Mean(F)

Mean(F)

Rangec Locationd Range

<LLD

<LLD I

4-1 i

2.43 (3/4)

(1.68-2.73) 3.82 (4/4)

(1.56-5.19)

<LLD

<LLD M-18, Olson Farm 2.5 mi @ 24*/NNE M-10, Kirchenbauer Farm 11.5 mi @ 323*/NW 2.73 (1/2) 4.88 (2/2)

(4.06-5.69)

M-10, Kirchenbauer Farm 0.086 (1/2) 11.5 mi @ 323 0/NW

______________________________ I ___________________________________

Locations Mean(F)

Range

<LLD

<LLD Number of Non-routine Resultse 0

0 0

2.11 (2/2)

(1.79--2.43) 4.88 (2/2)

(4.06-5.69)

<LLD

<LLD 0.086 (1/2) i

(Continued)

Name of facility Monticello Nuclear Generating Plant Sample Type (Units)

Natural Vegetation (pCi/g wet)

(Cont'd)

Fish (pCi/g wet)

Type and Number of Analysesa Ba-140 La-140 Ce-141 Ce-144 GS K-40 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-140 La-140 Indicator Location with Highest Location Annual Mean Mean(F)

Mean (F LLDb Ranqec Locationd Range 0.20 0.043 0.085 0.34

<LLD

<LLD Control Locations Mean(F)

Range_

<LLD

<LLD 8

0.1 0.10 0.076 0.071 0.12 0.079 0.20 0.070 0.072 0.26 0.065 3.54 (4/4)

(2.83-3.91)

<LLD

<LLD M-9, Downstream of Plant 0.19 mi @ 62*/ENE 3.54 (4/4)

(2.83-3.91) 3.12 (4/4)

(2.74-3.49)

<LLD

<LLD Number of Non-routine Resultse 0

0 0

Periphyton Sr-89 2

0.13

<LLD

<LLD 0

(pCi/g wet)

Sr-90 2

0.041 0.134 (1/1)

M-9, Downstream of Plant 0.134 (1/1) 0.094 (1/1) 0 0.19 mi @ 620/ENE GS 2

Be-7 0.87

<LLD M-8, Upstream of Plant 1.65 (1/1) 1.65 (1/1) 0 0.19 mi @ 285*/NW K-40 1.0 3.00 (1/1)

M-8, Upstream of Plant 3.43 (1/1) 3.43 (1/1) 0 0.19 mi @ 285*/NW Mn-54 0.073

<LLD

<LLD 0

Table 5.4

0) 00~

N r m 0 z m z

-0 r

En z

C)

Table 5.4 (Continued)

Name of facility Monticello Nuclear Generating Plant Sample Type (Units)

Periphyton (pCi/g wet)

(Cont d)

Aquatic Vegetation (pCi/g wet)

Type and Number of Analysesa Co-58 Co-60 Zn-65 Nb-95 Zr-95 Ru-103 Ru-106 Cs-134 Cs-137 Ba-140 La-140 Ce-141 Ce-144 GS Be-7 K-40 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Ru-103 LLDb 0.067 0.071 0.12 0.090 0.19 0.088 0.57 0.098 0.085 0.17 0.062 0.19 0.43

<LLD

<LLD Location with Highest Annual Mean Locationd Indicator Location Mean(F)

Rangec

<LLD

<LLD Mean(F)

Range 0.278 (1/1)

Control Locations Mean(F)

Range

<LLD

<LLD 0.278 (1/1)

<LLD

-~ _________

2 0.20 1.38 0.017 0.028 0.034 0.040 0.019 0.039 0.020 4--

_______________T________

<LLD 2.99 (1/1)

<LLD

<LLD M-9, Downstream of Plant 0.19 mi @ 62* ENE 2.99 (1/1)

<LLD 1.69 (1/1)

<LLD

<LLD Number of Non-routine Resultse 0

0 0

0 M-8, Upstream of Plant 0.19 mi @ 285"/WNW

Table 5.4 (Continued)

Name of facility Monticello Nuclear Generating Plant Indfcator Location Mean(F)

Rangec

<LLD

<LLD Loct i tonwit Wighest Annual Mean Locationd Mean(F)

Range

-I-I..

