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PROGRESS REPORT

( FOR THE FORTY-FIRST QUARTER

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STUDY OF WOODBORER POPULATIONSIN RELATION TO THE OYSTER CREEK

NUCLEAR GENERATING STATION

to

{ GPU NUCLEAR CORPORATIONAugust 31, 1985

by

R.E. Hillman and C.I. Belmore

( REPORT NO.15298

For the Period

[ May 1,1985 to July 31,1985

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IL BATTELLE

Now England Marine Research Laboratory397 Washington Street-

L Duxbury, Massachusetts 02332

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Battelle is not engaged in research for advertising, sales promotion, or. publicity purposes, and this report may not be reproduced in full or in part for such

- purposes.

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[TABLE OF CONTENTS

[Page

EX EC U TI V E S U M M AR Y .................... ...................................................... .... i

IN TR O D U C TIO N . . .. .... . .. . .. . . ... . . ..... .... .................. ......... ..... . .... ......... .... ...... ....... 1

PROC ED U RES AND IN TE RIM D ATA ...................... ........ ........................... .. 2

( Exposu re Pane is .. . ..... ......... ..... ........... ...... ............ .. ..................... . .. ... 2

Wa te r Qu ali t y . . ... .... . ... ... ... ... ............. ... .... ...... . ............ .... ....... ... . 2

Te redinid Go:iadal Deyelopment Studies ............................... ........ .......... 2

( LIST OF TABLES

Table 1. Geographic Locations of Exposure Panel Arrays in Barnegat( Bay , Ne w Je rse y ........... .................... ........ ... .. . .... .. ... ................. 4

Table 2. Incidence of Teredinidae in Panels Removed May 13-14,

{ 1985.............................................................................................. 8

Table 3. Incidence of Teredinidae in Panels RemovedJu ne 10- 1 1, 1 9 8 5. . . . .. .. .. . . .... . . . . . . . . . . ... ......... .. . .. . .. ... .... . ... .. ... ... ...... .... . 8(

Table 4. Incidence of Teredinidae in Panels Removed July 8-9,1985............................................................................................ 9

Table 5. Incidence of Limnoria in Panels Removed May, June,and J u ly , 19 8 5.. . . ... ..... .............. .. . ... .. ............ .... ... ..... .. ... ........ ... .. ... 10

I Table 6. Water Quality at Exposure Panel Stations, May 13-14,1985.......................................................................................... I1

( Table 7. Water Quality at Exposure Panel Stations, June 10- 1 1, 1985............... 12

Table 8. Water Quality at Exposure Panel Stations, July 8-9, 198 5....... .......... 13

Table 9. Condition of Gonads of Teredinid Borers Removed from ExposurePanels in Barnegat Bay from April through June,1985........................ 14

[LIST OF FIGURES

,

(- Figure 1. Outline of Barnegat Bay Showing Geographic Locations ofE xposu re Pane ls .. . .. . .. . .. . . . . .... . ........ . ... .. . .... .. .... . ... .. ... . .. .... .. . .. . .... ..... .. 3

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L EXECUTIVE SUMMARY

( This progress report presents data from field and laboratory work during the

period May 1 to July 31, 1985. Also included are the results of observations on gonadr development in samples collected in April, May, and June,1985.L

All field work during this quarter was carried out by GPU Nuclear personnel.Temperature, salinity, dissolved oxygen and pH were measured and recorded at each of

the 20 stations during the three periods of exposure panelexchange.The exposure panel rack at Station 4A was found out of the water at both the

June and July panel exchange periods. Each time, it was put back in the water.

No shipworms were found in any of the 1-month and 6-month exposure panels

( rernoved in May and June,1985 and only at two stations from the panels removed in July,1985.

{ Limnoria occurred as usual at Stations 1, 2, 3, 4, and 4A. In addition, oneLimnoria specimen had entered the 6-month exposure panel removed in May,1985 fromStation 11 at the mouth of the Forked River.

