ML19260A750

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Amend 2 to Environ Rept
ML19260A750
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 11/30/1979
From: Stampley N
MISSISSIPPI POWER & LIGHT CO.
To:
Shared Package
ML19260A749 List:
References
ENVR-791130, NUDOCS 7912030194
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Text

FINAL ENVIRONMENTAL REPORT GD X gnnocutr )

GRAND GULF NUCLEAR STATION UNITS 1 AND 2 MISSISSIPPI POWER & LIGHT COMPANY MIDDLE SOUTH ENERGY, INC.

MIDDLE SOUTH UTILITIES SYSTEM 1458 316 AMENDMENT 2 7912030 g il 94

MISSISSIPPI POWER & LIGHT COMPANY

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tehilhildd5 Helping duild Mississippi P. O. B OX 16 4 0, J A C K S O N, MIS SIS SIP PI 3 9 2 0 5 NoRRIS L STAMPLEY

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November 30, 1979 U. S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Washington, D. C. 20555 Attention: Mr. Harold R. Denton, Director

Dear Sir:

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416 and 50-417 File 0260/0277/L-860.0/M 000.0 Amendment 2 to the Final Environmental Report AECM-79/129 Attached are forty-one copies and three notarized originals of Amend-ment 2 to the Final Environmental Report for the Grand Gulf Nuclear Station, Units 1 and 2. This amendment consists of information related to our Preoperational Radiological Environmental Monitoring Program and other miscellaneous information.

Sincerely,

  • j PVH/pa Attachment cc: Mr. T. B. Conner Mr. R. B. McGehee Mr. Victor Stello, Jr., Director Division of Inspection & Enforcement U. S. Nuclear Re gulatory Commission Washington, D. C, 20555 1458 317 Member Middle South Utilities System

BEFORE THE UNITED STATES NUCLEAR REGULATORY COMMISSION DOCKET NOS. 50-416 AND 50-417 IN THE MATTER OF MISSISSIPPI POWER & LIGHT COMPANY and MIDDLE SOUTH ENERGY, INC.

AMENDMENT NO. 2 TO THE FINAL ENVIRONMENTAL REPORT Mississippi Power & Light Company for itself and on behalf of Middle South Energy, Inc. herewith files this Amendment No. 2 to their Final Environmental Report.

Respectfully submitted, Mississippi Power & Light Company l -

BY [/[ h V.'L.STAMPLEg VICE PRESIDEhT

/

1458 318

STATE OF MISSISSIPPI COUNTY OF HINDS N. L. Stampley, being duly sworn, states that he is a Vice President of Mississippi Power & Light Company, and that he is authorized on the part of said Company and of Middle South Energy, Inc. to sign and file with the Nuclear Regulatory Commission this Amendment No. 2 to the Final Environmental Report; that he signed the foregoing Amendment to the Final Environmental Report as Vice President of Mississippi Power & Light Company and as agent for Middle South Energy, Inc., and that the statements made and the matters set forth therein are true and correct to the best of his knowledge, information, and belief.

N N. L. STAMPLEY

[ /

SUBSCRIBED AND SWORN TO before me, a Notary Pu)lic, in and for the County and State above named, this W day of Ma d ,/r/74 (SEAL)

NY S NOTARY PUBLIC My commission expires:

f.'y Commission Expires July 23.19M, 1458 319

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GG ER MISSISSIPPI POWER & LIGHT COMPANY GRAND GULF NUCLEAR STATION UNITS 1 AND 2 DOCKET NOS. 50-416 and 417 AMENDMENT NO. 2 INSTRUCTIONS FOR FILING AMENDMENT NO. 2, 11/79 Remove and insert the ER pages, tables, and figures listed below.

Dashes (---) in the remove or insert column indicate no action required.

Remove. Insert VOLUME 4 Page 6-v/vi Page 6-v/vi Page 6-vii Page 6-vii Page 6.1-27/28 Page 6.1-27/28 Page 6,1-29/30 Page 6.1-29/30 Page 6.1-31/32 Page 6.1-31/32 Table 6.1.30 (Sheet 2 of 2) Table 6.1.30 (Sheet 2 of 2)

Page 6.4-1 Page 6.4-1 Table 6.4.1 (3 sheets)

Table 6.4.2 Table 6.4.3 Table 6.4.4 Table 6.4.5 Table 6.4.6 Table 6.4.7 Table 6.4.8

--- Table 6.4.9

--- Table 6.4.10 Table 6.4.11 Table 6.4.12

--- Table 6.4.13 Table 6.4.14 Table 6.4.15

--- Table 6.4.16 Table 6.4.17 (2 sheets)

--- Figure 6.4-1

--- Figure 6.4-2

--- Figure 6.4-3 At the end of Volume 4 insert the following in the order shown:

1. Amendment 2 tab
2. Transmittal letter
3. Instructions for filing 1458 321 i

GG ER LIST OF TABLES (Cont.)

Table No. Title 6.1.16 Cumulative Frequency of Relative Concentration (x/Q) of Effluent at the Low Population Zone Distance (2-8 Hours) 6.1.17 Cumulative Frequency of Relative Concentration (x/Q) of Effluent at the Low Population Zone Distance (8-24 Hours) 6.1.18 Cumulative Frequency of Relative Concentration (x/Q) of Effluent at the Low Population Zone Distance (1-4 Days) 6.1.19 Cumulative Frequency of Relative Concentration (x/Q) of Effluent at the Low Population Zone Distance (4-30 Days) 6.1.20 0-2 Hr Chi /Q Frequency Distribution for Minimum Site Boundary, 696 Meters) 6.1.21 0-2 Hr Chi /Q Frequency Distribution for Downwind Distance = 3218.6 Meters 6.1.22 2-8 Hr Chi /Q Frequency Distribution for Downwind Distance = 3218.6 Meters 6.1.23 8-24 Hr Chi /Q Frequency Distribution for Downwind Distance = 3218.6 Meters 6.1.24 1-4 Day Chi /Q Frequency Distribution for Downwind Distance = 3218.6 Meters 6.1.25 4-30 Day Chi /Q Frequency Distribution for Downwind Distance = 3218.6 Meters 6.1.26 Annual Average x/O and D/O 6.1.27 Annual Average Relative Concentration, X/Q

(:No Decay, Undepleted) ,

6.1.28 Annual Average Relative Concentration, X/Q (No Decay, Depleted) 6.1.29 Annual Average Relative Deposition, D/O 6.1.30 GGNS Preoperational Radiological Environmental Monitoring Program Summary 6-v 1458 322

GG ER LIST OF TABLES (Cont.)

