ML20085M533

Answers to Aquatic Resources Questions 316 (B) Demonstration

ML20085M533
Person / Time
Site:	Salem
Issue date:	11/11/1991
From:	Public Service Enterprise Group
To:
References
RTR-NUREG-1437 AR, S, WM, NUDOCS 9111110142
Download: ML20085M533 (20)

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1 PUBLIC SERVICE ELECTRIC AND GAS RESPONSE TO AQUATIC RESOURCE QUESTIONNAIRE

1. MODIFICATIONS to INTAKE OR DISCHARGE SYSTEMS / OPERATIONS There have been several modifications to the intake and discharge structures at the Salem and Hope Creek Stations which have minimized the impact of the facilities on the aquatic resources of the Delaware River. The major modifications made to each facility are described below:

SALEM GENERATING STATION Intake Structuta- The intake structure of Salem Generating Station was modified during the middle to late '70s to incorporate Ristroph vertical traveling screens. These are operated continuously to minimize the time organisms may be impinged. Impinged organisms slide down the screens as they travel above intake water level, and are caught in water-filled buckets at the base of each ascending screen panel. To prevent re-impingement, the buckets are emptied into sluiceways which return fish to the Bay north of the cooling water intake on flood tide, and south of the intake on ebb tido.

No structural modifications have been made to the Hope Crook intake structure. However, an operational change was made to run the travelling screens intermittently. This results in a greater mortality of fish impinged. but the numbers are not significant.

Discharae Systems- There have been several operational and structural changes to the various discharge systems at the Salem Station. Major changes which have been impleme nted include the following items:

a. Improvements to the Non-Radiological Liquid Waste Treatment System- Miscellaneous regenerant traste,-chemical waste streams, generator blowdown, and several system vents and drains are treated by the non-rad treatment system. Improvements were made to this system in the areas of equalization, pH adjustment for metals precipitation, clarification, and filtration. In addition, an interlock has been installed in the discharge system which prevents the effluent from this system from being discharged to the circulating water system when there is inadequate flow to allow for proper neutralization.-

b. Abandonment of the Sewage Treatment Plant- The original sewage treatment plant was abandoned in September 1989 due to problems experienced in meeting its effluent discharge limitations. All sanitary waste flows are now diverted to the new sewage treatment facility located on the adjacent Hope Creek site.

c. Improvements in Chlorination- The impact of chlorine on the aquatic resources has been greatly reduced by several process changes which have been implemented at the Salem Station. First,

chlorine is no longer used in the condensers as an agent to prevent biofouling. Second, the amount of chlorine used in the service water system is minimized through the use of ' targeted chlorination' and an interactive control system,

d. Improvements to the Oil / Water Separators- The facilAty installed baffles in each of the oil / water separators serving the Salem Station. These baffles are designed to reduce the quantity of oil escaping in the separator discharge.

HOPE CREEK GENERATING STATION

-Intake Structure- No structural modifications have been made to the Hope Creek intake structure. However, an operational change was made to run the travelling screens intermittently. This results in a greater mortality of fish impinged, but the numbers are not significant.

Discharae Systems- The only major modification to the Hope Creek Station discharge systems has been the upgrade of the original activated sludge sewage treatment plant to the new oxidation ditch type plant. This new plant is designed to handle the fluctuations in flow and pollutant loadings experienced during plant outages and is also sized to accept all sanitary flow from both the Hope Creek and Salem sites.

2. DESCRIBE KNOWN IMPACTS ON AQUATIC RESOURCES Although there have been violations of the NJPDES permit limitations at both the Salem and Hope Creek Stations, there has been no measurable impact to the aquatic resources of the Delaware River.

The violations for each station are discussed below:

SALEM GENERATING STATION The Salem Generating Station has had three separate enforcement actions as the result of violations of its NJPDES permit con-ditions. . The suits, one filed by the Environmental Protection Agency and two by citizens' groups, resulted in the upgrade of treatment processes and operating procedures. The specific parameters found to be-in violation and the resulting actions e are summarized below:

Biochemical Oxycen Demand (BODS)- Since issuance of the Station Operating License, there were several violations of the BODS-limitations at DSN 478A. This was due largely to the variability in flow and loading' experienced at the sewage treatment plant resulting from fluctuations in site population.

This problem was corrected with the rerouting of all sanitary wastestreams to the new sewage treatment plant on the adjacent Hope-Creek site.

