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Final Ja Fitzpatrick Nuclear Power Plant 1986 SPDES Annual Biological Monitoring Rept,May 1987
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Issue date:	05/31/1987
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James A. FitzPatrick Nuclear Power Plant 1986 SPDES Annual Biological Monitoring Report 1

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1 EA Report NMP61D FINAL JAMES A. FITZPATRICK NUCLEAR POVER PLANT 1986 SPDES ANNUAL BIOLOGICAL MONITORING REPORT SPDES PERMIT NO. NY 002 0109 SECTION IV Prepared for New York Pover Authority James A. Fit 2 Patrick Nuclear Pover Plant Lake Road, P.O. Box 41 Lycoming, New York 13093 Prepared by LA Science and Technology l R.D. 2 Gcshen Turnpike Middletown, New York 10940 l A Division of EA Engineering, Science, and Technology, Inc.

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CONTENTS

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1. INTRODUCTION 1-1

2. METHODS AND MATERIALS 2-1 2.1 Schedule (Permit Section 11.B.1) 2-1 2.2 Sampling Procedure (Permit Section 11.B.2,3,4,5) 2-1 2.3 Laboratory Processing (Permit Section 11.B.4) 2-4 2.4 Water Quality Determinations (JAP Ecological Monitoring Program Contractor SOP) 2-4 2.5 Data Presentation (Permit Section 11.C.3.a) 2-4 2.6 Collection Efficiency (Permit Section 11.C.3.b) 2-5

3. RESULTS 3-1 3.1 Impingement Abundance and Composition (Permit Section 11.C.3) 3-1 3.2 Length Distribution (Permit Section 11.B.4) 3-3 3.3 Biomass (Permit Section 11.B.4) 3-15 3.4 Vater Quality (Permit Section 11.A) 3-18 3.5 Historical Impingement Comparisons (Permit Section 11.C.3d) 3-18 REPERENCES APPENDIX A - EXCEPTIONS TO STANDARD OPERATING PROCEDURES APPENDIX B - PLANT OPERATING CONDITIONS APPENDIX C - SCIENTIFIC AND C0KHON NAMES OF ALL TAXA COLLECTED IN 1986 I

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LIST OF TABLES Number Title 2-1 Impingement Sampling Intensity as Required by the SPDES Permit for the James A. FitzPatrick Nuclear Power Plant, 1986.

2-2 Impingement Sampling Dates for the James A. FitzPatrick Nuclear Power Plant, 1986.

3-1 Actual Monthly Impingement Collection, James A. FitzPatrick Nuclear Power Plant,-1986.

3-2 Hean Daily Impingement Rates by Species at James A. FitzPatrick Nuclear Power Plant, l'986.

3-3 Honthly Impingement Rate Based on Flov at the James A. FitzPatrick Nuclear Power Plant, 1986.

3-4 Estimated Monthly Impingement Based on Daily Average Rate at James A. FitzPatrick Nuclear Power Plant, 1986.

3-5 Estimated Monthly Impingement Based on Flov at James A. FitzPatrick Nuclear Power Plant, 1986.

3-6 Length Distribution of Select Representative Important Species Impinged at James A. FitzPatrick Nuclear Power Plant, 1986.

3-7 Total Biomass of Impinged organisms Collected at James A. FitzPatrick Nuclear Power Plant, 1986.

3-8 Estimated Monthly Biomass of Collected Taxa at James A. FitzPatrick Nuclear Power Plant, 1986.

3-9 Estimated Monthly Impingement (by Flov) at James A. FitzPatrick Nuclear Power Plant, 1976-1986.

3-10 Estimated Impingement Abundance (by Flov) for Dominant Species at Janes A. FitzPatrick Nuclear Power Plant, 1976-1986.

3-11 Estimated Impingement Abundance (by Flov) for the Representative Important Species at James A. FitzPatrick Nuclear Power Plant, 1976-1986.

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1. INTRODUCTION James A. FitzPatrick (JAF) nuclear power plant is located on the shore of Lake Ontario approximately 11 kilometers (7 miles) northeast of the city of Oswego, New York. JAF is an 821-HVe boiling vater reactor with the water intake structure located near shore in approximately 7.3 meters (24 feet) of water and the discharge, with a 236-meter (774-ft) diffuser, located offshore in approxi-mately 9.1 meters (30 feet) of water.