I-1

<LLD 12.35 (4/4)

(11.19-12.82)

<LLD

<LLD 0.231 (3/4)

(0.127-0.293)

<LLD

<LLD M-8, Upstream of Plant 0.19 mi 9 285*/WNW M-15, Montissippi Park 1.6 mi @ 117 0/ESE 12.98 (2/2)

(12.84-13.11) 0.284 (2/2)

(0.274-0.293)

-Control Locations Mean(F)

Range

<LLD

<LLD 12.98 (2/2)

(12.84-13.11)

<LLD

<LLD 0.183 (1/2)

<LLD

<LLD I_____j -____-----_______1_______

1________-___I____-_________________________

Sampl e Type (Units)

Aquatic Vegetation (pCi/? wet)

(Cont d)

LLDb Type and Number of Analysesa Ru-106 Cs-134 Cs-137 Ba-140 La-140 Ce-141 Ce-144 0.17 0.026 0.025 0.059 0.023 0.047 0.13 Bottom and Shoreline Sediments (pCi/g dry) 6 GS Be-7 K-40 Number of Non-routine Resultse 0

0 0

0.54 0.5 0.051 0.064 0.056 0.12 0.059 0.070 0.070 0.40 0.10 0.056 0.062 0.11 0.26 Mn-54 Co-58 Co-60 Zn-65 Nb-95 Zr-95 Ru-103 Ru-106 Cs-134 Cs-137 Ba-La-140 Ce-141 Ce-144 N r m

-1

)4 0 z m

z M

0 z m

z Ul r

(1 z 0 m En

Table 5.4 (Continued)

Name of facility Monticello Nuclear Generating Plant Sample Type (Units)

Top Soil (pCi/g dry)

Type and Number of Analysesa 12 12 Sr-90 GS Be-7 K-40 Mn-54 Co-58 Co-60 Zn-65 Ub-95 Zr-95 Ru-103 Ru-106 Cs-134 Cs-137 Ba-140 La-140 Ce-141 Ce-144 LLDb 0.02 0.85 1.00 0.074 0.062 0.082 0.17 0.071 0.15 0.13 0.57 0.057 0.030 0.17 0.040 0.16 0.36 Indicator Location Mean(F)

Rannec 0.103 (10/10)

(0.038-0.180)

<LLD 12.8 (10/10)

(11.5-14.4)

<LLD

<LLD 0.377 (10/10)

(0.204-0.610)

<LLD

<LLD Location with Highest Annual Mean Locationd M-7, Station M-7 2.7 mi @ 136 0 /SE M-3, Station M-3 0.7 mi @ 353*/N M-1I Station M-1 11.1 mi @ 306*/NW Mean(F)

Range Control Locations Mean(F)

Range GB = gross beta; GS = gamma scan.

LLD = nominal lower limit of detection based on 4.66 sigma error for background sample.

Mean and range based upon detectable measurements only.

Fraction of detectable measurements at specified locations is indicated in parentheses (F).

Locations are specified (1) by name and code (Table 2) and (2) distance, direction, and sector relative to reactor site.

Nonroutine results are those which exceed ten times the control station value.

If no control station value is available, the result is considered nonroutine if it exceeds ten times the preoperational value for the location.

Monthly composites from all locations were gamma scanned together.

Thus the location with the highest annual mean cannot be identified.

I-.

Number of Non-routine Resultse 0.180 (1/1) 14.4 (1/1) 1.61 (1/1) a b

c d

e f

0.070 (2/2)

(0.067-0.072)

<LLD 12.8 (2/2)

(11.6-13.9)

<LLD

<LLD 0.916 (2/2)

(0.221-1.61)

<LLD

<LLD 0

0 0

HAZLETON ENVIRONMENTAL SCIENCES

6.0 REFERENCES

CITED Eisenbud, M.

1963.

Environmental Radioactivity, McGraw-Hill, New York, New York, pp. 213, 275, and 276.

Gold, S., H. W. Barkhau, B. Shlein, and B Kahn, 1964. Measurement of Naturally Occurring Radionuclides in Air, in the Natural Radiation Environment, University of Chicago Press, Chicago, Illinois, 369-382.

Hazleton Environmental Sciences Corporation.

1978.

Sampling Procedures, Monticello Nuclear Generating Plant, Revision 10, 10 March 1981.

1979a.

Radiation Environmental Monitoring for Prairie Island Nuclear Generating Plant, Complete Analysis Data Tables, January December 1978.

1979b.

Radiation Environmental Monitoring for Monticello Nuclear Generating Plant, Complete Analysis Data Tables, January - December 1978.

1980a.

Radiation Environmental Monitoring for Monticello Nuclear Generating Plant, Complete Analysis Data Tables, January - December 1979.

1980b.

Radiation Environmental Monitoring for Prairie Island Nuclear Generating Plant, Complete Analysis Data Tables, January December 1979.

1981a.

Radiation Environmental Monitoring for Monticello Nuclear Generating Plant, Complete Analysis Data Tables, January - December 1980.

1981b.

Radiation Environmental Monitoring for Prairie Island Nuclear Generating Plant, Complete Analysis Data Tables, January December 1980.

1982a.

Radiation Environmental Monitoring for Monticello Nuclear Generating Plant, Complete Analysis Data Tables, January - December 1981.

1982b.

Radiation Environmental Monitoring for Prairie Island Nuclear Generating Plant, Complete Analysis Data Tables, January December 1981.

32

HAZLETON ENVIRONMENTAL SCIENCES 1983a.

