ML20027A713
| ML20027A713 | |
| Person / Time | |
|---|---|
| Site: | 05000000, Seabrook |
| Issue date: | 11/19/1981 |
| From: | Houston R Office of Nuclear Reactor Regulation |
| To: | Frank Akstulewicz Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20027A704 | List: |
| References | |
| FOIA-82-406 NUDOCS 8112110164 | |
| Download: ML20027A713 (3) | |
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DISTRIBUTION 1
CEttiilAL FILE s
AEB R/F
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NOV 191981 UiTirada51A
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WPasedag RWHouston
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EMORANDUM FOR: Addressees on Attached List G
li FROM:
R. Wayne Houston, Chief
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Accident Evaluation Branch
..i Division of Systems Integration S.
SUBJECT:
TECHflICAL ASSISTAtCE TO AEB FOR EVALUATION OF IMPACTS OF M
PLANT ACCIDENTS - INPUT TO DES (OL) FOR SEABROOK STATION, UNITS 1 AND 2 l
The AE8 input to Seabrook DES (OL) on impacts of Plant Accidents is scheduled for March 1982 Format of the ACB input will be the sarae as in the previous DES inputs. Your technical assistance is requested in the following areas:
- 1. AEB:
- 0 Site's mat-data in CRAC format
.i O
Section on Design Features 0
Section on Design Basis Accidents j
2.
Siting Analysis Branch:
- O Projected Population Data for the plant's mid-life I
year in CRAC format O
Section on Site Features
,1 3.
Emergency Preparedness Licensing Branch:
e O
A clean copy of the. nap of the 10-mile region l
around the site l
0 Section on Emergency Preparedness l
4.
Hydrologic and Geotechnical Engineering Branch:
O Section on Possible Releases to Groundwater l
S.
Antitrust & Economic Analysis Branch:
i 0
Section on Risk Considerations
'other costs' 1
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Addressees on Attached List 2
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I The scheduled date for submittal of the Seabrook DES input is March 1,1982.
l Therefore, items marked with an asterisk are needed by January 15, 1982, (I
and other items by February 1, 1982.
Please fontard all items to Mohan Thadant, mail stop P-802.
3 e
rUr'iginni signed by:
ti R. Wayne ; Houston, Chief 1
Accident Evaluation Branch 4
s Division of Systems Integration cc: W. Regan F. Pagano 1
L. Wheeler t
F. Miraglia i
R. Tedesco j
W. F. Pasedag M. Thadani 3
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Addressee List F. Akstulewicz, AEB J. Fairobent, AEB L. Soffer, SAB 1
- 6. Lear, HGEB F. Pagano, EPLB 1
A. Toalston, AEAB 4
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UNITED STATES 8\\
- ,1 NUCLEAR REGULATORY COMMISSION f
WASHINGTO N, D. C. 20555 N,
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f, JAN 191982 s
Docket Nos.: 50-443/444 1
APPLICANT: Public Service Company of New Hampshire FACILITY:
Seabrook Station, Units 1 & 2 e
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SUBJECT:
MEETING
SUMMARY
On December 1-2, 1 981 the NRC staff conducted an environmental site visit as part of the review process for issuance of the OL-DES. A meeting notice and agenda are attached as Enclosure 1.
Advance publicity was reinforced by a press release from the NRC Region I Office of Public Affairs (Enclosure 2).
Letters of invitation to attend the meetings and participate in the preparation of the OL-DES were sent to the following agencies:
New Hampshire Fish and Game Department, Concord, N.H.
New Hampshire Water Supply and Pollut. ion Control Commission, Concord, N.H.
.U. S. Army Corps of ' Engineers, Waltham, MA.
U. S. Environmental Protection Agency, Boston, MA.
U. S. Fish and Wildlife Service, Concrod, N.H.
National Marine Fisheries Service, Gloucester, MA.
I Advisory Council on Historic Preservation, Washington, D.C.
Positive responses and participation were received from all of the above except the Advisory Council on Historic Preservation.