Gonad development continued to follow normal patterns. Most Bankia gwere in the early-active phase through April, becoming ripe in May and spawning by June.

Teredo navalis tend to ripen earlier, and most were ripe and spawning through the three-month period from April to June.

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g PROGRESS REPORTL FOR THE FORTY-FIRST QUARTER

on

STUDY OF WOODBORER POPULATIONSIN RELATION TO THE

OYSTER CREEK NUCLEARGENERATING STATION

to

GPU NUCLEAR CORPORATIONAugust 31,1985

by

Robert E. Hillman and C.I. Belmore

( REPORT NO.15298

For the Period{ May 1,1985 to July 31,1985

from

BATTELLENew England Marine Research Laboratory

397 Washington Street( Duxbury, Massachusetts 02332

{ INTRODUCTION

Battelle's New England Marine Research Laboratory is conducting aninvestigation to determine whether the Oyster Creek Nuclear Generating Station isaffecting the resident marine borer popubtion in Oyster Creek to the extent that that

L population is contributing significantly to marine borer-caused damage in Barnegat Bay.

A description of the program and procedures used may be found in the ninth

( annual report titled, " Study of Woodborer Populations in Relation to the Oyster CreekGenerating Station", dated May 15,1985.

[ 1his report presents data for the forty-first quarterly period from May 1 toJuly 31,1985.

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PROCEDURES AND INTERIM DATAr

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Exposure panelsfL

"Ihe long-term and short-term exposure panels were retrieved and replaced

( with new untreated pre-soaked (for two weeks) panels at the 20 exposure sites in Barnegat

Bay and adjacent waters (Figure 1) during the periods of May Ibl4, June 10-11, andJuly 8-9,1985. Long-term and short-term panels at all stations were retrieved and

replaced by personnel from GPU's Oyster Creek Nuclear Generating Station.

Table 1 describes the geographical locations of the exposure sites. [hta from

the laboratory examination of the panels are presented in Tables 2 through 5.

f Water Quality

{ Salinity, water temperature, dissolved oxygen and pH were taken at each site

by the GPU Nuclear field team. Results for May, June, and July,1985 are presented inTables 6 through 8.

Teredinid Gonadal Development Studies

Table 9 shows the gonad condition of teredinid borers collected in April, May,[ and June,1985. Included are results from panels exposed for periods ranging from 6 to 12

months.

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TABLE 1. GEOGRAPHICAL LOCATIONS OF BATTELLE NEW ENGLAND MARINE RESEARCH LABORATORY'SEXPOSURE PANEL ARRAYS IN BARNEGAT BAY, NEW JERSEY

_ . _. _ _ . _. . _. -_ _ _ . -. _

Structure to be used for Nearest Previous Approximate LatitudeSite No. Site Suspension of Rack Data Stations and Longitude

1. Bamegat Coast Guard Finger Pier WC1 lat. 390 45.8'NStation, Bamegat kilet Bulkhead WFCL 1948-l%7 Long. 740 06.5'W

2. Ashton Wrina Bulkhead WC 13,14 Lat. 390 40'N1450 Bay Ave. Long. 74013'WManahawkin

3. Iggie's Marina Bulkhead WC 16,17,18,19 Lat. 390 45'N#East Bay Ave. Long. 74012.5'W

Barnegat (Conklin Island)

4. Liberty Harbor Marina Bulkhead WC 21 Lat. 390 47'NWashington Ave. R. Tumer Long. 740 ll'WWaretown Rutgers U.

4- A * . Holiday Harbor Wrina Bu!khead WC 21 Lat. 390 48'NLighthouse Drive R. Tumer Long. 740 ll'WWaretown Rutgers U.

