ML20080U358

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Rev 17 to Environ Rept - OL Stage
ML20080U358
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 02/29/1984
From:
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20080U325 List:
References
ENVR-840229, NUDOCS 8403020270
Download: ML20080U358 (20)
v • d • e


Text

_ LIMERICK GENERATING STATION UNITS 1 & 2

\ ENVIRONMENTAL REPORT - OPERATING LICENSE STAGE REVISION 17 PAGE CHANGES The attached pages and tables are consioered part of a controlled copy of the Limerick Generating Station EROL. This material should be incorporated into the EROL by following the instructions below.

After the revised pages have been inserted, place the page that follows these instructions in the front of Volume 1.

t REMOVE INSERT VOLUME 1 Table 2.1-9 Table 2.1-9 Table 2.1-24 Table 2.1-24 Table 2.1-25E Table 2.1-25E VOLUME 3 O Pages 5.2-3 & -4 Pages 5.2-3 & -4

(,/

Pages 5.2-15 & -16 Pages 5.2-15 & -16 Table 5.2-1 (pg 2) Table 5.2-1 (pg 2)

Table 5.2-13 Table 5.2-13 Table 5.2-18 Table 5.2-18 Pages 6.1-59 & -60 Pages 6.1-59 & -60 Table 6.1-45 (pg 3) Table 6.1-45 (pg 3)

Table 6.1-46 (pg 4) Table 6.1-46 (pg 4)

Figure 6.1-29 Figure 6.1-29 Page 6}4-1 Page 6.4-1 VOLUME 4 Table 11.3-1-(pg 3) Table 1,1.3-1 (pg 3) v S403020270 8402295 PDR ADOCK 05

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THIS EROL SET HAS BEEN UPDATED TO INCLUDE REVISIONS THROUGH 17 DATED O2./84 ,

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NNE NE ENE C

ESE SE SSE S

SSW SW WSW W

WNW NW nW Total l

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L LGS .3ROL TABLE 2.1-9 POP'JLATION DISTFIBUTION 10-50 MII ES 1990 DISTANCE (MILES) 0-10 10-20 20-30 30-40 40-50 50-M11e Total 5,942 7,884 53,061 55,728 24,830 147,445 4,488 24,323 185,370 175,555 38,751 428,487 4,630 18,810 19,791 25,253 49,483 117,967 6,016 54,025 52,445 19,874 36,108 168,468 6,368 60,790 88,479 178,907 331,487 666,031 10,575 124,311 654,399 609,017 105,734 1,504,036 16,245 84,571 1,042,915 509,968 182,225 1,835,924 25,718 24,010 260,063 31,240 22,748 363,779 5,045 71,662 31,832 32o,479 23,712 467,730 3,560 41,678 25,473 47,226 48,771 166,708 2,848 7,171 34,583 11,5T/ 18,878 75,057 4,711 9,29e 24,662 72,930 ,33,537 245,138 6,715 4,729 17,437 49,786 /4,846 153,513 27,764 120,554 72,875 25,831 29,043 2/b,067 14,160 l 9,026 17,164 17,026 63,480 120,856 11,569 12,706 l 16,031 7,502 34,491 S2,29u l 156,354 675,548 2,602,580 2,166,899 1,218,124 6,819,505 l T

APEUUE CARJ Rev. 17, 02/84 Also Available On Apertome Card 8403020270 -O?

. . . _ . . __ _ _ _ = _ _ _ _ - - - _ _ _ _ _ _ _ _ --_ _ _ m .

LGS EROL

[( ) TABLE 2.1-24 l-

- LOCATION OF nfAREST(1) MILK COW, MILK GOAT, RESIDENCE, SITE BOUNDARY, AND VEGETABLE GARDEN (3)

(DISTANCE IN METERS)

Milk Milk Site Vegetable (2)

Sector Cow Goat Residence Boundary Garden N 8534 -

914 884 914 NNE -

6980 792 792 792 NE 4267 -

1052 792 1052 ENE 6706 -

823 792 823 E 6980 -

1021 762 1021 ESE 4511 1770(*) 945 762 945' l SE 3597 -

1554 762 1554 SSE 7376 -

1770 1006 1770 S 3627 5654 1341 762 1341 SSW 3048 -

1524 762 1524 SW 2835 -

1006 884 1006

. WSW 2134 -

1173 853 1173 W 4755 -

975 853 975

, WNW - -

1128 792 1128 NW - -

1128 762 1128 NNW - -

1204 884 1204

[}

4 (A) Nearest within 5 miles. -

Cz) It is assumed that the nearest vegetable garden is located at the neerest residence in each sector.

