ML19268B935

Forwards Site Analysis Branch Meteorology Input for Inclusion in ACRS Rept

ML19268B935
Person / Time
Site:	Crane
Issue date:	06/22/1972
From:	Harold Denton US ATOMIC ENERGY COMMISSION (AEC)
To:	Deyoung R US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 7910180673
Download: ML19268B935 (4)

Text

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R. C. DeYoung, Ascistant Director for Pressurized Water Reseters, L METEOROLOGY 8ECTION POR REPORT TO THE Af RS 05 THREE MILE ISLAKD STATIO!! -

UNIT 1 - DOCKET 50. 50-289 Ensloced is the meteorology section for in,'lusion in the report to the ACES en Three Mile Island. This evaluation was perforsned by Tarl H.

Markes, Jr., Site Analysis Branth, L.

Haro11 R. Denton, Assistant Dire: tor for Site Befety Directorate of Licensing En losure An statei ecw/ enclosures H. Shierling, L R. Smith, L 0

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S. Hanauer, L I l.

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J. Hendrie, L M;*r:

W. P. Gaamill, L t',s, " ',c : a

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1. - a t K. Kniel, L AI. 33 - Mg s A P. :. :g E. H. Markee, Jr., L

. !!. M.ar'wD Che). Rile No. 50 289 P

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hills en both stjes of that ri ve r. The pretailir.g airficv cver the site is ner*.h.asterly fue

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• .he infhen e of large s sle vatther ;stierr.s sr.1

• r.e rel s. ;valy :r.al; ;*/ rive r vs' '.v y c r.e r.*.a t ' ::..

The t.:.:ident en3 annual average diffusion ::nlitions have been evalustd

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and the s;plicant r.as pres.sn:td.wo years O'sy 1747. Ly 19d?) of these i...

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..., r...., s... s.,1.....,..i... t. s....,..,.<..

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l Tor evaluation of diffusion of shert-term a::itental releases frc.m the i

g y-plant, a ground level release with a buildir.g vake factor,:A,of 1000 m

,(

l The rala*.1 re aer.:entrati:n ahi:h is ex:ce ae.157. Of the tim

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s vss assumei.

4

..I was :alculated frem the medifies ;jcin' frequency.tistribut ten to ce 9.8

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3 at the extlu:t;n tistan:e :f d10 = vith the vind speed redu:ed k

x tr 3,ejg sti "e *.he gt:'.ni. This

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rtyresint cir ::ver'.. si s level :t 10 : ster:

rels'.tve :encentrstian is e.141vslent to the dispersten :en11tiens pr:du;ed j The

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by Pesquill type 7 stability with a vir.J speet of 0.6 =eters/second..

.su provide an atelw.+, : nseryst!ve esti ste be:ause

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sl:vistien a;;es:s *.:

'..X thets :* h:1 if s*.shtitty : as sif t:stiin frer. =essurements that

.he sig.1 are 10 fee *. above the gr:ve.1 is tenservstive.

The appli:ar.t has used f.4. I' 7

values wht:h tre less : enter"etive by e ft-*:r cf five fue te his u:e tf

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e !!?ht vir.1 iiff ai:n.:iel durir.; :tsile a -: pheri

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...* : t. e. :he re :.1.: :f -ha:t diff.:f.:r. -*:9: '.rce : e e r.

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3 The limiting ent.usi average relati s :eneer.ttstien cf 2.0 x 10'5 se:/=#

vas fcund at the nearest island 633 = se"*.hwest of the plant. This value

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5. 4 -b. a..-

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a.,,..'.'.t.'.'

v a '. ". a. d.. a.

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the ur.=c 11 rie l,'o t r.t frequer.:y -dis tribu*.i:r. sr.d r.ct re*lu:tr.; the vir.d speed for elevatien,

<. eu,...u.s.r..>,.

.+..........o..a

a.,.,...

..,a.

-c.r.:..

v..

. r.... e c.....-..

provide en acceptable basis fer the devele;:en ef :cr.servative s:::s.

pherie dilutten fseters for use in the s+.aff's dose ::dels. M:vever, the pres +ntetien of at least s year of da*.a aith verti:a1 to:pers:ure gra fier.. meas'.ree.-.s which is it.. heir :r.;:ir.; pregre.m :.ay predw:e

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