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=Text=
=Text=
{{#Wiki_filter:_                                                                      - - - - -
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~~ N4 UNill Ls stall S 8
            ~~ N4                                         UNill Ls stall S                                 jv cg 7D 8           I3                                                                               f ~2 ATOMIC ENERGY COMMISSION W AFA U NG I Of J. O U.       b)We p        ,N5 OM
I3 f ~2 jv cg 7D ATOMIC ENERGY COMMISSION W AFA U NG I Of J. O U.
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l'e t er A . 11o rris , Di rec to r                                                             !
,N5 p OM l
Divisitut of Reactor Licens itta SAFCTY AN.\lXSIS RKPORTS Reference in uade to the lettern of J.inuary 16, 1970, and rtirch 14, 1970, from Roger S. 1;oyd, As;istant Di rector for React or Pr o jects ,
.u I
                    - D:ll, to the 1:nvi ron:aoot a l Science Services Admi ni s t ra t ion re(juesL i ng comments on the followinc, safety analysis reports, respectively:
l'e t er A. 11o rris, Di rec to r Divisitut of Reactor Licens itta SAFCTY AN.\\lXSIS RKPORTS Reference in uade to the lettern of J.inuary 16, 1970, and rtirch 14, 1970, from Roger S. 1;oyd, As;istant Di rector for React or Pr o jects,
Vermont Yankee Nuclear Power St ation Final SafcLy Analysis Report                   -
- D:ll, to the 1:nvi ron:aoot a l Science Services Admi ni s t ra t ion re(juesL i ng comments on the followinc, safety analysis reports, respectively:
Volumes I through IV dated December 31, 1969 Pilgrin Nuclear Power Station Final Safety Analysis Report Vo l u:nes 1 through V dated December 31, 1969 Limerich Generating Station, Units I and 2 Philadelphia Electric Company Preliminary Safety Analysis Report Vo l ume <. I through 5, dated FeLruary 26, 1970 Revleu by the Air Resource Environmental Laboratory, ESSA, has now been completed and their comments are enclosed.
Vermont Yankee Nuclear Power St ation Final SafcLy Analysis Report Volumes I through IV dated December 31, 1969 Pilgrin Nuclear Power Station Final Safety Analysis Report Vo l u:nes 1 through V dated December 31, 1969 Limerich Generating Station, Units I and 2 Philadelphia Electric Company Preliminary Safety Analysis Report Vo l ume <. I through 5, dated FeLruary 26, 1970 Revleu by the Air Resource Environmental Laboratory, ESSA, has now been completed and their comments are enclosed.
C               %
C liiton Shaw, Director Division of Reactor Development and Technology
liiton Shaw, Director Division of Reactor Development and Technology


==Enclosure:==
==Enclosure:==
Comments (O r i g. & 1 cy.)
cc:
R. S.
lioyd, Assistant Di..,
Reactor Projects, DRL
: 11. L. Price, Director, R! G S-l } N/b-06C6300056 860613 PDR FOIA DURNSTEIB6-58 PDR


Comments (O r i g . & 1 cy.)
v e-w e p.,e..,,
cc:    R. S. lioyd, Assistant Di.., Reactor Projects, DRL
m. %,,,
: 11. L . Price, Director, R! G 06C6300056 860613                                    -
S-l } N/b-PDR      FOIA DURNSTEIB6-58          PDR
 