Radiation Environmental Monitoring for Monticello Nuclear Generating Plant, Complete Analysis Data Tables, January - December 1982.

1983b.

Radiation Environmental Monitoring for Prairie Island Nuclear Generating Plant, Complete Analysis Data Tables, January December 1982..

1971a. Quality Control Program, Nuclear Sciences Section, Revision 5, 6 November 1981.

1971b.

Quality Control Procedures Manual, Nuclear Sciences Section, Revision 4, 4 April 1981.

1982.

Quality Assurance Program Manual, Revision 0, 1

January 1982.

1977.

Analytical Procedures Manual, Nuclear Sciences Section, Revision 2, 22 May 1981.

National Center for Radiological Health, 1968.

Radiological Health and Data Reports, Vol. 9, Number 12, 730-746.

Northern States Power Company.

1977.

Monticello Nuclear Generating Plant, Annual Radiation Environmental Monitoring Report to the U.S.

Nuclear Regulatory Commission, January 1, 1976 through December 31, 1976 (prepared by NALCO Environmental Sciences) Minneapolis, Minnesota.

1978. Monticello Nuclear Generating Plant, Annual Radiation Environmental Monitoring Report to the U.S. Nuclear Regulatory Commission, January 1, 1977 through December 31, 1977 (prepared by NALCO Environmental Sciences) Minneapolis. Minnesota.

1979. Monticello Nuclear Generating Plant, Annual Radiation Environmental Monitoring Report to the U.S. Nuclear Regulatory Commission, January 1, 1978 through December 31, 1978 (prepared by Hazleton Environ mental Sciences) Minneapolis, Minnesota.

1980. Monticello Nuclear Generating Plant, Annual Radiation Environmental Monitoring Report to the U.S. Nuclear Regulatory Commission.

January 1, 1979 to December 31, 1979 (prepared by Hazleton Environmental Sciences) Minneapolis. Minnesota.

1981.

Monticello Nuclear Generating Plant, Annual Radiation Environmental Monitoring Report to the U.S. Nuclear Regulatory Commission, January 1, 1980 to December 31, 1980 (prepared by Hazleton Environmental Sciences) Minneapolis, Minnesota.

1982. Monticello Nuclear Generating Plant, Annual Radiation Environmental Monitoring Report to the U.S. Nuclear Regulatory Commission, January 1, 1981 to December 31, 1981 (prepared by Hazleton Environmental Sciences) Minneapolis, Minnesota.

33

HAZLETON ENVIRONMENTAL SCIENCES U. S. Atomic Energy Commission.

1972.

HASL Procedures Manual, Health and Safety Laboratory, New York, NY.,

10014.

U. S. Department of Energy.

1978.

Environmental Quarterly, January 1, 1979.

Environmental Measurements Laboratory, New York, NY 10014.

U. S. Environmental Protection Agency.

1978.

Environmental Radiation Data, Report 12 (April 1978) and Report 14 (October 1978). Eastern Environmental Radiation Facility, Montgomery, Alabama.

U. S. Public Health Service.

1967.

Radioassay Procedures for Environmental

Samples, National Center for Radiological

Health, Rockville, Maryland (Public Health Service Publication No. 999-RH-27).

Wilson, D. W., G. M. Ward, and J. E. Johnson. 1969. In Environmental Contami nation by Radioactive Materials, International Atomic Energy Agency, p.

125.

34

HAZLETON ENVIRONMENTAL SCIENCES Appendix A Crosscheck Program Results A-1

HAZLETON ENVIRONMENTAL SCIENCES Appendix A Crosscheck Program Results The Nuclear Sciences Department of Hazleton Environmental Sciences has parti cipated in interlaboratory comparison (crosscheck) programs since the formula tion of its quality control program in December 1971.

These -programs are operated by agencies which supply environmental-type samples (e.g.,

milk or water) containing concentrations of radionuclides known to the issuing agency but not to participant laboratories.

The purpose of such a program is to provide an independent check on the laboratory's analytical procedures and to alert it to any possible problems.

Participant laboratories measure the concentrations of specified radionuclides and report them to the issuing agency.

Several months later, the agency reports the known values to the participant laboratories and specifies control limits.

Results consistently higher or lower than the known values or outside the control limits indicate a need to check the instruments or procedures used.

The results in Table A-1 were. obtained through participation in the environ mental sample crosscheck program for milk and water samples luring the period 1975 through 1982.

This program has been conducted by the U. S. Environmental Protection Agency Intercomparison and,Calibration Section, Quality Assurance

Branch, Environmental Monitoring and Support Laboratory, Las Vegas, Nevada.

The results in Table A-2 were obtained for thermoluminescent dosimeters (TLD's) during the period 1976, 1977, 1979, 1980, and 1981 through participation in the Second, Third, Fourth, and Fifth International Intercomparison of Environmental Dosimeters under the sponsorships listed in Table A-2.

