ML20090B025
| ML20090B025 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 12/31/1991 |
| From: | PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | |
| Shared Package | |
| ML20090B010 | List: |
| References | |
| NUDOCS 9203030168 | |
| Download: ML20090B025 (39) | |
Text
. . - - _-- - - - - - -. . - . . - . - . - . - . . - . - . . - - . - - . . - - -
i Page 1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT Supplemental Information 1991 Third and Fourth Quarters Facility: -Seabrook Station- Unit 1 Licensee: Public Service Company of '
New Hampshire, et.al.
- 1. Reculatorv limits A. Gasecus Effluents
- a. Fission and activation gases: 5.0 mrad per quarter gamma air dose,10.0 mrad per quarter beta air dose.
- b. lodines. 7.5 mrem per quarter to any organ.
. c. Particulates, half-lives > 8 days: Particulates and iodines are included in step
- b.
- d. Tritium: 7.5 mrem per quarter to any organ.
- c. Liquid Effluents: 1.5 mrem per quarter total body and 5 mrem per quarter to any organ.
- 2. Maximum Permissible Concentrations
- Provide the MPC's used in determining illowable releases rates or concentrations.
- a. Fission and activation gases: 1 MPC
- b. lodines: 1 MPC
- c. Particulates, half lives > 8 days: 1 MPC
- d. Liquid effluents: 1 MPC
- 3. iAverace Enercy Not applicable.
- 4. Measurements and Annroximations of Total Radioactivuv Provide - the methods used to- measure or approximate the total radioactivity in-effluents and the methods used to determine radionuclide composition.
- a. . Fission and activation gases: Determined by gamma spectroscopy. Total error is based on stack flow error,' analytical error and calculated sampling error.
- b; . Iodines: Determined ' by collection o_n charcoal with subsequent gamma spectroscopy analysis. Total error is based on stack flow error, analytical error and calculated sampling error, i
l' r
9203030168 920226 PDR ADOCK 05000443 R PDR l
. . ~ . , , . _ . . . _ . . _ . . . , . _ _ . ~ _ . , . ~ . , . . . . - . _ . . _ . . . . . _ _ _ - _ . . . . _ _ . . . _ _ , _ . , . . , . . _ _ _ . . _ , _ , , , _ _ , _ . - . _ . , . . ,
Page 2
- c. Particulates: . Determined by collection on fixed filter with subsequent gamma spectroscopy analysis. Strontium is determined by composite analysis of filters by liquid scintillation, gross alpha. by proportional counter, and iron 55 by liquid scintillation. Total error is based on stack flow error, analytical error and calculated sampling error.
- d. Liquid Effluents: - Determined by gamma spectroscopy. A composite sample is analyzed for strontium by. liquid scintillation, tritium by liquid scintillation, alpha by proportional counter, and iron 55 by liquid scintillation. Total error is based on the volume discharge error and analytical error.
- 5. Batch Releases Provide th:: following information relating to batch releases of radioactive materials I in liquid and gaseous effluents.
- a. Liquid
- 1. Number of batch releases: 113
- 2. Total time for batch releases: 32710 minutes
- 3. -Maximum time period for batch releases: 1270 minutes 4 Average time period for batch release: 289 minutes
- 5. Minimum time period for a batch release: 85_ minutes
- b. Average stream flow during periods of release of effluent into u_ flowing stream: 1.33 E06 liters per minute.
- b. Gascous
- 1. Number of batch releases: 43
- 2. ' Total time period for batch releases: 21400 minutes
,- 3. Maximum time period for a batch release: 5460 minutes
-4. Average time period for batch releases: 498 minutes
- 5. Minimum time f riod for a batch releases: 0.02 minutes
- 6. Abnormal Releases
- a. Liould p
- 1. Number of releases: 0
- 2. Total activity releases: N/A
- . b. Gaseous l
L- - 1. Nitmber of rescases: 0
- 2. Total activity released: N/A n
l
TMRE 1A EFRUENT AND WASTE DISPOSAL SEM1ANtC A TIOTT 1991 GASEOUS EFRUENTSSUMMAllON OF ML FMASES Ouarter Quarter Est. Total Unit 4 Error %
1 3 SEABROOK STA110h A. fission & activation gases '
l 2.29 E-00 1.70 [+01 Ci 7.25 E-01
- 1. lotal release 9.12 E-02 2.88 E-01 SCl/sec
- 2. Average release rate for period 5.00 E-04 N 0
Percent of technical specification limit % 9.68E-03{
3.
B lodines 1.50 [+01 1.79 E-05 ND Cl
- 1. lotal todine-131 2.25 E-06 NA kC1/sec 5 . Average release rate for period
% 7.59 E-02 1.36 E-02
- 3. Percent of technical specification limit C. Particulates 1.80 E*01 C1 1.08 E-03 2.08 E-05
- 1. Particulates with half-lives >B days pct /sec 1.36 E-04 2.62 E-06 2 Average rele4se rate for period 4 7.59 E-02 l.36 E-02
- 3. Percent of technical specification limit ND HD Ci
- 4. Gross alpha radioactivity D. Trl,fum 3.66 E-00 1.60 E+01 Cl 7.25 E-00
- 1. Total release 9.13 E-01 4.60 E-01 Average release rate for period >Cl/sec 2.
% 7.59 E-02 1.?5 E-02
- 3. Percent of technical specification limit ND = none detected (1) Based on the ganni air dose.
- ---- _ __ ~ ~ - - - > -
~ . . ._,_. __ __m. .-.. _ . . . . . ....-.m._ - . . _ _ _ _ - _ _ _ _ . . . . . _ _ _ _ -._ ._
TABLE 1B l EFluiENT AND WASTE DISPOSAL SEM1 ANNUAL MFCRT 1901 GASEOUS DT1UENTS-ELIVATED ELEASFS CONTINVOUStiDDE BAICH MDDE Unit Quarter Quarter Quarter Quarter Nuclides Released 1 3 4 3 1. Itssion gases krypton-85 Cl ND ND ND- E
~ krypton-85m Cl ND ND 2.50 E-03 1.38 E-02 krypton-87 C1 ND ND ND 3.231-01 krypton-88 Cl ND ND ND L 64 E-03 xenon-133 Cl ND ND 5.46 E-01 1.26 E-01 menon 135 Cl ND ND 1.23 E-Ol . 9.57 E-02 menon-135m Cl ND ND ND 2.70 E-03 xenon-138 Ci ND ND f 1.22 E-02 Others(specify) Cl E E E E Cl E E E E unidentified Cl ND ND ND ND Total for period Cl .ND ND 6.72 E-01 2,86 E-Ol B. lodines lodine 131 Cl 1.79 E-05 ND ND l ND todine 133 Cl ND ND ND ND iodine-135 Ci ND ND ND ND Total for period Ci 1.79 E-05 ND ND ND C. Particulates strontium-89 C1 ND ND ND ND 5trontlum-90 C1 ND ND ND ND 4
ceslum-134 Cl ND . ND ND ND-4 cesium-137. Ci ND HD ND ND barium-lanthanum-140 Cl ND- ND ND ND niobium-95 C1 4.32 E-05 ND ND ND cobalt-58 Cl 5.25 E-04 1.65 E-05 ND ND cobalt-60 C1 6.80 E-05 ND ND ND chrcmium-51 'Cl 3.32 E-04 ND ND ND l
Iron-59 C1 3.0? E-05 ND ND ND i manganese-54 . C1 6.22 E-05 ND ND ND I
l zirconium-95= C1 2.08 E-05 ND ND ND beryllium-7. .Cl ND 3.98 E-06 ND ND ND = none detected l
. = , . - - . -,.- . _ _ - , - -.- - - - . ,
__ -- - , -. . .- u - - . ~ . - - . - - .... . . . _ . .~- ~ . - . - - ~
~_ ~ . _ - .