At the opening session on December 1,1981 the applicant distributed an infonnation package (Enclosure 3) including a list of attendees, and presented a brief introduction and overview of the project.
A bus tour was then performed on site and off site to a radius of approximately 15 miles. The tour lasted most of the day and was designed to cover areas of interest identified by the NRC staff with stops being made at selected points along the route.
Af ter the bus tour, additional discussions were held by two groups of agencies to clarify points of interest and the scope of specific areas of the review.
On December 2,1981 table discussions were held between the applicant and the NRC staff. Topics addressed focused on the applicant's responses to previously submitted requests for additional information that had resulted from the staff's initial review of the Environmental Report.
Particular attention was also giv,en to reviewing the scope of the environmental review.
Points of interest identified by the applicant and the staff during the tour and meetings at the end of the previous day were also highlighted.
The meeting was adjourned and the site visit was thereby completed.
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MEETING
SUMMARY
DISTRIBUTION l
Docket File 50 //M3 -((
W. Johnston NRC PDR
- 5. Pawlicki j
Local PDR V. Benaroya NSIC Z. Rosztoczy TERA W. Haass LBf3 Files D. Muller H. Denton
-R. Ballard E. Case W. Regan D. Eisenhut A. Toalston
]
R. Purple R. Mattson i
R. Tedesco T. Speis 4
B. J. Youngblood M. Srinivasan i
A. Schwencer x
- 0. Parr
.j F. Miraglia F. Rosa j
E. Adensam B. Sheron, Acting J. Miller dl.G.Hulman i
G. Lainas
~4Nouston.
i T. Wambach, Acting W. GYndii'll' ~ ]
i B. Russell F. Congel j
D. Crutchfield L. Rubenstein T. Novak W. Butler S. Varga C. Berling r i
T. Ippolitto e
R. Clark F. Schroeder s
J. Stolz K. Kniel R. Vollmer D. Skovholt J. Knight G. Knighton i
R. Bosnak M. Ernst F. Schauer A. Thadani R. Jackson W. Minners G. Lear S. Hanauer Project Manager L. Wheeler H. Thompson Attorney, OELD D. Vassallo J. Lee P. Collins 0IE (3)
D. Ziemann ACRS (16)
V. Moore NRC Participants RBores (RI)
RCodell (HGEB)
GGears (EEB)
CHickey (EEB)
MKaltman (SAB)
JLehr (EEB)
L0'Reilly (RAB) bec:
Applicant & Service List m
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191982.
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f An expanded discussion by the Environmental Engineering Branch of the d
status of interagency coordination and new issues to be addressed is i
attached as Enclosure 4.
Ij Environmental Engineering,' Radiological Assessment, and Siting ' Analysis 3
Branches have all provided additional requests for f r) formation that have been forwarded under separate cover to the applicant.
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mj NN s (.4. p 'dIer,_ Project Manager f
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Licensing Branch No. 3 Division of Licensing
Enclosures:
2 As stated 1
cc: See next page.
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- SEABROOK.
l William C. Tallman
' i Chairman and Chief Executive Officer Public Service Company of New Hampshire j
P. O. Box 330
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Manchester, New Hampshire 03105 j
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John A. Ritscher, Esq.
E. Tupper Kinder, Esq.
Ropes and Gray Assistant Attorney General 3
225 Franklin Street Of fice of Attorney General J
Boston, Massachusetts 02110 208 State House Annex i
Concord, New Hampshire ^ 03301 Mr. Bruce B. Beckley, Project Manager Public Service Company of New Hampshire The Honorable Arnold Wight
)
P. O. Box 330 New Hampshire House of Representatives Manchester, New Hampshire 03105 Science, Technology and Energy Comittee j
State House
~
j G. Sanborn Concord, New Hampshire 03301 3
U. S. NRC - Re~gion I j
631 Park Avenue Resident Inspector g
1 King of Prussia,. Pennsylvania 19406 Seabrook Nuclear Power Station 3
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c/o U. S. Nuclear Regulatory Commission j
Ms. Elizabeth H. Weinhold P. O. Box 1149
~
3 Godfrey Avenue Seabrook, New Hampshir.e 03874 Hampton, New Hampshire 03842 Mr. John DeVincentis, Project Manager Robert A. Backus, Esq.