(3) Radiation Management Corporation, " Agricultural Land Use Survey in the Vicinity of Limerick Generating Station," ,

, Rd:-TR-12, June 1979. Survey based on data collected in

1975-1976.

(*) This goat farm has been established since the RMC

, " Agricultural Land Use Survey in the Vicinity of Limerick Generating Station;" RMC-TR-12, June 1979.

's).

i j 4

Rev. 17,-02/84

. . - . - - _ - . - . = _ - . . .- -- ..

, LGS EROL TABLE 2.1-25E LOCATION OF GOAT PASTURES WITHIN 5 MILES OF LIMERICK GENERATING STATION UNITS 1 AND 2(2)

Distance From Vents

' Sector (Feet) (Meters)

NNE 22,900 6,980 ESE(2) 5,800 1,770 l ESE 15,600 4,755 S 18,550 5,654 (1) Radiation Management Corporation, " Agricultural Land Use Survey in the Vicinity of Limerick Generating Station,"

RMC-TR-12, June 1979. Survey based on data collected in 1975-1976.

(2) This goat farm has been established since the RMC

" Agricultural Land Use Survey in the Vicinity of Limerick Generating Station," RMC-TR-12, June 1979.

O O

Rev. 17, 02/84

LGS EROL p) t 5.2.2 RADIOACTIVITY IN THE ENVIRONMENT The environmental concentrations of radionuclides released by LGS to both the atmospheric and aquatic environments have been calculated for all significant media that are directly or indirectly involved in exposures to man, and biota other than man. These calculations have been made at the offsite location where concentrations of the important radionuclides, resulting in doses to man, are expected to be the highest for both atmospheric and aquatic releases. The results are listed in Tables 5.2-1 and 5.2-2. For atmospheric releases, the location was the nearest site boundary in the ESE sector, about 2500 feet from the LGS enclosure vents, and a farm 5,800 feet ESE of the LGS enclosure l vents. For aquatic releases, the location was the point of minimal initial dilution of the liquid discharge outfall area.

The concentrations considered are the maximum average annual concentrations to be expected, and were calculated using the equations and assumptions presented in U.S. Nuclear Regulatory Commission Regulatory Guide 1.109 (Ref 5.2-1). These equations, described in Appendixes 5.2A and 5.2B, assume accumulation of radioactivity by various environmental media. The concentrations presented in Table 5.2-1 and 5.2-2 include bioaccumulation in living organisms, and physical accumulation in soils and sediment. The meteorological model utilized is described above.

A

(_) Receiving water is used by humans as drinking water in a 50-mile radius of LGS, and is distributed from five locations. Expected concentrations of the important radionuclides resulting in doses to man at these points are presented in Table 5.2-3. Table 5.2A.1 (Appendix 5.2A) lists the names of the locations calculated, along with dilution factors, transit times, and river uses. Figure 5.2A-1 (Appendix 5.2A) shows the locations along the Schuylkill River at which these concentrations were calculated.

5.2.2.1 Long-Term Diffusion Estimates 5.2.2.1.1 Radioactivity Released to the Atmosphere l

Radionuclides will be routinely emitted to the atmosphere from three locations at-the LGS. For the purpose of this evaluation, these three sources, the turbine enclosure vent, and the reactor enclosure vents for Units 1 and 2, have been considered as a single source originating from one point located midway between the three vent locations.

Estimates of annual average X/O and D/0 have been made for receptor locations out to 50 miles in each directional sector.

These values are presented in the following tables:

() Table 5.2-4 Annual X/O - uncorrected 5.2-3 Re". 17, 02/84

LGS EROL Table 5.2-5 Annual X/O - corrected for depletion by deposition f Table 5.2-6 Annual D/0 The X/0 calculations have not been corrected for decay during transport, since this is accounted for in the dose assessment model.

