ML19322C087

Radiological Environ Monitoring Rept for Period Ending 771231,submitted as Suppl to 1977 Annual Operating Rept

ML19322C087
Person / Time
Site:	Oconee
Issue date:	05/11/1978
From:	DUKE POWER CO.
To:
Shared Package
ML19322C084	List: ML19322C083 ML19322C087
References
NUDOCS 7912300075
Download: ML19322C087 (10)

Text

___

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0 2.13 DIVIRONMENTAL MONITORING Table 2.13-1 suemcrizes the environmental monitoring program for 1977.

Table 2.13-2 provides the locations of milch annimals determined by survey within a five-mile radius of

'the station sita.

Unavoidable deviations from the routine sampling schedule during the year included nine weekly air pa-ticulate samples at the 006 (control) location between September and the end of the year due to numerous sampler malfunctions and power failures at the location.

Two weekly air particulate l

samples at the 009 location were not collected, one in August and the other in November, due to sampler malfunction.

The second semiannual aquatic vegetation sample at location 000.4 was not available due to envirionmental conditions.

The January rain and settled dust samples at locations 002, 006, and 010 were lost when freezing conditions damaged the samplers.

The 000.2 location rain and settled dust aample for September was lost due to vandalism.

During the year several sample types, primarily in the aquatic pathway and for locations near the waste discharge area, were statistically higher than the control samples.

Aquatic vegeta-tion samples just below the discharge point (Location 000.4) showed Mn-54, Co-58, Co-60, Cs-134, and Cs-137 at levels well above background as would be expected.

In one case a small quantity of I-131 was also seen.

Further downstream at location 005.2 detectable but lower levels of Co-58/60 and Cs-134/137 were seen.

Bottom sediment samples at locations 000.4 and 000.7, also in or near the discharge area, showed the expected Mn-54, Co-58/60, and Cs-134/137.

Fish samples at the 013 location also showed detectable levels of Os-134/137.

Surface water at location 000.7 showed levels higher than background for gross beta, tritium, Cs-137, and I-131.

Drink-ing water at the 006.1 location had tritium activity above background and, during one period early in the year, low levels of I-131 were seen.

Lastly, the 000.18 TLD location on the Restricted Area fence near a borated water storage tank was, of course, higher than at other locations.

Wherever any of the above observed activities appropriately

, exceeded control values, reports were written (see last column of table 2.13-1) as required by Technical Specifications explaining the occurrence with an evaluation of the dose signi-ficance.

None of these observed activities resulted in a significant environmental dose potential Finally, trend analyses for the year showed no significant long-term positive trends in environmental media except perhaps in aquatic vege-tation and sediment at the waste discharge point.

th,Ue & 9 Z7 8

n The effects of two Chinese nuclear t d

I, one in September 1977, were easily seen in air particulate samples.

Gross beta in air ran as high as 50 times normal and samples showed normally undetectable quantities of Co-141/144 Mo-99, Ru-103, Ba/La-140, Te/I-132, and Np-239.N

T:

Tchle 2.13-2 SEMI-ANNUAL CENSUS OF MILCH ANLMALS DISTANCE / DIRECTION JANUARY-JUNE 1977 JULY-DECEMBER 1977 NAME FROM STATION COWS GOATS COWS GOATS FEW 4 MI ENE 1

0 1

0 MERCK 3 MI E 1*

O 1*

O HALE

% MI E O

1*

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0 1

0 DYAR lb MI SSW 1*

0 1*

0 1

POWELL 4 MI W 65 0

65 0

MERRIL 4 MI NNW 1

0 0

0 HENDRIX 1 MI E 1

0 1*

O LUSK 3 MI E 1*

0 1*

0

• Unavailable for sampling 9

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TABLE 2.13-1 (Cont.)

