ML19309B168

1979 Radiological Environ Monitoring Rept.

ML19309B168
Person / Time
Site:	Palisades
Issue date:	03/31/1980
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML19309B164	List: ML19309B163 ML19309B168
References
NUDOCS 8004030220
Download: ML19309B168 (9)

Text

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O 1979 EWIRC!RE:.""AL ratI;cRING REFCET FALISADES :UCLEAR FLAIC CCNSGERS ?C'4ER CO:GA:Tl i

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l A. BtDIOLCGICAL

1. Introduction The data obtained by analysis of sa=ples , taken during 1979, has been i

evaluated to determine if any increases in radioactivity levels in the environ =ent are attributable to plant operstion. A summary of the data is presented in Table A-1. Figure A-1 and Table A-2 provide the

. locations of the s .r.pling stations. Statistical analyses of the data show that there has been no detectable increase in radioactivity levels of environmental media that can be attributed to plant effluents.

2. Discussion and Intercretatien of Results .

(a) Air Samules Statistical analyses (at p <0.05) of the air particulate sampling results do n' o t indicate a significant difference in gross beta concentrations between the indicator and background stations ,

except during October and November. During October, the indicater locatiens were statistically lover than the background stations and in November, the indicator stations were statistically higher then the background locations. When'the Lth quarter gross beta results were grouped to increase the statistical population, no differences could be identified.

During the period in question, the concentratien differential is significantly less than 1CCFR20 limits. The hth quarter operating and effluent data was reviewed and the following information noted.

The Palisades Plant did not operate during the hth quarter of 1979, however, the gaseous particulate effluent's di1 increase, but re-mained a small .^raction of the Technical Specification release li=it (0.006%).

Table A-5 prevides the results of the Nove=ber air sa=pling gress beta cnalyses.

No significant iodine-131 activity was observed above the =ini=ue detectable level. This is consistent with expected resulte based on actual plant effluents and site =eteorolc57 (b) Lake Water Monthly composite sanples show no significant difference in gross l beta concentrations between the two sampling locations. All gress beta concentrations were less than 6 pCi/t, except one intake sample analy ic cf 37 pCi/I. The cauce of this unusual result l could not be determined. Tritium cencentrations ranged frc= <100

! to 5100 pCi/I.

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2 (c) Drinking Water Monthly composite samples of treated and untreated South Haven municipal water indicate only background activity. Cross beta activity ranged from less than 1 to 5 pCi/t. Tritium activity (treated water only) ranged from less than 100 to 340 pC1/t.

(d) Well Water Monthly grab samples of three sampling locations shewed concen-trations ranging from 1 pCi/t to 15 pCi/t. The gross beta

. concentrations at location SP was statistically higher than the other two locations at p <0.05, hcvever, when SP is co= pared

'with previous years' results, no significant difference is identified.

'(e) Milk l Strentiun-90 anc cesium-137 vere he only radienuclides detect-able in milk samples collected du ing the year. Concentrations of these two isotopes are consistent with concurrent bace. ground.

(f) Sediment and Croes Radioactivity in lake bottes sediment and crop camples collected throughout the year is censistent with previous years data.

(g) Gamra Dose Thermoluminescent dosimeters are used to monitor the levels of gamma radiation in the vicinity of the site. No significant differences In radiation levels vere observed among the various sampling locations. .

3 Samuling summary For each media sa= pled, Table A-3 lists the sa=plf t locaticns and the i

total number of samples collected. A listing of the highest, lowest and aversge cencentrations for the sampling location with the highest average concentration is presented in Table A k.

f 4 Environmental Dose Estimates Levels of radioactive materials in environmental media do not indicate the likelihcod of public exposure in excess of 5". of those that would result frem continucus exposure to the concentration values listed in j Appendix B, Table II,10CFR20.