Table No. Title 6.1.31 Required Minimum Detectable Activities for Gamma Isotopic Analyses 6.4.1 Airborne I-131 and Gross Beta Concentrations in Air Particulate Filters (Weekly Collections) 6.4.2 Radionuclides in Air Particulate Samples (Quarterly Analysis on Composite of Weekly Collections) 6.4.3 Radionuclides in Surface Water Samples (Monthly Collections) 6.4.4 Tritium Concentrations in Surface Water Samples 6.4.5 Radionuclides in Well Water Samples (Quarterly Collections) 6.4.6 Radioactivity in Cistern Water Samples (Monthly Collections) 6.4.7 Tritium Concentrations in Cistern Water Samples (Quarterly Collections) 6.4.8 Radioactivity in Milk Samples (Monthly Collections) 2 6.4.9 Gamma Emitters in Fruit and Vegetable Samples (Collected at Harvest) 6.4.10 Gamma Emitters in Fish Samples (Semiannual Collections) 6.4.11 Gamma Emitters in Meat Samples (Semiannual Collections) 6.4.12 Gamma Emitters in Sediment Samples (Semiannual Collections) 6.4.13 Gamma Emitters in Soil Samples (Cr ilection Once Prior P.o Plant Operation) 6.4.14 Gamms Radiation - Average mR/Qtr. Using Thermoluminescent Dosimeters - 1978 6.4.15 Air Sampler Collection Sites 6.4.16 Miscellaneous Collection Sites 6.4.17 TLD Locations 1458 323 O 6-vi Amend. 2 11/79

GG ER LIST OF FIGURES Figure No. Title 6.1-1 Data Collection Periods - Surface Water Hydrology 6.1-2 Data Collection Periods - Surface Water Quality 6.1-3 Data Collection Periods - Aquatic Ecology -

Fishes 6.1-4 Data Collection Periods - Aquatic Ecology -

Benthos and Plankton 6.1-5 Data Collection Periods - Terrestrial Ecology 6.1-6 Radiological Environmental Monitoring Locations 6.4-1 Collection Site Locations - General Area Map 6.4-2 Collection Site Locations - Claiborne County, 2 Mississippi 6.4-3 Collection Site Locations - Site Perimeter 1458 324 6-vii Amend. 2 11/79

GG ER

,. All water supplies Gamma isotopic analysis will be performed on all water samples regardless of gross beta activity to simplify analysis requirements and for analysis completeness.

6.1.5.2 Sample Collection Sampling locations, frequencies, and analyses for the different types of environmental samples are discussed below in general.

More specific information for each sampling parameter is given in Table 6.1.30.

6.1.5.2.1 Direct Radiation A gamma radiation survey will be made in the immediate vicinity of the site before plant operation. TLD badges will be used to document long-term integrated dose rates. These measurements will be made quarterly at the Grand Gulf Military Park, Port Gibson, on the site perimeter, at distances 5 to 10 miles, and 10 to 20 miles northeast of the site. Each dose measurement will be based on readings of at least two thermo-luminescent dosimeters.

The exact locations of TLD stations are based on meterological data and the gamma radiation survey. A comparison of perimeter and more distant TLD stations will provide a basis for distinguishing changes due to plant operation from changes due to other causes.

6.1.5.2.2 Airborne Particulate As a part of the atmospheric neasurements program, air sampling stations will be established in each quadrant at the site perimeter, at the residence having the highest X/Q value, at Grand Gulf Military Park, and in the town of Port Gibson (Figure 6.1-6). The site perimeter and the residence having the highest X/Q value represent the areas of highest potential concentrations. Grand Gulf Military Park and Port Gibson rcoresent potential population exposure areas. Exact locations of the samples were based on ensite meterological data. In addition, two background air sampling stations will be established as a control at a distance of 10 to 20 miles northeast of the site (Figure 6.1-6). Airborne particulate material will be collected continuously on high efficiency filters. Filters will be changed weekly to avoid excessive dust loading and a beta count taken after a 48-hour decay period to permit decay of naturally occurring Radon and Thoron daughter products. Once each quarter, a gamma isotopic analysis will be performed on a composite sample of the filters.

6.1-27

GG ER 6.1.5.2.3 Airborne Padioiodine For the first 6 months and the final 6 months of tha preoperational environmental radiological monitoring program, each air sampling station will be equipped with charcoal cartridges for the collection of iodine. These cartridges will be removed and analyzed weekly for Iodine-131. This frequency was selected to avoid decay of the Iodine-131 prior to analysis.

6.1.5.2.4 Surface and Drinking Water Mississippi River water will be sampled monthly upstream between the mouth of the Big Black River and the plant outfall and downstream between the plant outfall and the St. Joseph Ferry.

These samples will have a gamma isotopic analysis performed monthly. Tritium analysis will be performed quarterly on a composite from each sampling location. Drinking water from sources most likely to be affected by plant operations (cisterns near the plant) will be collected and analyzed monthly.

Iodine-131 and gamma isotopic analyses will be performed. In addition, a quarterly composite will be analyzed for Tritium.

One well near the site and wells at Grand Gulf Military Park and Port Gibson will be sampled and analyzed quarterly. Gamma isotopic and tritium analyses will be performed on these samples of untreated well water.

6.1.5.2.5 Milk Milking animals are not normally present in the site environs.

However, should one or more be introduced, samples will be taken from the animal in the higher D/Q sector. Samples will also be taken from milking animals in areas if the dose, due to e f fluents , is calculated to be greater than 1 mrem /hr (maximum of three samples; if more than three areas are involved, the worst three cases will be selected). A control sample will be collected from the dairy herd at the Alcorn State University.

Iodine-131 and gamma isotopic analyses will be performed on each sample.