Yankee Atomic Electric Company 1
'O'Neill, Backus and Spielman 1671 Worcester Road 116 Lowell Street Fanningham, Massachusetts 01701 Manchester, Hew Hampshire 03105 Mr. G. F. Cole, Project Manager Nonnan Ross, Esq.
United Engineers and Constructors i
30 Francis Street 30 South 17tk Street
]
Brookline, Massachusetts 02146 Post Office Box 8223 Karin P. Sheldon, Esq.
Philadelphia, Pennsylyania 19101 Sheldon, Harmon & Weiss Mr. W. Wright, Project Manager 1725 1 Street, N. W.-
Westinghouse Electric Corporation Washington, D. C.
20006 Post Office Box 355 Pittsburg, Pennsylvania 15230 Laurie Burt, Esq.
Office of the Assistant Attor'ney General Thomas Dignan, Esq.
Environmental Protection Division Ropes and Gray One Ashburton Place 225 Franklin Street Boston, Massachusetts 02108 Boston, Massachusetts 02110 D. Pierre G. Cameron, Jr., Esq.
General Counsel Public Service Company of New Hampshire P. O. Box 330 c
Manchester, New Hampshir.e 03105 4
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~ o ENCLOSURE 1
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NUCLEAR REGULATORY COMMISSION UNITED STATES 3 ",, s ny, '
,E WASHINGTON, D. C. 20555
- *;~ 44}ts, '
.1 NOV 3 1981 Docket Nos :
50-443/444 g
!!EMORANDU:t FCR:
F. J. Miraglia, Chief, Licensing Branch No. 3, DL
[
FROM:
L. Wheeler, Project Manager, Licensing Branch No. 3. DL E
POTICE OF MEETING FOR PRELIMINkRY DISCUSSION OF INFORMATION
SUBJECT:
FOR ENVIRONMENTAL REVIEW AND SITE TOUR - SEABROOK STATION I
UNIT 1 AND 2 DATE AND TIME:
December 1, 1981 - 9:00 a.m. to 4:00 p.m.
December 2,1981 - 9:00 a.m. to 11:30 a.m.
LOCATION:
December 1,1981 (Site Tour)
Seabrook Station Plant Site December 2,1981 (Discussion)
Seabrook Station Conference Room PURPOSE:
DECEMBER 1:
TO OBSERVE ENVIR0tNENTAL CONDITIONS AT SELECTED LOCATIONS DECEMBER 2:
TO DISCUSS PRELIMINARY INFORMATION FOR i
ENVIR0tNENTAL REVIEW OF THE SEABROOK PLANT I
PARTICIPANTS:
NRC Staff l
F. Miraglia, L. Wheeler, R. Codell, G. Gears, C. Hickey, M. Kal tman, J. Lehr, L. O 'Reilly Public Service Company of New Hampshire I
B. Beckley, J. DeVincentis, P. Littlefield, R. MacPherson, B. Smith, et al L. Nhee'1 er,'Proj ect Manager Licensing Branch No. 3 Division of Licensing i
Enclosure:
Agenda cc: See next page Ine meeting of Decediber 2,1981 is open to interested menbers of the public, petitioners or other parties to attend as observers pursuant to NRC staff policy on open meetings. Members of the public wishing to attend should contact Mr. L.
Wheeler at 301-492-779' by November 23, 1981, so that arrangements can be made for their attendance.
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EllCLO:,tlRE SEABROOK ENVIRONMENTAL REVIEW SITE VISIT AGENDA December 1, ' 1981 - 9 : 00 a.m. - 4 : 00 p.m.
A site tour will be made with the applicant and consultants.
General areas to be included in the tour are:
1.
Terrestrial Resources 2.
Aquatic Resources 3.
Consumptive Water Use 4.