TMILE 10 ETRUENT AND WASTE OtSPOSAL SEMLANNUAL TEPORT 1991
- GASEOUS ETTLUENTSGROUND LEVEL RELEASES CONTINUOUS MDDE BAICH MODE Unit Quarter Quarter Quarter Quarter Nuclides Released 1 3 4 3 4
- 1. Fission gases krypton-85 Ci ND ND ND ND krypton-85m Ci ND ND ND ND krypton-87 Cl ND ND ND ND krypton-88 Cl ND HD ND ND xenon-133 Ci ND ND ND ND xenon-135 Cl ND HD ND ND nenon.135m Cl ND ND ND ND xenon 138 Cl ND ND ND ND
-Others(specify) L1 E E E E Cl E E E E Ci E E E E unidentified Ci E E E E Total for period Ci ND ND ND ND l
B. Todines lodine.131 Cl ND ND ND ND iodine.133 Ci ND ND ND ND i .todine-135 Cl ND ND ND ND l
1_ Total for period l Ci ND ND ND ND l
C. Particulates strontlum-89 Cl ND ND ND ND strontium-90 Cl ND ND ND ND cesium-134 Cl ND . ND ND ND Ce5 lum-137 Ci ND ND ND ND barlum-lanthanum-140 C1 ND ND ND ND Others-(spectfy) Cl E E E E cobalt-58 Cl ND ND 4.89 E-07 3.17 E-07 technetium-99m Ci ND ND 2.84 E-07 ND l'
manganese-54 Ci ND ND 2.60 E-06 ND
- l. unidentifled Cl ND ~ND ND ND 1:
i ND = none detected I
. .. . _ . . __ _ _ . -_ --._ - _ - _. _ _ _ . . . .__ ._..._ m__
1ABLE 2A EJTLUENT AND WASTE DISPOSAL SEM1 ANNUAL REPOrn 1991 UQUID EJFLUENTS-SUMMATION OF ALL RELEASEG Unit Quarter Quarter Est. Total 1 3 4 Error, %
A. Fission and activstion products
- 1. Total release (not including tritium, gases, alpha) C1 1.52 E 02 9.93 E-02 6.00 E-00
- 2. Average diluted concentration during period pC1/ml 4.71 E-11 1.36 E-10
- 3. Percent of applicable limit 4 2.76 E-02(O 4.90 E-02(O D. Irltium
- 1. Total release Cl 1.48 E+02 4.86 E+01 8.00 E 2. Average diluted concentration during period pCi/mi 3.16 E-07 6.77 E-08
- 3. Percent of applicable limit t .* .76 E-02(U 4.90 E-02(U C. Dissolved and entrained gases
- 1. Total release C1 ND ND 1.90 E+01
- 2. Average diluted concentration during period- pCl/mi NA NA
- 3. Percent of applicable limit % NA NA D. Gross alpha radioactivity
- 1. Total release Ci N0 N0 1.00 E+01 E. Volune of waste released (prior to dilution) liters 5.12 E+07 7.80 f+07 1.30 E-00
?
F. Volume of dilution water used during period liters 1.24 E+11 1.90 E'll 9.00 E-00 ND = none detected (1) Based on the maximum organ dose.
l l
--,e--me--ww =ge-*ecm *m sp Tm*'--
' TABLE 20 EfRUENT AND WASTE DSPOSAL SEMANNUAL REPC3T 1991 UQUID EFTLUENTS CONTINUOUS MDDE BATCH MDDE Unit Quarter. Quarter Quarter Ouarter Nuclides Released 1 3 4 3 4 strontlumi89 Cl ND ND ND ND strontlum 90 Cl ND ND ND ND ceslum-1$4 C1 ND ND ND ND cesium-137 Cl ND 6.85 E-05 ND ND
-todine-131 C: I:D ND ND ND cobalt-58 Ci 5.13 E-03 7.29 E-02 9.11 E-03 1.03 E-02 cobalt-60 Cl 1.46 E-04 2.24 E 03 3.62 E-04 4.18 E-04 tron-59 Cl ND 2.C7 E-04 3.32 E-04 3.99 E-04 zinc-65 Cl ND ND ND ND manganese 54 Cl 9.72 E-05 1.22 E-03 1.81 E-04 2.53 E-03 chromium-51 C1 ND ND 7.30 E-04 ND zirconium-nlobium-95 Cl ND 3.67 E-05 9.18 E-05 2.53 E-05 molybdenum-99 Cl ND ND ND - ND technettum-99m Ci ND ND ND ND barium-lanthanum-140 Cl ND ND ND ND certum-141 Cl ND NO ND ND 2
Colbalt-57 Cl 6.64 E-06 ND ND ND Sodium-24 C1 ND ND ND 1.46 E-05 Iron-55 Ci 5.99 E-05 ND ND 2.73 E-03 Antimony-124 Ci ND ND 6.97 E-05 8.85 E-04 Antimony-125 Ci ND ND 3.01 E-04 5.37 E-03 Bromine-82 Cl ND ND 5.87 E-06 ND Tocalforperiod(above) Cl 5.44 E-D3 7.66 E-02 1.12 E-02 2.27 E-02 xeron-133 C1 ND ND ND ND xenon-135 Cl ND ND ND -ND ND = none detected p
,e<.
.. -. . . - . . _ -~ .. - . ~ . .. . _ . . . . _ . -- . . --. . ._.
- TABLE 3 !
EFTWENT AND WASTE DISPOSAL SEM1 ANNUAL llEPORT 1991 SOLID WASTE AND itV1ADLATED FUEL SHIPMENTS A SOUD WASTE SHIPPED CNTSrTE FOR DURAL OR DISPOSAL (Pbt irradiated fuet)
Unit first Est. Total 6-punth Er or, 4
- 1. Type of waste . NONE Perlod a Spent resins, filter sludges, evaporator m3 E l bottoms, etc Cl E E 1 3
b Dry cog ressible wa te, contaminated m E !
equip, etc Cl E E e Irradiated components, control rads etc m3 E Cl E E 3
d Other(described) m E Cl E E
- 2. Estimte of major. nuclide comosition (by type of waste)
- a. N/A -
b, C,
I d.
l-l
- 3. Solid Waste Disposition Nuntier of Shiprvnts . H<x1e of Transportation Destination NONE l~
B. IRRADtATED FUEL SHIPMENTS (Disposition)
Nunt)er of Shipnents Mode of Transportation. Destination NONE
- . .. .- . -- - . - - . - . - . - - - - . . . . . - . .... - . ~ _ . . -
4 W 88
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- 88 88 "Du 88 *88
- g. g o 5
? *88 88 88 "*5 "E8 88 88 "88 g j g R b 88
- 88 88 "85 "WB m
88 88 "88 I
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- 8. 8 88 *88 " 8. 5 88 8. 8 88 "*5 .