A-2

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

U.S. Environmental Protection Agency's crosscheck program, comparison of EPA and Hazleton ES results for milk and water samples, 1975 through 1982a.

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2a c

+/-30, n=1d STM-40 Milk STW-45 Water STW-47 Water STW-48 Water STW-49 Water STW-53 Water STW-54 Water STW-58 Water Jan.

1975 Apr. 1975 Jun.

1975 Jun.

1975 Aug.

1975 Oct.

1975 Sr-89 Sr-90 1-131 Cs-137 Ba-140 K(mg/l)

Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 H-3 H-3 Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 H-3 Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 H-3

<2 73+/-2.5 99+/-4.2 76+/-0.0

<3.7 1470+/-5.6

<14 421+/-6 487+/-6 505+/-16 385+/-3 468+/-3 1459+/-144 2404+/-34

<14 344+/-1 330+/-5 315+/-7 291+/-1 387+/-2 3317+/-64 223+/-11 305+/-1 289+/-3 346+/-5 238+/-1 292+/-2 1283+/-80 0+/-15 75+/-11.4 101+/-15.3 75+/-15 0+/-15.0 1510+/-228 0

425+/-63.9 497+/-74. 7 497+/-74.7 400+/-60.0 450+/-67.5 1499+/-1002 2204+/-1044 0

350+/-53 327+/-49 32 5+/-49 304+/-46 378+/-57 3200+/-1083 225+/-38 307+/-46 281+/-42 279+/-57 256+/-38 307+/-46 1203+/-988

/

A-3

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2o C

+/-3a, n=ld STM-61 Milk STW-63 STW-64 STW-68 STW-78 STW -84 STM-91 Water Water Water Water Water Milk STW-93 Water STW-94 STM-97 Water Milk STW-101 Water Nov.

1975 Dec.

1975 Feb.

Jun.

Aug.

Nov.

1976 1976 1976 1976 Dec.

1976 Dec.

1976 Mar.

1977 Apr.

1977 Sr-90 1-131 Cs-137 Ba-140 K(Mg/l)

H-3 Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 H-3 H-3 H-3 1-131 Ba-140 Cs-137 K(mg/l)

Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 H-3 1-131 Ba-140 Cs-137 K(mg/l)

H-3 68.9+/-2.1 64.6+/-3.8 75.6+/-20

<3.7 1435+/-57 1034+/-39

<14 221+/-1 215+/-6 171+/-9 198+/-2 152+/-4 1124+/-31 2500+/-44 3097+/-21 83+/-0.6

<4 12+/-1.7 1443+/-31 105+/-15

<4 97+/-4 87+/-3 85+/-4 103+/-4 2537+/-15 55+/-2.5

<6 34+/-1 1520+/-35 1690+/-62 74.6+/-11.2 75+/-15 75+/-15 0

1549+/-233 1002+/-972 0

203+/-30.5 201+/-30. 2 181+/-27.2 202+/-30.3 151+/-22.7 1080+/-978 2502+/-1056 3100+/-1080 85+/-15 0

11+/-15 1510+/-228 104+/-15 0

102+/-15 99+/-15 93+/-15 101+/-15 2300+/-1049 51+/-15 0

29+/-15 15 50+/-233 1760+/-1023 A-4

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2a C

+/-30, n=ld STM-130 Milk STW-105 Water STW-107 Water STW-113 Water STW-116 Water STW-118 Water STW-119 Water STW-136 Water STW-137 Water May 1977 Jun.

1977 Jun.

1977 Aug. 1977 Sep.1977 Oct.

1977 Oct. 1977 Feb.

1978 Feb.

1978 Sr-89 Sr-90 1-131 Ba-140 Cs-137 K(mg/l)

Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 Ra-226 Sr-89 Sr-90 Gross Alpha Gross Beta H-3 Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 H-3 Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 38+/-2.6 12+/-2.1 59+/-2.1 53+/-4.4 14+/-1.2 1533+/-21

<14 29+/-1 74+/-7 64+/-8 41+/-1 35+/-3 4.7+/-0.3 310e 10+/-2e 12+/-6 32+/-6 1475+/-29 132+/-14 39+/-2 51+/-5 63+/-6 30+/-3 26+/-1 44+/-15 10+/-4.5, 50+/-15 72+/-15 10+/-15 1560+/-234 0

29+/-15 74+/-15 62+/-15 44+/-15 35+/-15 5.1+/-2.42 14+/-15 10+/-4.5 10+/-15 30+/-15 1650+/-1017 153+/-24 38+/-15 53+/-15 74+/-15 30+/-15 25+/-15 1690+/-270 1680+/-1020