Total Suspended Solids (TSS)- Violations of the TSS limits occur in both the circulating water system (DSN 481-486) and the yard-drain system (DSN 487 and 489). The circulating water system is a once-through non-contact cooling water system which uses ambient river water for cooling plant processes before discharge back to the river. There are no solids introduced to this system and all violations were due to the influent river water

, TSS concentrations. This situation was corrected in an April 1, 1989, permit modification which eliminates TSS from the circu-lating system discharge standards.

4 Similarly, violation of the TSS limits in the yard drains were due to the tidal influence of the Delaware River carrying TSS throughout the yard drain system. This interfered with the yard drain sampling and resulted in the violations. This was also corrected with the April 1989 permit modification which now

. -imposes a net TSS limit.

• Chemical Oxycen Demand (COD)- Most COD violations were, once again, directly the result of influent COD concentrations in the circulating water intake and tidal influence in the yard drains.

Monitoring for COD concentrations in the April 1989 permit mod-ification was revised to eliminate COD from the circulating watcr system and provide for a net concentration limit in the yard drains. In addition, a further degree of relief was provided through an increase in the non-rad system (DSN 48C)

> discharge limitation.

Total Residual Chlorine (TRC)- Violations of TRC and Free Avail-able Chlorine (FAC) limitations have occurred in DSN 481-486 but have been largely corrected through several changes made in the use and application of chlorine. As discussed previously, the use of chlorine to control biofouling in the condensers has been eliminated. In addition, chlorine is only applied where needed in the service water system. This practice of ' targeted chlorination'

' greatly reduces the likelihood of violating discharge limits.

Additional measures have.also been taken to control the chlorine feedrate through an interactive feedback system and to prevent the use of chlorine when--there is not sufficient flow to assimilate the residual.

-Temperature- There have been several violations of the thermal discharge limitations for the circulating water system. These violations are discussed in the Section 316(b) Demonstration Report and were found to have minimal impact on the aquatic resources of the Delaware River.

Oil and Grease- Violations of oil and grease and Total Petroleum Hydrocarbon Limits (TPH) result from unusually large hydraulic

, discharges to the various oil / water separators on the site.

Several modifications have been made to these units to facilitate oil separation and prevent future recurrences.

HOPE CREEK GENERATING STATION There have been two actions filed against the Hope Creek Station for failing to meet the NJPDES permit conditions. The first, filed by the New Jersey Department of Environmental Protection (NJDEP) , imposed fines for past violations and required several studies of the discharge systems to determine if limitations imposed in the NJPDES permit are practical and achievable. The second action, filed by a citizens' group, served to ensure further compliance with NJPDES requirements by the imposition of penalties and the acquisition of additional staff dedicated to environmental concerns. Specific information on the types of violations and the corrective actions taken are discussed below:

Monitorina Reauirementa- Many of the violations were caused by failure to obtain the necessary number or type of samples either through equipment, laboratory, or operator error. These types of errors have been corrected through the replacement of old or faulty equipment, the use of duplicate samples, and better training of the personnel responsible for obtaining the samples.

Total Suspended Solids- Similar to the situation at the Salem Station, violations of the TSS limits are found in the yard and storm drains (DSN 462A, 463A, and 464) which are affected by tidal influences. As part of the settlement of the NJDEP suit, PSE&G is studying the practicality of sampling the drains ahead of tidal influence and will be submitting the results of this study to NJDEP for any permit modification. In addition, PSE&G is also completing a Best Management Practices Plan (BMPP) to control the discharge of TSS to the Delaware River due to stormwater runoff.

Chemical Oxycen Demand- COD exceedances were found to occur in the cooling towar blowdown (DSN 461A) due to the presence of COD in the river water used as make-up in the circulating water system. Similarly, violations were found in the yard drains (DSN 462A, 463A, and 464) due to the inflow of river water during high tide and storm events. These violations have been substantially decreased by the September 22, 1989, permit modification which substitutes a more representative Total Organic Carbon (TOC) for all discharge outfalls which previously had a COD limit.

Temperature- There have been several violations of the effluent temperature and heat rate limitations issued to the cooling tower blowdown (DSN 461A). An additional requirement of the NJDEP settlement is to complete a study of the cooling tower blowdown discharge with respect to the limits for heat and temperature. In the meantime, an interim net heat rate limit has been issued which increases the allowable daily maximum heat rate to a more achievable limit.

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3.