5.2.2.1.2 Meteorological Input

' Wind data from the 175-foot level at Weather Station No. 1 were used for all plume rise and diffusion calculations. This instrument is at an elevation of 425 feet (MSL), 9 feet above the Limerick vent elevations; therefore, adjustment of the wind data to source elevation is unnecessary.

Distributions of wind speed and direction have been computed for 22.50 sectors, using the wind speed groups suggested in Regulatory Guide 1.23 (Ref 5.2-2). The five-year, 175-foot wind distribution used as input for the diffusion calculations is shown in Table 2.3.2-2 of Reference 2.3.2-9.

All calm hours have been distributed equally among the 16 directional sectors. With the exception of the 0-3 and 24+ mph groups, the median speed from each wind speed grouping was used.

A speed of 1.61 mph (0.72 m/sec) was used as the median for the 0-3 mph group, resulting from the stipulation in Regulatory Guide 1.111 (Ref 5.2-3) that calm hours be assigned a speed of 0.1 m/sec, if the sensor does not comply with the minimum starting speed criteria of Regulatory Guide 1.23 (Ref 5.2-2). A speed of 27 mph was used to represent the 24+ mph group.

5.2.2.1.3 Plume Rise The volumetric flow rate from the LGS reactor enclosure vents will not vary seasonally. However, the volumetric flow rate from the turbine enclosure vent will vary, from a summer maximum of 307 m3/sec, to a winter minimum of 147 m3/sec, with an annual average of 216 m3/sec. To calculate plume rise, one set of composite vent parameters was derived by appropriately weighting the diameter and exit velocity of each vent according to its volumetric flow rate. The individual vent parameters used to

. derive the composite vent parameters used in the plume rise calculations are listed in Table 5.2-7.

The Briggs (Ref 5.2-4) momentum plume rise equations, in the form expressed by Sagendorf and Goll (Ref 5.2-5), were used.

5.2.2.1.4 Diffusion Model The sector average version of the Gaussian plume equation, as expressed in Regulatory Guide 1.111 (Ref 5.2-3), was used for all X/O calculations. The basic equation is as rollows: h 5.2-4

. _-- - .- - _ -. - -. =_ -- ,. - -. .._

LGS EROL i

) 5.2.4.2 Gaseous Pathways Individual doses through the atmospheric environment from gaseous effluents of LGS were calculated according to the guidelines in USNRC Regulatory. Guide 1.109J(Ref 5.2-1). A computer program,

- GASPAR, which. incorporates the computational models described in i Regulatory. Guide 1.109, was obtained from the NRC staff-and used

-to perform the dose calculations according to the models

-described in Appendix 5.2B.

F l -Table _5.2-13-lists the annual doses to all organs through each pathway, by. age group, at the location where the maximum total dose

, .to any organ exists. The largest. dose contribution to any organ

^

resulted from goat-milk-thyroid pathway, at a farm with its goat pasture. located about 5,800 feet ESE of the LGS building vents.

The organ receiving the largest dose was the infant thyroid, which t was calculated to receive a total of 10.55 mrem / year from all real pathways listed-in Table 5.2-13. 'Approximately 98% of this total dose resulted from the goat-milk pathway, 0.6% from inhalation of ll 1

air particulates and radioiodines, ' ,4% from external exposure,to

- noble gases, and less than 0.03% from exposure to activity deposited on the ground.

TheLlocation where a real person would receive the largest calculated totalibody dose resulting from exposure to noble gases i

O ' the released from LGSvents.

LGS enclosure: is a residence located about- 3100 feet ESE of This dose was calculated to be O.46 mrem / year-to the total body. The location where a person would receive the largest calculated dose to the skin resulting

-from exposure to noble gases released from LGS is the same residence location. This dose was calculated to be-0.90

-mrem / year to'the--skin. -

~

The maximum calculated annual dose to the total body resulting from' exposure.to noble-gases at a hypothetical residence location wasLO.57 mrem / year, and the maximum annual dose to the skin was 1.1 mrem / year. These calculated doses resulted at the nearest

site boundary in the ESE sector, about 2500 feet-from the LGS .

enclosure vents, which is near the worst case real residence

, discussed above.

. The maximum calculated gamma dose in air at any location offsite j was 0.86. mrad / year.1 This-occurred at the site boundary about 2500 feet ESE of the LGS enclosure vents. The maximum calculated .

beta dose in air at any location offsite occurred at the same

. location, and was 0.59 mrad / year.