v                                                           - -
e- w e p .,e ..,, m . % ,, ,
4%
4%
Conenento on i
Conenento on i
Pilgrim Nuclear Power St,at,lon                                       i i
Pilgrim Nuclear Power St,at,lon i
Final Safet.y Analysis Report                                         l Volumes I through V dated December 31, 1969 Prepared by Air Recource., Fnvironmental Laberatory Environmental Science Services Adminlut ratien                         ,
i Final Safet.y Analysis Report l
June 2, 1970 Nh                     Oncito mat.coroloc,ical at aticLico indicate that at, a lcvel of P.20 fcot abo'ce the nurface (300 feet, Mean Sea level) the annual mean wind c}med is 16 r.ph
Volumes I through V dated December 31, 1969 Prepared by Air Recource., Fnvironmental Laberatory Environmental Science Services Adminlut ratien June 2, 1970 Nh Oncito mat.coroloc,ical at aticLico indicate that at, a lcvel of P.20 fcot abo'ce the nurface (300 feet, Mean Sea level) the annual mean wind c}med is 16 r.ph and the frequem'y of calmc; ic 0.43 parcent. At this level, ut.ahle (toderate and clicht) conditicna with enuhore winda and a speed cf 3 mph or lens (includind all calms) occur: leau than 1 percent. of the time.
'                      and the frequem'y of calmc; ic 0.43 parcent. At this level, ut.ahle (toderate and clicht) conditicna with enuhore winda and a speed cf 3 mph or lens
Conucouently, it wou3d be reasonable t.o conclude that, a diffuu'icn factor (7/0) equal to er greater than that equivalent t o Pacquill Type F and a wind cieced t f 2 n'/ece g
        '              (includind all calms) occur: leau than 1 percent. of the time. Conucouently, it wou3d be reasonable t.o conclude that, a diffuu'icn factor (7/0) equal to er greater than that equivalent t o Pacquill Type F and a wind cieced t f 2 n'/ece g                       would occur lecc t.han 5 percent of the time.
would occur lecc t.han 5 percent of the time.
  ;.t                 For the elevated releases frca a ut,ack which in 100 m above the surface, the s*                  raechanion result ing in the higheat, ground concentration is either a rapid mixing dewmtard or a decrence in the effective at,ack height because of rining downuind terrain. The nearent, cite boundary, other than the shoreline, is.
;.t For the elevated releases frca a ut,ack which in 100 m above the surface, the raechanion result ing in the higheat, ground concentration is either a rapid s
at a dictance of 330 m went northwest of the stack where t,he terrain is about 90 n belew the top of the atack. In this cituation a very rapid diffusion (Pacquill Type A) with a uind speed of 1 rr./ cec and an effective clock he.ight of 90 m would renult in a relative concentrat,ien of 2 x 10~5 see m-J. Thc highest nearby terrain is touard the couth couthwest at a distance of 80L m and at 2200 m. In the former (Roadside Park on cite boundary) the terrain ic 40 m below the ntack and in the latter (Manoment Hill) it is at the stene elevation as the stack t op. In thic cituation the controlling condition cecca to be an inversion cendition with zero effective stack height at the distance of Manonent Hill and a wind speed of 2 m/sec resulting in a con-centrat, ion of 1 x 104 sec m-3 TheLiteinventicationofseIl breezes (Appendix I) verifies another mechaniu ,
mixing dewmtard or a decrence in the effective at,ack height because of rining downuind terrain. The nearent, cite boundary, other than the shoreline, is.
at a dictance of 330 m went northwest of the stack where t,he terrain is about 90 n belew the top of the atack.
In this cituation a very rapid diffusion (Pacquill Type A) with a uind speed of 1 rr./ cec and an effective clock he.ight of 90 m would renult in a relative concentrat,ien of 2 x 10~5 see m-J.
Thc highest nearby terrain is touard the couth couthwest at a distance of 80L m and at 2200 m.
In the former (Roadside Park on cite boundary) the terrain ic 40 m below the ntack and in the latter (Manoment Hill) it is at the stene elevation as the stack t op.
In thic cituation the controlling condition cecca to be an inversion cendition with zero effective stack height at the distance of Manonent Hill and a wind speed of 2 m/sec resulting in a con-centrat, ion of 1 x 104 sec m-3 TheLiteinventicationofseIl breezes (Appendix I) verifies another mechaniu,
that of fumication, which brings an elevated plw:.e rapidly to the surface.
that of fumication, which brings an elevated plw:.e rapidly to the surface.
I In the case ot' the nearcat nit.e boundary we have assumed the initial plume tr remain horizontal denpite underlying terrain, the wind speed to be 2. m/sec, the horizontal apread to be equivalent, to Type F and the mixed layer to be 90 m thick. The renulting concentrat,lon la 2 x 104 cec m-3 For a nurface release, the controlling condition would be an inversien                           b (Type F) uith a 2 m/ cec ulnd npoed. A1_ lowing a fact.or of 3 for the aero-dynantic effect of the building complex, t he result nearcat cite boundary of 330 m in 1.4 x 10-3 cec m~ijt g concent, ration at the 1           .
In the case ot' the nearcat nit.e boundary we have assumed the initial plume tr I
                    .                                                                                                    J
remain horizontal denpite underlying terrain, the wind speed to be 2. m/sec, the horizontal apread to be equivalent, to Type F and the mixed layer to be 90 m thick. The renulting concentrat,lon la 2 x 104 cec m-3 b
For a nurface release, the controlling condition would be an inversien (Type F) uith a 2 m/ cec ulnd npoed. A1_ lowing a fact.or of 3 for the aero-dynantic effect of the building complex, t he result nearcat cite boundary of 330 m in 1.4 x 10-3 cec m~ijt g concent, ration at the 1
J