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j Lake Water (rCL/L)

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. (2 11) (2 3?) (2 17)

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Tritta 12 130.0 2k3 (13/12) Se sth Kaves Trestel O'$

. (13/12) ".ote Some (150-34c; 5 !!tles % (15 *,-360 )

voit rater Gress leta 36 1.3 4.5 (21 /16) Siste Ftra 6 (11/121 he Jane (PCL/t) (2 15) 1 ?3 e 3 (3 15)

N11k (pct /s)  !.131 kh 05 eL:D - <!'O

. None St.89 kk 5.0 c:2.3 . . eL:3 sone Sr 90 kh 1.3 1.0 (L2/kk) 6.5 (!/S)

• ! h ? (12/12) None (2 12) 5 : tiles #Z (2 12) (2.?)

Cs.137 hk 1.3 4 (35/40) IS k.? (7/2) 3.6 (9/12) 3cae l (1 9) 5 ".11es !! (2 31 (16) 1 0*.ter Carra .

nattters ik 1.3 <L:3 . . <LL3 some hs be I8I TL3 (Mosthly) 2h9 1 5.1 (213/113) F3 6.7 (12/12) 5.9 (36/1$) he (rJt/ rental (2.7 12.5) k.*5 231es 2 (3.7 3.$)

TL3 (harterly) (3.2 11.3) 92 1 13.3 (??/?o) m3 16.5 (h/h) 13.5 (12/12) same

(-Jt/ suarter) (13.C-11.2) 4.?5 'iles n (13.3 21.2) (13 J 19.2i Crops (pC1/g Wet) Gross Seta in 1.0 1.3 (?/1b) .is 1.5 (2/2) he 3ane (1 2) 1.5 M11ee EEZ (1-2) tr.39 th 0.325 <LL3 . . None Noee 3r po in 0.005 .310 (5/12) P? 011 (5/8) he Note

( .303..J15 ) 3 Miles I (.C03. 315)

Co.137 1h g.38 et.:s . . < t' 3 Icne Co.M 1h 0.35 *:13 . . *L:a 3one Other Sams taitters 14 0.1

• LID . . etis Sone Sediment Gross feta 3 1.3 2 (2/3)

(701/g try) F1 sat 31sua.ce 3 (1/2) < L:.3 Scae (1 3) (1 3)

Sr.39 9 0.C25 < L:.D . <L:0 Sene 3r 40 $ C.305 .227 (3/8) Site by.sitry .0kt '1/2) <!J None

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w f eer sai rsnre tscot upon 1.tectable ressur asts only. Frscties of detettatie cessurerents et s;e:s fied loestions in tr.itested in r.resthese:,

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TABLE A-2.. ..

Sampling Locations Palisades Nuc1 car Plant Sample oi 0 v u  %

2 2 3 3 s a 2 e e s N o a x E b

" d 3e i d t 2  ? S .

Station dode Location < c. < 3 Z O m S 1 ST Palisades Nuclear Plant X 'X X X X X 2 TH Tever Hill Fams X X X X RR 3, Oolcra. Michigan 5 Miles SSE 3 HS Herbert Soberberg X X X X X RR 1, Covert, Michigan 5 Miles SE -

4 JS Jerry Sarno X X X X RR 1, Covert, Miehism _

3-1/2 Miles ESE 5 PR Faul Me X X X X ,

RR 1, Covert, Michigan 3 !!iles 3 6 RB Richard Bus X X X X RR 3, South Haven, MI h-3/4 Miles NE 7 SD .Sherman Dairy X X X South Haven, Michigan 7-1/2 Miles ICIE TA SDF Sherman Dairy Fam X South Haven, Michigan 6 Miles :CIE 8 SP State Park, 1 Mile N X X X X 9 TP covert Township Park X X X X 1-1/2 Miles S 10 'GR Grand Rapids, Michigan X X X 55 Miles NNE 11 K7. Kal=azoo, Michigan X X X X 35 Miles E 12 DG Dowagine, Michigan X X X 30 Milcc SSE SH South Haven, Michican X X AK' 'bink *?a

• X RR 2. Ccyert, "ichican , .