ENVIRONMENTAL BADIOLOCICf.L MONITORING PROGRAM ANNUAL

SUMMARY

OCONEE NUCLEAR STATION DOCEET NOS. 50-269. -270. -287 00)MEE COUNTY, SOUTH CAROLINA JANUARY 1, 1977-DECEMBER 31, 1977 Type and lower Limit Number of Hedium or Patinsay Total Number of All Indicator Locations Location with liighest Annual Nan Control 14 cations Montoutine Sampled of Analyses Detection Hean (f)s ya g,, (gja Etan (f)s Reported (Unit of Haasurement)

Performed (LLD)

Range Olatance/ Direction R anu.

Range Measuremente Aquatic Vegetatlon 8'Sr 5

40

<l.LD

<LLD

< LID 0

(pC1/Eg. wet) 3 locations 88Sr 5

8 75(2/3) 305.5 75(2/2) 41(2/2)

(70-81) 4.5 miles S (70-81)

(36-50) y-Spec 5

5%Hn 100 450(3/3) 000.4 766(1/l)

< l.LD 1

(246-766) 0.25 miles E seco 100 2120(3/3) 000.4 2900(1/1)

<LLD 3

(675-2900) 60Co 100 865(3/3) 000.4 1700(1/1)

< LID 1

(230-1700)

I3*Cs 100 2850(3/3) 000.4 3300(1/l)

< l.LD 3

(1260-3990) 837Cs 100 3180(3/3) 000.4 7030(1/I)

< LID 3

(130-7030) 1311 80 234(2/3) 000.4 304(1/1)

<LLD 0

(165-304)

• Mean and range based upon detectable measurements only. Fraction of detectable measurements at speelfted locatlons *,e indicated in parentheses. (f).

O

• ~

f' ummmmmmmum -

TABLE 2.13-1 (Cont.)

FACE 3 0F 9 ENVIRONMENTAI RADIOI.0CICAL MONITORINC PROCRAM ANNUAL

SUMMARY

OCONEE NUCLEAR STATION DOCKET NOS. 50-769. -270, -287 OCONEE COUNTY, SOUTil CAROLINA JANUARY 1, 1977-DECEMBER 31, 1977 Type and Emer Limit Number of Hedium or Pattway Total Number of All Indicator Locations Location vith Highest Annual Mean Control Locations Nontoutine Sampled of Analyses Detection Mean (f)a Name H,,n (gja Mean (f)a Reported (Unit of Mrasurement)

Performed (LLD)

Range Distance / Direction panee Range Messurements Bottoa Sediment (pC1/Kg dry) 89Sr 23 600

<LLD

<tLD

< LID 0

6 Locations 90Sr 23 150 111(10/20) 000.5 127(3/3) 127(3/3) 0 (86-160) 0.3 miles N (120-140)

(120-140) y-Spec 18 5"Hn 150 581(3/15) 000.4 581t3/3)

<LLD 0

(236-939) 0.25 miles E (236-939)

SoCo 150 5670(5/15) 000.7 7550(1/3)

< LID 2

(832-12200) 1 mile SSE 60Co 150 1340(7/15) 000.4 2380(3/3)

<LLO 1

(283-4990)

(979-4990) 33"Cs 15; 3370(12/15) 000.4 10.200(3/3)

< LID 3

(204-22,000)

(4280-22.000s 3:7Cs 150 5390(12/15) 000.4 15.800(3/3) 703(1/3) 3 (110-39,100)

( 110- a.'.100)

Fish e9Sr 11 40

< LID

< LID 0

(P 1/kg, wet)

C 2 Locations 90Sr 11 8

430(6/6) 013 430(6/6) 570(5/5) 0 (89-950) 5.8 miles S (89-950)

(89-980) 5"Hn 130

<LLD

<LLD

<LLD 0

• Mean and range based upon detectable measurements only.

Fraction of detectable measurements at specified locations la indicated in

, arentheses, (f).

p 4 i

a TARLE 2.13-1 (Cont.)