2 1
2 1
The controlling onshore direction with regard to the averai/ autual concentration api; ears to be a uind from the nort.h northeast. to'.zarda the high terrain (ltoadside Park) at the site boundary. Anouming an effective atack height of 40 m, a 6 m/uce vind spced and a frequency of 3.S lercent each of unstable (Typ313) and neutral (Type D) ami a 1.0 percer.t frequewj;.
The controlling onshore direction with regard to the averai/ autual concentration api; ears to be a uind from the nort.h northeast. to'.zarda the high terrain (ltoadside Park) at the site boundary.
of inversion ('lh'ic F) condit.ionn (see Tables 2.3.3 to 2.3.6),1,1 < re 3 su l,t. i n i-average concent.rntion over a 2210 sector at COO ra van 1.6 . 10-/ 000 '^ 3      ~
Anouming an effective atack height of 40 m, a 6 m/uce vind spced and a frequency of 3.S lercent each of unstable (Typ313) and neutral (Type D) ami a 1.0 percer.t frequewj;.
of inversion ('lh'ic F) condit.ionn (see Tables 2.3.3 to 2.3.6),1,1 < re su l,t. i n i-3
'^ 3 average concent.rntion over a 2210 sector at COO ra van 1.6. 10-/ 000
~
In cu'anary, for the caueb list cd no co:npute the cunt raill:t coz.centraliens at offaite locationa to be as follo'.ic:
In cu'anary, for the caueb list cd no co:npute the cunt raill:t coz.centraliens at offaite locationa to be as follo'.ic:
ElevaLed, O - 2 hr release      -  2 x 10 ,* cec m '
~
                                                          ~
2 x 10,* cec m '
l         Ground, O - 2 lu relen :e       . 1.4 x 10 -3 "
ElevaLed, O - 2 hr release
Elevated, runiual relcane       :  1.4 x 10-7 "  .
-3 "
The latter in in good agrecront with the applicapLi a Table E.O.16.
l Ground, O - 2 lu relen :e 1.4 x 10
                                  .                                                                      1 D           -}}
-7 "
Elevated, runiual relcane 1.4 x 10 The latter in in good agrecront with the applicapLi a Table E.O.16.
1 D
-}}

Latest revision as of 00:46, 7 December 2024

Forwards Air Resources Environ Lab Comments on Vermont Yankee & Pilgrim FSARs & Limerick Psar,Per Rs Boyd 700116 & 0314 Requests.W/Pilgrim Comments Only
ML20206K250
Person / Time
Site: Pilgrim, Limerick, Vermont Yankee, 05000000
Issue date: 06/12/1970
From: Shaw M
US ATOMIC ENERGY COMMISSION (AEC)
To: Morris P
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20204E974 List:
References
FOIA-86-58 NUDOCS 8606300056
Download: ML20206K250 (3)
v • d • e


Text

,

m

,/] /aJ s

s G6TiTT',

~~ N4 UNill Ls stall S 8

I3 f ~2 jv cg 7D ATOMIC ENERGY COMMISSION W AFA U NG I Of J. O U.

b)We

,N5 p OM l

.u I

l'e t er A. 11o rris, Di rec to r Divisitut of Reactor Licens itta SAFCTY AN.\\lXSIS RKPORTS Reference in uade to the lettern of J.inuary 16, 1970, and rtirch 14, 1970, from Roger S. 1;oyd, As;istant Di rector for React or Pr o jects,

- D:ll, to the 1:nvi ron:aoot a l Science Services Admi ni s t ra t ion re(juesL i ng comments on the followinc, safety analysis reports, respectively:

Vermont Yankee Nuclear Power St ation Final SafcLy Analysis Report Volumes I through IV dated December 31, 1969 Pilgrin Nuclear Power Station Final Safety Analysis Report Vo l u:nes 1 through V dated December 31, 1969 Limerich Generating Station, Units I and 2 Philadelphia Electric Company Preliminary Safety Analysis Report Vo l ume <. I through 5, dated FeLruary 26, 1970 Revleu by the Air Resource Environmental Laboratory, ESSA, has now been completed and their comments are enclosed.