6.1.5.2.6 Fish and Invertebrates 2 Important sport and commercial fish will be sampled semiannually in the plant discharge outfall area (Hamilton Lake may be sampled if it is not feasible to obtain a sample from the Mississippi River). Specimens collected wiJ.1 have a gamma isotopic analysis performed on the edible portions.

6.1.5.2.7 Beef (or Goat) Meat Samples of beef (or goat) will be obtained semiannually from farms within 10 miles of the site which may be affected by plant discharges. If such samples prove to be unavailable, feed stuff and forage will be substituted. A background sample will be 6.1-28 Amend. 2 11/79 1458 326

GG ER taken from farms, preferably 10 to 20 miles northeast of the site. Gamma isotopic analysis will be performed on edible 2 portions of samples.

6.1.5.2.8 Deer Meat Deer will be sampled annually in the general vicinity of the site in areas where hunting is permitted. Gamma isotopic analysis will be performed on edible portions of each sample upon collection.

6.1.5.2.9 Fruits and Vegetables Vegetables will be sampled at time of harvest except for green leafy vegetables, which will be sampled monthly when available.

Samples will be collected from the garden nearest the point of greatest D/Q value. Commercial and private fruit production is 2 rare in the site vicinity. Wild fruit is present, however. Wild fruit will be collected, as available, from the site environs, preferably from high D/Q sectors. Fruit and vegetable background samples will be obtained from an area preferably 10 to 20 miles northeast of the site. Gamma isotopic analysis will se performed on each sample upon collection.

6.1.5.2.10 Sediment Shoreline sediment will be sampled semiannually downstream of the plant outfall. The amount of silt in and the flow of the 1 Mississippi River render midstream sediment sampling impractical.

Gamma isotopic analysis will be performed on each sample.

6.1.5.2.11 Soil One set of soil samples wi'l be taken prior to plant operation.

Samples will be collected at each air sampling location. Gamma isotopic and Sr-90 analyses will be performed on each sample.

6.1.5.3 Data Analysis and Presentation A report will be prepared to present and evaluate preoperational environmental radiological monitoring results. Data obtained from the preoperational monitoring program will be used along with meterological data to reestimate the possible dose to man from plant operations. Suitability of sampling media, locations, and frequency will be reevaluated prior to plant operation.

Changes to the program may be made as indicated by this reevaluation and applicable guides.

6.1.5.3.1 Direct Radiation Gamma radiation survey results will be reported in pR/hr. Direct radiation TLD badge results will be reported as a quarterly integrated dose in mR along with the average and standard 1458 327 6.1-29 Amend. 2 11/79

GG ER deviation for all readings. Quarterly doses at indicator staticns will be compared with quarterly doses at background (control) stations.

6.1.5.3.2 Airborne Particulate All results will be reported in pCi/m 3. A statistical evaluation will be made of station-to-station and week-to-week variations in gross beta results. These variations will be evaluated in terms of seasonal fluctuations, influences of worldwide fallout, and other sources. Gamma 1sotopic analysis data will be used to identify any radionuclides that may be attributed to reactor operation.

6.1.5.3.3 Airborne Iodine All results will be reported in pCi/1. If iodine-131 is detected on the charcoal cartridges, the source of the iodine-131 will be evaluated.

6.1.5.3.4 Water All results will be reported in pCi/1.

6.1.5 3.5 Milk Results will be reported in pCi/1. Indicator stations, if available, will be compared to data from the dairy herd at Alcorn 2lf State University.

6.1.5.3.6 Fish and Invertebrates Results will be reported in pCi/kg wet weight.

b.1.5.3.7 Beef (or Goat), Deer Results will be reported in pCi/kg wet weight. Radionuclides

  • which could be identified with plant operation will be evaluated in terms of the dose to man.

6.1.5.3.8 Sediment and Soil Results will be reported in pCi/kg dry weight and will only be used as indicators of buildup of radioactivity in the environment.

6.1.6 Supplementary Programs 6.1.6.1 Baxter Wilson Impingement Study Systematic sampling of organisms impinged on the traveling screens of the condenser cooling water intake structures of both Units 1 and 2 at MP&L's Baxter Wilson Steam Electric Station was 6.1-30 Amend. 2 11/79 1458 328

GG ER conducted from March 1973 through February 1974. Samples from operating units were generally collected on a daily basis from March 12 through May 11. Subsequently, samples were collected 2 days per week.

Detailed descriptions of the intake structures and sampling and laboratory analyses methods are presented in the Environmental Field Measurements Programs, Interim Report 2, Section 3.6.

Results of the sampling program are presented in the Environmental Field Measurements Programs, Supplementary Report.

6.1.6.2 Environmental Photography One series of late summer overflights using thermal infrared imagery, color infrared and color aerial photography was made over the site and surrounding area. This remote-sensing survey served to document existing site conditions, assisted in the identification of vegetation assemblages, delineated areas of suspected existing stress or disease in these vegetation assemblages, and provided delineation of existing drainage patterns on and adjacent to the Grand Gulf site. The aerial survey was conducted by the Services Group of Texas Instruments, Inc. on October 2, 1972 before deciduous trees had lost their leaves.

6.1.6.2.1 Flight Schedule Each remote sensing mission, thermal infrared, color infrared and color photography, was conducted with specialized equipment during separate overfights which utilized various flight traverses and altitudes to ensure complete coverage of the study area.

a. Thermal Infrared. Predawn thermal infrared imagery was collected between the bours of 0630 and 0700 along five traverses flown in a NNE-SSW direction and one traverse in a NW-SE direction at an altitude of 6000 feet. The resulting imagery consisted of an original negative at an approximate scale of 1 inch =

3800 feet along the center track of the imagery, and enlarged prints at an approximate scale of 1 inch =

1900 feet.

b. Color Infrared. Color infrared photography was collected between the hours of 1300 and 1400 along six traverses flown in a NNE-SSW direction at an altitude of 4500 feet. The resulting imagery consisted of color infrared prints at an approximate scale of 1 inch = 1309 feet.
c. Color Photography. Color photography was collected between the hours of 1500 and 1530 along six traverses flown in a NNE-SJW direction at an altitude of ,

6.1-31 )4(8 32hmend. 2 11/79

GG ER 4500 feet. The resulting photography consisted of prints at an approximate scale of 1 inch = 1300 feet.