0 ENVIRONNENTAL RADt03.0CICAL HONITORINC PROCRAN ANNUAL SUNNARY OCONEE NUCLEAR STATION DOCKET NOS. 50-269. -270 -287 CCOMEE COUNTY, SOUTH CAROLINA JANUARY 1,1977-DECDtBER 31, 1977 Type and Lower Limit Numtwr of Hedium or Pathuay Total Number of All Indicator Locations Locatton with H3 heat Anr.ual Nean Control Locattune Montoutine Sampled of Analyses Detection Hean (f)a Name Miam (J)*

Hean (f)a Reported (theit of Hesacrement)

Performed (LLD)

Range Distance / Direction Ranae Range Measurements Flah (Cont'd) 5sre 260

<LLD

< LID

<LLD 0

60Co 130

<LLD

< LtD

<LLD 0

652n 260

• L1D

<LLD

< LID 0

I3'Cs 130 180(6/8) 013 180(6/8)

< Lib 0

(62-530)

(62-530) 337Cs 130 360(8/9) 013 360(8/9) 89(3/5) 1 (100-1200)

(100-1200)

(62-136)

Milk 3331 76 0.5 0.98(14/69) 002.1 0.98(14/64)

< LID 1

(pC1/11ter)

(0.15-6.0) 5 miles NW (0.15-6.0) 3 tocations 311 19 330 244(16/16) 006.3 567(3/3) 567(3/3) 0 (100-390) 8 elles SSE (410-820)

(410-820) esSr 22 10 2.7(1/16) 002.1 2.7(t/12)

< LtD ti 90Sr 22 2

4.3(16/16) 015 12it/t) 3.5(6/6) 0 (1-12) 1.5 miles E (1.3-5.4) y-Spec 22 I3'Cs 15

< LID

< TID

< LID 0

I37Cs 15

< LID

<tLD

< LID 0

I

• Mean and range based upon detect ble measurements only. Traction of detectable measurements at specified locations is indicated in parentheses. (f).

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e TABLE 2.13-1 (Cont.)

FACE 6 0F 9 ENVIRONMENTAL RADIOLOGICAL HONITORING FROCRAH ANNUAL

SUMMARY

OODNEE NUCLEAR STATION DOCKET NOS. 50-269, -270 -287 OCONEE COUNTY, SOUTil CAROLINA JANUARY 1, 19)?-DECEMBER 31, 1977 Type and Lower Limit Number of Hedium or Pattaiay Total Number of All Indicator Locations Location with Highest Annual Nan Control Locations Nonroutine Sampled of Analyses Detection Hean (f)E Name Mean (1)e Mean (f)e Reported (Unit of Heasurement)

Performed (LLD)

Range Distance / Direction Range Range Measurements Soll 89Sr 3

600

< LID

<LLD

<LLD 0

(pC1/Es. dry) 3 1.acations 90Sr 3

150 150(1/2) 006 210(1/1) 210(1/l) 0 8 miles SSE y-Spec 3

33*Ca 150 LLD

< LID

<LLD 0

137Cs 150

<LLD

< LID

< Lib 3

Surface Water Cross a 73 0.5 0

(pC1/11ter)

Dissolved 1.4(25/61) 000.7 2.0(10/13) 0.78(2/12) 3 Locations (0.21-5.9) 0.25 alles SSE (0.21-5.9)

(0.30-1.3)

Suspended 1.5(14/61) 000.7 3.4(2/13) 0.35(2/12)

(0.27-5.9)

(0.82-5.9)

(0.25-0.45)

Cross 8 73 1.0 4

)

Dissolved 8.6(58/61) 000.7 26(13/13) 2.5(11/12)

(0.20-52)

(1.8-52)

(1.6-4.11 Suspended 2.9(16/61) 000.7 4.8(5/13) 1.5(2/12)

(0.81-18)

(0.83-18)

(1.4-1.6) 3H 52 3.30 2100(48/48) 000.7 2900(19/19) 165(4/4) 9 (110 9400)

(190-94C9)

(110-270) 89Sr 38 10

< L1D

<t1D

< Lib 0

• Hean and range based upon detectable measurements only. Fraction of detectable measurements at specified locations is indicated in parentheses, (f).

(

.b TABLE 2.13-1 (Cont.)