5. Mouth of Oyster Creek, Dock WC 29,30 Lat. 390 43.5'NLot 4, Compass Road Rutgers U. Long. 74010.3'WOffshore End

6. Oyster Creek 1 Dock Lat. 390 43.5'N;

lagoon, Inshore End Long. 74010.35'W,

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( TABLE 2. INCIDENCE OF TEREDINIDAE IN PANELS REMOVED M AY 13-14, 1935

No.of Percent Size Range SpeciesStation Panet Specimens Filled in mm. Identification Renurks

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Stations 1-17 - No Teredinidae present.

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( TABLE 3. INCIDENCE OF TEREDl:4LDAE IN PANELS REMOVED JUNE 10-11, 1935

No.of Percent Size Range SpeciesStation Panet Specimens Filled in mm. Identification

(Stations 1-17 - No Teredinidae present.

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TABLE 4. INCIDENCE OF TEREDINIDAE IN PANEL 5 REMOVED JULY 5 9,1985

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No. of Percent Size Range Species( 5t . tion Panel Specimens Filled in mm. Identification

{! P 50 <! <!-l 50 Teredinidae*

C 130 <1 <!-2 130 Teredinidae *

r 11 P 6 <1 1-19 3 Teredo spp.,L 3 Teredinidae *

C 6 <1 <!-2 6 Teredinidae *

Stations 2-108,12-17, no Teredinidae present.

( _.

P = Long-term panel submerged January 14-15, 1985.C = Short-term panel submerged June 10 11, 1985.

( *3 Not speclated due to size or condition.

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TABLE 5. INCIDENCE OP LIMNORIA IN PANELS REMOVED MAY, JUNE, ANDJULY,1985.

May Jure * July * *No.of No.of No.of No.of No.of No.ofStation Panel Tunnels Specimens Tunnels Specimens Tunneh Specimens

! P 3 4 7 11 0C 0 7 1 1

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2 P 26 32 62 100 190 240C 3 3 38 63 4 7

3 P O 7 11 0C 0 0 0

4 P O O 33 53C 0 1 0 0

4A P 5 5 36 43 73 120C 1 2 8 11 0

11 P 1 1 0 0C 0 0 0

Stations 5-10B,12-17, no Limnorla present.

P = Long-term panel, submerged 6 months.C = Short-terrn panel, submerged I rnonth.* = Gravid females present.

" = Gravid females and juveniles present.

,

____ _ _ _ _ _ _ _ _ _ _ _ . _ _ - - - - - - - - - - - - - - --_ ---

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(TABLE 6. WATER QUALITY AT EXPO 5URE PANEL STATIONS

( M AY, 1985

(Depth in Salinity Temmature 02Station Date Time Peet o/oo J,0C) (mg/l) pH

k'

1 3/13/85 0900 5.0 32.5 15.0 8.0 7.42 5/13/85 0933 5.0 27.9 20.0 6.1 7.3{3 5/13/85 1002 1.5 26.6 21.1 6.6 7.54 5/13/85 1025 3.0 27.4 21.5 5.0 7.1

4A 5/13/85 1040 2.0 27.1 23.1 6.9 7.45 5/13/85 1100 1.5 25.6 27.0 6.2 7.3

( 6 5/13/85 1116 2.0 25.9 26.5 6.6 7.37 5/13/85 1128 3.0 25.2 27.4 6.5 7.3

( 8 5/13/85 1145 2.0 25.3 28.3 6.5 7.39 5/13/85 1207 3.5 25.5 24.0 7.4 7.5

{10 5/13/85 1407 4.0 22.1 24.5 6.3 7.210A 5/13/85 1314 2.5 25.2 26.5 7.2 7.410B 5/13/85 1330 2.0 25.3 25.5 6.8 7.311 5/13/85 1344 1.5 25.6 24.3 8.2 7.612 5/13/85 1430 3.0 24.5 23.8 7.6 7.6