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TABLE 4A i
.SEABROOK JAN91-DEC91 MET DATA J0!NT FREQUENCY DISTRIBUTION (210-F00T TOWER) 43.0 FT Wiko DAT A - STABILITY CLASS B CLASS FRE2JERCY (PERCENT) = 2.40 I .['
WINO DIRECTION FROM s
1 .
I
! SPEED (MPN) N NNE NE Ekt E ESE SE SSE $ . SSW SW WSW W WWW NW WWW VRBL TOTAL i CALM 0 0 0 0 0 0 0. 0 0 0 0 0 0 0 0 0 0 0 !
(1) .00 .00 ' .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00 .00 .00 .00 .00 !
(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 i C-3 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 3 '
(1) .00 .00 .00 .00 .00 .00 48 .00 .G0 48 .00 .00 .00 .00 48 .00 .00 1.44 (2) .00 .00 .00 .00 .00 .00 .01 .00 .00 .01 .00 .00 .00 .00 .01 .00 .00 .03 )
4-7 1 0 0 1 10 3 2 1 0 0 0 1 4 3 1 1 0 28 (1) 48. .00 .00 48 4.78 1.44 96 48 .00 .00 .00 .48 1.91 1,44 48 48 .00 13.40 l (2) .01 .00 .00 .01 .12 .03 .02 .01 .00 .00 .00 .01 .05 .03 .01 .01 .00 .32 j S-12 1 2 7 15 13 8- 9 5 0 2 6 17 19 14 13 4 0 135 (1) 48 .96 3.35 7.18 6.22 3.83 4.31 2.39 .00 .96 2.87 8.13 9.09 6.70 6.22 1.91 .00 64.59 (2) .01 .02 .08 .17 .15 .09 .10 06 .00 .02 .07 .20 .22 .16 .15 .05 .00 1.55 13-18 1' O 1 3 0 0 1 0 0 1 1 3 2 7 20 1 0 41 I (1) 48 .00 48 1.44 .00 .00 .48 .00 .00 48 48 1.44 .96 3.35 9.57 48 .00 19.62 .
(2) .01 .00 .01 03 .00 .00 .01 .00 .00 .01 .01 .03 .02 .08 .23 .01 .00 47 I i
19-24c 0 0 0, 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 l (1) .00 .00 .00- .00- .00 .00 .00 .00 .00 .00 .00 .00 .v 48 48 .00 .00 .96 t, (2)- .00 .00 ' .00' .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .01 .00 .00 .02 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ;
(1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 i (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 t
ALL SPEEDS .3 2 8 19 23 *1 13 6 0 4 7 21 25 25 36 6 0 209 !
(1) 1.44 .96 3.83 9.09 11.00 5.26 6.22 2.87 .00 1.91 3.35 10.05 11.96 11.96 17.22 2.87 .00 100.00 , ,
(2) .03- .02 .09 j. 22 .26 .13 .15 .07 .00 .05 .08 .24 .29 .29 41 .07 .00 2.40 :
(1)= PERCENT OF ALL C000 CBSERVATIONS FOR THt$ PAGE (2)= PERCENT OF ALL 0000 OBSERVATIONS FOR THIS PERIOD l
+ C= CALM (WIND SPEE0 LESS THAN OR EQUAL To .95 MPM) 1 l
Y
~
m
TABl.E 4A SEABROOK JAN91-DEC91 MET DATA JOINT FREQUENCY DISTRIBlJTION (210-F00T TOWER) 43.0 FT WINO DATA STABILITY CLASS C CLASS FREQUENCY (PERCEWT) = 5.21 WIND OIRECTION FROM SPEED (MPN) N NNE NE ENE E ESE SE SSE S SSV SW VsW W WNW NW NNW vr6L TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
, (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C-3 2 0 0 2 0 0 0 0 0 0 0 3 2 0 0 0 0 9 (1) 44' .00 .00 44 .00 .00 .00 .00 .00 .00 .00 .66 44 .00 .00 .00 .00 * . 99 (2) .02 .00 .00 .02 .00 .00 .00 .00 .00 .00 .00 .03 .02 .00 .00 .00 .00 .10 .
)
4-7 3 2 0 3 14 9 4 1 1 1 8 10 19 14 16 7 0 112 (1) .66 44 .00 .66 3.09 1.99 .88 .22 .22 .22 1.77 2.21 4.19 3.09 3.53 1.55 .00 24.72 ,
(2) .03 .02 .00 .03 .16 .10 .05 .01 .01 .01 .09 .12 .22 .16 .18 .08 .00 1.29 8-12 9 3 7 33 11 8 24 6 1 3 22 22 35 32 19 10 0 245 (1) 1.99 .66 1.55 7.28 2.43 1.77 5.30 1.32 .22 .66 4.86 4.86 7.73 7.06 4.19 2.21 .00 54.08 ;
(2) .10 .03 .08 .38 .13 .09 .28 .07 .01 .03 .25 .25 40 .37 .22 .12 .00 2.82 13-18 1 0 9 2 0 0 1 1 0 1 8 6 4 13 26 1 0 73 (1) .22 .00 1.99 44 .00 .00 .22 .22 .00 .22 1.77 1.12 .88 2.87 5.74 .22 .00 16.11 (2) .01 .00 .10 02 .00 .00 .01 .01 .00 .01 .09 .07 .05 .15 .30 .01 .00 .84 19-24 d 0 0 0 0 0 0 0 0 0 0 0 0 7 7 0 0 14 3 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1.55 1.55 .00 .00 3.09 (2) .00 .00 - .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .08 .08 00 .00 .16
- CT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ;
(1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 15 5 16 40 25 17 29 8 2 5 38 41 60 66 68 18 0 453 (1) 3.31 1.10 3.53 8.83 5.52 3./5 6.40 1.77 44 1.10 8.39 9.05 13.25 14.57 15.01 3.97 .00 100.00 (2) .17 .06 18 46 .29 .20 .33 .09 .02 .06 44 47 .69 76 .78 .21 .00 5.21 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL G000 00 SERVAT 10NS FOR TMIS PERIOD
+ C= CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPM) i 3 !