6.1.6.2.2 Equipment The aerial runote-sensing survey was conducted from a twin-engine Beechcraft Queen Air which was structurally modified and specially equipped for a variety of airborne remote sensing missions.

6 .1. 6 . 3 Noise Survey Refer to Section 2.7 for a description of both the ambient background and construction noise surveys.

6.1.6.4 Transmission Line Corridor Survey Refer to subsection 3.9.4 and Section 4.5 for a description of the transmission line corridor surveys.

6.1.7 References

1. Israel, G. W. and T. J. Overcamp, " Drift Deposition Model for Natural Draft Cooling Towers," in Proceedings of Cooling Tower Envircnment - 1974, March 4-6, 1974, pp.

614-628, Technical Information Center, Office of Public Affairs, USERDA, 1975.

2. Overcamp, T. J., "A General Gaussian Diffusion Deposition Model for Elevated Point Sources," Journal of Applied Meteorology, 15, 1976, 1167-1171.
3. Hewett, T. A., J. A. Fay, and D. P. Hoult, " Laboratory Experiments of Smokestack Plumes in a Stable Atmosphere,"

Atmospheric Environment, 5, 1971, 767-789.

4. Briggs, G. A., Some Recent Analyses of Plume Rise Observation, in Proceedings of the Second International Clean Air Congress, Washington, D. C., December 6-11, 1970, pp. 1029-1032, H. M. Englund and W. T. Beery (Eds.),

Academic Press, Inc., New York, 1971.

5. Briggs, G. A., Plume Rise, USAEC, 1969.

1458 330 0 6.1-32 Amend. 2 11/79

a GG ER Table 6.1.30 (Cont.)

Sampling Number and Approximate Location Analysis Type & MDA or Min.

Sample Type Frequency of Samples Frequency Sensitivity Milk Monthly 1 Alcorn State University Iodine 131, monthly 1 pCi/l 1 Milking animal in the vicinity Gamma Isotopic, Table 6.1.31 2 of GGNS (if available) monthly Fish and Semiannually 1 Discharge outfall area Gamma Isotopic, Table 6.1.31 2 Invertebrates (or Hamilton Lake) semiannually 1 Control sample from area not influenced by plant discharges Beef (or Goat) Semiannually, 1 Within 10 mi. of the site Gamma Isotopic, Table 6.1.31 l2 Meat as available (if not available, feedstuff semiannually I and forage may be substituted)

Deer Annually 1 In general vicinity of site in Gamma Isotopic, Table 6.1.31 areas where hunting is permitted annually Fruits & Annually, 1 Garden preferably from a Gamma Isotopic, Table 6.1.31 Vegetables at harvest high D/Q sector on collection 1 Wild fruit collected from site 2 environs (when available and preferably from high D/Q sectors) 1 Control sample from area not influenced by plant effluents l Green Leafy Monthly (as 1 Garden preferably from a high Gamma Isotopic, Table 6.1.31 Vegetables available) D/Q sector on collection 2 1 r,ntrol sample from area not influenced by plant effluents Sediment Semiannually 1 Shoreline sediment downstream Gamma Isotopic, Table 6.1.31 y of the plant outfall Semiannually Soil Once prior to 9 Air Sampling Locations Gamma Isotopic-on Table 6.1.31 plant operation collection

--* Sr90- on collection 50 pCi/kg(dry) 4 (ya Gamma Radiation Once prior to 30 Same as direct radiation Gamma Radiation Approximately cy) Survey plant operation Exposure Rate 10 pR/hr J4 U

Sheet 2 of 2 Amend. 2 11/79

GG ER 6.4 PREOPERATIONAL ENVIRONMENTAL RADIOLOGICAL MONITORING DATA The various phases of the radiological monitoring program have been discussed in sections 6.1.5 and 6.2. This section summarizes the first six months of data collected from July through December 1978.

2 Tables 6.4.1 through 6.4.14 summarize tha analytical data. The collection sites are described in Tables 6.4.15 through 6.4.17.

Figures 6.4-1, 6.4-2, and 6.4-3 show locations of these collection sites.

1458 332 6.4-1 Amend. 2 11/79

GG ER TABLE 6.4.1 AIRBORNE I-131 AND GROSS BETA CONCENTRATIONS IN AIR PARTICULATE FILTERS (Weekly Collections)

Collection Site: PG Location: Figure 6.4-2 h Collcction Site:

Location: Figure 61N @

6.4-1 Collection Site: 61VA@

Location: Figure 6.4-1 (10 2 pCi/m3) (10 2 pCi/m31 (10-2 pCi/ma)

Volume Volume Volume Collection Date (m3) Gross B I-131 (ma) Gross B I-131 (m3) Gross B I-131 07-03-78 323 5+1 <7 370 7+1 <7 376 5+1 <7 07-10-78 393 4T1 <7 374 4T1 <7 382 471 <7 07-17-78 458 4T1 <7 365 4T1 <7 376 Sil <7 07-21-78 456 4T1 <7 376 6T1 <7 385 4T1 <7 07-31-78 487 271 <7 376 2T1 <7 382 lil <7 08-07-78 464 4T1 <7 362 6T1 <7 362 471 <7 08-14-78 47E 371 <7 374 2T1 <7 388 271 <7 08-21-78 453 2T1 <7 376 2T1 <7 385 III <7 09-05-78 498 271 <7 427 lil <7 444 271 <7 09-11-78 385 ST1 <7 320 2T1 <7 325 4T1 <7 09-18-78 399 lil <7 374 lil <7 390 lil <7 09-25-78 365 271 <7 374 3T1 <7 382 2T1 <7 10-02-78 393 2T1 <7 382 2T1 <7 379 3T1 <7 10-09-78 402 3T1 <7 388 3T1 <7 376 2T1 <7 10-16-78 385 2T1 <7 388 2T1 <7 365 271 <7 10-23-78 368 3T1 <7 385 3T1 <7 354 3T1 <7 10-30-78 402 4T1 <7 385 4T1 <7 348 3T1 <7 45 11-06-78 645 171 <7 376 ST1 <7 331 571 <7 tn 11-13-78 CO 1129 lil <7 679 171 <7 673 lil <7 11-20-78 458 lil <7 475 271 <7 575 3T1 <7