<27 36+/-2 32+/-4 41+/-2 47+/-2

<2 0

34+/-15 29+/-15 36+/-15 52+/-15 0

A-5

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2a c

+/-3a, n=ld STW-138g Water Mar. 1978 Ra-226 5.4+/-0.1 5.5+/-0.6 Ra-228 NA 16.7+/-2.5 STW-150 Water Apr. 1978 H-3 2150+/-220 2220+/-1047 STW-151 Water Apr. 1978 Gross Alpha 20+/-1 20+/-15 Gross Beta 56+/-4 59+/-15 Sr-89 19+/-2 21+/-15 Sr-90 8+/-1 10+/-4.5 Co-60 19+/-3 20+/-15 Cs-134 16+/-1 15+/-15 Cs-137

<2 0

STM-152 Milk Apr.1978 Sr-89 85+/-4 101+/-15 Sr-90 8+/-1 9+/-4.5 1-131 78+/-1 82+/-15 Cs-137

.29+/-3 23+/-15 Ba-140

<11 0

K(mg/1) 1503+/-90 1500+/-225 STW-154g Water May 1978 Gross Alpha 12+/-1 13+/-15 Gross Beta 21+/-4 18+/-15 STW-157g Water Jun. 1978 Ra-226 4.0+/-1.0 3.7+/-0.6 Ra-228 NA 5.6+/-0.8 STW-159g Water Jul. 1978 Gross Alpha 19+/-3 22+/-6 Gross Beta 28+/-3 30+/-5 STW-162 Water Aug. 1978 H-3 1167+/-38 1230+/-990 STW-165g Water Sep. 1978 Gross Alpha 4+/-1 5+/-5 Gross Beta 13+/-1 10+/-5 A-6

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date

\\ HES Result EPA Result Code Type Coll.

Analysis

+/-2a c

+/-3 a, n=1d STW-167 Water STW-170 Water STW-172 Water STW-175 Water STW-176 Water STW-178 Water STW-195g Water STW-193 Water STW-196 Water Oct. 1978 Dec.

1978 Jan. 1979 Feb.

1979 Feb.

1979 Mar.

1979 Aug.

1979 Sep.

1979 Oct. 1979 Gross Alpha Gross Beta Sr-89 Sr-90 Ra-226 Ra-228 Cs-134 Cs-137 Ra-226 Ra-228 Sr-89 Sr-90' H-3 Cr-51 Co-60 Zn-65 Rn-106 Cs-134 Cs-137 Gross Alpha Gross Beta Gross Alpha Gross Beta Sr-89 Sr-90 Cr-51 Co-60 Cs-134 Cs-137 19+/-2 36+/-2 9+/-1 4+/-0 5.5+/-0.3 NAf 10+/-1 15+/-1 11.5+/-0.6 NA 11+/-2 5+2 19+/-15 34+/-15 10+/-15 5+/-2.4 5.0+/-2.4 5.4+/-2.4 10+/-15 13+/-15 9.2+/-1.4 8.9+/-4.5 14+/-15 6+/-4.5 1344+/-115 1280+/-993

<22 10+/-2 26+/-5

<16 8+/-2 15+/-2 6.3+/-3 15+/-4 6.3+/-1.2 42.7+/-7.0 5.0+/-1.2 25.0+/-2.7 135+/-5.0 7.0+/-1.0 7.3+/-0.6 12.7+/-1.2 0

9+/-15 21+/-15 0

6+/-15 12+/-15 10+/-15 16+/-15 5+/-5 40+/-4 3.0+/-1.5 28.0+/-4.5 113+/-18 6+/-5 7+/-15 11+/-15 STW-198 Water Oct. 1979 H-3 1710+/-140 1560+/-1111 A-7

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/1b Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2a c

+/-3q, n=ld STW-199 Water Oct. 1979 Gross Alpha 16.0+/-3.6 21+/-15 Gross Beta 36.3+/-1.2 49+/-15 Sr-89 10.7+/-0.6 12+/-15 Sr-90 5.7+/-0.6 7+/-15 Ra-226 11.1+/-0.3 11+/-5 Ra-228 1.6+/-0.7 0

Co-60 35.0+/-1.0 33+/-15 Cs-134 50.7+/-2.3 56+/-15 Cs-137

<3 0

STW-206 Water Jan. 1980 Gross Alpha 19.0+/-2.0 30.0+/-8.0 Gross Beta 48.0+/-2.0 45.0+/-5.0 STW-208 Water Jan. 1980 Sr-89 6.1+/-1.2 10.0+/-0.5 Sr-90 23.9+/-1.1 25.5+/-1.5 STW-209 Water Feb. 1980 Cr-51 112+/-14 101+/-5.0 Co-60 12.7+/-2.3 11+/-5.0 Zn-65 29.7+/-2.3 25+/-5.0 Ru-106 71.7+/-1.5 51+/-5 Cs-134 12.0+/-2.0 10+/-5.0 Cs-137 30.0+/-2.7 30+/-5.0 STW-210 Water Feb. 1980 H-3 1800+/-120 1750+/-340 STW-211 Water March 1980 Ra-226 15.7+/-0.2 16.0+/-2.4 Ra-228 3.5+/-0.3 2.6+/-0.4 STM-217 Milk May 1980 Sr-89 4.4+/-2.69 5+/-5 Sr-90 10.0+/-1.0 12+/-1.5 STW-221 Water June 1980 Ra-226 2.0+/-0.0 1.7+/-0.8 Ra-228 1.6+/-0.1 1.7+/-0.8 A-8