1 Calculation of annual doses at hypothetical dairy farm locations, using conservative worst-case assumptions for pasture grazing, showed that there are no sectors in which there are locations.

that.could result in doses greater _than 15 mrem / year / reactor

()

through'all pathways, if dairy cows were actually located there.

5.2-15 Rev. 17, 02/84 1

LGS EROL The maximum calculated dose to any organ at the worst-case h hypothetical dairy farm was 11.2 mrem / year / reactor to the infant's thyroid resulting from all pathways. This occurred at the nearest site boundary in the ESE sector, about 2500 feet from the LGS structure vents. The total dose of 11.2 mrem / year / reactor at this location is well below the design objective of 15 mrem / year / reactor.

5.2.4.3 Direct Radiation from Facility Direct radiation doses from the Limerick facility were calculated by the SKYSHINE computer code (Ref 5.2-30) for the 16 site boundary locations, assuming N-16 shine is the only significant source of exposure.

Skyshine dose rates at the nearest residences in each of the 16 cardinal sectors are calculated by applying the following equation to the dose rate at the site boundary for that sector:

r2 ,-ud B ( u.d )-1 (5.2-14)

Dx =D ,

B d ' e # f B(u,r)-1 where:

Dx = Dose rate at residence x, mrem /yr.

DB = 1 se rate at site boundary for same sector, mrem /yr.

r = Distance from plant to site boundary, cm.

d = Distance from plant to residence, cm.

l , = Linear attenuation coefficient in air for 6.2 MeV gammas, 3.225 x 10-5 cm-2 2

M B (u,t ) = A e 3 yt + (1 - A)e (5.2-15)

(Taylor double exponential empirical expression for a point kernel attenuation buildup factor at distance t through a medium having a linear attenuation coefficient u.)

For 6.2 MeV gammas in air:

A = 8.01 ai = -1.9013 x 10-2 Dimensionless (5.2-16) a2 = 4.4573 x 10-2 O

Rev. 10, 02/83 5.2-16

LGS EROL (Page 2 of 2)

(> TABLE 5.2-1 (Cont'd)

MAXIMUM CALCULATED RADIONUCLIDE CONCENTRATIONS IN THE ENVIRONMENT FROM ATMOSPHERIC RELEASES LOCATION: FARM 5,800 FEET ESE OF LGS ENCLOSURE VENTS l AVERAGE ANNUAL CONCENTRATIONS GOAT MILK (pci/1)

I 131 2.17 I 133 2.76 x 10-1 Cr 51 4.22 x 10-*

Mn 54 1.30 x 10-4 Fe 59 2.07 x 10-4 Co 58 7.11 x 10-5 Co 60 1.64 x 10-3 2n 65 3.12 x 10-3 Sr 89 9.55 x 10-*

Sr 90 7.02 x 10-5 Zr 95 5.30 x 10-s

'% Sb 124 1.22 x 10-5

. Cs 134 5.71 x 10-2 Cs 136 2.22 x 10-3 Cs 137 9.96 x 10-2 Ba 140 2.91 x 10-5

-Ce 141 1.82 x 10-5 H 3 5.16 x 10+1 C 14 5.89 x 10+1 l

, i O

l Rev. 17, 02/84

\

/

CALCULATED A'INUAL DOSES FC 90SR TO ANY ORGAU RESULT 1[.G F P_ATHWAY T.BODi GI-TRACT BOf!E PLUME 1.83 x 10-1 1.93 x 10-1 1.83 x 1 GRCUND 3.72 x 10-3 3.72 x 10-3 3.72 x 1 VEGETABLE ADULT 2.52 x 10-2 2.53 x 10-2 1.12 x 1 TEEN 4.09 x 10-2 4.10 x 10-2 1.89 x1 CHILD 9.65 x 10-2 9. 6 0 x 10-2 4.60 x 1 INFANT 0.0 0.0 0.0 MEAT ADULT 8.78 x 10-3 9. 36 x 10- 3 4.10 x 1 TEEN 7.27 x 10-3 7.56 x 10-3 3.46 x 1 CHILD 1.34 x 10-2 1.34 x 10-2 6.50 x 1 INEANT 0.0 0.0 0.0 GOAT'S MILK ADULT 1.82 x 10-2 1.29 x 10-2 5.61 x 1 TEEN 2.84 x 10-2 2.22 x 10-2 1.03 x 1' CHILD 5.85 x 10-2 4.96 x 10-2 2.53 x li INFANT 1.15 x 10-1 1.00 x 10-1 4.91 x 11 INHAIE ADULT 1.38 x 10-3 1.38 x 10-3 1.31 x 11 TEEN 1.41 x 10 3 1.40 x 10-3 1. 83 x l t Alsa AT*ilable On CHILD 1.27 x 10-3 1.20 x 10-3 2.47 x 11 Aperture Card INFANT 7.49 x 10-* 6.80 x 10-* 1.94 x 1t n