Aquatic organisms, detritus, and debris enter the intake with the withdrawal of water from the lake into the submerged intake structure. Organisms, detritus, and debris flow through trash racks, which are used for removing large i* ems, such as logs, and are impinged on traveling screens, which are used for screening out smaller materials. Periodically, the traveling screens are rotated and vashed to remove any accumulation of impinged organisms or other meterial into a sluicevay which empties into an impingement collection basket.

Impingement of aquatic organisms at JAP nuclear power plant has been monitored yearly since 1975 in order to estimate species abundance and composition.

This report presents the results of impingement sbundance studies conducted by EA Science and Technology, a Division of EA Engineering, Science, and Technology, Inc., during 1986, as required by the State Pollutant Discharge Elimination Systems (SPDES) Permit No. NY 002 0109 Section IV (dated 1 November 1985) covering the New York Power Authority's (NYPA) JAF nuclear power plant.

Impingement abundance was monitored on a frequency of 4-20 samples per month i

from January through December 1986 (a total of 77 samples in 1986).

Impinged fish have been collected annually at JAF since 1975. The species composition of the impingement collections has ranged from 26 to 54 fish species per year. Alevife and rainbov smelt generally dominate the impingement collections. Other species which have been found in relatively large numbers in the impingement collections include: vhite perch, gizzard shad, trout perch, spottail shiner, and tessellated darter.

Impingement sampling at JAF in 1986 resulted in the collection of 103,075 organisms. The collection was categorized into 32 fish taxa; of the 32 taxa, 1 vas identified to family, 1 vas identified to genus, and the remaining 30 were identified to species. Two invertebrate taxa (crayfish and clam) vere l also represented in the 3986 samples. Alevife was the most numerous species {

(89,196) comprising 84 percent of the total catch. Alevife, rainbow smelt, J and spottail shiner accounted for 97 percent (99,636) of all fish collected j (102,967).

As required by correspondence from NYPA to the Nuclear Regulatory Commission (NYPA 1981, personal communication), a'l impingement samples are checked for the presence of the Asiatic clam (Corbicula sp.). No Corbicula sp. molluscs were found in the 1986 impingement collections.

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1; i-2.,-METHODS AND MATERIALS 2.1 SCHEDULE'(PERMIT SECTION ll.B.1)

In accordance with permit requirements,-78 impingement collections were scheduled between 1 January and 31 December 1986 (Table. 2-1). Stratified

- random samples were collected monthly over a 24-hour period Sample dates were '

scheduled such that no more than 10 days occurred between samples. Table 2-2 lists the scheduled sampling dates.

In 1986, 77 of the 78 scheduled samples' vere successfully. completed. On 30 April,.a sample vas. declared void (Appendix A). The sample could not be rescheduled since_there vere no dates remaining in the month. This reduced the m annual total of impingement' samples by one. On three other occasions in the I year, maintenance work prevented samples from being collected on scheduled dates..'These samples were rescheduled and successfully collected on other available dates. One other sample was successfully collected on a rescheduled

-date-to accommodate an NRC drill which occurred on the. scheduled day (Appendix A).

- 2.2 SAMPLING PROCEDURE (PERMIT.SECTION 11.B.2,3,4,5)

'All sampling procedures were accomplished according to the JAF Ecological Monitoring Program's ecological sample collection contractor Standard Operating Procedures (SOPS). Samples were initiated around 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br /> of the sampling day. At the beginning of the sample collection period, the traveling screens were rotated and vashed for 15. minutes. The collection basket, with a 9.5-mm (3/8-in.). stretch mesh liner, was then positioned at the end~of the sluicevay for the 24-hour sample period. The collection basket remained in place for the duration of the sample, unless high impingement or debris loads required that it be emptied, in which case it was removed, emptied, and repositioned.

At the.end of the 24-hour period, the traveling screens were rotated and vashed for 15 minutes. The impinged organisms were vashed into the collection basket, and the basket vas removed and emptied.

Plant operational data vere obtained for each sample date to document cooling vater flow rates, intake and discharge temperatures, and power production (Appendix B).