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TABLE A-3 PALISADES NUCLFAR PLANT JANUAHY 1,1979 TO DECD4BER 31,1979 SAMPLING AND ANALYSIS SUle!ARY Number of Samples Frequency of Medlinn Desc ri ption_ Location Collected Type of Analysis Analysis Air Continuous at All 621 Gross Beta. I-131 Weekly Apx 1 CFM Lake 1 Gallon Intake, Discharge 216 Gross seta, Gross Alpha, Monthly Water Comtmsite Tri tium Drinking 1 Gallon South llaven 2 14 Gross Beta. Tritium Monthly Water Composite Well 1 Gallon Site, TP, SP 36 Gross Beta Monthly Unter Grab -

MiIk 1 Gallon SDF, KZ , !!S , AK 1166 I-131, Sr-89 and Sr-90, Monthly Grab Isotopie .

Gamra Continuous All 216 9 TLD Dose Monthly Dase 82 Quarterly Crops Grab Tit, JS, PH, HB 116 Gross Beta, Isotopic, When Sr-89 and Sr-90 Available Sedinent Grab Discharge, N & S 8 Gross Beta, Isotopic, When Site Boundary , Sr-89 and Sr-90 Available 5 Miles North O

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?AN) A.'.

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Air Cress s( 8 RS (L.75 M13E) 0.09 FC1/e 40L 0.35 pClia j  !.131' All eVI L <bL <8CL Lane water Cross M.a y F1sst IntaAe 3~ pct /t 2 pC1/t 6.? PC1/4 craes Al a Pla:t itsch.ere 6 rCt/s <CL 1.5 pct /t frit te Plant risenstre 1100 FC1/t <CL ilk 6 pct /t 3rinkinat 0*oss Pp III M taves P2v g 5 g*:it <CL 2.5 pct /t

' dater Trit!# g aoun Raven Trentes 3'. 3 FCS/t <C1 223 pct /t I'

W il veter Cross tota State Park (1 M15) 15 pC1/t *CL 5.6 PC1/8 Milt <CL <CL <.*CL

!.131fI 3 r.*9 All All , <CL <CL <CL Sr4? E3 (5:2 #E) 12 pC1/2 2 petit 6.5 ;C1/t Cs-13"ggy gg) 55 (5 ".1*ST) $ ;C1/t <CL k 3 FCi/t other :arna !ststers All <CL CL *CL Caren Dose  ?!3 (";.thly)I R3 th.*3!*1 ft) 9.3 rJ/ fo 3.7 rJ/vo 6.7 mR/':o 3

?LD (&aarterly) R3 (k.75 r1 71) 21.2 m3/etr 13.3 r3/;tr 16.5 mR/;st CroFs (3) Cross !*ta(1) JS (3.5 Mi trt) 2 pC1/g CL 1.3 Pet /s 3r-4?(y , All <CL <CL *CL Sr 90' ggg J3 [3.5 x1 ESI) 3.315 rC1/g CL 0.210 PC1/t Cama hitte-s All 3.06 pC1/g <CL <CL Setisest Cross lets F1sst lisesargs 3 pC1/g (Ory) CL (2) sr-87H All <CL <CL <CL i fr40 Site Sounsary 3.f=2 pC1/g <CL (2)

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$ Cs-137 ggy Plant :tsc3arge 0.17 pC1/g <CL (2) g 3.:.r T 1. tera 1.11 <tCL

• CL. <tCL

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M (1) Minineri detectsMe *evel (C* ) e air, cross beta 3.31 ;"1/aI . I 1310.a.2 rC1/stI 6 vater, cross teta 1.3 ;Ci/ s. 3-oss alpa 1.3 pC1/ t.

M-3 IM .C*/in 21:2. !.1313.5 pct!8. 8r '9 5.* 3:1/t. sur.a tsossile 1.: ;C1/tt :ross ans seatment, cross tets 1.3 p:1/s. Er-b 3.02!

FCt fe. SP-D 0.005 pC1/g. garme isstspit C.35 ;ct/g so-o samples say %sve "Jg*er CLs due to essple sise, sM1;;1r.3 telays or statististi

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(2) Seems samples esetair.es less than C:.; ceretare, a : aatagful average enanot te cale tintet, r3I sarses teneetes -:e- ly is seasss.

(k) Two sttples per Isestits.

(5) Tritim analysts perfor et on Soutit ifaves treatet caly.

III ul *:ess can* (e) as.ters are ass. net to be *ewal ta*.

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