SUMMARY

OF CHANGES TO NPDES PERMIT Many of the limitations issued at both the Salem and Hope Creek Stations are based on best available technology and are not related to the water quality of the Delaware River. In order to summarize the numerous changes which have been made to the respective NJPDES permits, we will only address those non-conventional pollutants which have been issued specific water-quality based effluent standards. In addition to the changes discussed below, PSE&G has recently submitted the NJPDES renewal applications for both the Salem and Hope Creek Stations and are awaiting any permit modifications which may result.

SALEM GENERATING STATION Salem was originally issued NJPDES Permit No. NJ 0005622 on March 31, 1975. It contained limitations and sampling require-ments for the circulating water system, the non-rad liquid waste treatment system, several oil / water separators, a sewage treatment plant, and several yard drains. Since the date of issuance, the permit has been reissued twice, in July-1981 and December 1985, and went through a major modification in April 1989.

The permit changes are listed below:

July 1981 Permit Discharce Parameter Chance .

481-486 Effluent Temp Raised to 115 dog F Temp Difference New - Set at 27.5 deg F Heat Rate Modified to 16,300 MBTUs 487 Effluent Temp New - Set at 110 deg F (orig. 487A) 487A Effluent Temp New - Set at 110 deg F (orig. 487B) 488 All Monitoring Deleted 489 Effluent Temp New - Set at 110 deg F 48C Total Zinc New - Set at 0.6 mg/l (max)

Total Copper Modified to 0.2 mg/l (max)

Ammonia as NH4 New - Set at 35 mg/l (ave)

W December 1985 Permit Discharco Parameter Chance _&

481-486 Effluent Temp Modified to 110 dog F Heat Rate Modified to 30,600 MBTUs TPM New - Set at 10 mg/l (ave)

Oil and Grease Delete Parameter COD New - Set at 50 mg/l (max)

TRC New - Set at 0.2 mg/l (max) 487 Effluent Temp Modified to 86 deg F TPH New - Set at 10 mg/l (ave)

Oil and Grease Delete Parameter COD New - Set at 100 mg/l (max) 487A Effluent Temp Delete Parameter 489 Effluent Temp Delete Parameter TPH New - Set at 10 mg/l (ave)

Oil and Grease Delete Parameter COD New - Set at 100 mg/l (max) 48C TPH New - Set at 10 mg/l (ave)

Oil and Grease Delete Parameter COD New - Set at 50 mg/l (max)

Chromium (Hex) New - Set at 0.1 mg/l (max)

Toxicity-96hr.LC50 New - Set at >50%

April 1989 Permit Modification Discharce Parameter Chance .

481-486 Effluent Temp Modified to 115 deg F from June 1 - Sept. 30 TSS Delete Parameter TPH Delete Parameter COD Delete Parameter 487 Effluent Temp Delete Parameter All Frequencies Modified to 1/ year 487A All Monitoring Delete 487B Effluent Temp New - Set at 110 dog F No.3 Skimmer TPH New - Set at 10 mg/l (ave)

COD New - Set at 100 mg/l (max) 489 All Frequencies Modified to 1/ year 489A TPH New - Set at 10 mg/l (ave)

No.1 Skimmer COD New - Set at 100 mg/l (max)

- . . . . - - - __~ - _ - . - - - ..-_ _.-. -

April 1989 Permit Modification Continued Discharue Parameter Chance .

489B TPH New - Set at 10 mg/l (ave)

No.2 Skimmer COD New - Set at 100 mg/l (max) 48C Copper Delete Parameter Zinc Delete Parameter Iron Delete Parameter Chromium (Hex) Delete Parameter HOPE CREEK GENERATING STATION Hope Creek operates under NJPDES Permit No. NJ 0025411 which was originally issued July 31, 1975.- Permitted outfalls-include the cooling tower blowdown, the new sewage treatment plant, the low volume and oily waste treatment system, and several yard and storm drains.

Because the operating license was not issued to the Hope Creek Station until April 11, 1986, we will only discuss permit modifications since this date.

Hope Creek was issued their current permit on August 8, 1985. This permit was revised through a permit modification on November 1, 1989.