A subsampling routine was utilized for occasions when high impingement rates or high debris loads were encountered. The subsampling technique was based on volume, and the total 24-hour catch was estimated using the formula:

Estimated No. of Fish = Volume of Total Sample x No. of Fish in Aliquot in Total Sample Volume of Subsample The volume of the total sample was determined by repeatedly filling a volume-trically graduated container, recording the values, and adding them. The total volume was thoroughly mixed by hand or vith a shovel and spread out evenly over 2-1

TABLE 2-1 IMPINGEMENT SAMPLING INTENSITY AS REQUIRED BY THE SPDES PERMIT FOR JAMES A. FITZPATRICK NUCLEAR POVER PLANT, 1986 Number of Sampling Days Scheduled per Month (,}

January 4 February 4 March 4 April 16(b)

May 20 June 4 July 4 August 6 September 4 October 4 November 4 December 4 18

a. Days assigned within each month vere selected randomly using random numbers tables (Rand Corporation 1955).

b. Fifteen of the 16 scheduled samples were successfully completed (Appendix A).

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a flat surface. An aliquot (s) of the total sample was randomly selected and this portion of the sample was removed and measured to determine its volume.

During 1986, subsamples constituted at least 25 percent by volume of the total sample. The fish in the subsample vere then processed according to regular laboratory proce O es (Section 2.3).

2.3 LABORATORY PROCESSING (PERMIT SECTION 11.B.4)

After the impingement sample was collected, it was returned to the laboratory and all organisms were sorted, identified, and enumerated. Identification was made to the lovest possible taxonomic level, which was usually species. For the convenience of the reader, common names are used in the text, however, a (

list of common names and their associated scientific names are included in Appendix C.

Specimens (to a maximum of 25 individuals) of the following species were veighed and measured: white perch, alevife, rainbow smelt, smallmouth bass, yellow perch, and each species of salmonid. Individuals of any other species ,

I present in the collections were enumerated and veighed to obtain a total count and total veight by species, or lovest taxonomic level. l l

Total lengths were measured to the nearest millimeter. For the purposes of this report, 100 millimeters vere used as a determinant of size class differ-entiation between young of the year and older fish based on length at age information in Scott and Crossman (1973).

l Veights were measured to the nearest 0.1 gram for specimens less than 10 grams, to the nearest 1.0 gram for specimens between 10 and 2,000 grams, and to the j nearest 25 grams for specimens over 2,000 grams based on the pracision of the l scales used for measurement. Any unusual conditions, abnormalities, or presence of fish tags were noted on the data sheets.

2.4 VATER QUALITY DETERMINATIONS (JAF ECOLOGICAL M0!G 1< , JNG PROGRAM CONTRACTOR SOP)

Intake and discharge temperatures vere measured at the beginning and end of )

each impingement sample. Intake temperatures v_ere measured in the intake (in front of the trash bars). The discharge temperatures vere measured in the i discharge canal. Intake and discharge temperatures were also recorded from the plant operational log on sample days. At the onset and completion of each impingement sample, intake and discharge temperatures (10 5 C) vere determined from a bucket of water retrieved at both locations using approved ASTM l (American Society Testing Materials) thermometers. Thermometers are calibrated bimonthly according to S0P procedures.

2.5 DATA PRESENTATION (PERMIT SECTION 11.C.3.a)

Data are presented according to the requirements set forth in the SPDES permit:

a. Monthly and annual total of impingement by species and grand total over all species.

2-4

b. Monthly "mean" is equal to the total number,of fish' impinged by species on all sampling days in a given month divided'by theftotal-volume pumped on sampling days.

c. Total estimated impingement for each month was calculated using the.

formula:

D' - c _(x)-

v vhere D . total estimated impingement c - the number of fish collected during the sampling period v - the volume'of. cooling water used during the sampling period x - the total monthly volume of cooling water used.

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The annual impingement estimate was then calculated by ' adding the 12 monthly impingement estimates.

d. Additional tables were calculated for mean daily impingement rate-(total number of fish. impinged by species on all sampling days in'a month divided by the total number of sampling days) and a monthly.

estimated impingement. based on rate (mean daily impingement rate multiplied by the total number of days in'a particular month) and are available for comparison of data presentation methods.

e. Monthly and annual totals of biomass (grams) by species and grand totals over all species.

f. Total estimated biomass (adjusted for flov) vas calculated in the same manner as estimated impingement.

