ML19206A257
| ML19206A257 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 10/29/1976 |
| From: | Hulman L Office of Nuclear Reactor Regulation |
| To: | Regan W Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7904180437 | |
| Download: ML19206A257 (5) | |
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.nas: MILE ISLAND UNIT 2 b
DOCKET NU'GER 50-320
!ZTEOROLOGY Metropolitan Edison Co:pany Corrent Ccenent 15 6.3 "eteorolowical Pro 7ra:
(Fa;e 6-1, Para. 3) 6.3.1 Freccerational Cr. ite '?eteorological Progra:
1, i
Quo 115 ca:
"The present wind speed and direction ceasuring i
i instru ent installed at the 150-ft level does not j
reet the ins truzent specificatiet..' c 22nded in l
Corrent:
}
The instrumentation at the 150-foot level (aerevcne) was not part of i
the nuclear reteorological progra: and, therefore, did not fall within the scope of reconcended instruzent specifications of Regulatory Guide 1.23.
Resnense: Since the applicant has stated that wind instru=entation at the 130 foot level (aerevane) is not part of the nuclear cateorological p rogra=, we reccc=end deletion of references to wind sensors at this elevation.
Changes to section 6.3.1 are indicated in Enclosure 2.
i Environmental Protection igency Cc :ent I
C.
Pateorolorv and Clicatolozy We concur with the NRC s taf f opinion that present state-of-the-art i
knowledge does not provide definitive conclusic.s concerning the ef fects on clincte due to atmospheric dispersion of heat and noisture fro the power station, although cajor weather codifications are not expected to result fro the operation of *he Three Mile Island Nuclear Station. We rake the observation that any future projects l
involving large heat releases into the atmosphere in the icwer i
Susquehanna Basin should utilize the 3rcwing bcdy of knowled;e on nacrescale weather 2ndification. The environmental impact of the large aggcegation of power generation facilities in the area should be analyzed on a region,1 - ts for future environ ental 12 pact.
t i
EstL=ates of relative
- eric concentration (x/c) (sic) valuas at various distances ana actions fro the cite shculd be racc=puted using ca-site reteorologi.21 data, when the cetcorological conitoring syste ccafor s with the ecc:cendations of r.egulatory Guide 1.23.
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n.e applicant has stated that the 130 foot wind sensor, which d es not reet the ins trtcent specificatica reco=endmd in Rasula to rv Guide 1.23, is not part of the nuclear car.corological
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progran, n.erefore, FPA's cc=ent concerning recalculation of i
the relative acrospheric concentration (X/Q) values is no longer relevant, since the ceteorological sensors used to provide data
,f for our X/Q calculations reet the instru ent specifications rece= ended in Regulatory Guide 1.23.
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.l TcE FERIOD JUSE 1H7 inCC. A ~UST M74
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Tctal Alkalinity (as Cacc )D
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Snit.ble Solids, c;/1 C
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Total Solids, og/l C
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134 i
Fecal Califems, colonies /lCO ml.
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z.5.1 b cienal Clfratoiccy i
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1 i, !(,i The cifrate of sout' eastern Pennsylvania is pri
,'7 proxl=ity of Chesapeake and Delaware Eays I
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, and to a lesser extent the Atlantic C:::n wuk as far inland as Harrisburgexert a rederating influence en air ter;ecature g-
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r much of 'the region, these 'if fccts ara
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&-inant air ress type over the ragien in e inter Ccntineatal p;1ar air, cri;ir. sting in Ca ida
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ficd and i.armd sevat as the air descends the
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eastern sic;es of t% *;;11achians t2fer
, is th ? pra-rucir.g Se scuthe stern secticn of Pennsylvania
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gins over tre Galf cf Mexico or Carribbean Sea
'4 Maritime tropical air casses, with c Utnt'ers are relatively mild for the latitude O
L while surers are: warm;and heid.3, predoninate 3
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2.5.2 tocal Pet +creiccy c
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1.cng tar, weathar records fren Parristurg 1
me tr;2ratures as 107F in July 1565
, Penn:yhaia, rac:rd t'e extrra -
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M.inuary 19:5.3tctaled 12.55 incFes in June 1972 and raximu 2^ h and -14F in January M12.
2ximm and aini-t-
- eur sec-fall totaled 21.0 inchas inF xien 24-hcur pr i
cipitaticn averages two to three days per yearThe anwal soc.vfall ecmil for Harr 1;
f 6
- i less) cccurs an average of 21 deys ar.nually 3 Heevy fcg (visibility cn2-cuarter cf a nilnches, w
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Cnsida- *d data at th 1CMt e cc Iml fl0 "Mr
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upndicate that the prc'mfrint Winds frcm the rarth-ncrtheast are least L,-.