This modification was required to incorporate limits for Total Organic

' Carbon (TOC) in place of the existing COD limits. Monitoring for TOC is thought to provide a better representation of the effect of the l discharges on water quality. This was the only change to the permit L

conditions since issuance of the operating license.

l l 4. TRENDS IN AQUATIC RESOURCE EFFECTS OF PLANT OPERATION-L Mixing effects of tidal versus river flow cause a great _ deal of variability in salinity in the water surrounding both stations. This in turn effects the movement of fish in the Bay, which effects species composition during sampling. Onsite impingement and entrainment-studies,-along with data from offshore W-factor sampling transects, have insufficient data to indicate trends among the local _ aquatic resources. In addition, there are no State or Federal monitoring requirements in effect.

5. ENTRAINMENT AND IMPINGEMENT PATTERNS Salem Entrainment/ Impingement An extensive discussion of impingement and entrainment at the Salem Generating Station circulating water intake device is provided in the Salem 316 (b) demonstration (Enclosed). Species composition and abundance of organisms impinged and entrained varies seasonally, as discussed in the attached Salem 316 (b) demonstration.

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The 316 (b) summary states that the evidence collected and examined during the study suggests that the continued operation of Salem's cooling water intake system will not cause any significant adverse environmental impact to aquatic populations in the Delaware estuary.

Sea Turtle Impingement Sea turtles have been observed and incidentally captured at Salem Generating Station and during field sampling associated with the station since 1977. The A total of 44 sea majority of turtles have been reported since 1979.

these, thirty-eight, have been collected from the stations' circulating water intake trash racks. Of the thirty-eight turtles from the intake, twenty-six were loggerhead sea turtles and twelve were Kemp's Ridley's. All specimens were subadults or juveniles.

Loggerheads were the more common of the two species captured from the CWS intake. The number of loggerheads captured annually since 1980 ranged from zero to eight (mean = 3).

Eight-of the twenty-six loggerheads captured were alive and were released back into the wild. Among the eighteen dead turtles, eight were considered fresh dead and had either collapsed lungs or interna'l infections or damage which may have contributed to their deaths. The other ten dead Two turtles were either moderately or severely decomposed.

of these turtles showed evidence of boat propeller damage and internal infections.

Kemp's ridley sea turtles were the less common of the two species captured from the CWS intake. The number of ridley's captured annually since 1980 ranged from zero to three (mean = 1.3). .Six of the twelve ridley's captured were alive and five of these were released back to the wild.

Among the six dead turtles three were considered fresh dead and had collapsed lungs. The other three dead turtles were either moderately or severely decomposed. Two of these turtles showed evidence of boat propeller damage.

On July 12, 1989, pSE&G submitted to the NRC " Biological Assessment of plant Impacts on Sea Turtles, Salem Generating Station Unit No.s 1 and 2". This report provided a detailed description of the plant and its environs, sea turtle life histories, historical sea turtle occurrences at the plant, and projections of future interactions between sea turtles and the plant. Based upon the information presented, the company concludes that there will be noTables significant impact 1.1-1.4, 2.1 and 3.1 from plant operations on sea turtles.

show numbers of sea turtles captured at or near Salem Generating.

Station since 1977.

Hope Creek Impingement /Entrainment In October 1986, Hope Creek Generating Station proposed modifying the service water intake travelling screen controls to permit intermittent operation as needed based on differential pressure across the screen panels. To minimize impingement mortality, the service water travelling screens had been configured during construction for continuous rotation. However, it became apparent during startup and lower power testing that continuous operation was contributing to premature mechanical failure of screen components and requiring unscheduled outages of the traveling screens for continual maintenance. In November 1986, PSE&G prepared an environmental evaluation of the potential impact of modifying the travelling screens for intermittent rotation based on the three months of This impingement data that were available at that time.

environmental evaluation concluded that the additional impingement mortality that would result from intermittent screen rotation would not constitute a significant environmental impact.

To further evaluate the potential environmental effects of the Hope Creek service water intake and to improve the previously estimated impingement rates, PSE&G continued to sample impingement by the travelling screens through September 1987. As further support that intermittent rotation is not a significant environmental impact, PSE&G reassessed the potential environmental impact of intermittent screen rotation using the improved estimated impingement rates resulting from the more extensive database. This evaluation entitled, " Environmental Impact of Intermittent Operation of the Hope Creek Service Water Intake Travelling Screens," is available upon request.

6. AQUATIC RABITAT ENHANCEMENT Salem and Hope Creek generating stations have neither enhanced or ^=i degraded the surrounding aquatic environment. Enhancement efforts by organizations other than PSE&G have led to a successful restoration of American Shad and increased numbers of Striped Bass in the Delaware River.