2.6 COLLECTION EFFICIENCY (PERMIT SECTION 11.C.3.b)

To assess the efficiency of the traveling screens in removing impinged organisms from the circulating water intake system, a collection efficiency study vill be conducted at JAF.

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3. RESULTS.

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3.1 IMPINGEMENT ABUNDANCE AND COMPOSITION (PERMIT.SECTION 11.C.3);

Impingement-sampling.at the JAF nuclear power plant during 1986 resulted in;the

-collection of. 103,075 organisms. The collection was categorizedLinto.32 fish

'taxat 1:vas' identifiable to the family level, 1 toLthe. genus level, and 30 were' identified to ' the; species' level. - Two invertebrate categories (crayfish and clam) vere also. represented in the 1986 samples (Table 3-1).

Alevife was the most numerous species, comprising 84 percent of the total .j catch. Alevife, together with rainbov smelt and spottail shiner, accounted for j

-1 97 percent of the total catch.

Five taxa collected.in all 12 months of 1986 vere alevife, rainbow smelt,.

spottail shiner, sculpins, and crayfish. White. perch, yellow perch, and =a

smallmouth bass. vere collected in 9, 8, and 6 months, respectively, of 1986. l Temporal distribution of salmonids ranged from 1 month'for rainbow trout to 6

. months for brown trout.

l Species diversity in 1986 vas highest in the spring when 25 species were.

collected in April and 26 were collected in May. The lowest species diversity occurred in September. Eleven species were found in samples collected in September.

Impingement samples were dominated by rainbow smelt in the vinter (January, i February,.and March), late summer, and fall (August through December). Percent composition ranged from 41 percent of the organisms ecliected in March.to 84 percent of those collected in December. Alevife dominated the samples .

collected from April through July. Percent. composition of alevife ranged from. l l

79 percent in' June to 95 percent of the organisms collected in May 1986.

.0verall, impingement collections were highest in April and May with the peak of abundance in May (62,628; 61 percent of the annual total). A smaller, secondary. increase in abundance occurred in July,- August, and September as a result of an increase of young-of-the-year (YOY) fish (Section 3.2) in the samples. Generally, greater impingement collections occur during the spring

.and early summer as adult fish (particularly alevife and rainbov smelt) migrate inshore to spavn. Impingement abundance then decreases through the summer as the adults finish spawning and move offshore. Impingement rates increase again in the fall and vinter as YOY become larger and move offshore. -The predomi-nance of YOY at this time can be associated with the movement of large schools of YOY from their inshore nursery areas to overwintering grounds in the deeper vaters of Lake Ontario.

Previous impingement samples in the vicinity of Nine Mile Point (EA 1982, 1983, 1984, 1985, and 1986) have indicated that the impingement rates can be affected by specific meteorological conditions. High vinds from the vest or northwest and the resulting vave action seem particularly influential on YOY abundance.

At JAF, the above stated meteorological conditions occurred in August 3-1

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l August (samples of 28 and 29 August) and September (sample of 16 September). I On 28 and 29 August, 15- to 30-knot vinds from the vest and northwest resulted I in the-collection of 76 percent of the monthly colleciton of YOY rainbov smelt.

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For the sake of comparison, rates and estimates were calculated using two different methods discussed here. The mean daily impingement rate (Table 3-2) was highest.during the spring (April and May) and late summer (August and September) which corresponded to actual peaks of abundance reported for 1986 in Table 3-1.

Impingement rates based on flov (Table 3-3) are lover than the mean daily impingement rates expressed in Table 3-2. The variation is due primarily to i the methods by which the data are produced. The. impingement rate based on flov is expressed by volume (number of fish per million cubic meters) of circulating vater pumped. .The mean daily impingement rate is expressed as an average of the number of fish caught per sampling day per month. The rate by flow method adjusts for outage conditions and variations in the volume during day-to-day plant operations. The mean daily impingement rate may be influenced by short-term phenomena such as changes in meteorological conditions.