TABLE 4A I
SEASROOK JAW 91-DEC91 MET DATA JOINT FREQUENCY DISTRIBUit0N (210-F00T TOWER) 43.0 FT WIND DATA STABILITY CLASS D CLASS FREQUENCY (PERCENT) = 48.61 WIND DIRECTION FROM SE SSE $ SSW SW WSW W WWW kW NEW V98L TOTAL SPEE0(MPM) N kWE hE ENE E ESE l 0 0 0 0 0 0 0 0 0 0 1 CALM 0 0 0 0 1 0 0
.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .02 (1) .00 .00 .00 .00 .02 .00 .00
.00 .00 .00 00 .00 .00 .00 .00 .00 .00 .00 .01
.00 i
(2) .00 .00 .00 .00 .01 24 19 17 18 38 28 28 36 0 335 C3 24 23 16 21 18 5 7 13
.1T .31 .57 45 40 43 90 .66 .66 .85 .00 7.v3 (1) .57 .54 .38 .50 43 .12 3.85
.08 .15 .28 .22 .20 .21 44 .32 .32 .41 .00 (2) .28 .26 .18 .24 .21 .D6 91 52 91 116 161 184 192 1 79 110 0 1810 4-7 112 65 89 79 103 66 120 42.83
.00 (1) 2.65 1.54 2.11 1.87 2.44 1.56 2.84 2.15 1.23 .60 2.15 1.05 2.74 1.33 3.81 1.85 4.35 2.12 4.54 2.21 4.24 2.60 2.06 1.27 .00 20.82 (2) 1.29 . 75 1.02 91 1.18 .76 1.38 1.05 41 18 64 147 180 165 213 183 42 0 1527 6-12 52 56 100 101 63 32 70 43 1.51 3.48 4.26 3.90 5.04 4.33 .99 .00 36.13 (1) 1.23 1.33 2.37 2.39 1,49 .76 1.66 .97
.00 17.57 (2) .60 .64 1.15 1.16 72 .37 .81 47 .21 .74 1.69 2.07 1.90 2.45 2.11 48 6 2 29 17 41 93 116 4 0 454 13-18 9 18 85 14 14 5 0 1
.02 .05 .69 40 97 2.20 2.74 .09 .00 10.74 (1) .21 43 2.01 .33 .33 .12 .00 .14
.00 .07 .01 .02 .33 .20 47 f.07 1.33 .05 .00 5.22 (2) .10 .21 .98 .16 .16 .06 0 2 to 12 12 1 0 78 19-24 0 0 21 3 16 0 0 0 0 1
.00 .00 .00 .02 .05 .24 .28 .28 .02 .00 1.85 (1) .00 .00 .50 .07 .38 .00 .00
.00 .00 .00 00 .01 .02 .12 .!4 14 .01 .00 .90 (2) .00 .00 .24 .03 18 .00 0 0 0 0 0 0 0 0 0 21 GT 24 0 0 18 0 3 0 0 0
.00 .00 .00 .00 .00 .00 00 00 .00 .00 .50 (1) .00 .00 .43 .00 .07 .00 .00
.00 .00 00 .00 .00 .00 .00 00 .00 .00 .24 (2) .00 .00 .21 .00 .03 .00 .00 95 176 310 37B 4 38 538 515 193 0 4226
. ALL SPEEDS 197 162 329 215 218 108 197 151 .00 100.00 (1) 4.66 3.83 7.79 5.16 5.16 2.56 4.66 3.57 2.25 4.16 7.34 8.94 10.36 12.73 12.26 4.57 .00 48.61 (2) 2.27 1.86 3.78 2.51 2.51 1.24 2.27 1.74 1.09 2.02 3.57 4.35 5.04 6.19 5.96 2.22 (1)dERCENT Of ALL Gorm OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL 0000 00$ERVATIObs FOR THIS PERICO
+
C= CALM (WIND SPEED LESS TMAN OR EDUAL 10 .95 MPH) 4 L
l TABLE 4A.
i SEABROCK JAN91-DEC91 MET DATA JOINT FREQUENCY DISTRIBUTION (210-F00T TOWER) 1 43.0 FT tstND CATA STABILITY CLASS E CLASS FREQUENCY (PERCENT) = 27.39 WINO DIRECTION TROM i
SPEED (MvH) W NhE NE ENE E ESE SE SSE S SSV SW ' WSW W WNW W NNW WBL TOTAL i
LllM e 0 0 0 0 0 0 0 0 0 1 0 0 . 0 1 0 0 2 (i) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .04 .00 ~.00 .00 .C4 .00 00 .08 (2) .00 - .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .00 .01 .00 00 .02 C-3 30- 33 17 18 13 18 16 to 42 62 54 55 ' 73 62 41 34 0 578 ,
(1) 1.26 1.39 .71 .76 .55 .76 .67 42 1.76 2.60 2.27 2 31 3.07 2.60 1.72 1.43 .00 24.28 (2) .35 .38 .20' .21 .15 .21 .18 .12 48 .71 .62 .63 .84 .71 47 .39 .00 6.65 4-7 36 18 19 26 34 15 23 28 69 124 135 281 223 173 100 46 0 1350-(1) 1.51 .76 .80 1.09 1.43 .63 97 1.18 2.90 5.21 5.67 11.80 9.37 ' 7.27 4.20 1.93 ' .00 56.70 (2) .41 .21 .22 .30 .39 .t7 .26 .32 .79 1.43 1.55 3.23 2.57 1.99 1.15 .53 00 15.53 8-12 6 7 15 7 6 2 5 5 1 22 78 123 46 56 26 3 0 . 408 (1) .25 .29 .63 .29 .25 .08 .21 .21 .04 .92 3.28 5.17 1.93' 2.35 1.09 .13 .00 17.14 (2) .07 .08 .17 08 .07 .02 .06 .06 .C1 .25 .90 1.41 .53 .64 .30 .03 .00 4.69 13 1 0 4 5 0 1 0 0 1 1 6 4 4 4 3 0 0 34 (1) .04 .00 .17 .21 .00 .04 .00. .00 .04 .04 .25 .17 .17 .17 13 .00 .00 1.43 (2) .01 .00 .05 .06 .00 .01 .00 .00 .01 .01 .07 .05 .05 .05 .03 .00 .00 .39 19-24 0 0 0 0 2 0 0 0 0 0 0 0 0 2 1 0 0 5 (1) .00 .00 .00 .00 .08 .00 .00 .00 .00 .00 .00 .00 .00 .08 .04 .00 .00 .21 (2) .00 .00 .00 .00 .02 .00 .00 .00 .00 .00 .00 .00 .00 .02 .01 .00 00 .06 GT 24 0 0 2 0 1 0 0 0 0 0 0 0 0 0 1 0 0 4 (1) .00 .00 .08 .00 .04 .00 .00 .00 .00 .00 .00 .00 .00 .00 .04 .00 .00 .17 (2) .00 .00 .02 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .05 ALL SPEEDS 73 58 57 56 56 36 44 43 113 209 274 463 346 297 1 73 83 0 2381 (1) 3.07 2.44 2.39 2.35 2.35 1.51 1.85 1.81 4.75 8.78 11.51 19.45 14.53 12.47 7.27 3.49 00 100.00 (2) .84 .67 .66 .64 .64 .41 .51 49 1.30 2.40 3.15 5.33 3.98 3.42 1.99 .95 00 27.39 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PACE (2)= PERCENT OF ALL C000 OBSERVATIONS FOR Tat!S PERIC' C= CALM (WIND SPEED LESS THAN OR EQUAL To .95 w n) 5
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4 SEASROOlt JAN91-DEC91 MET CATA JOINT FREQUENCY DISTRIBUTION (210-F00T TOWER) 43.0 FT WIKO DATA STA5tLITY CLASS ALL CLASS FREQUENCY (PERCENT) = 100.00 [
i WIND DIRECTION FROM i
SPEED (MPN) W WNE NE EWE E ESE SE SSE $ SSW ' sw usu W WwW NW swW VRBL TOTAL !
CALM 2 3 2 1 2 0 0 0 0 0 3 4 1 1 2 0 0 21 !