Thermal Hydrology i
5.
Water Quality 6.
Chemical and Biocide Wastes 7.
Environmental Radiological Assessment Specific areas to be highlighted during the tour are:
1.
The barge dock facility at Seabrook Harbor 2.
The intake pumphouse and traveling screen system 3.
Construction effluent points into the estuary 4.
On-site settling basins, sewage treatment lagoon, landfills, waste disposal a rea s,'
5.
Site boundary at the estuary 6.
Education Center 7.
Transmission line alignment All persons to go on the tour are to meet inside the Seabrook Education Center at 9:00 a.m.'
The specific route will be determined at that time (based on tide conditions at the estuary and any other relevant considerations). This meeting is expected to take no more than 10 minutes.
The decision on when and how long to break for lunch will be made after the tour has started and will be based on how well the tour is progressing.
December 2, 1981 - 9:00 a.m. - 11:30 a.m.
Discussions will be held between the NRC staff and the applicant. The outline of the discussions will follow the topics identified during the ER-OL acceptance review that are cited in the questions in to the NRC letter of acceptance dated September 30, 1981.
Additional items may be discussed if the site tour indicates such discussions are required for a complete review.
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SEABROOK STATION EINIRONMENTAL REVIEW SITE VISIT l'
OPERATING LICENSE STAGE I
i SITE VISIT INFORMATION i4:
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s AGENDA SEABPDOK STATION ENVIRONMENTAL REVIEW SITE VISIT OPERATING LICENSE STAGE December 1, 1981 Individual B.B. Beckley 1.
Introduction and Overview of Project 2.
General Areas of Interest-Comparison of ER-CPS vs ER-OLS B. Smith a.
Terreststal Resources B. Smith b.
Aqdatic Resources B.B. Bockley c.
Consumptive Water Use R. MacPherson d.
Thermal Hydrology e.
. Water Quality Treatment Plant C. Worster J. Jacobson Settling Basin B.B. Beckley NPDES B.B. Beckley f.
Chemical Blocide Wastes P. Littlefield Environmental Radiological Assessment g.
B.B. Beckley 3.
Site Tour Itinerary 3.1 Offsite Tour Depart-Education denter to view:
Site Perimeter-nearest homes
- Community
+ Marsh View Beach Community
- Intake 345 KV Alignment
- Local Agriculture Well Field Return - Education Center 3.2 Onsite Tour Depart-Education Center to view:
- Principal Station Structures
- 0ther Site Features including construction ef fluent points to estuary, settling basin, sewage treatment lagoon, tree screens, wells site estuary perimeter.
Return-Education Center 4.
Discussion s
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_f AGENDA Seabrook Station i
Environmental Review Site ' Visit Operating License State 1
s 4:
December 2, 1981 e
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Discussion of Seabrook Station ER-OLS Responses to RAI and other f;
items as appropriate.
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1 STATE AND FEDERAL AGENCY REPRESENTATIVES EPA 1)
Landry
- 3) Stickney
- 2) Ledger
- 4) Higgins
- 5) Davanzi Army Corps
- 1) O'Neil of Engineers U.S. Fish and
- 1) Beckett Wildlife 2)
Harney 3)
Russel N.H. Fish and 1)
Spurr Game
- 2) Tholts National Marine
- 1) Mantzeris Fisheries Service
- 2) Crouch
.N.H. Water Supply 1)
Carlson and Pollution Control
- 2) Frost 3)
Nylander
- 4) Towne 5)
Roberts State of N.H.
1)
Kinder Assistant Attorney General N.H. House of Representatives 1)
Wight 6)
Lehr NRC 1)
Bores 2)
Codell 7)
Miraglia 8)
O'Reilly 3)
Gears 4)
Hickey 9). Wheeler 5)
Kaltman
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LOCATION MAP OF HYDROGRAPHIC SAMPLING PUBLIC SERVICE COMPANY OF NEW HAMPSHIRE STATIONS OFF HAMPTON BEACH. NEW H AMPSHIRE SEABROOK STATION - UNITS 1 & 2 ENVIRONMENTAL REPORT OPERATING LICENSE ST AGE
-- l -- _F...I G_ U..R. F. 2._4 0. 6...,1
(-.-._.