i LGS EROL .t TABLE 5.2-13 A?EUUE i y

ALL REAL PATHWAYS AT THE LOCATION OF MAXIMUM OFFSITE pD4 ATd3 SPHERIC RELEASE FROM LGS UNITS 1 AND 2 (mrem /yr s t

p_ LI/hR KIDPIEY THYROID LONG SKIN [

h-1 1.83 x 10-1 1.63 x 10-1 1.53 x 10-1 1.65 x 10-2 J.56 x 10-1 l [

h-3 3.72 x 10-J 3. /2 x 10-3 3./2 x 10-4 3./2 x 10-d 4.38 x' 10-3 l [

l f

f-1 2. 54 x 10-z 2.5 5 x 10-2 1.40 x 10-2 2.43 x lo-e 2.42 x 10-2 g

-1 4.16 x 10-2 4.15 x 10-2 1.3/ x 10-1 4.01 x 13-e 3.99 x 10-2 g l

3-1 9.79 x 10-2 9.74 x 10-2 2.4b x 10-1 9.d5 x 10-2 9.53 x 10-2 l 0.0 0.0 0.0 0.0 0.0 l 8.87 x 10-J 8.92 x 10-4 4.38 x 10-e e.48 x 11-4 8.45 x 10-3 f-2 l y-2 7.40 x 10-3 7.40 x 10-3 3.26 x 10-= 7.09 x 10-J 7.06 x l o- a g

-2 1. 36 x '10-z 1. 36 x 10 -2 5.18 x 10-z 1.32 x 10-2 1.32 x 10-2 l l 0.0 0.0 0.0 u.0 0.0 l L

l l p-2 2.16 x 10-2 2.45 x 10-a 1.34 1.21 x lo-e 1.15 x 10-* l i

>-1 3.81 x 1&-x 4.33 x 10-r 2.13 2.16 x 10-= 2.03 x lo-a g l

)- 1 17.35 x 10-2 8.60 x 10-2 4.23 5.01 x 10-e 4.81 x 10-2 l I L

i

)- 1 1.64 x 10-1 1. 66 x 10 -1 1.03 x 10+1 1.02 x lo-a 9.ub x lo-a j t

i P- o 1.49 x 10-3 1.63 x 10-3 4.55 x lo-a 1.38 x 10-3 1.29 x 10-3 l [

l

-o 1.57 x 10-3 1.76 x 10-3 d. 7/ x 10-2 1.43 x 10-3 1. 3 0 x 10- 3 l  !

PC ' 1. 4 2 x 10- 3 1.60 x 10-8 6.85 x 10-x 1.25 x 10-3 1.15 x 10-3 l I

-o 9.14 x 10-

  • 9.54 x 10-* 6.25 x 10-x 7. 30 x 10 -* 6.60 x 10-
  • l ,

I o  !

t Rev. 1/, U2/64  ;

a40 3 0 2 0 2 7 0 -oA . I

.. . = . . - _. - - . . .