FACE I 0F 9 j

ENVIRONMENTAL BADIOLOCICAL HONITORINC PROCRAM ANNUAt. SUMMART OCONEE NUCLEAR STATION DOC #ET NOS. 50-269, -270. -287 00)MEE COUNTY, SOUTH CAROLINA JADJARY 1.1977-DECDalER 31, 1977 Type and tower Limit 1 Number of Hedium or Fatlasay Total Number of All Indicator Locatione Location with Highest Annual Hean Control locationJ l Monroutine Sampled of Analysee Detection Mean (f)a Name Hemn (f)a Hean (f)s Reported (Unit of Hessurement)

Performed (LLD)

Range Distance / Direction Rance Range Measurements Surface Water (Cont'd) 90Sr 38 2

1.2(t/34) 005.2 1.2(1/9)

<LLD 0

4.5 miten S y-Spec 105 56Hn 15 16(11/93) 000.7 19(9/28)

<Lto O

(6.6-44)

(7.5-44)

Seco 15 26(2/93) 000.7 26(2/28)

<LLD 0

(23-30)

(23-30)

"Co 15 13(6/93) 000.7 18(2/28)

< Lib o

(5.6-24)

(16-20) 33*Cs 15 28(9/93) 000.7 36(5/28)

<LLD 0

(13-74)

I3#Cs 15 24(30/93) 000.7 31(15/28) 7.5(2/12) 0 (6.2-130)

(10-130)

(6.9-8.1) 131 1 15 30(26/93) 000.7 32(11/27)

< LtD 1

(0.9-77)

(8.5-77)

Terrestrial Vegetation Y-Spec 18 (pC1/rg, wet) 4 Locations "tr/Nb 200 3000(11/14) 015 3600(4/4) 2600(4/4) 0 (1400-8000) 4.5 alles W (1600-8000)

(1400-5200)

"Mean and range based upon detectable measurements only. Fraction of detectable measurements at specified locations is indicated in parentheses. (f).

a g

t s

1 e

4 m

FACE 8 0F 9,,

TABLE 2.13-1 (Cont.)

ENVIRONMENTAL RADIOLOGICAL MONITORINC PROCRAM ANNUAL

SUMMARY

OO)MEE NUCLEAR STATION DOCKET NOS. 50-269. -270. -287 OGHIEE COUNTT SOUTH CAROLINA JANUARY 1,1977-DECDiBER 31, 1977 Type and lower Limit Number of Medium or Fathway Total Number of All Indicat9r Locations Location with Highest Annual Mean Control Locations Noaroutine Sampled of Analyses Detection Hean (f)s Name Mean (f)*

Mean (f)*

Reported (Unit of Measurement)

Farformed (LLD)

Range Distance / Direction R a nza.

Range Measurements Terrestrial Veg.(Cont'd 134Cs 100

< LID

<LLD

< LID 0

337Cs 100

< LID

<LLD 790(1/4) 0 1408a/La 100 5500(3/14) 002.1 6200(1/1) 5700(1/1) 0 (5000-6200) 5 alles W 8381 80 3500(3/14) 002.1 4100(1/4) 2100(1/4) 0 (2700-4100)

Drinking Water Cross a 38 0.5 0

(pC1/11ter)

Dissolved 0.95(8/25) 012 1.4(2/12) 0.79(1/13) 3 locstions (0.39-1.8) 15 alles SSE (1,1-1.8)

Suspended 1.4(6/25) 006.1 1.6(5/13)

< LID (0.77-3.1) 8 miles SSE (0.77-3.1)

Cross 8 38 1.0 0

Dissolvad 3.2(25/25) 006.1 2.7(13/13) 2.3(13/13)

(1.9-5.5)

(2.5-5.5)

(1.4-3.8) i Suspended 1.6(5/25) 006.1 1.7(4/13) 1.3(2/13)

(1.1-2.2)

(1.3-2.2)

(1.2-1.4) 311 28 330 890(23/23) 006.1 1200(11/11) 290(4/5) 2 (530-2900)

(530-2900)

(160-590) 1 893r 27 10

<LLD

< LID

<LLD 0

i "Mean and range based upon detectable measurements only. Fraction of deteccabla measurements at specif tsd locatione is indicated in parentheses, (f).

ee.

-