(1) .02 .03 .02 .01 .02 .00 .00 .00 .00 .00 .03 .05 .01 .01 .02 .00 .00 .24 i (2) .02 .03 .02 .01 .02 .00 .00 .00 .00 .00 .03 .05 .01 .01 .02 .00 .00 .24 ;
C-3 70 71 51 61 36 31 29 30 86 114 142 194 269 262 153 98 0 1697 !
(1) .81 .82 .59 .70 .41 .36 .33 .35 .99 1.31 1.63 2.23 3.09 3.01 1.76 1.13 .00 19.52 (2) .81 .82 .59 .70 .41 .36 .33 .35 .99 1.31 1.63 2.23 3.09 3.01 1.76 1.13 .00 19.52 <
i 4-7 157 86 109 115 1s6 96 153 1 23 933 230 304 5 73 557 484 404 1 77 0 3677 ,
7 (1) 1.81 .99 1.25 1.?? 2.02 1.10 1.76 1.41 1.53 2.65. 3.50 6.59 6.41 5.57 4.65 2.04 .00 44.60 }
(2) 1.81 .99 1.25 1.32 2.02 1.10 1.76 1.41 1.53 2.65 3.50 6.59 6.41 5.57 4.65 2.04 .E1 44.60 ,
8-12 68 69 129 162 104 51 114 58 20 91 254 349 269 317 243 62 0 2360 -
i (1) .78 . 79 1.48 1.86 1.20 .59 1.31 .67 .23 1.05 2.92 4.01 3.09 3.65 2.80 .71 .00 27.15
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' 13-18 12 18 101 28 14 6 4 7 2 5 44 30 51 119 167 6 0 614 :'
- (1) .14 .21 1.16 .32 .16 .07 .05 .05 .02 06 .51 .35 .59 1.37 1.92 .07 .00 7.06 l (2) .14 .21 1.16 .32 ' .16 .07 .05 .08 .02 .06 .51 .35 .59 1.37 1.92 .07 .00 7.06 r
! '19-24 0 0 21 3 18 0 0 0 0 0 1 2 to 22 21 1 0 99 [
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}
l' ALL SPEEDS 309 247 433 3 70 354 184 300 218 241 440 748 1152 1157 1205 991 344 0 8693 l (1) 3.55 2.84 4.98 4.26 4.07 2.12 3.45 2.51 2.77 5.06 8.60 13.25 13.31 13.86 11.40 3.96 .00 100.00 i i
(2) 3.55 2.84 4.98 4.26 4.07 2.12 3.45 2.51 2.77 5.06 8.60 13.25 13.31 13.86 11.40 3.96 .00 100.00 ;
f l (1)* PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE 'l (2)= PERCENT OF ALL GOOO OBSERVATIONS FOR TMIS PERIOD
+ C= CALM (WIND SPEED LESS THAN OR EQJAL.TO 95 MPM) ,,!
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+
TABLE 4A SEABROOK JAN91-DEC91 MET DATA JOINT FitEQUENCY DISTRIBUTION (210-F00T TOWER) 209.0 FT WIND DATA STABILITY CLASS 0 CLASS FREQUENCY (PERCENT) = 48. 4 WIND O!RECTION FRCM SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW .W N#W vtBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 - .00 .00 .00 .tv .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C-3 16 6 7 8 12 4 2 5- 5 15 11 7 13 10 10 7 0 118 (1) .39 .14 .17 .19 .29 .10 .05 .12 .12 .36 .26 .17 .31 .24 .24 .17 .00 3.32
, (2) .19 .07 .08 ' .09 .14 .05 .02 ' .06 .06 17 .13 - .08 .15 .12 12 .08 .00 1.61 4-7 63 49' 53 67 46 55 62 44 38 48 57 56 67 84 67 79 0 935 (1) 1.52 1.18 1.28 1.61 1.11 1.32 1.49 1.06 .91 1.16 1.37 1.35 1.61 2.02 1.61 1.90 .00 22.50 (2) . 73 .57 .62 .78 .54 .64 - .72 .51 .44 .56 .66 .65 .78 98 .78 .92 .00 10.90 3 8-12 90 49 89 85 56 51 91 73 47 78 117 150 150 175 151 66 0 1518 (1) 2.17 1.15 2.14 2.05 1.35: 1.23 2.19 1.76 1.13 1.88 2.82 3.61 3.61 4.21 3.63 1.59 .00 36.53 (2) 1.05 .57 1.04' .99 .65 .59 1.06 .85 .55 .91 1.36 1.75 1.75 2.04 1.76 .77 .00 17.70 13-18 38 52 70 31 22 to 34 36 15 35 111 136 127 184 158 25 0 1084 (1) .91 1.25 1.68 .75 .53 .24 .82 .87 .36 .84 2.67 3.27 3.06 4.43 3.80 .60 .00 26.09 (2) 44 .61 .82 .36 .26 .12 .40 42 .17 41 1.29 1.59 1.48 2.15 1.84 .29 .00 12.64 19-24 11 37 47 7 9 4 1 8 0 0 22 8 41 70 78 5 0 '348 (1) .26 .89 1.13 .17 .22 .10 .02 .19 .00 .00 .53 .19 .99 1.68 1.88 .12 .00- 8.38 (2) .13 .43 .55 .08 .10 .05 .01 .09 .00 .00 .26 .09 48 .82 91 .06 .00 4.06 GT 24 1 16 42 3 15 1 0 0 0 1 1 2 18 20 12 0 0 '132 (1) .02 .39 1.01 .07 .36 .02 .00 00 .00 .02 .02 .05 .43 48 .29 .00 .00 3.18 (2) .01 .19 49 .03 .is .01 .00 .00 .00 .01 .01 . 02 .21 .23 .14 .00 .00 1.54 ALL SPEEDS 219 209 308 201 160 125 190 166 105 177 319 359 416 543 476 182 0 4155 (1) 5.27 5.03 7.41 4.84 3.85 3.01 4.57 4.00 2.53 4.26 7.68 8.64 10.01 13.07 11.46 4.38 .00 100.00 (2) 2.55 2.44 3.59 2.34 .1.87 1.46 2.22 1.94 1.22 2.06 3.72 4.19 4.85 6.33 5.55 2.12 .00 48.44 (1)=PER0ENT OF ALL GOED OBSERVAi!ONS FOR THIS PAGE (2)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIOD
+ C= CALM (WIND SPEED LESS THAM OR EQUAL TO 95 MPM) 12
4 4
- j. TABLE 4A i
i
- SEABROOK JAN91-DEC91 MET DATA JolNT FREQUENCY DISTRIBUTION (210-F00T TOWER) a' 209.0 FT WIND DATA STABILITY CLASS E CLASS FREQUENCY (PERCEWT) = 27.48 ' ,
1 I I
WIND DIRECTION FROM
!. SPEED (MPN). W WWE NE ENE E 'ESE SE SSE S SSW SW WSW W WWW NW WWW VR8L TOTAL CALM 0- 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 2 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .04 .00 .00 .00 .00 .00 .04 .00 .08 f (2) .00 .00 .00 .00 .00 .00 .00 .00 00 .01 .00 .00 .00 .00' .00 .01 .00 .02 .!