[ 13 5/13/85 1457 3.0 22.5 24.5 6.9 7.414 5/13/85 1518 3.0 22.5 24.5 7.2 7.6

( 15 5/14/85 0935 2.5 20.2 22.6 7.4 7.316B 5/14/85 1040 3.5 19.0 23.0 6.2 7.217 5/14/85 1135 2.0 27.6 23.0 7.2 7.7{

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TABLE 7. WATER QUALITY AT EXPOSURE PANEL STATIONSJUNE,1985

( Depth in Salinity Temperature 02i Station Date Time Peet o/oo (*C) (mg/l) pH

k 1 6/10/85 0920 4.9 31.9 19.5 5.9 7.72 6/10/85 1000 4.3 30.1 21.7 6.4 7.8

( 3 6/10/85 1015 2.0 27.6 22.4 5.8 7.64 6/10/85 1034 3.6 29.1 22.1 3.0 7.3

( 4A 6/10/85 1055 3.3 28.7 22.9 4.9 7.65 6/10/85 1112 1.6 27.3 27.0 5.1 7.46 6/10/85 1122 2.0 27.4 27.4 5.6 7.57 6/10/85 1137 3.6 27.1 27.9 5.3 7.58 6/10/85 !!50 2.0 27.1 28.0 3.1 7.5

[ 9 6/10/85 1210 4.9 27.7 23.3 5.5 7.610 6/10/85 1424 3.6 27.2 23.4 5.1 7.4

( 10A 6/10/85 1320 1.3 27.8 24.2 6.8 7.710B 6/10/85 1339 3.3 28.1 24.0 6.6 7.6

[11 6/10/85 1333 1.3 28.5 24.9 7.4 7.812 6/10/85 1446 3.0 26.2 23.7 7.5 7.813 6/10/85 1515 2.3 23.4 24.0 5.9 7.514 6/10/85 1542 3.0 25.5 23.1 7.3 7.915 6/11/85 0845 3.6 23.8 22.0 6.1 7.3

[ 16B 6/11/85 0928 4.3 21.1 23.0 6.1 7.517 6/11/85 1010 1.3 30.2 22.8 3.6 7.6

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TABLE 8. WATER QUALITY AT EXPOSURE PANEL STATIONSJULY,1985

_

( Depth in Salinity Temperature 02Station Date Time Peet o/co (oC) (mg/l) pH

( l 7/8/85 0950 6.2 28.6 22.4 6.3 7.h2 7/8/85 1022 3.0 28.2 23.7 5.4 7.8

( 3 7/8/85 1045 3.9 26.0 23.8 5.8 7.74 7/8/85 1107 5.2 26.6 24.3 2.9 7.54A 7/8/85 !!33 4.6 26.3 24.7 5.6 7.7[5 7/8/85 !!50 3.6 24.5 29.0 4.4 7.56 7/8/85 1205 3.6 24.7 28.8 4.3 7.57 7/8/85 1222 5.6 24.4 26.4 5.2 7.68 7/8/85 1235 3.5 24.6 26.3 5.2 7.6

{ 9 7/8/85 1255 5.5 24.7 25.6 5.4 7.610 7/8/85 1503 5.5 23.5 25.7 4.6 7.5

| 10A 7/8/85 1355 2.5 25.1 26.4 7.1 7.7los 7/8/85 1420 4.5 25.5 26.8 6.5 7.7

|11 7/8/85 1432 2.5 25.5 26.4 6.6 7.712 7/8/85 1525 4.5 23.9 25.4 6.9 7.813 7/8/85 1550 3.0 22.3 25.3 5.1 7.714 7/8/85 1612 4.5 23.3 25.0 6.6 7.815 7/9/85 0830 4.5 21.0 23.7 4.6 6.8

| 16B 7/9/85 0855 6.0 19.8 23.8 4.0 7.017 7/9/85 0945 2.5 28.0 22.8 2.4 7.2

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( ______-a

- - - - - - - - - - - - - -, - - , c, m ,---

TABLE 9. (Contirmed)

Month No. Months GonadSpecimen No. Station Rernoved Exposed Species Sex Condition C' euunentso