TABLE 6.1-1 L
SEABROOK STATION SURFACE WATER DATA COLLECTED
[
PHYSICAL PARAMETERS (Sheet 1 of 2)
I.
Continuous Monitoring of Oceanographic Parameters from Fixed Points:
A.
Mooring Deployment: More than 30 different specially designed mooring systems to serve as instrumentation platforms have been
~
deployed on a year-round basis.
b B.
Current Measurements: For nearly 7 years continuous water current speed and direction measurements have been obtained from the various of fshore moorings compiling a data base, exceeding 40 current-meter mooring years.
C.
Temperature Measurements: For nearly 7 years continuous water temperature measurements have been obtained from the various offshore moorings as well as from around the Inner and Outer Sunk Rocks and the Hampton Harbor estuary, documenting nearly 30 temperature monitoring years of data.
D.
Tide Elevation Measurements: For 6 years tide elevation was monitored continuously in the Hampton Harbor estuary.
II.
Oceanographic Cruises:
A.
Plankton Cruises:
Essentially monthly oceanographic cruises to survey plankton distribution, hydrographic parameters, and net circulation patterns (drif ter releases) in the vestern gulf of Maine out to almost 25 n mi offshore.
B.
Slack Water Surveys: Monthly to semi-monthly hydrographic surveys to document low-water and high-water " slack" distributions of ambient temperature, salinity, density and dissolved oxygen at stations in Hampton Harbor and offshore around the various proposed intake and discharge sites.
C.
Special Temperature Studies: Over a 1 year period intensive temperature surveys (including in situ monitoring and tide pool measurements) were made around the Inner and Outer Sunk Rocks off the mouth of Hampton Harbor.
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[ Q.' i TABLE 6.1-1_
,i (Sheet 2 of 2) 1 f'
f III. Anchor Station Studies:
d stations to document Periodic surveys over a tidal cycle at selectey, density and dissolved oxygen; i
and drogue studies.
ambient currents, temperature, salin tf requently included i
f i
l' IV.
Drifter Studies:
000 drift l
of drifter releases including some 12,b d drifters with an overall
)
n the drif ter type; included More than 4 yearsbottles and nearly 15,000 drogue and sea-e recovery of about 25 to 40%, depending upohboring estuaries as a special study to determine the pro a the Hampton Harbor estuary and neig of distance and depth offshore.
Sedimentological Studies:
d Monthly height me.asurements of stakes jettelong-tem, n V.
Sediment Stakes:
A. _into the sea floor were used to document erosion and/or deposition.
l aspects This device was used to document seasonaort at th Sediment Trag:
of near-bottom suspended sediment transp B.
f Two special surveys were conducted to measuretuary un site; Turbidity Survey: turbidity levels in Hampton Harbor es C.
ambient and " post-storm" conditions.
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SEABROOK ENVIRONMENTAL 1
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SAMPLING STATIONS
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1981
(/
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l D
TAtt2 6.1-2 t
(Sheet 1 of 6) e FREOFEBATIONAL ECOLOGICAL STUDY PROCRAM, f
,j SEABROOK STATION l
i I
r SAMPLE SIZE OR j
SAMFt.E TTrt CEAR "~1t i STATIONS FgEQUENCY DURATION REFLICAT10N DEPTH '
DATA COLT 2CTED
~.a s 8
1.
C111 neto 100' z8' ' set 3
btweekly two 24 hr periode none
- surface, number, length and
'.! A. Finfteh off-bottom weight of each with 4',
A species elsee 4
bottoe musher, length and 2.
Otter treel 30' drsep 3
monthly no minute tows weight of each m
trawl species P' tr 73 number, length and
.5"
.h 3.
Sateing
_100's9 ' ne t 3 (e)8 btweekly 2
Me weight of each s
, with 2 mesh (Apr-Now) species g
attes I.