C-3 7 6 8 10 5- 3 1 8 6 11 to 3 3 5 5 6 0 97 (1) .30 .25 .34 . 42 .21 .13 .04 .34 .25 .47 .42 .13 .13 .21 .21 .25 .00 4.12 .,
I (2) .08 .07 .09 .12 .06 .03 .01 .09 07 .13 .12 .03 .03 .06 .06 .07 .00 1.13 i
' 4-7 29 25 23 15 13 16 26 25 33 47 36 27 33 35 36 20 0 439 (1) 1.23 1.06 98 .64 .55 .68 1.10 1.06 1.40 1.99 1.53 1.15 1.40 1.48 1.53 .85 .00 18.63
- (2) .34 .29 .27 .17 .15 .19 .30 .29 .38 .55 42 .31 .38 41 42 .23 .00 5.12 4
8-12 32 32 22 14 11 7 18 25 /P 120 137 168 136 130 108 16 0 1065 4 (1) 1.36 1.36 93 .59 47 .30 .76 1.06 2.93 5.09 5.81 7.13 5.77 5.52 4.58 1.53 .00 45.18 j : (2). .37 .37 .26 .16 .13 .08 .21 .29 .80 1.40 1.60 1.96 1.59 1.52 1.26 .42 .00 12.42 13-18 16 14 11 5 6 2 4 8 6 32 120 202 98 111 52 7 0 694
.17 .30 .00 (1) .68 .59 47 .21 .25 .08 .34 .25 1.36 5.09 8.57 4.16 4 . 71 2.21 29.44 (2) .19 .16 .13 .06 .07 .02 .05 .09 .07 .37 1.40 2.36 1.14 1.29 .61 .08 .00 8.09 19-24 2 2 5 3 0 0 0 0 0 1 7 6 14 5 4 0 0 49 I (13 .08 . .08 .21 .13 .00 .00 .00 . 00 .00 .04 .30 .25 .59 .21 .17 .00 .00 2.08 r l (2) .02 .02 .06 .03 .00 .00 .00 .00 .00 .01 .08 .07 .16 .06 .05 .00 .00 .57 l GT 24 0 0 2 0 3 1 0 0 0 1 0 0 0 2 2 0 0 11 l (1) .00 .00 .08 .00 .13 .04 .00 .00 .00 .04 .00 .00 .00 .08 .08 .00 .00 47
, (2) .00 .00 .02 .00 .03 .01 .00 .00 .00 .01 .00 .00 .00 .Q2 .02 .00 .00 .13 ALL SPEEDS 86 79 71 47 38 29 49 66 114 213 310 406 284 288 207 70 0 2357 (1) 3.65 3.35 3.01 1.99 1.61 1.23 2.08 2.80 4.84 9.04 13.15 17.23 12.05 12.22 8.78 2.97 .00 100.00 j (2) 1.00 .92 .83 .55 .44 - .34 .57 . T7 1.33 2.48 3.61 4.73 3.31 3.36 2.41 .82 .00 27.48 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL GOOD OBSEEVATIONS FOR THIS PER100
+ C= CALM (Wluo SPEED LESS TRAN OR EcuAL To .95 MPM) l l
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TABLE 4A l
i SEABROOK JAN91-0EC91 MET DATA JOINT FREQUENCY DISTRIBUTION (210-F00T TOWER) 209.0 FT WIND DA1A STABILITY CLASS G CLASS FREQUENCY (PERCENT) = 6.05 :
.[
WIND DIRECTION FROM i SPEE0(MPN) N NNE ' *E ENE E ESE SE SSE S SSW ' SW WSW W WW NW NNW WRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ,
(1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .De "10 .00 .00 >
(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ,
C-3 3 1 2 0 2 1 1 2 2 3 2 3 2 3 4 3 0 34 ,
(1). .58 .19 .39 .00 .39 .10 .19 .39 .39 .58 .39 .58 .39 .58 77 .58 .00 6.55
, (2) .03 .01 .02, .00 .02 .01 .01 .02 .02 .03 .02 .03 .02 .03 .05 .03 .00 40 l e i 4-7 10 3 5 2 7 1 4 13 3 14 17 13 16 18 10 11 0 147 r (1) 1.93 .58 .% .39 1.35 .19 .77 2.50 .58 2.70 3.28 2.50 3.08 3.47 1.93 2.12 .00 28.V 4 (2) .12 .03 .06 .02 .08 .01 .05 .15 .03 .16 .20 .15 .19 .21 .12 .13 .00 1.71 ;
8-12 17 4 '4' 1 0 1 & 2 13 15 16 16 47 50 49 23 0 262 :
(1) 3.28 .TT .77 .19 .00 .19 .77 .39 2.50 2.89 3.08 3.08 9.06 9.63 9.44 4.43 .00 50.48 l (2) .20 .05 ' .05 .01 .00 .01 .05 .02 .15 .17 .19 .19 .55 .58 .57 .27 .00 3.05 t i
13-18 2 0 0' O O O O O O 2 5 15 16 11 14 10 0 75 f i (1) .39 .00 .00 .00 .00 .00 .00 .00 .00 .39 .% 2.89 3.08 2.12 2.70 1.93 .00 14.45 (2) .02 .00 .00 .00 .00 .00 .00 .00 .00 .02 .06 .17 .19 .13 16 12 .00 .87 !
I 19-24 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 ;
l (1) .00 .00 .00 .00 .00 .00 .00 .00 .0J .00 .00 .00 .19 .00 .00 .00 .00 .19 !
(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .00 .00 .01 i GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 {
(1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00 .00 .00 .00 .!
(2) .00 .00 .00 .00 .m .00 .m .00 .00 .00 .00 .00 .m .00 .00 .00 .00 .00 :
f ALL SPEEDS 32 8 11 3 9 3 9 17 18 34 40 47 82 82 77 47 0 $19 -!'