LGS EROL

) TABLE 5.2-18 COMPARISON OF MAXIMUM INDIVIDUAL DOSES RESULTING FROM LGS UNITS-1 AND'2 WITH 10 CFR 50 APPENDIX I DESIGN OBJECTIVES LIMERICK LIQUID 10 CFR 50, APPENDIX I DOSE UNITS 1 AND 2 DESIGN OBJ./2 UNITS Total body 1.02 mrem / year -6 mrem / year Max. organ 1.78 mrem / year 20 mrem / year (Bone)

RM-50-2 SITE LIMERICK GASEOUS 10 CFR 50, APPENDIX I DESIGN DOSE UNITS 1 AND 2 DESIGN OBJ./2 UNITS OBJECTIVE (3)

Gamma air dose .86 20 -

(mrad /yr)(1)

Beta air dose .59 40 -

= (mrad /yr)(2)

Total body of .46. 10 5 individual (mrm/yr)(2)

Skin of indivi- .90 30 15 dual (mrem /

yr)(2)-

Any. organ all.. 10.55 30 15- l pathways (mrem /

yr)(2) (Thyroid)

~

(2) Doses from noble gases'only (2) Doses from radiciodines.and air particulates with half lives greater _than eight days'

. (2) Annex to Appendix I, 10CFR50; Concluding Statement of

. Position of.the Regulatory Staff, Public Rulemaking Hearing on Numerical Guides for Design Objectives and

. Limiting Conditions for Operation to meet the criterion

."as low.as practicable" for. Radioactive Material in Light Water Cooled Nuclear Reactors, USAEC Docket No.

RM-50-2.

Rev. 17, 02/84 4

.r - . . . . . ~ . , , _ - 4-. .,...,...m.- , . ,,.,-_,_m_,__,m_m~, . . ,,._,,,-_.s., m,-, . . . , , - . - - - -

LGS EROL (3

l _,) 6.1.5.2.6 Milk Milk samples will be collected and analyzed from three available locations within 5 km (three miles) having the highest dose potential (10B1, SC1, 10C1) and at a control location (22F1) l approximately 15 km from the plant in the least prevalent wind direction. Samples will be collected bi-weekly during the grazing season and monthly at other times. To increase program coverage, an additional nine stations have been a~Jed to the milk sampling program and will be collected monthly.

6.1.5.2.7 Vegetation Broad leaf vegetation will be sampled and analyzed monthly during the growing season at a location near the site boundary in the sector with the highest annual average D/O (11S1).

6.1.5.2.8 Fish Although there are presently no commercially important species in

' the vicinity of the discharge, two species of recreationally important fish, sunfish and brown bullhead, will be sampled if available. Fish will be sampled semi-annually at three locations: an upstream control in an area not influenced by plant discharge (33A2), a location in the vicinity of the discharge point (16B2), and a downstream area (16C4).

l 6.1.5.2.9 - Game 1

A sample of small game animals will be obtained and analyzed annually from the vicinity of Limerick.

f's

[ 6.1-59 Rev. 17, 02/84

LGS EROL 6.

1.6 REFERENCES

6.1-1 American Public Health Association, Standard Methods for the Examination of Water and Wastewater, 13th ed., APHA, Washington, DC (1971).

6.1-2 Patrick, R. A., and C. Reimer, The Diatoms of the United States, Vol I, Academy Natural Science of Philadelphia, No. 13 (1966).

6.1-3 Weber C.I., A Guide to the Common Diatoms at Water Pollution Surveillance System Stations, USEPA, Cincinnati, Ohio (1971).

6.1-4 Hansmann, E.W., Diatoms of the Streams of Eastern Connecticut, State Geological and Natural History Survey of Connecticut, University of Connecticut (1973).

6.1-5 Fassett, N. C., A Manual of Aquatic Plants, University of Wisconsin Press, Madison, Wisconsin (1957).

6.1-6 Coleman, M.; and H. B. N. Hj nes, "The Vertical Distribution of the Invertebrate Fauna in the Bed of a Stream", Limnological Oceanography, Vol. 15 (1970) pp.

21-40.

6.1-7 Fish, M. P., " Contributions to the Early Life Histories of Sixty-two Species of Fishes from Lake Erie and its Tributary Water," Bulletin of the Bureau of Fisheries 47(10) (1932) pp. 293-397.

6.1-8 Mansueti, A. J.,and J. D. Hardy, Jr., Development of Fishes of the Chesapeake Bay Recion, Part I Natural Resources Institute, University of Maryland (1967) pp.

111-176.

6.1-9 May, E.B., and C. R. Gasaway, "A Preliminary Key to the Identification of Larval Fishes of Oklahoma," with particular reference to Canton Reservoir, including a selected bibliography., Oklahoma Fishery Resource Lab.

Bulletin No.5 (1967).