4 Indicator species 250 indiv, off-bottom length, wetsht, een
'j e.
Cuener Age & gr6,t&
Diver seine 1
1 per year and age of each C
specimen 1
s -
counts of individuels b.
Alevi!e 1 (e) 3m,-
6 weeks pseeing floh ledder none Spawning run week (Apr-May) per hour 4
oblique number of all spectees 5.
Ichthyoplankten e.
Regular 30 5 p,
!= net 3
btweekly 10 minute tows lengths of terves
% ey, 4
l
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Tant.E 6.1-2 (Sheet 2 of 6)
'., I April-number and surface.
length of winter 2
mid-depth 10 minute tows flounder Isrvae, July-twice per and bottoo number of cuener egge I
1 and larvae en year 505e,la net
( Apt-Jul) 4 times in 24 Q 08 houro ew indicator species, number, length end Diel-tunner & winter mid-depth, weight of each hp b.
th none off-bottoe spectee tJ i
two 24 hr periods p
flounder monthly I
counto 50'm6' net with 4
species seelt 2 mesh staes surface Rainbow 2
c.
I og carbon yptake/s /hr 0.8 Liter e
i biweekly.
9 monthly Dec-Feb surface ng ch! A/m 3
2 Niekin as TFo4, ortho Fo4, Planktoa b
Phytoplankton 0.25 L
- 3.
nog, NO, NH /1;og 0 /I3 88d8*h** *I 4
0.9 L v ariable blueekly.
3 1
monthly Dec-Feb none 3
conductivity; tempers-2 Froductivity/
Niekin 0.5 L ture *C 2.
btweekly.
sonthly Dec-Feb biomass 3
cousto Niekin species
- surface, Water quality 4
off-bottos spectee counts,' lengthe 3
100 L of key spectee oblique meristic & seasonal
- blueekly, monthly Dec-Feb 3
7 6v, 0.16e 1
10 minute tow data ce peomysis b
Microsoeplankton not (pumped) blueekly 4.
3 b
505 p. la Macrosooplanktom nota 5.
e 9
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9
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(Sheet 3 of 6) f,;
61 Ij 1
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+
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Diel 505u, in 1
1 per year 10 minute tow 2
- surface, counto and staging of
(;
nets (Oct) etd-depth Neomysis americana i
aul bottoe i
S 6.
Meroptenkton 76g 0.5m net 1
weekly 2 minute tow 2
obitque bivalve larvae (towed)
(Apr-Oct) species count b
7.
Nyueton las, Im2m net 1
btweekly 30 minute tow none surface countys and staging of (May-Oct)
Homerus americana e
larvae ca t9 tp 8.
Physical data in attu 1
continuous continuove subeurface, temperature, all depthe 7w e.
Temporet-recorders (20 min mid-depth current speed and O
interval) and bottom direction, subourface
[*
N b.
Spatial salinometer 4
biweekly all depths temperature (*C) monthly-winter (2m intervale) c,onductivity (micronhoe)
C.
Benthee l.
M;srine intertidat 2
a.
Nond es t ruc tive s random 3
5 m per yr 0.25m to mean sea level number or I cover of quadrate dominant fauna & flora f
2 b.
Destructives sc raped 3
3 a per yr 0.0625m 5
sean low water number of all fauna sample species in Auguet; number g'l of dominant fauna in May,
- j December; dry weight
.(4 biomass of flora in al!
8 collectione c.
Indicator species scraped 2
bimonthly 100-250 l1 mean low water staging and meristico l!
individuate semple (gg) of Amphithee rubricata l l live / dead retto of T'l I.
Myt!!ue edulle staging of Chondrue crispus
'/ l 2
E
' 1 1
I
. l l
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?-
TABLE 6.1-2 i
(Sheet 4 of 6) 1
(
-20' to -60' I cover and frequency 2
of occurence of 1.2 below KLW 2.