7. PLANT OPERATIONAL IMPACT TO RECREATION AND USE OF AQUATIC RESOURCES The primary water use of the Delaware River in the Artificial Island region is for commercial shipping. The operation of the nuclear generation facility has no impact to shipping in the Delaware River.

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$ 9 Fisher t es Harvest The primary aquatic resource harvest activity in the river adjacent to Artificial Island involves the blue crab (Callinectes sacidus). The major spawning and nursery areas for blue crab are in the lower Delaware Bay, rather than near Artificial Island. Some crab larvae are transported by bay currents and have been present in past Artificial Island vicinity trawls made from mid-June through mid-October. The salinity of the waters in the Artificial Island vicinity is believed to be unfavorably low for the hatching and development of larval stages of the blue crabs.

Commercial fishing for adult American Shad (M2Ea gacidissinn) is popular in the Artificial Island vicinity of the Delaware River. Thc operation of the nuclear facility does not pose any-physical constraints to the harvest of adult shad. Among the three clupeld target species of the Salem 316 (b) impact study, the American shad was not found in Salem entrainment collections. This is consistent with the known biology of American shad in the Delaware River, where spawning occurs a significant distance upriver from Artificial Island. Therefore, plant operational impacts to the American shad fishery are insignificant.

Recreational Use The Artificial Island access rcad, constructed for'SGS and HCGS access has had a positive effect on the degree of utilization of Artificial Island by the public. The road provides ready, and literally the only land access to Sunken Ship Cove and the Delaware River.- The presence of this road has enabled increased utilization-of this area by fishermen, boaters and_ picnickers. PSE&G has also created a small boat launching area at Sunken ship Cove. This launch is to provide access to both the Delaware River and wetlands for public use (fishing, hunting and trapping).

Operation of the generating stations has not impaired recreation, commercial harvesting or other activities of man in the surrounding areas,-nor will water or land uses be restricted in the future.

8. OTHER IMPACTS ON AQUATIC RESOURCES

-The Delaware River and Bay rece ve i was ewa t et rs from a number of municipal and industrial sources. There are more than 80 L known point-source dischargers in the Delaware estuary (DRBC 1983). Delaware River Basin Commission's (DRBC) regulations specify water quality standards on discharges from individual point sources and effluent limitations for

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specific geographic zones in the Basin. These include maximum allowable wasteload in pounds of biological oxygen demand. The DRBC limits BOD discharges into the Delaware Estuary to a total of 151,00 kg/ day. Approximately 52.4 of the total oxygen demand is contributed by municipalities, 26% by industry, and 22% by tributary and stormwater overflow.

REPORTS O 9.

y . Seks.

Enclosed is a copy of PSE&G's 316(b) Demonstration Report. No additional copies of the 316(a) submittal are available. A The 316(a) report was submitted in 1974; first suppliment in 1976; second suppliment in 1978.

A decision on 316(a) has been held off pending review of 316(b) by the New Jersey Department of Environmental Protection. The 316(b) report was submitted in 1984.

SEA TURTLES CAPTURED AT OR NEAR THE SALEM GENERATING STATION Year Loggerhead Ridley Green Totals 1977 0 0 0 0 1978 0 0 0 0 1979 1 0 0 1 1980 2 1 1 4 1981 4 1 0 5 1982 1 0 0 1 1983 2 1 0 3 1984 2 1 0 .3 1985 6 2 0 8 1986 0 1 0 1 1987 5 3 0 8 1988 8 2 0 10 Totals 31 12 1 44 AQUATIC RESOURCE QUESTIONNAIRE TABLE 1.1

TOTAL NUMBER OF SEA TURTLES CAPTURED FROM CIRCULATING WATER INTAKE TRASH BARS AT SALEM GENERATING STATION Year Loggerhead Ridley Green Totals 1977 0 0 0 0 1978 0 0 0 0 1979 0 0 0 0 1980 1 1 0 2 1981 3 1 0 4 1982 1 0 0 1 1983 2 1 0 3 1984 2 1 0 3 1985 6 2 0 8 1986 0 1 0 1 1987 3 3 0 6 1988 8 2 0 10 Totals 26 12 0 38 I

i AQUATIC RESOURCE QUESTIONNAIA TABLE 1.2 ,

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SEASONAL OCCURRENCE OF SEA TURTLES AT SALEM GENERATING STATION CIRCULATION WATER INTAKE