i (1) 6.17 ' 1.54 2.12 .58 1. 73 .58 1. 73 3.28 3.47 6.55 7.71 9.06 15.80 15.80 14.84 9.06 .00 100.00 (2) .37 .09 .13 .03 .10 .03 ." .20 .21 40 47 .55 .% .96- .90 .55 .00 6.05 L I
(1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PACE l (2)=FIRCENT OF ALL G000 OBSERVATIONS FOR TN!$ PERIOD
- + C= CALM (WING SPEED LESS TMAN OR EQUAL TO .95 MPN) ,
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TABLE 4A SEABROOK JAN91-CEC 91 NET DATA JOINT FREQUENCY DISTRIBUTION (210-F00T ToutR) l 209.0 FT WIND DATA STABILITY CLASS ALL CLASS FREQUEhCT (PERCENT) = 100.00 W!ko DIRECTION FROM kNE WE EWE E ESE SE SSE $ f!V SW WSW W WW WV *W VRSL 70'At
'"TEDfMPM) N 0 0 0 0 0 1 0 4 0 0 0 0 2 0 0 0 0 1 CALM .00 .05
.00 .02 .00 .00 .00 .00 .01 .00 .00 .00 .00 .00 .01 (1) .00 .00 .00 .00 .05
.00 .00 .02 .00 .00 . C') .00 .01 .00 .00 .00 .00 .00 .01 (2) .00 .00 I I
4 16 16 31 27 15 20 22 21 21 0 314 C-3 31 14 23 21 19 13
.15 .05 .19 .19 .36 .31 .1T .23 .26 .24 .24 .00 3.66 (1) .36 .16 .27 .24 .22
.05 .19 19 .36 .31 .17 .23 .26 .24 .24 .00 3.66 (2) .36 .16 .27 .24 .22 .15 93 84 119 149 112 140 152 135 125 0 '759 4-7 120 85 93 90 81 80 101
.93 1.18 1.08 98 1.39 1.74 1.31 1.63 1.77 1.57 1.46 .00 20.51 (1) 1.4C .99 1.08 1.05 .94
.00 20.51 (2) 1.40 .99 1.08 1.C5 94 .93 1.18 1.08 98 1.39 1.74 1.31 1.63 1.77 1.57 1.46 147 116 139 25 7 319 405 428 454 400 164 0 3567 8-12 177 98 133 143 112 75
.87 1.71 1.35 1.62 3.00 3.72 4.72 4.99 5.29 4.66 1.91 .00 41.59 (1) 2.06 1.14 1.55 1.67 1.31 .00 41.59 (2) 2.06 1.14 1.55 1.67 1.31 .87 1.71 1.35 1.62 3.00 3.72 4.72 4.99 5.29 4.66 1.91 17 54 63 22 80 279 427 326 3 79 288 54 0 2309 13-18 64 74 95 57 30
.63 .26 .93 3.25 4.98 3.80 4.42 3.36 .63 .00 26.92 (1) .75 .86 1.11 .66 .35 .20 . 73
.63 .73 .26 93 3.25 4.98 3.80 4.42 3.36 .63 .00 26.92 (2) .75 .86 1.11 .66 .35 .20 9 0 34 18 62 91 111 7 0 464 19-24 15 40 52 10 9 4 1 1
.01 .10 .00 .01 40 .21 . 72 1.06 1.29 .08 .00 5.41 (1) .17 47 .61 .12 .10 .05
.01 .10 .00 .01 40 .21 .72 1.06 1.29 .08 .00 5.41 (2) .17 .47 .61 .12 .10 .05 2 0 0 0 2 1 2 18 31 22 0 0 160 GT 24 1 16 44 3 18
.00 .00 .00 .02 .01 .02 .21 .36 .26 .00 .00 1.87 (1) .01 . ". 9 .51 .03 .21 .02
.00 .00 .00 .02 .01 .02 .21 .36 .26 .0L .00 1.87 (2) .01 .19 .51 .03 21 .02 0 8577 ALL SPEEDS 408 327 440 324 271 191 307 29? 261 491 809 979 994 1129 977 372 .00 100.00 (1) 4.76 3.81 5.13 3.78 3.16 2.23 3.58 3.46 3.04 5.72 9.43 11.41 11.59 13.16 11.39 4.34 .00 100.00 (2) 4.76 3.81 5.13 3.78 3.16 2.23 3.58 3.46 3.04 5.72 9.43 11.41 11.59 13.16 11.39 4.34 (1)=PERCFNT OF ALL COCD OBSERVATIONS FOR f uls PACE (2) PERCENT OF ALL GOG) OBSERVATIONS FOR TNIS PERIOD
+ C= CALM (W!aD SPEED LESS Tuw OR EQUAL 70 .95 MPa)
}b
I APPENDIX A Off Site Dose Calculation Manlal i I
Reauirement: Technical Specification 6.13.2.b requires that licensee initiated changes to the Off Site Dose Calculation Manual (ODCM) be submitted to the Commission in tbc Semiannual Radioactive Effluent Release Report for the period in which the change (s) was made effective. Changes made to ,
the Radiological Environmental Monitoring Program (REMP) in accordance ,
with Technical Specification 3.12.1 and 3.12.2 are to be included.
Resnonse: The following changes were made to the ODCM and REMP during the reporting period. It is noted that the REMP is contained within the ODCM:
. ODCM - July 1991 - Revision 8 - This change to Section B of the ODCM incorporated comments contained in USNRC Letter to T. C. ;
Feigenbaum, "Seabrook Offsite Dose Calculation Manual { TAC No.
77672)," dated January 31, 1991. '
. ODCM December 1491 - Revision 10 - This change to Section A and
> Section 11 of the ODCM incorporated recommendations made in USNRC Letter to T. C. Feigenbaum, 'Scabrook Offsite Dose Calculation Manual (TAC No. 77672)," dated July 17, 1991.
. REMP - October 1991 - Revision 9 Milk sample station TM-15 was added to the locations in Table B.4-1 and Figure B.4-2. The derived committed dose from the 1991 Land Use Cen us identified location TM 15 as having a dose 21% greater than a current sample location.
The criteria for adding a sample location to the program is a de.,e .
greater than 20%. Location TM 15 however does not meet the distance criteria of ODCM Table A.5-1. A footnote has been acided to ingestion Pathway location TM 15 locr.ted in Table D.4-1 to indicate that it'is no!.-
a required sample location as defined in Part A (Table A.5-1).
A copy of ODCM Revisions 8, 9 and 10 are enclosed in Appendix 11.
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e APPL!NDlX 11 Process Control Procram Heauirement: Technical Specification 6.12.2.a requires that licesisce initiated changs to the Procens Control Propam be submitted to the Commission in the Semlannual Radioactive liffluent Itclease Iteport for the period in which the changes (s) were made. !
i Resoonse: No chanFes were made to the Process Control Program during the scporting t period. !
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- nadioarthr 1iould Effluent Monitorine Instrumen1PJlun l
l Brouirement: Radioactive liquid effluent monitoring instrumeniction channels are required to be opesable in auordance with Technical Specification 3.3.3.9.b. Wit h less thwn the minimum number of channels operable for 30 days, Technical Specification 3.3.33.b requires that an explanation for the delay in correcting the inoperability be provided the next Semiannual !?f!1uent Release Report pursuant to Technical Specification 6.8.1.4.- ]
I \
Re<nonse: A review of the Action Statement Status tracking system aishive indicated l' Technical Specification 3.3.3.9 was nevet entered for more than 30 consecutive days during the reporting period (July 1, 1991 through December 31, 1991),
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l Radiotictive Gaseous liffluent Monitorine Instruinentation H e aub n.tgyti; i Radioactive Gaseous 1:f fluent Monitoring Instrumentation channels are required to be operable in accordance wit h Technical Specification , 3.3.3.10.b. With less than the minimum number of channels operable for 1 30 dap, Technical Specification 3.3.310.b requires that an explanation for the delay in correcting the inoperability be provided in the next Sernier nual liffluent Itclease Repost pursu nl to Technical Specification 6.8.1.4.
Resoonse: A review of the Action Statement Status tincLing sprem archive indicated Technical Specification 3.3.3.10 was never entered for more than 30 j' consecutive dap during the reporting period (July 1, 1991 through I December 31, 1991).
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i A"PFNDIX l' Lbluid fieldun Tanks (
Requirement: Technical Specification 3.11.1.4 limits the quantity of radioactive material >
contained in any temporary unprotected outdoor tank. With the quantity of radioacthe materialin any temporary unprotected outdoor tank cacceding the limits of Technical Specification 3.11,1.4, a description of the events ;
icading in this condition is required in the next Semiannual litflue nt i llelease Report pursuant to Technical Specification 6.8.1.4. -
ltes ponse: No temporary tanks exceeding the limits of Technical Specification 3.11.1.4 i were in use during the reporting period (July 1,1991 through December 31, 1991). )
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tainttnt M ittrus Egguir r nie n[ 'l echniCdl hpt(ifictittutt 6.14.1.4 t Cijuir C A tildt lilC nsCC initiat0d ChangCS to the Itadwaste Treatment Sy stems (!iquid, gaseous, and solid) bc subinitted to the Commission in the Semiannual Itadioactisc I ! fluent Ittleasc iteport for the period in which the c hanpc was inadr.