The estimated number of aquatic organisms impinged at JAF nuclear power plant (based on daily average rate) vas 261,637 (Table 3-4). The estimate of impinged organisms based on flow was 260,062 (Table 3-5). The differences i.

between the two estimates may be attributed to the two bases from which the !

estimations were made and the influence of plant operating conditions and weather on data collected. The estimated impingement by flov for October is higher than the estimate by rate. The estimate was influenced by a brief outage in October. One impingement sample was collected when only one !

circulating and one service water pump vere operating. As a result, the number i of fish per volume of water was higher and produced a higher estimate. Esti-mated annual impingement of alevife for 1986 was 175,544 and 175,200, respec-tively, for both methods (estimate by daily average rate precedes estimate by i flow). These values represented 67 percent of the total estimated annual l impingement (for both methods) in 1986. Estimated impingement for rainbov ;

smelt was 66,666 and 65,357 (25 percent), respectively, for the two methods of i determination. Estimated impingement for the other RIS collected in 1986 are as follows: yellow perch (278, 269), white perch (1,289, 1,263), and small-mouth bass (151, 136). Annual impingement of the salmonid species was ,

estimated as follows: brown trout (135, 125), lake trout (45, 43), chinook salmon (14, 12), and rainbow trout (2, 2). l 3.2 LENGTH DISTRIBUTION (PERMIT SECTION 11.B.4)

Length frequency distributions are given for the following representative important species (RIS): alevife, rainbov smelt, white perch, yellow perch, smallmouth bass, and the salmonid species (brown trout, rainbow trout, lake trout, and chinook salmon) in Tables 3-6a through 3-6f. Alevife collections vere dominated by adults and subadults from April through July.

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YOY dominated the alevife collections from August through December. Collec-tions in January and February were limited to a few individuals of which all but one were adults and subadults.

Impingement collections of rainbow smelt vere dominated by adults from January through May and also December. YOY dominated collections in June and August l through November. During several months, the YOY rainbov smelt were damaged to l an extent that made it impossible to accurately obtain length measurements on individual fish (e.g., July, August, and September).

A total of 66 percent of the white perch neasured were YOY, and were collected in eight months of 1986. YOY dominated the white perch collections in the winter (January, February, and March) and late fall (December). Adults dominated the April and May white perch collections.

Yellow perch vere collected primarily as adults in 1986. A total of two YOY yellow perch were collected in impingement samples from May and December 1986.

Smallmouth bass were collected primarily as adults in 1986. They were generally collected as individuals or in small numbers.

The salmonid family was represented by brown trout, rainbow trout, lake trout, and chinook salmon at JAF in 1986. All brown trout and rainbow trout were collected as adults. The chinook salmon collected were all parr-marked young.

The lake trout vere collected as parrs and as adults.

3.3 BIOMASS (PERMIT SECTION 11.B.4)

Total biomass collected in the 1986 impingement samples at JAF nuclear power plant was 2,450,092 grams (2,450 kilograms). Alevife (2,136,956 grams, 2,137 kilograms) comprised 87 percent of the total biomass for 1986. Rainbov smelt (58 kilograms, 2 percent), rock bass (46 kilograms, 2 percent), gizzard shad (36 kiJograms, 1 percent), and bronn trout (35 kilograms, 1 percent) were second through fifth in rank, respre.tively, by veight (Table 3-7). The remaining RIS, yellev perch, white perch, smallmouth bass, and other salmonids, are represented by a trace percentage by veight) of the total biomass.

The estimated biomass (based on flow) vas 5,516,301 grams (5,516 kilograms),

of which 74 percent (4,089,557 grams, 4,090 kilograms) was estimated as the veight of alevife (Table 3-8). The biomass of gizzard shad was estimated as 263,729 grams (264 kilograms, 5 percent) and placed the species second in rank.

The estimated biomass for rainbov smelt was 235,309 grams (235 kilograms, 4 percent). Brown trout biomass was estimated to be 205,328 grams (205 kilo-grams, 4 percent) for 1986. The biomass estimate for rock bass was 152,609 grams (153 kilograms, 3 percent). The difference in rank of the species listed by total biomass and total estimated biomass could be a result of the influence of plant operations (vater pumped) during the time (s) of collection. Total estimated biomass is adjusted for flov and not veighted for abundance; thus any change in plant operating conditions vould influence the estimates for biomass.

Most of the rock bass were collected in May when a large percentage (65 per-cent) of the water pumped during plant operations was sampled. By contrast, 3-15

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most of the gizzard shad vere collected in January when only 13 percent of the water pumped was stmpled. Therefore, the estimate of biomass per volume of water pumped for gizzard shad would be higher.