-Months Loggerhead Ridley Totals January 0 0 0 February 0 0 0 March 0 0 0 April 0 0 0 May 0 0 0 June 1 2 3 July 18 4 22 August 3 2 5 September 5 4 9 October 0 0 0 November 0 0 0 December 0 0 0 ,

Totals 26 12 28 l

AQUAllC RESOURCE QUESTIONNAIRE TABLE 1.3 l

4 MORTALITY OF SEA TURTLES CAPTURED FROM CIRCULATING WATER INTAKE TRASH BARS AT SALEM GENERATING STATION (LIVE / DEAD) -

Year Loggerhead Ridley Totals 1980 0/1 1/0 1/1 1981 1/2 0/1 1/3 1982 0/1 0/0 0/1 1983 0/2 0/1 0/3 1984 0/2 1/0 1/2 1985 2/4 1/1 3/5 1986 -

0/1 0/1 1987 3/0 2/1 5/1 1988 2/6 1/1 3/7 i

Totals 8/18 6/6 14/24 i

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l AQUATIC RESOURCE QUESTIONNAIRE 1

TABLE 1.4

NISTORICAL 5LegeART Of KEMP'S RIDLET SEA ilmiLES CAPitmED AI OR DUltING FIELD SAsetimG AcilVIIIES ASSOCIATED ulIN SALEM GENERATING STAT 10m CARAPAE CAAAPAE nmitt IE RGNT

• LENGTN** ulDTk** ItseteAnmE ' 5Atletif M LOCAllGil 1]&BE ikilgarape) (centierters) (centierters) ( C1 (ppg) Costaf3' 11-Aig-80 Cus trosh racks Live 29 28 30 7

. 23-sep-41 Cus treek rocks Dead 4 33 29 21 seacnerate deceitiare-carepace cut-probabte test hit 13-Jul-43 Od5 trash rocks Dead 2 23 21 temmte - ti,we cottspeed 29-Ate-84 Cus trash rocks Live 32 20 11 Jm-85 Cus treek rocks Live 25 24 26 6-10 Taosed (mmK-051) and reteesed 24-Jin-85 Cus trash rocks Dead 2 2T 26 23 6-10 femete - tsses collapsed 5-Jut-86 Cus treek rocks Dead 1 19 17 25 4-7 A4,anced decomposition (1 set +)

26-sep-ST CWE treek rocks Live 1 21 19 22 1-6 Died at seest 24-Sep-47 Cut trash racks Dead 2 25 22 22 1-6 29-Sep-ST CME trash racks Live 2 23 22 22 4-6 Trarnported to Floride and reteeeed 5-Jut-as Cus treek rocks t 2 29 23 24 6-12 Taooed (muc-062) and reteneed 2T-Jul 88 Cut tresh rocks Dsed 1 25 23 28 3-5 7eneie - sendereee deceeposition probabta boet hit (poet eartem)

Suasary . 6 L ive - ==2 7=25.9 " =22.8 21-30 1-12 6 Dead

• Estimated

• • Straight largth and width '

. Autopsies and see determination done w a. Schoetkopf. nortre mi strandine Center AQUATIC RESOURCE QUESTIONNAIRE ; 1 I

srisatine, mJ . ,

TARI E 21

Bil5fMICAL Steenaf Of LOGGERl(AD SEA itAtILES CAPTURED AT OR DURiuG FIELD SAfrLING ACIIVIIRES ASSOCI ATED WliN SALEM ENERAllWG STAlt0M CARAPACE CARAPAQ nsLIER lEIGNT* LENGTk** WIDik** TE8PERAftstE 5Atletiv g MUM M (kitgarses) if_tetimeters) (contienters) ( C1 (m>t ) Costut5+

23-h e-79 River Mite 15 Live # 123 Captured in otter trs=t-reteesed e rned i

e 11 Jul-80 CWS trsah rochs Dead Carspece cut-gehte tmet hi 2 sep-80 Egg latend Point, uJ Live 62 54 Captured in otter traut-reteemed utermed 30- An-81 Rey's Sitch, DE Dead 16 51 38 Floatine ofIshore 3-Sep-81 CWE trash recits Live 47 42 25 8-sep 81 CWs trash rocks Dead 40 58 52 24 reente perforated Irweetine-prev. f reren 14-sep-81 Cns trash rocks Dead 32 54 25 Famele - moderate decangmeltion-cot tepeed lieg 10-Jul-82 CMS trosh rocks Dead ,