6.1-10 Snyder, D. E., Studies of Larval Fishes in Muddy Run Pumped Storace Reservoir near Holtwood, Pennsylvania, M.S. Thesis, Cornell Univ., Ithaca, New York (1971).

6.1-11 Lippson, A.J., and R.L. Moran, Manual for Identification of Early Developmental Stages of Fishes of the Potomac River Estuary, Martin Marietta Corp, Baltimore, Maryland (1974).

O 6.1-60

k i

-s i

i NO.

Year Sample Type Statt:

Surface Water 5 Drinking Water b Groundwater 2 Seiiment 3

(% Fish 3 Vegetation 1 Milk 13

\ Small Game 1

( - :

) Alm Available On Aperture Card

I LGU EROL TABLE 6.1-45 (Page J of 3)

)t Frequency of nri Analysin Analysis Ga nma Isotopic Monthly Tritium Composite Quarterly Gross Beta (soluble S insoluble) Montnly Gamma Isotopic Monthly Tritium Composite Quarterly Gross Beta (solutie S :nsoluDie) Monthly Gamma Isotopic Semi-annua lly Tritium Semi-annually Gamma Isotopic Semi-annually Gamma Tsotop? c Semi-annually Rad 201odine Monthly during growing season Radiolodine (I-131) B1-weex1y during l grazing season.

Monthly at otner times. (4 Stations)

Montnly analysis only. (9 Stations)

Gamma Isotopic Quarterly Gamma Isotopic Annually e

i,

.1P ERTU R E CAD Rev. 1/, U2/04 8403020270-03

i LGS EROL TABLE 6.1-46 (Page 4 of 7)

DISTANCE STATION CODE SECTOR (MILES) b DAIRY AND GOAT FARMS l l

SCI NE 2.6 9El E 4.1 9G1 E 11.4 10B1 ESE 1.1- l ,

10C1. ESE 2.8 f

11El- ESE 4.9 17C2 S 2.5 ,

. 17D1 S 3.6 1BC1 S 1.9 ,

1-i l- 21B1 SW 1.7 I

K 22F1 SW 9.8 25B1 WSW 1.3 36El N 4.7 i

I'

> Rev. 17, 02/84 i'

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LIMERICK GENERATING STATION UNITS 1 AND 2 ENVIRONMENTAL REPORT O

9 ENVIRONMENTAL SAMPLING STATIONS INTERMEDI ATE DISTANCE FIGURE 6.129 R EV.17,02/84

- ._-.... _-. _. _,.- _.___ . _ _ _ _ _ _ . . . . _ . . ___.._ _.__,._.. _....._ _ _ _ _ _. _ _ _ __.~ __ . -., . ,_ . ._

LGS EROL Q 6.4 PREOPERATIONAL ENVIRONMENTAL RADIOLOGICAL MONITORING DATA U

Data obtained by a preliminary radiological environmental monitoring survey study are summarized in Section 6.1.5.1. The preoperational radiological environmental monitoring program as described in Section 6.1.5.2 was initiated as described in Table 6.1-45.

1 O

(

l 6.4-1 Rev. 17, 02/84 s.

LGS EROL TABLE 11.3-1 (cont'd)

Page 3 of 4 Item Costs Reference

9. Atmospheric Costs
a. Radioactive Releases-Gaseous Effluents
  • Biota other than man mrad /yr/2 units Table 5.2-10 SPECIES INTERNAL EXTERNAL

-Raccoon 0.0 1.3 Heron 0.0 1.3 Duck 0.0 l '. 3 Terrestrial Vege-tation 0.38 1.6 Squirrel 1.4 1.9 Robin 0.0 1.9 Mockingbird 0.0 2.5 Deer 2.3 1.2

  • Individual Man --/yr/2 units Table 5.2-18

\ 1) Noble gases Gamma Dose in Air ?s.86 mrad Beta Dose in -

Air 0. 5 9 n.t ad Total Body Dose 0.46 mrem Skin Dose 0.90 mrem

2) Radioiodines and Particu-lates Any

. Organ (all pathways) 10.55 mrem (Infant-thyroid) l

b. Cooling Towers
  • Evaporation 32.4 MGD Section 3.3
  • Drift 0.4.MGD Section 3.3
  • Salt Deposition Variable with Section 5.1.4 distance, sector i

V Rev. 17, 02/84

-.

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