Marine subtidal 4
3 x per yr dominant understory r and om Monde struc tive algae a.
quad ra t e
-20' to -60' f,Z cover of dominant 6
kelpe; number of 1sID=2 below KLV 5
3 x per yr Modiolus mediolus random b.
Transects transects 2
5
-10' to -80' number of all fauna species in Augemt; number 0.0625m below M1W of dominant f auna in 12 3 x per yr diver operated rq go De s tructive s-May, December; dry PO c.
airlift sacrofaune &
wetsht biomass of flora j)"*
macroflora in att collections ta o us
-10' to -60' number of all taxonoste groupe present; number 2
3 50ce below MLW of all herpactacold coperod 6
monthly diver operated d.
Destructives-species str11ft setofause number or I cover of t
2
-10' below M1W o.
Settlina 103.2en dostnant f auna and communttles 4
- monthly, flors; etsging of Mytilus
- 1) Surface 5
plenistase &
3 x per yr, edults; staging and wood pasel yearly mortette data on Jassa falcata s
43, to-80' counts or I cover of the dominant f auna &
2 4
3 x per yr and 0.0624m below MLW flora dry weight bionaae 5
- 2) Bottom 1,2,3 years of flora on yearly penete bluestone panet k
I w
we*
M i
k
B TABLE 6.1-2 (Sheet 5 of 6) staging of Chondrus
-10' to 60' crispue, live / dead retto 100-250 below HlW of Mytilus edulto; bisonthly individuale seristic data on f.
Indicator species diver operated (escept 5
selected amphipode
- 1) Mard substrate sirlift vinter) organtees linear or erest 30 10' below KLW changes in plant size and reproductive status monthly individ uat e f4 in situ 2
- 2) Algae growth tagged plante (escept
& reproduction winter)
-50' below MLU reproductive erstus
{@D8
>4 20-40 (3,,
btweekly todividuate number, size and een co 1
Arctica telendica' renden diver (Oct-Dec)
-50' below HLW of all individuale; 5
FJ 3) collection Jun-Nov data also collected reproduction 3 a per wk for cancer crabe 2
Hoearus aserteenu_o conventional 4) trape number of all agactee subtidal 2
5 0.0615m intertidet present 4 subtidal 3 x per yr 3.
Estuarine diser opers-(e)
Destructives ted strifft 4 fatertidal number, eine and sea e.
subtidal of all individuale (e) 2 Ma r-De c btweekly 4(e) grain ette analyste c onventional subtidal b.
Carcinus seenes 5-grain eine intertidst organte carbon treps 6 subtidal 3 m per yr 1-LOI estimate f rom L01 (loss on ignition) core (e)
Sedimente c.
6 intertidst (e) i I
-m
-w
-- ry,
'd
> ft
, I'
};
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r.m
..o.wa..wn..w h a...uwpa..esw.bm. C#AAwa..
m..w..
P 4
h TAtt.E 6.1-2 (Sheet 6 of 6) d.
Temperature &
Ni eki n, 2(e) 3 x per wk Jan-Dec none subourface temperature (*C) saltatty thermometer conduettwity (micrombos)
D.
M arenaria 1.
Adults clam fork 5 flate ye arly 0.186m, 14 to 72 intertidal number and ette of (e)
(flat depen-all individuate dent) 2 2.
Spat core 3-5/ette, 3 a per yr 81cm 3
intertidal number and eine of 3 ettee (e) all individuate tot $
M I
- 3.
La rvae O
t pp a.
Beauler 769, 0.5m I
btweekly net (Apr-Oct) 2 minute tow 2
oblique number of individuate t/3 i
M i
b.
latensive 76v, 0.5m 12 2 x per yr 2 minute tow 2
oblique number of individuale net (Aug-Sept) when denettles are I
highest
+
8 i
4 c.
(e) = estuarine ettes; all.othere marine j
b.
Includes indlestor species Adequate data collected; program suspended untti operational phase c.
ii i
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s 4
LNCLOSURE 4
/;l V
f.
g ;g
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I.