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2, C

+/-3a, n=1d STW-223 Water July 1980 Gross Alpha 31+/-3.0 38+/-5.0 Gross Beta 44+/-4 35+/-5.0 STW-224 Water July 1980 Cs-137 33.9+/-0.4 35+/-5.0 Ba-140

<12 0,

K-40 1350+/-60 1550+/-78 1-131

<5.0 0

STW-225 Water Aug. 1980 H-3 1280+/-50 1210+/-329 STW-226 Water Sept. 1980 Sr-89 22+/-1.2 24+/-8.6 Sr-90 12+/-0.6 15+/-2.6 STW-228 Water Sept. 1980 Gross Alpha NA 32.0+/-8.0 Gross Beta 22.5+/-0.0 21.0+/-5.0 STW-235 Water Dec. 1980 H-3 2420+/-30 2240+/-604 STW-237 Water Jan. 1981 Sr-89 13.0+/-1.0 16+/-8.7 Sr-90 24.0+/-0.6 34+/-2.9 STM-239 Milk Jan. 1981 Sr-89

<210 0

Sr-90 15.7+/-2.6 20+/-3.0 1-131 30.9+/-4.8 26+/-10.0 Cs-137 46.9+/-2.9 43+/-9.0 Ba-140

<21 0

K-40 1330+/-53 1550+/-134 STW-240 Water Jan. 1981 Gross alpha 7.3+/-2.0 9+/-5.0 Gross beta 41.0+/-3.1 44+/-5.0 STW-243 Water Mar. 1981 Ra-226 3.5+/-0.06 3.4+/-0.5 Ra-228 6.5+/-2.3 7.3+/-1.1

/ A-9

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-20 c

+/-3a, n=ld STW-245 STW-249 Water Water STW-251 Water STW-252 STW-255 Water Water STW-259 Water STW-265 Water STW-269 STW-270 STW-273 STW-275 STW-276 STW-277 STW-278 Water Water Water Water Water Water Water

-Apr.

May 1981 1981 May 1981 Jun.

Jul.

1981 1981 Sep.

1981 Oct.

Dec.

Jan.

Feb.

1981 1981 1982 1982 1982 1982 Mar. 1982 Mar.

1982 H-3 Sr-89 Sr-90 Gross alpha Gross beta H-3 Gross alpha Gross beta' Sr-89 Sr-90 Gross alpha Gross beta Sr-89 Sr-90 Ra-226 H-3 Sr-89 Sr-90 1-131 H-3 Cr-51 Co-60 Zn-65 Ru-106 Cs-134 Cs-137 Ra-226 Gross alpha Gross beta 3210+/-115 51+/-3.6

22. 7+/-0.6 24.0+/-5.29

16. 1+/-1.9 2140+/-95 20+/-1. 5 13.0+/-2.0 16.1+/-1.0 10.3+/-0.9 71.2+/-19.1 123.3+/-16.6 14.9+/-2.0 13.1+/-1.7 13.0+/-2.0 2516+/-181 24.3+/-2.0 9.4+/-0.5 8.6+/-0.6 1580+/-147

<61 26.0+/-3.7

<13

<46 26.8+/-0.7 29.7+/-1.4 11.9+/-1.9 15.6+/-1.9 19.2+/-0.4 A-10 2710+/-355 36+/-8.7 22+/-2.6 21+/-5.25 14+/-5.0 1950+/-596 22+/-9.5 15+/-8.7 23+/-5 11+/-1.5 80+/-20 111+/-5.6 21+/-5 14.4+/-1.5 12.7+/-1.9 2700+/-355 21.0+/-5.0 12.0+/-1.5 8.4+/-1.5 1820+/-342 0

20+/-5 15+/-5 20+/-5 22+/-5 23+/-5 11.6+/-1.7 19+/-5 19+/-5

HAZLETON ENVIRONMENTAL SCIENCES Table A-1.

(continued)

Concentration in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-2 0 c 3a, n=1d STW-280 STW-281 Water Water STW-284 Water STW-285 STW-286 STW-287 STW-290 STW-291 STW-292 Water Water Water Water Water Water STW-296 Water STW-297 STW-298 Water Water Apr.

Apr.

1982 1982 May 1982 June 1982 June 1982 June Aug.

Aug.

Sept 1982 1982 1982 1982 Oct. 1982 Oct.

Oct.