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.~N M The Staf' tz: e'alue:+: the A:;licant's : rec:
! '994.. - inf:r atien on c site =.e: sic;ical r.: nit:rin; is presented in _:tica 6.3.
3rati nal : nit:ri ; ; :;ra s.
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! 'i@i'G~ and 5.5 :ne staf f re:: r:nds that the c:erati:nal In Ce: tic s 5.
t-b en:e:ti 11r.kt:n entrainr.ent studies and the bird ir:atti:npr:;rre l M-Kf;re;ra::,n cf the ;hyt;plUiton and 2:0:
,hich nay be ter" _.ed.
' W-f-Z of tne prec;eratiena' radiolegical c: nit: ring pec;ra: are cu:tlined in Secticn 6 Staff's re: t endat;:ns f r it;re.erent of the effectiveness
-L.$'^c:eraticnal r:nitoring ;rc; rams will be in: r; crated in the Technical S;eci
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The N will in turn te in::r;; rated as f ar: of the c;erating litar.se.
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~% L. -Tha ;hysical parareters cf the Sus:;;ehm. River naar the plant site i
= m:9::-L:tivity. ;H, disselud en.:en, turbidity
, such as ter:ercture, since M52; the data are given in SR Figures 2.5-1 throagn 2.5-8., color, cd r a g
-t ef teen stucie:
j t
are
! rl W ;w given in Table 2.5-1 cf the Environ ental Rep:rt, h;;1e ant II, Fctruary 1575.
i Mditi:nal data l
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1 - $.$,l. Petacrological data collecticn began c
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fj ~ ", instra. anted cast about 1500 f t scuth of the L' nit 2 ccntain
~ ;-F direction were reasured at t..e ICO-f t level en this rest.
rent structure. Miac 0;eed and k' -~U ?. 7.in Ane 1972. 3Idfi-relo:sted to a ;csiticn appr In 0: :ter 1970, this mit at
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-MgAt the sare tire tne ICC-ft rast was coved from its original p;siticn in Oct:ber 1970, an e
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'd:150-ft hi;h reteorological to-cr erected cn the n:rthern end cf th
{ ef.lc her o4 R i
.!,,~t c;erational.
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'in c;traticn at the site.Lccated 2200 f t north of the L' nit 2 contairrent building, this t:-er is e Three !!ile Island batar
-a-ticnt air te 2;r:ture at the 25-f t level, relative hridity at the 150-ft levelWin c..
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,' *. nrature dif'erance between the 25-and 150-f t levels and between 50- an evels, b...7 72 g'
$. 1 -i this t:-ar are also reasured.
, and vertical i
Jraasured at the 1CO-f t level. In addition, hori2cntil and vertical wind fluctuaticns are
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' gxk mS :jstn was replaced and upgraded.1In Otteber 1971, the vertical terperature gradient reas bl
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..'. g[ Tie'* r'esent wind speed and direction reasuring instru est installed at t
- h. k} h) 1-;.P n:t.caet the instre-ent specificaticns re: : c.nd;-d in Regulatcry CJide l 23 2-i
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M.,J limit 2d space available en the island and the nurarcus
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E?cause of the t
g l( (
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N' 1 1 ' j.as recccranded in Regulatory Guide 1.23.
i l WYQia:'e ent does meet the intent of Fagulatory Guide 1.23.'l,bthe r at a b o 4 h; 9
vi g k_6: M W W:
aicut 70 ft.- This 4 _ h ki
- i 1. '-Wir;-licant tas prcvide joint fr:
S
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'-~ 'W.: st'bility class (tesed on vertical t ;arat7.ency d'< tributicr.s of wind sned a-d direction by at :s-s
'2 q >
trd (4/71-3/72 2nd 10/ 72-10/73) coll.cted crsite.ure dif ferer.ce) for two ene-year rarieds of
-d y $ g;j 4 " ta r:
% -7.'t-the 10^-ft level and redue:d to represent conditi The wind s;ned and direction rnsured 'gha
-1:.' gte;erature difference between the 50- and ISO-levels were thens at the 33-ft level, and the vertical y.
Q
l~.r. - es tim tes.
E d[." affe:ts was used to rake staff esticites of relative at i
y i
a; A
j q.
u ng W e
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-7,:,de.saricus distances and directions from tre site as specified in Se ti.eric cercen
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c on 5.1 t
. 53.T- 0:naticeal nsite Memrol:tical Frc rm 7 E-4 h gA l.M[*btr:rcicgical data collection is centiraing cnsite.,i T
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'un casne ill c:ntir a hrn; hut the It is intended that c eterrolcgi:al data
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entire peried of plant c;eraticn.
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