C liiton Shaw, Director Division of Reactor Development and Technology

Enclosure:

Comments (O r i g. & 1 cy.)

cc:

R. S.

lioyd, Assistant Di..,

Reactor Projects, DRL

11. L. Price, Director, R! G S-l } N/b-06C6300056 860613 PDR FOIA DURNSTEIB6-58 PDR

v e-w e p.,e..,,

m. %,,,

4%

Conenento on i

Pilgrim Nuclear Power St,at,lon i

i Final Safet.y Analysis Report l

Volumes I through V dated December 31, 1969 Prepared by Air Recource., Fnvironmental Laberatory Environmental Science Services Adminlut ratien June 2, 1970 Nh Oncito mat.coroloc,ical at aticLico indicate that at, a lcvel of P.20 fcot abo'ce the nurface (300 feet, Mean Sea level) the annual mean wind c}med is 16 r.ph and the frequem'y of calmc; ic 0.43 parcent. At this level, ut.ahle (toderate and clicht) conditicna with enuhore winda and a speed cf 3 mph or lens (includind all calms) occur: leau than 1 percent. of the time.

Conucouently, it wou3d be reasonable t.o conclude that, a diffuu'icn factor (7/0) equal to er greater than that equivalent t o Pacquill Type F and a wind cieced t f 2 n'/ece g

would occur lecc t.han 5 percent of the time.

.t For the elevated releases frca a ut,ack which in 100 m above the surface, the raechanion result ing in the higheat, ground concentration is either a rapid s

mixing dewmtard or a decrence in the effective at,ack height because of rining downuind terrain. The nearent, cite boundary, other than the shoreline, is.

at a dictance of 330 m went northwest of the stack where t,he terrain is about 90 n belew the top of the atack.

In this cituation a very rapid diffusion (Pacquill Type A) with a uind speed of 1 rr./ cec and an effective clock he.ight of 90 m would renult in a relative concentrat,ien of 2 x 10~5 see m-J.

Thc highest nearby terrain is touard the couth couthwest at a distance of 80L m and at 2200 m.

In the former (Roadside Park on cite boundary) the terrain ic 40 m below the ntack and in the latter (Manoment Hill) it is at the stene elevation as the stack t op.

In thic cituation the controlling condition cecca to be an inversion cendition with zero effective stack height at the distance of Manonent Hill and a wind speed of 2 m/sec resulting in a con-centrat, ion of 1 x 104 sec m-3 TheLiteinventicationofseIl breezes (Appendix I) verifies another mechaniu,

that of fumication, which brings an elevated plw:.e rapidly to the surface.

In the case ot' the nearcat nit.e boundary we have assumed the initial plume tr I

remain horizontal denpite underlying terrain, the wind speed to be 2. m/sec, the horizontal apread to be equivalent, to Type F and the mixed layer to be 90 m thick. The renulting concentrat,lon la 2 x 104 cec m-3 b

For a nurface release, the controlling condition would be an inversien (Type F) uith a 2 m/ cec ulnd npoed. A1_ lowing a fact.or of 3 for the aero-dynantic effect of the building complex, t he result nearcat cite boundary of 330 m in 1.4 x 10-3 cec m~ijt g concent, ration at the 1

J

2 1

The controlling onshore direction with regard to the averai/ autual concentration api; ears to be a uind from the nort.h northeast. to'.zarda the high terrain (ltoadside Park) at the site boundary.

Anouming an effective atack height of 40 m, a 6 m/uce vind spced and a frequency of 3.S lercent each of unstable (Typ313) and neutral (Type D) ami a 1.0 percer.t frequewj;.

of inversion ('lh'ic F) condit.ionn (see Tables 2.3.3 to 2.3.6),1,1 < re su l,t. i n i-3

'^ 3 average concent.rntion over a 2210 sector at COO ra van 1.6. 10-/ 000

~

In cu'anary, for the caueb list cd no co:npute the cunt raill:t coz.centraliens at offaite locationa to be as follo'.ic:

~

2 x 10,* cec m '

ElevaLed, O - 2 hr release

-3 "

l Ground, O - 2 lu relen :e 1.4 x 10

-7 "

Elevated, runiual relcane 1.4 x 10 The latter in in good agrecront with the applicapLi a Table E.O.16.

1 D

-

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