, 11-27-78 430 2{1 <7 348 3{1 <7 328 2{1 <7 tx 12-04-78 566 1+1 <7 498 211 <7 518 211 <7 tw 12-11-78 631 lil <7 572 211 <7 501 211 <7 12-18-78 625 2+1 <7 521 2+1 <7 495 3+1 <7 12-27-78 790 5{1 <7 657 8{1 <7 623 9{1 <7 Sheet 1 of 3 Amend. 2 11/79

GG ER TABLE 6.4.1 (Continued)

AIRBORNE I-131 AND GROSS BETA CONCENTRATIONS IN AIR PARTICULATE FILTERS

, Weekly Collections)

Collection Site: GJOE @ Collection Figure Site: 6.4-3 HPO @ Collection Site: RS @

Location: Figure 6.4-3 Location: Location: Figure 6.4-3 (10 2 pCi/m3 ) (10 2 pCi/m3[

(10-2 pCi/m3)

Volume Volume Volume Collection Date (m3) Gross B I-131 (m3 ) Gross B I-131 (m3) Gross B I-131 07-03-78 391 6+1 <7 382 6+1 <7 362 6+1 <7 07-10-78 399 5+1 <7 385 4+1 <7 204 8+2 <7 07-17-78 422 Sil '7 385 471 <7 374 471 <7 07-24-78 405 ST1 <7 393 Sil <7 379 13T1 <7 07-31-78 424 2T1 <7 390 2T1 <7 368 2T1 <7 08-07-78 419 6T1 <7 382 6T1 <7 371 6T1 <7 08-14-78 427 3Tl <7 107 7T1 <7 665 271 <7 08-21-78 08-28-78 422 393 3ll <7

<7 402 402 211 6+1

<7

<7 91 422 611 <7

<7 611 511 09-05-78 464 3+1 <7 450 1+1 <7 371 3+1 <7 09-11-78 354 511 <7 348 411 <7 325 411 <7 09-18-78 419 2+1 <7 410 1+1 <7 379 1+1 <7 09-25-78 410 3T1 <7 422 371 <7 385 3Tl <7 10-02-78 399 671 <7 407 3T1 <7 388 3il <7 10-09-78 379 3Tl <7 419 271 <7 399 471 <7 10-16-78 365 311 <7 422 311 <7 402 211 <7 10-23-78 340 2+1 <7 413 3+1 <7 388 3+1 <7 m 10-30-78 376 311 <7 427 311 <7 410 411 <7 4 11-06-78 354 411 <7 407 511 <7 388 611 <7 tn 11-13-78 716 211 <7 809 lil <7 795 lil <7 co 11-20-78 348 4+1 <7 405 2+1 <7 393 3+1 <7 11-27-78 348 311 <7 376 211 <7 351 3+1 <7 LN 12-04-78 457 3+1 <7 444 2+1 <7 504 2+1 <7 LW

^

12-11-78 685 2T1 <7 464 2T1 <7 529 2T1 <7 12-18-78 226 611 <7 464 211 <7 512 3[1 <7 12-27-78 563 911 <7 577 711 <7 665 811 <7 Sheet 2 of 3 Amend. 2 11/79

GG ER TABLE 6.4.1 (Continued)

AIRBCRNE I-131 AND GROSS BETA CONCENTRATIONS IN AIR PARTICULATE FILTERS (Weekly Collections)

Collection Site: MET @ Collection Figure Site: WR @ Collection Site: GGMP@

Location: Figure 6.4-3 Location: 6.4-3 Locatior: Figure 6.4-3 (10-2 pCi/m3) (10-2 pCi/ma) (10-3 pCi/ma)

Volume Volume Volume Collection Date (ma) Gross B I-131 (m3) Gross B I--131 (m3) Gross B I-131 07-03-78 340 7+1 <7 425 5+1 <7 382 5+1 <7 07-10-78 345 571 <7 481 371 <7 430 3T1 <7 07-17-78 342 5T1 <7 464 3T1 <7 436 4T1 <7 07-24-78 351 6T1 <7 487 4T1 <7 391 4T1 <7 07-31-78 340 271 <7 495 171 <7 300 2T1 <7 08-07-78 345 7T1 <7 393 4T1 <7 266 7T1 <7 08-14-78 348 2T1 <7 665 2T1 <7 385 2T1 <7 08-21-78 340 271 <7 427 lil <7 379 2T1 -7 08-28-78 351 6T1 <7 393 3Il <7 382 6T1 <7 09-05-78 374 2T1 <7 385 171 <7 427 2T1 <7 09-11-78 294 3T1 <7 345 371 <7 323 4T1 <7 09-18-78 345 211 <7 337 Il <7 379 lil <7 09-25-78 351 2+1 <7 259 2+1 <7 382 2+1 <7 10-02-78 351 271 <7 458 171 (7 388 2T1 <7 10-09-78 357 311 <7 374 211 <7 413 211 <7 10-16-78 359 211 <7 348 211 <7 39; 211 <7 10-23-78 345 411 <7 354 211 <7 390 411 <7 10-30-78 354 4+1 <7 402 4+1 <7 399 3+1 <7 11-06-78 34o 611 <7 351 411 <7 390 411 <7

_. 11-13-78 707 lil <7 690 lil <7 790 lil <7 45 11-20-78 351 311 <7 473 211 <7 393 211 <7 LT1 11-27-78 325 4+1 <7 351 2+1 <7 351 2+1 <7 00 12-04-78 436 3T1 <7 526 2T1 <7 509 2T1 <7 12-11-78 481 271 <7 540 271 <7 523 2Tl <7 U 12-18-78 464 2T1 <7 518 2T1 <7 526 271 <7 12-27-78 608 811 <7 690 611 <7 665 911 <7 Sheet 3 of 3 Amend. 2 11/79

GG ER TABLE 6.4.2 RADIONUCLIDES IN AIR PARTICULATE SAMPLES (Quarterly Analysis on Composite of Weekly Collectionis)

Collection 3rd Quarter 1978 (pCi/m 3 J 4th Quarter 1978 (pCi/tr3)