1522 9 May'35 12 Teredo navalis F R Special panel

1523 a 1 May '35 12 Teredo navalis F R Special panet; necroticb Teredo navaks F R Necroticc Teredo navahs M S Necroticd Teredo navalis F PSe Tereco navahs M PS Necroticf Teredo navahs F PS Necrotic .

g Teredo navahs F PSh Teredo navahs F R Necrotic

1524 a 7 May '35 12 Bankia gaukii M R Special panel 5.

b Bankna goukii M R Necroticc Bankia gou_W M R

1525 a 12 May '35 12 Bankia Loukfi F EA Special panelb Bangia gouMi M EA

1526 a !! May '35 12 Teredo navalis M PS Special panel; necroticb Teredo navahs F R Necrotic

1527 a !! May '35 12 Bankia goukfi M R Special panetb Bankn gouWi NDG; necrotic

Banks Loukti M R Necroticcd Banks gouMi H Se Bankia goukfi M RI Bankn LouMi H Rg Bankia KouMa M R Necrotic

.. .. .. .. .. . . .. .. .. _. .. .. . .. . . . .. _.

- - - - - - - - - - - -, - ,, - - , e ,

TABLE 9. (Continued)

Month No. Months GonadSpecimen No. Station Removed Exposed Species Sex Condition Comments

1527 h Bankia gouldi H Ri Banku M M Rj Bankn goulds NDG; necrotick Banku gouMi H R1 Bankia gouldi F S

1523 a 2 May'35 12 Teredo navalis F PS Special panelb Teredo navahs F R

1529 17 May '35 12 Teredo navalis F PS Special panel

--n

1530 a 12 Jun '35 12 Bankia Louldi M PS Special panelb Bankia goukii F Sc Banku gouldi NDGd Banku gounda M R '

e Banko gouldi H PSf Bankia goulds M PS

| g Banku gouldi M PS' h Banka gouldi F S Necrotic

i Banku gouldi NDGj Banku gouldi M PSk Bankia gouldi F S Necrotic

1531 a 3 Jun '85 12 Teredo navalis F R Special panel; necroticb Teredo navahs H R Necroticc Teredo navahs F R Necrutic

1532 a 15 Jun '35 12 Teredo navalis H PS Spec' l panelub Teredo navahs M R Necrotic

~ - c n n n - - - - - - n m , , c 1- -, 1 -- + ,

TABLE 9. (Continued)

Month No. Months GonadSpecimen No. . Station Reinoved Exposed Species Sex Condition Cosuunents

1533 10B Jun '35 12 Teredo navalis H LA Specia1 panel; necrotic

1534 2 Jun '35 12 Teredo navalis F LA Special panel1

i1535 10B Jun '35 12 Bankia gouMi M R Special panel I

1536 4A Jun 'S$ 12 Bankia g M EA Special panel

1537 7 Jun '35 12 Teredo navahs H S Special panel; necrotic.

1533 a 17 Jun '35 12 Teredo navalis F PS Special panel; necrotic -,b Teredo navalis F R Necrotic =

1539 a 12 Jun '35 12 Bankia Loukii F S Special panelb Bankia goukfi M R

| 1540 a 7 Jun '35 12 Bankia goukii Special panel; NDG;; necrotic

b Bankia Loukfi NDG; necroticc Bankia Chi NDG; necrotic

1541 a 11 Jun '35 12 Bankia goukii M R SpeciaI paneIb Bankia LouMi H PS

Bankia LouW: F Scd Bankia gould H R

1542 a 2 Jun '35 12 Tenedo navalis F R Special panelb Teredo navahs F R

1543 a 11 Jun '35 12 Bankia goukii, M R Special panelb Bankia gouki M PSc Bankia Loukii M PSd Bankia mW M PS

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BattelleNew EnglandMarine Rewanh talmratory397 Washington Stnyt

)Dustmry, M.twnhuwtt5 02332 J

Telephone (617)934-5682

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