I Ruponse: No ruajor t-hanges wcre made to the Itadnaste Tecatment systems (liquid, gaseous and solid) dusing the s c por ting period ( .l uly 1, I'v>l through 1)ccetaber 31, l '"> l ) .
. . _ _ . - y~,-.,.__._____..___.--
APpFNDIN O linnlanned Iteleases l
Reovitement: Technical Specification 611.4 seguires a list and description of unplantied releases of radioactive materiak in gaseous and liquid effluents made during the reporting period from the site to UNilliSTitlCTl!D Alt!!AS.
lleson, se: An unplanned release of radioactivity occurred on September 30,1991, w hen lle nctor Coolant System wates was inadvertently introduced into the Dcmineralized Water System. The radioactive contamination of the Deminerali/ed Water System resulted in liquid releases via the ocean cooling water system.
Seabrook Station Technical Specification liquid effluent limitations werr not exceeded during this event.
4
Al'El'NDIN A Of f. Nite Dose Calculation Mnnual It c o uir e me nf Technical Specification 5.13.2.b seguires that licensee initiated changes to the Off-Site Dose Calculation Manual (ODCM) be submitted to the Commise, ion in the Semiannual Itadioactive !!fflucnt llelease Iteport for the period in which the change (s) was made effective. Changen made to the Itadiological linvironmental Monitoring Program (ItEMP) in accordance with Technical Specification 3.12.1 and 3.12.2 are to be included.
It e mo n se: The following changes were made to the ODCM and IllIMP during the reporting period. It is noted that the Ill!MP is contained within the ODCM:
- ODCM July 1991 llevision 8 This change to Section 11 of the ODCM inco:porated comments contained in USNitC Letter to T. C.
Felgenbaum, "Seabrook Offsite Dose Calculation Manual (TAC No.
77672),' dated January 31, 1991.
. ODCM December 1991 Itevision 10 This change to Section A and Section 11 of the ODCM incorporated recommendations made in USNI(C Letter to T. C. Peigenbaum. 'Seabrook Offsite Dose Calculation Manual (TAC No. 77672),* dated July 17, 1991.
- Ri!MP October 1991 llevision 9 Mi!L sample station TM 15 was added to the locations in Table 11.4 I and Pigure 11.4 2. The detised committed dose from the 1991 Land Use Census identified location TM 15 as having a dose 21% greater than a current sample location, The criteria for adding a sample location to the program is a done greater than 20% Location TM 15 however doer, not meet the distance criteria of ODCM Table A.51. A footnote has been added to ingestion Pathway location TM 15 located in Table D.tl to indicate that it is nut a required sample location as defined in Part A (Table A 51).
A copy of ODCM Revisions 8, 9 and 10 are enclosed in Appendix H.
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Al'l'l!NI)lX lit l'rocess ('onteof l'roctam it en uire me nt: Technical Specification 6.12.2.a requires that licensee initiated changes to the l'rocess Control Psogram be submitted to the Comtnipion iti the Semiannual Itadioactive IIffluent llelease lleport for the period in which the changes (s) were rnade.
i Fespons: No changes were made to the Process Control Program during the reposting pctlod.
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APPL!NDIN C i
i Itadioactive I,iould liffluent Monilotine instrumentallen !
Ile a ult em e nt: Itadioactive liquid effluent tuonitoring instrumentation channels are tcquited i i
to be operable in accordance with Technical Specification 3.3.3.9 b. With !
- less than the ruinimum number of channels operable for 30 days Technical !
Specification 3.3.3.9.b regulics that an explanation for the delay in [
l correcting the inoperability be provided the next Semiannual 1:ffluent i a
l Itclease Iteport pursuant to Technical Specification 6.8.1.l.
i l H e t.no n se : A review of the Action Statement Status tracking system aschive indicated l l Technical Specification 3.3.3.9 wai, ncter entered for more than 30 ;
j consecutive days during the reporting period (July 1, 1991 through !
December 31, 1991). I l -.
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, APPENDIX D I
Hadjgitetive Gaseous liftluent Monitorinat inttrumentation Rgnuire me nt: Itadioactive Gascous Ef fluent Monitoring Instrumentation channels are required to be operable in accordance with Technical Specification , 3.3.3,10.b. With less than the minimum number of channels operable for !
30 days, Technical Specification 3.3.3.10,b requirrs that an explanation for the delay in correcting the inoperability be provided in the next Seiniannual ;
Effluent Relear.c Report pursuant to Technical Specification 611.4.
Erff,nn.c A review of the Action Staternent Status tracking splem aschive indicated Technical Specification 3 3.3.10 was never entered for more than 30 consecutive days during the teporting period (J uly 1, 1991 through December 31, 1991). ,
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_ _ _ __.- _._. _ .__.____ _ _ _ - - . _ . _ _ _ _ _ _ _ _ ___.._.m__.._
APPPNI)lX li I lauld ligidup__Tankt it eoulteme nt: Technical Specification 3.11.1.4 limits the quantity of radioactive material contained in any temporary unprotected outdoor tank. With the qunntity of radioactive materialin any temporary unprotected outdoor tank exceeding the limits of Technical Specification 3.11.1.4, a description of the events leading in this condition is requierd in the next Semiannual Effluent -
Release Iteport pursuant to Technical Specification 6;8.1.4, I JLt>Jutrng,: No tempotany tanks exceeding the limits of Technical Specification 3.11.1.4 were in use during the reporting period (July 1,1991 through December 31, 1991).
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Al'I'l!NiilX P ltadwaste 1reatment Systems it euuire me nt: Technical Specification 6.14.1.a regulics that licensee initiated changes to the Itadwaste Treatment Systems (liquid, gascous, and solid) be nubmitted to the Commission in the Semiannual Itadioactive IIffluent Ilelease Iteport for the -period in which the change was n ade.
Ilesnonse: No major changes were made to the Itadwaste Treatment Systems (liquid, gaseous and solid) during the reporting period (July 1, 1991 thtuugh December 31, 1991).
4 1
A p FIT N DI X G l Unplanned Itelentes i
i lleuulre ment: Technical Specification 6.8.1.4 requires a list and description of unplanned !
releases of radioactive materials in gaseous and liquid effluents made during :
the reporting period from the site to UNRilSTitlCTIID AltilAS.
Ilc < non se: An unplanned release of radioactisity occurred on Septembe 30,1991, when !
lleactor Coolant System water was inadvertently introduced into the Demineralized Water System. The radioactive contamination of the ,
Demineralized Water System resulted in liquid releases via the ocean cooling water system.
Seabrook Station Technical Specification liquid effluent limitations were not i exceeded during this event. ;
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All'EFDIN 11 NEW llAh!PSillRE YANKEE OFFSITE DOS!! CALCULATION h1ANUAL Ri? VISIONS 8, 9 and 11) i, i
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