4 29 28 Temete - advanced decompositie 11-Jul-83 CWE trsah racks Deed 14 48 42 iesete - moderate decamposition 19-Jut-83 CWS trosh rocks need 22 54 34 taante - adverred decamposition 2-Jut- M CWs discherge Deed 42 Advanced decamaaitton 3-Jut-84 CWS teseh racks Dead 81 25 4-6 female - moderete decespositim probable twee hit (cuts en corepace) 8- An-5 CWE trash rocks Deed 7 to 36 24 6-10 femete - 8 inch cut en eerepace probable teet 15 Jut 85 CWS trash rocks Dead 16 53 43 23 10 femete - tottapsed lurqts AQUATIC RESOURCE QUESTIONNAIRE TARI F 31

MISTORICAL SLDeinAT OF LOGGEastid SEA itRILES CAPTtsfD At OR StaleG FIELD

'$AfrLiteG ACTivillES ASSOCIATED Wtiu $ ALES 3 EstaAlluG STATIOu CARAPAG CARAPAE W4TE R tElGNi* LENGiW** WIDik** IfJFitAitRE $Allulff M11 LOCATl08 EMig tillearams) <centiertersi < centimeters > t Ci tet > m 5-Aus-85 CWE treek racks Dead 2T 59 50 25 - 6-10 femmte - cottsp+ed twee T-AuS-85 Cus trash racks Dead 29 50 40 25 8-10 teneIe perforeted intsetine perite6tsm-barseshoe crab in gut 10-Aug-85 Cus trash tacks Live 15 53 43 26 6 meteesed tv se6C 30-Sep-85 Cus trash rocks Live 20 52 43 22 11-15 meteemed ty seisc 15-Jisr87 Live 70 61 24 5-8 Captured in etter trewt-reseemed erned 14-Jul-ST CWE trash racks Live 14 41 38 2T 4-8 meteemed ty se6C 16-Jut-ST Live 11 41 36 26 4-6 meteneed by se6C 20-Jut-87 Live 36 69 54 27 6 meteneed ty se6C 14-Oct-ST Dead 44 40 to 5-8 A&enced decomposition 5-Jut-88 CWE trash rocks Live 35 61 43 24 6-12 f assed (muK-063) eruf reteemed ty esc 9-Jut-80 CWE trash tacks Live 14 35 32 26 6-10 Tassed (aust-064 and aust-066) and reteemed ty 80tSC 12-Jut-88 CWs trash rocks seed 14 43 38 25 6-8 Femete - as.esive internet hemorregire-rumerous fractures of carepace 12-Jut-88 CWs trash racks sked 14 43 39 25 6-8 Famete - atmeceos lauer right time and intestine partiet impaction tv crab 12-Jul-88 CWS treek rocks Dead T 37 32 25 6-8 remale - fresh deed-tunes cot tepsed blue crab 6n out ACUATIC RESOURCE QUESTIONNAIRE TABLE 3.1 ccotinued

_. - - _ _ _ _ --. . _ _ _ . __ -- - = _ _ - . _ - .

, e a

NIS1WICAL Stage 487 Of 10GGERNEM SEA itATLES CAPItstED At GR euelmG f tELD I SADPLthG ACilWITIES ASSOCIAIED WiiN SALEM CEst'RAllNG STAfl(El' CARAPACE . CARAPAQ latIER tEICKf

• LEmGin** WIDin** TEartaAttaE SAttulif E1[ LOCAil0E o II&llE (kilemrous) (contiseters) (centimeters) ( C1 _ (supt) . C9eEnfS*

12-Jul-88 Ods trash rocks Dead M 48 39 25 68 f asste - f resh stead-tesgo cettepsed-btue crab in out 15-Jul-as Ods troch rocks Dead 36 61 46 25 T-to fusete - targ deed-btum erab in s.4 15-Jul-88 Od5 trash rocks Dead 20 49 41 25 T-10 siete - f rest, aseed-twge cotlapsed-blockage in put (clay belle) i aseemaf 11 Live I*21 kg a=53.9 n=41.7 16-26 4-15 20 Deed rarge 4-42 rense 29-123 rence 16-46 ,

• Estimated t

• • Straight terieth eruf width e Aurepelos and ses determination done by R. Schootkopf, Iterine ml Strerating Center, scioetine, sJ t

i AQUATIC RESOURCE QUESTIONNAIRE TABLE 3.1 continued

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