Site Location Io . Ce-144 Other Gamma

  • Ce-144 Other Gamma
  • PG Figure 6.4-2 1 <.03 <.01 <0.02 <0.01 61N Figure 6.4-1 2 <.03 <.01 <0.02 <0.01 61VA Figure 6.4-1 3 .031.01 <.01 <0.02 <0.01 GJOE Figure 6.4-3 4 <.03 <.01 <0.02 <0.01 HPO Figure 6.4-3 5 <.03 <.01 <0.02 <0.01 RS Figure 6.4-3 6 <.03 <.01 <0.02 <0.01 MET Figure 6.4-3 7 <.03 <.01 <0.02 <0.01 WR Figure 6.4-3 8 <.03 <.01 <0.02 <0.01 GGMP Figure 6.4-3 9 <.03 <.01 <0.02 <0.01
  • The spectrum is computer scanned frem ~20 to s2000 kev. Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma J mitters such as K-40 and Ra daughters are frequently detected but not listed here. Data d isted as "<" are at the 30 level; others are 20. Unless therwise noted, listed concentra-d ion is for Cs-137 and may be slightly more or less sensitive for other nuclides.

co u

u Ch Amend. 2 11/79

GG ER ,

TABLE 6.4.3 RADIONUCLIDES IN SURFACE WATER SAMPLES (Monthly Collections)

Ganima Emitters" (pCi/l)

Collection Site: MRUP Collection Site: MRDOWN Collection Period Location: Figure 6.4- Location: Figure 6.4-3 1978 July <l5 <15 August <l5 <l5 September <l5 <l5 October <l5 <l5 November <l5 <l5 December <l5 <l5

  • The spectrum is computer scanned from s20 to s2000 kev.

Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 20. Unless otherwise noted, listed concentration is for Cs-137 and may be slightly more or less sensitive for other nuclides.

1ASB 437 Amend. 2 11/79

GG ER TABLE 6.4.4 TRITIUM CONCENTRATIONS IN SURFACE WATER SAMPLES Tritium (pCi/1)

Collection Site: MRUP Collection Site: MRDOWN Collection Period Location: Figure 6.4- Location: Figure 6.4-3 09/12/78 250 1 130 240 1 140 10/11/78 450 1 130 410 1 130 12/16/78 400 1 100 200 1 100 1458 338 Amend. 2 11/79

GG ER TABLE 6.4.5 RADIONUCLIDES IN WELL WATER SAMPLES (Quarterly Collections)

Collection Site: Collection Site: Collection Site: Collection Site:

ARKWELL TRIMWELL PGWELL MPWELL Location: Location: Location: Location:

Figure 6.4-2 5 Figure 6.4-2 2 Figure 6.4-2 4 Figure 6.4-2 [h) pCi/l pCi/l pCi/l pCi/1 Collection Period yEmitters* Tritium YEmitters* Tritium YEmitters* Tritium YEmitters* Tritium July, 1978 <l5 ---

<l5 ---

New wells beginning August, 1978 August, 1978 Well deleted <l5 1200+400 <l5 4501380 <15 ---

August, 1978 12/07/78 <l5 <330 <15 <330 <l5 470190 4

Ln CD

  • Tne spectrum is computer scanned from $20 to s2000 kev. Specifically included are Ce-144, gg Ba-La-140, Cs-134, Cs-137 Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma sc3 emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 20. Unless otherwise noted, listed concentra-tion is for Cs-137 and may be slightly more or less sensitive for other nuclides.

Amend. 2 11/75

GG ER T

TABLE 6.4.6 RADIOACTIVITY IN CISTSRN WATER SAMPLES (Monthly Collections)

Collection Site: ARKCIST Collection Site: TRIMCIST Collection Location: Figure 6.4-2 pCi/l 5 Location: Figure 6.4-2 pCi/1

[

Period Gross Beta I-131 Gamma Emitters

  • Gross Beta I-131 Gamma Emitters
  • 1978 July 212 <1 <15 212 <1 <l5 August <3 <1 <l5 1012 <1 <15 September 512 <1 <l5 512 <1 <15 October <2 <1 <15 <2 <1 <15 November 311 <1 <l5 212 <1 <15 December 411 <1 <15 612 <1 <15
  • The spectrum is computer scanned from $20 to s2000 kev. Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally
  • occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 20. Unless otherwise noted, listed concentration is for Cs-137 and may be slightly more or less u sensitive for other nuclides.

4 CD Amend. 2 11/79

GG ER TABLE 6.4.7 TRITIUM CONCENTRATIONS IN CISTERN WATER SAMPLES (Quarterly Collections)

Tritium (pCi/l)

Collection Site: ARKCIST Collection Site: TRIMCIST Collection Period Location: Figure 6.4-2 5 Location: Figure 6.4-2 2 1978 3rd Quarter <330 <330 4th Quarter <320 <330 ae 1458 341 Amend. 2 11/79

GG ER TABLE 6.4.8 RADIOACTIVITY IN MILK SAMPLES (Monthly Collections)

Collection Collection pCi/l Period Sitel I-131 Gamma Emitters 2 1978 July ALCONT <0.5 <l5 August ALCONT <0.5 <15 September ALCONT <0.5 <15 October ALCONT <0.5 <l5 November ALCONT <1 <l5 December ALCONT <1 <l5 December ALCONT <1 <15 1

All samples collected at Alcorn University. See Figure 6.4-2 5 2The spectrum is computer scanned from $20 to s2000 kev.

Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "< are at the 30 level; others are 20. Unless otherwise noted, listed con-centration is for Cs-137 and may be slightly more or less sensitive for other nuclides.

Amend. 2 11/79 1458 342

GG ER TABLE 6.4.9 GAMMA EMITTERS

  • IN FRUIT AND VEGETABLE SAMPLES (Collected at Harvest)

YEmitters Sample Type Location Collection Date pCi/g wet wt.

Pecans Figure 6.4-2 2 03/18/78 <0.08 Mustard Greens Figure 6.4-2 5 ~.3/22/78 <0.08 Turnip Greens Figure 6.4-2 5 11/22/78 <0.08

  • The spectrum is computer scanned from s20 to s2000 kev.

Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 2a. Unless otherwise noted, listed concentration is for Cs-137 and may be slightly Icore or less sensitive for other nuclides.

Amend. 2 11/79 1458 343

GG ER TABLE 6.4.10 GAMMA EMITTERS IN FISH SAMPLES (Semiannual Collections)

Collection Collection pCi/g (wet)

Site Location Date Species Gamma Emitters

  • Hamilton Lake Figure. 6,4-2 1 10/03/78 Buffalo <0.13 Hamilton Lake Figuro: 6.4-2 1 10/03/78 White Bass <0.13 Hamilton Lake Figure 6.4-2 1 10/03/78 Fresh Water Drum <0.13 Hamilton Lake Figure 6.4-2 1 10/03/78 Catfish <0.13 Hamilton Lake Figure 6.4-2 1 10/03/78 White Crappie <0.13
  • The spectrum is computer scanned from s20 to $2000 kev.

Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 20. Unless otherwise noted, listed con-centration is for Cs-137 and may be slightly more or less sensitive for other nuclides.

1458 344 Amend. 2 11/79

GG ER TABLE 6'.4.11 GAMMA EMITTERS IN MEAT SAMPLES (Semiannual Collections) pCi/g (wet)

Collection Collection Sample Gamma Fe-59 Site Location Date Type Emitters

  • Zn-65 MET Figure 6.4-3(Y) 12/12/78 Deer <0.13 <0.26 MET Figure 6.4-3 (7) 12/12/78 Rabbit <0.13 <0.26
  • The spectrum is computer scanned from $20 to s2000 kev.

Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 2a. Unless otherwise noted, listed concentration is for Cs-137 and may be slightly more or less sensitive for other nuclides.

1458 345 Amend. 2 11/79

GG ER TABLE 6.4.12 GAMMA EMITTERS

  • IN SEDIMENT SAMPLES (Semiannual Collections)

Collection Collection pCi/g dry Site Location Date Gamma Emitters

  • MRUP Figure 6.4-3(f) 10/26/78 <0.15 MRDOWN Figure 6.4-3(k) 10/26/78 <0.15 BRGSLP Figure 6.4-3 () 10/27/78 <0.15
  • The spectrum is computer scanned from $20 to $2000 kev.

Specifically included are Ce-144, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 20. Unless otherwise noted, listed concentration is for Cs-137 and may be slightly more or less sensitive for other nuclides.

1458 346 Amend. 2 11/79

GG ER TABLE 6.4.13 GAMMA EMITTERS 1 IN SOIL SAMPLES (Collection Once Prior to Plant Operation)

Collection Collection pCi/g dry Site 2 Location Date Cs-137 Other Gammal PG (T) Figure 6.4-2() 10/26/78 <0.15 <0.15 PG -(M) 10/26/78 <0.15 <0.15 PG (B) 10/26/78 <0.15 <0.15 HPO (T) Figure 6.4-3() 10/31/78 <0.15 <0.15 HPO (M) 10/31/78 <0.15 <0.15 HPO (B) 10/31/78 <0.15 <0.15 GJOE (T) Figure 6.4-3() 10/29/78 0.4310.09 <0.15 GJOE (M) 10/29/78 0.3010.10 <0.15 GJOE (B) 10/29/78 0.30+0.10 <0.15 Figure 6.4-1()

61n (T) 10/26/78 0.9910.15 <0.15 61n (M) 10/26/78 0.8310.12 <0.15 61n (B) 10/26/78 0.33+0.09 <0.15 61n (T) Figure b.4-1() 10/26/78 0.58[0.09 <0.15 61n (M) 10/26/78 0.2210.06 <0.15 61n (B) 10/26/78 0.3110.06 <0.15 GGMP (T) Figure 6.4-3 9 10/27/78 0.2610.06 <0.15 GGMP (M) 10/27/78 0.1110.04 <0.15 GGMP (B) 10/27/78 <0.15 <0.15 MET (T) Figure 6.4-3() 10/30/78 0.6610.10 <0.15 MET (M) 10/30/78 0.3310.08 <0.15 MET (B) 10/30/78 0.36+0.07 <0.15 WR (T) Figure 6.4-3(f) 10/30/78 0.7610.14 <0.15 WR (M) 10/30/78 0.8010.12 <0.15 WR (B) 10/30/78 0.43+0.10 <0.15 RS (T) Figure 6.4-3() 10/30/78 70.15 <0.15 RS (M) 10/30/78 <0.15 <0.15 RS (B) 10/30/78 <0.15 <0.15 1

The spectrum is computer scanned from s20 to s2000 kev.

Specifically included are Ce-1,44, Ba-La-140, Cs-134, Cs-137, Zr-Nb-95, Co-58, Co-60, Mn-54, Zn-65. Naturally occurring gamma emitters such as K-40 and Ra daughters are frequently detected but not listed here. Data listed as "<" are at the 30 level; others are 20. Unless otherwise noted, listed concentration is for Cs-137 and may be slightly more or less sensitive for other nuclides.

2(T) = Top soil; detritus, shallow roots.

(M) = Middle soil;' undisturbed for past 5 years.

(B) = Bottom soil; never disturbed.