Interaoency Coordination _
The NPDES permit for operation of. Seabrook Station has not yet Due to a desire by both URC and EPA A.
been issued by the USEPA.
to perform our operational environmental reviews in concert, the EPA has agreed to accelerate the NPDES process to coincide with A draft NPDES permit will be prepared by EPA and ready the DES.
This review-in-for inclusion into the DES by March 1,1982.
concert is a critical element-of this DES, thus some parts of The our input will have to awaf t receipt of the draft permit.
March 1, 1982 deadline for DES input to the LPM, therefore, might not be met for some sections of the aquatic ecology / water quality reviews.
The USEPA also desires to be a party in the preparation of the By mutual agreement, this will be accomplished by EPA 8.
reviewing the NRC staff input prior to publication of the DES.
DES.
This will require staff input to be foniarded to EPA (Boston, MA),
f-We then will reviewed critically by EPA staff and returned.
review the EPA comments and revise the input as appropriate, Achievement prior to submitting our final DES input to the LPM.of this co NPDES permit in the DES will result in a unified interagency position on Seabrook - with respect to impact projection and One of the operational monitoring (required by the permit).
. chief concerns of the NH Fish and Game Department will be an j
adequate program to monitoi the operational impacts resulting Proper from fish impingement and ichthyoplankton entrainment.
coordination concerning the NPDES will ensure that these concerns are adequately reflected in the DES.
During the interagency meeting at the site visit, we ma C.
as a precursor to fomal communication required by the FishTo initiate the and Wildlife Coordination Act of 1958.
participation of the FWS in our EIS process.for Seabrook, we prepared a letter for your signature (with concurrence by the l,
LPM) to the FWS Supervisor of Ecological Services, Concord, NH.
l This will enable FWS to provide to NRC their concerns relative l
to Seabrook, prior to DES publication.
New Issues for Treatment in the OES_
II.
One of the concerns during the CP stage environmental review was the impact to aq'uatic biota resulting from thermal backflushing, A.
an operation designed to control biofouling of the intake tunnel The themal backflushing operation is and offshore structures.
r i
, - - -. ~ -. - -... -, _.... -. - - - -.. -..
- *---,-- y ~pr;.,- _,.
% e ',
L..
- ~ -
~
o.
'M described in Section 3.4.5 (pages 3-9 and 3-10) of the FES-CP.
Control of fouling within the condenser system was to be by low-The OL stage ER level chlorination injection at the pumps.
reaffirmed the intent to use this method of biofouling control, In response to NRC IE Bulletin in Section 3.4.2.5 (ER page 3.4-2).
81-03 (on safety related problems resulting from biofouling), the ment of the main circulating water and low level chlorination f service water systems would be used.
During the site visit, we learned that the applicant has revised his plans for biofouling control and now proposes to use continuous To this end, chlorination, with injection at the offshore intake.
a chlorine-injection pipeline is being constructed within the With this concrete lining of the 17,000 foot intake tunnel.
system, chlorine injection would be used to control fouling of the The applicant proposes to use entire once-through cooling system.
this method because it does not require a reduction in station load, as does the thermal backflushing method.
The applicant has discussed this new proposal to ch.lorinateco At this time, the Commission has not been requested to approve the proposal, but has stated that the applicant could construct that it may or may not be approved for operational use.
Discussions backflushing option, therefore, still is a viable option.
with State of New Hampshire agencies during the site visit revealed that they are concerned with the potential impacts of continuous The USEPA also is chlorination to Gulf of Maine aquatic biota.
concerned, since with this method, Seabrook might discharge We will provide you with some questions for formal submittal to the
~
applicant prior to addressing this issue in the DES.
lastly, you should note that the eventual control method for biofouling might be different from that provided by the applicant in his response to the IE Bulletin. The appropriate IE person should be informed.
The staff (M. Kaltman and G. Gears) toured sections of the proposed Se.abrook/Scobie Pond and Seabrook/Tewksbury transmission lines.
B.
Issues involving historic preservation and human health and safety were raised during the staff's field investigations of the proposed transmission system as well as during the public scoping meeting.
'l
.