1982 1982 H-3 Gross alpha Gross beta Sr-89 Sr-90 Ra-226 Co-60 Gross alpha Gross beta H-3 Ra-226 Ra-228 1-131 H-3 1-131 Sr-89 Sr-90 Co-60 Zn-65 Cs-134 Cs-137 H-3 Gross alpha Gross beta Sr-89 Sr-'90 Cs-134 Cs-137 Ra-226 Ra-228 2690+/-80 75+/-7.9 114. 1+/-5.9 17.4+/-1.8 10.5+/-0.6 11.4+/-2.0

<4.6 31.5+/-6. 5 25.9+/-3.4 1970+/-1408 12.6+/-1.5

11. 1+/-2.5 6.5+/-0.3 3210+/-140 94.6+/-2.5 22.7+/-3.8 10.9+/-0.3 20.0+/-1.0 32.3+/-5. 1 15.3+/-1.5 21.0+/-1.7 2470+/-20 32+/-30 81.7+/-6. 1

<2

14. 1+/-0.9

<2 22.7+/-0.6 13.6+/-0.3 3.9+/-1.0 A-11 2860+/-360 85+/-21 106+/-5. 3 24+/-5 12+/-1.5 10.9+/-1.5 0

27. 5+/-7 29+/-5 1830+/-340 13.4+/-3.5

8. 7+/-2. 3 4.4+/-0.7 2890+/-619 87+/-15 24.5+/-8.7

14. 5+/-2.6 20+/-8. 7 24+/-8. 7 19.0+/-8.7 20.0+/-8.7 2560+/-612 55+/-24 81+/-8. 7 0

17.2+/-2.6 1.8+/-8.7 20+/-8. 7 12.5+/-3.2 3.6+/-0.9

HAZLETON ENVIRONMENTAL SCIENCES Table A-1. (continued)

Concentration.in pCi/lb Lab Sample Date HES Result EPA Result Code Type Coll.

Analysis

+/-20 c

+/-30, n=1d STW-301. Water Nov. 1982 Gross alpha 12.0+/-1.0 19.0+/-8.7 Gross beta 34.0+/-2.7 24.0+/-8.7 STW-302 Water Dec. 1982 I-131 40.0+/-0.0 37.0+/-10 aResults obtained by the Nuclear Sciences Department of Hazleton Environ mental Sciences as a participant in the environmental sample crosscheck program operated by the Intercomparison and Calibration Section, Quality Assurance Branch, Environmental Monitoring and Support Laboratory, U.S.

Environmental Protection Agency, (EPA), Las Vegas, Nevada.

bAll results are in pCi/l, except for elemental potassium (K) data which are in mg/l.

CUnless otherwise indicated, the HES results given as the mean +/-20 standard deviations for three determinations.

dUSEPA results are presented as the known values +/- control limits of 30 for n=1.

eMean +/- 20 standard'deviations of two determinations.

fNA = Not analyzed.

9Analyzed but not reported to the EPA.

A-12

Table A-2.

Crosscheck program results, thermoluminescent dosimeters (TLD's).

mR Hazleton Average +/-2 0 d Lab TLD Result Known (all Code Type Measurement

+/-2, a Value participants) 2nd International Intercomparisonb 115-2b CaF 2 :Mn Gamma-Field 17.0+/-1.9 17.1c 16.4+/-7.7 Bulb Gamma-Lab 20.8+/-4.1 21.3c 18.8+/-7.6 3rd International Intercomparisone 115-3e CaF 2 :Mn Gamma-Field

.30.7+/-3.2 34.9+/-4.8f 31.5+/-3.0 Bulb Gamma-Lab 89.6+/-6.4

91. 7+/-14.6f 86.2+/-24.0 4th International Intercomparisong 115-49 CaF2:Mn Gamma-Field 14.1+/-1.1 14.1+/-1.

4f 16.09.0 Bulb Gamma-Lab (Low) 9.3+/-1.3

12. 2+/-2.4f 12.0+/-7.6 Gamma-Lab (High) 40.4+/-1.4 45.8+/-9. 2f 43.9+/-13.2 5th International Intercomparisonh 115-5Ah CaF 2 :Mn Gamma-Field 31.4+/-1.8 30.0+/-6.01, 30.2+/-14.6 Bulb Gamma-Lab 77.4+/-5.8 75.2+/-7.6i 75.8+/-40.4 at beginning Gamma-Lab 96.6+/-5.8 88.4+/-8.81 90.7+/-31.2 at the end I-.

(A)

Table A-2.