1458 347 Amend. 2 11/79

GG ER TABLE 6.4.14 GAMMA RADIATION AVERAGE mR/QTR. USING THERMOLUMINESCENT DOSIMETERS 1978 3rd quarter 4th qua :ter Date Annealed: 06/20/78 09/21/78 Date Read: 10/11/78 01/11/79 Collection Site Location / h mR/ Quarter M-00 Control Figure 6.4-2 0 4.710.7 4.410.8 M-01 Figure 6.4-2 1 14.312.6 16.912.6 M-02 Figure 6.4-2 2 missing 16.912.6 M-03 Figure 6.4-2 3 11.111.4 12.111.8 M-04 Figure 6.4-2 4 14.311.3 14.311.3 M-05 Figure 6.4-2 5 15.712.6 16.913.9 M-06 Figure 6.4-2 6 13.0+2.6 16.9+2.6 M-07 Figure 6.4-2 7 11.6l2.6 13.011.3 M-08 Figure 6.4-2 8 14.3+1.3 15.6+1.3 M-09 Figure 6.4-2 9 14.311.3 14.312.6 M-10 Figure 6.4-3 10 13.0+2.6 15.6+1.3 M-11 Figure 6.4-1 11 14.371.3 14.372.6 M-12 Figure 6.4-1 12 13.071.3 14.3T1.3 M-13 Figure 6.4-1 13 12.9I1.7 14.372.6 M-14 Figure 6.4-1 14 14.371.3 14.3T2.6 M-15 Figure 6.4-3 15 9.5T1.7 11.471.6 M-16 Figure 6.4-3 16 12.571.3 14.3I2.6 M-17 Figure 6.4-3 17 12.2T2.0 14.372.6 M-18 Figure 6.4-3 18 missing 12.911.3 M-19 Figure 6.4-3 19 13.0+1.3 missing M-20 Figure 6.4-3 20 13.072.6 14.3+2.5 M-21 Figure 6.4-3 21 11.812.6 14.312.1 M-22 Figurc 6.4-3 22 14.3+2.5 14.3+1.3 M-23 Figure 6.4-3 23 12.011.4 14.311.3 M-24 Figu::e 6.4-3 24 14.311.3 -

15.615.2 M-25 Figure 6. -3 25 14.3+1.3 14.3+3.9 M-26 Figure 6.4-3 26 15.6+2.6 15.612.5 M-27 Figure 6.4-3 27 12.912.1 14.312.6 M-28 Figure 6.4-3 28 14.3+1.3 14.3+2.6 M-29 Figure 6.4-3 29 14.311.3 15.612.6 M-30 Figure 6.4-3 30 missing 14.313.9 1458 348 Amend. 2 11/79

GG ER TABLE 6.4.15 AIR SAMPLER COLLECTION SITES Collection Sites _

Description PG Port Gibson City Barn - located inside fence, west side 61N Hwy 61 North at Yokena Church 61VA Hwy 61 North at Vicksburg Airport GJOE On southwest boundary of Gladjo lot and residence HPO Located behind the temporary MP&L Staff Offices RS Northeast of site, at roadside across from residences located 100 meters west of Creek Bridge, site perimeter MET Located east side of Met Shack within fenced boundary WR Located on Waterloo Road at residence nearest site perimeter GGMP Located in Grand Gulf Military Park on road leading to cemetery, north side of road Amend. 2 11/79 1458 349

GG ER TABLE 6.4.16 MISCELLANEOUS COLLECTION SITES Collection Site Description ARKCIST Cistern water sample from the ARK, property of Col. S. B. McGruder ARKWELL Well water sample from the ARK, property of Col. S. B. McGruder PGWELL Ground water sample from Port Gibson well system (composite of all wells operational on the day of sampling)

ALCONT Milk sample (control) from Alcorn University Dairy Herd MRUP Surface water sample from the Mississippi River (control) upstream MRDOWN Surface water sample from the Mississippi River downstream BRGSLP Grand Gulf Nuclear Station bargeslip; discharge structure empties into the bargeslip FISH Fish sample from Lake Hamilton MPWELL Ground water sample from Grand Gulf Military Park well TRIMCIST Cistern water sample from tenant house at GGNS property line TRIMWELL Ground water sample from Ms. M. L. Trimble property near site boundary Amend. 2 11/79 1458 550

GG ER TABLE 6.4.17 TLD LOCATIONS Collection - Description Site SITE AND WARREN COUNTY Mll Hwy 61 - 5 km north of Big Black River Bridge M12 Hwy 61 - at 61N location - YOKENA M13 Hwy 61 - 13 km north of Big Black River Bridge, west side of Hwy M14 Hwy 61 - at 61VA location - Vicksburg Airport SITE PERIMETER AND WITHIN 3 KILOMETERS M10 South of main gate GRAND GULF MILITARY PARK 25 meters M15 Northern most point of site perimeter - river's edge M16 At MET location - Met Shack, site M17 At RS location - GRAND GULF ROAD M18 Eastern site boundary M19 Eastern site bo .1dary M20 Eastern site boundary M21 At HPO location - behind Health Physics Offices M22 South of HP offices 200 meters M23 Cross roads - heavy haul road and Bucksnort N/C road M24 Radial well pump switching station, river's edge M25 Hamilton Lake boat launching area M26 Bucksnort H/C boundary in woods 100 meters from road M27 Southern most point of site perimeter - river's edge M28 At GJOE location - near Gladjo residence M29 Road to Waterloo Plantation, 2 km from Waterloo Road turnoff M30 Arnold Acres Trailer Park Sheet 1 of 2 Amend. 2 11 1458 4579 1

GG ER TABLE 6.4.17 (Continued)

CLAIBORNE COUNTY Collection Site Deacription M01 REA pole east of the entry gate to Lake Claiborne approximately 100 meters M02 At the entrance to Windsor castle or the REA power pole M03 South of Port Gibson, near the entr7nce to the Mosswood Country Club, east side of highway sn REA power pole M04 Hwy 547, east of the Natchez Trace Overpass approxi-mately 100 meters, betwcen the twin power lines MOS Hwy 18, north of the highway approximately 25 meters located on the REA power line M06 East of the Willows, beyond the MMB church, on the REA power pole, Hwy 462 M07 Port Gibson City Barn M08 At the south entrance to the Big Black River Bridge M09 Oak Tree south of a.e entrance to Warner-Tully YMCA camp 1458 352 Sheet 2 of 2 Amend. 2 11/79

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' AIR SAMPLE R LOCATION km S o n 35 , b TLD LOCA1 ION COLLECTION SITE SCALE MISSISSIPPI POWER & LIGHT COMPANY COLLECTION SITE LOCATIONS GRAND GULF NUCLEAR STATION GENERAL AREA MAP UNITS 1 & 2 ENVIRONMENTAL REPORT i458 353 r1 core 6.4-1 Amend. 2 11/79

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LEGEND:

AIR SAMPLER LOCATION -km b TLD LOCATION COLLECTION SITE O SURF ACE SAMPLE WATER / SEDIMENT LOCATION b

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VIRONMEN1 AL REPORT FIGURE 6.4-3 Amend. 2 11/79 1458 555

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