(Continued) mR Hazleton Average +/- 20 d Lab TLD Result Known (all Code Type Measurement

+/-20 a Value participants) 115-5Bh LiF-100 Gamma-Field 30.3+/-4.8 30.0+/-61 30.2+/-14.6 Chips Gamma-Lab 81.1+/-7.4 75.2+/-7.61 75.8+/-40.4 at beginning Gamma-Lab 85.4+/-11.7 88.4+/-8.8i 90.7+/-131.2 at the end aLab result given is the mean +/-20 standard deviations of three determinations.

bSecond International Intercomparison of.Environmental Dosimeters conducted in April of 1976 by the Health and Safety Laboratory (GASL), New York, New York, and the School of Public Health of the University of Texas, Houston, Texas.

cValue determined by sponsor of the intercomparison using continuously operated pressurized ion chamber.

dMean +2u standard deviations of results obtained by all laboratories participating in the program.

eThird International Intercomparison of Environmental Dosimeters conducted in summer of 1977 by Oak Ridge National Laboratory and the School of Public Health of the University of Texas, Houston, Texas.

fValue +/-2G standard deviations as determined by sponsor of the intercomparison using continuously operated pressurized ion chamber.

gFourth International Intercomparison of Environmental Dosimeters conducted in summer of 1979 by the School of Public Health of the University of Texas, Houston, Texas.

hFifth International Intercomparison of Environmental Dosimeter conducted in fall of 1980 at Idaho Falls, Idaho and sponsored by the School of Public Health of the University of Texas, Houston, Texas and

.Environmental Measurements Laboratory, New York, New York, U.S. Department of Energy.

lValue determined by sponsor of the intercomparison using continuously operated pressurized ion chamber.

HAZLETON ENVIRONMENTAL SCIENCES Appendix B Data Reporting Conventions

AZLETON ENVIRONMENTAL SCIENCES Data Reporting Conventions 1.0.

All activities are corrected to collection time.

2.0. Single Measurements Each single measurement is reported as follows:

x+/-s where x = value of the measurement; s = 2 counting uncertainty (corresponding to the 95% confidence level).

In cases where the activity is found to be detection L it is reported as

<L.

where L = is the lower limit of detection for a background sample.

3.0. Duplicate Analyses 3.1.

Individual results:

Reported result:

below the lower limit of based on 4.66a uncertainty x1 i x2 +

x+/-s where x = (1/2) (xl + x2) s = (1/2) s

+

2 3.2. Individual results: <L1

<L2 Reported result:

<L where L =lowest-of L1 and L2 3.3.

Individual results:

Reported result:

x+/-s x +/- s if x < L;

<L otherwise B-2 s1 s2

HAZLETON ENVIRONMENTAL SCIENCES 4.0.

Computation of Averages and Standard Deviations 4.1 Averages and standard deviations listed in the tables are computed from all of the individual measurements over the period averaged; for example, an annual standard deviation wouldnot be the average of quarterly standard deviations. The average x and standard deviations of a set of n numbers x1, x2,.

.xn are defined as follows:

1 x

n s (x-x)2 n-1 4.2 Values below the highest lower limit of detection are not included in the average.

4.3 If all of the values in the averaging group are less than the highest LLD, the highest LLD is reported.

4.4 If all but one of the values are less than the highest LLD, the single value x and associated two sigma error is reported.

4.5. In rounding off, the following rules are followed:

4.5.1. If the figure following those to be retained is less than 5, the figure is dropped, and the retained figures are kept unchanged. As an example, 11.443 is rounded off to 11.44.

4.5.2 If the figure following those to be retained is greater than 5, the figure is dropped, and the last retained figure is raised by 1. As an example. 11.446 is rounded off to 11.45.

4.5.3. If the figure following those to be retained is 5, and if there are no figures other than zeros beyond the five, the figure 5 is dropped, and the last-place figure retained is increased by one if it is an odd number or it is kept unchanged if an even number.

As an example, 11.435 is rounded off to 11.44, while 11.425 is rounded off to 11.42.

B-3

HAZLETON ENVIRONMENTAL SCIENCES Appendix C Maximum Permissible Concentrations of Radioactivity in Air and Water C-1

HAZLETON ENVIRONMENTAL SCIENCES Table C-1.

Maximum permissible concentrations of radioactivity in air and water above natural background in unrestricted areas.a Air Gross alpha Gross beta lodine-131b 3

100 0.14 pCi/m'3 pCi/im3 pCi/m 3 Water Strontium-89 Strontium-90 Cesium-137 Barium-140 lodine-131 Potassium-40c Gross alpha.

Gross beta Tritium 3,000 300 20,000 20,000 300 3,000 30 100 3 x 106 pCi/l pCi/l pCi/l pCi /l pCi/l pCi/l pCi/l pCi/l pCi/l a Taken from Code of Federal Regulations Title 10, Part 20, Table II and appropriate footnotes. Concentrations may be averaged over a period not greater than one year.

b From 10 CFR 20 but adjusted by a factor of 700 to reduce the dose resulting from the air-grass-cow-milk-child pathway.

c A natural radionuclide.

C-2

ML113190486

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1.0 INTRODUCTION

SUMMARY

6.0 REFERENCES

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6.0 REFERENCES

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