3.4 WATER QUALITY (PERMIT SECTION 11.A)

Intake temperatures recorded from grab samples taken during impingement sampling at JAF ranged from a minimum of 2.5 C on 28 February to a maximum of 22.5 C on 4-5 August 1986. Discharge temperatures taken on sample days (when the plant was operating near capacity) ranged from a lov of 17.0 C on 10 December to a high of 38.5 C on 5 August 1986.

3.5 HISTORICAL IMPINGEMENT COMPARISONS (PERMIT SECTION 11.C.3d) l Impinged fish have been collected annually at JAF since 1975. Estimates (adjusted for flow) of total impingement for the years 1976-1986 are shown in f Table 3-9. Abundance peaks generally occur in the spring and early summer '

months as adult alevives and rainbow smelt move inshore to spawn. This seasonal movement is primarily determined by water temperature and may cause the dates of the abundance peaks to vary from year to year. After spawning, the adult fish move offshore and impingement abur. dances decrease. Another peak in impingement occurs in the late summer and early fall when YOY of both species (which remain in shallow, inshore nursery areas and grow to impingeable size) are impinged.

The species composition of impingement collections at JAF has ranged from 26 to 54 fish species per year. Alevife generally dominated the impingement collec-tions with the exception of 1978, when threespine stickleback dominated the collection; and 1977, when rainbov smelt vere first in abundance (Table 3-10).

Other species which have been found in relatively large numbers in impingement collections include: white perch. 6 zzard shad, trout perch, spottail shiner, and tessellated darter. Biological factors such as population size, migration patterns, schooling, and spawning behavior, in conjunction with environmental factors such as water temperatures, currents, and local meteorological condi-tions can influence the number of fish in the vicinity of the JAF intake. The number of alevife and rainbow smelt in the vicinity of the JAF intake is influ-enced by the seasonal movements already discussed, and by netural fluctuations in population size occurring in their respective stocks. It is well documented ,

ir. the literature (Scott and Crossman 1973; Christie 1974) that both species exhibit definite periodic fluctuations in population size.

Large die-offs of alevife have been reported since their appearance in the Great Lakes. According to the U.S. Fish and Vildlife Service and New York State Department of Environmental Conservation (Elrod et al. 1979, 1980; . .

O'Gorman and Schneider 1986), the population of alevife in Lake Ontario declined due to a die-off during 39'6-1977, a vinter of severe cold. Losses were estimated as high as 60-75 percent of the population in the vicinity of ,

the Nine Mile Foint proniontory upon which JAF is situated. Decreased impinge-ment collections of alevife were evident for several years (through 1979).

In 1980, impingement abundance of alevife increased until 1982-1983 when t

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another vinter die-off occurred and caused a reduction in the alevife popula-tion. The abundance of alevife in the impingement increased in 1984 and 1985 and decreased slightly in 1986.

Rainbow smelt populations have also displayed some fluctuations in the Great Lakes from year to year. U.S. Fish and vildlife Service biologists have noted yearly fluctuations in the rainbow smelt populations with high recruitment occurring in the odd years (O'Gorman and Bergstedt 1982, 1983, personal communication.) Lakevide natural fluctuations may not be as easily discernable from impingement collections as one might expect, since a large collection of YOY could be impinged at c time prior to their recruitment to the lake population. This vould be demonstrated as a peak in abundance at a time when predictably the natural population vould be shoving a decrease in overall population size.

Short-term meteorological conditions also influence impingement abundance.

As previously stated (Section 3.2), impingement collections at JAF are affected i by specific veather conditions such as high vinds and vaves. Lifton and Storr (1977) found statistically significant correlations between vave height, vater temperatures, and vind action and impingement at power plante on Lake Erie end Lake Ontario. They hypothesized that vave induced turbulence, and possibly turbidity, interfere with a fish's normal ability to detect and avoid an intake structure, resulting in higher impingement.

A determinant of impingement abundance estimates is the timing and duration of plant outages. During outage conditions, the main circulating vater pumps are generally shut dovn for extended periods of time. Since little or no va c is being pumped through the intakes, the impingement process is reduced.

Annual impingement abundance estimates for the six representative species are shown in Table 3-11. Changes in White perch and smallmouth bass numbers are most likely attributable to the natural fluctuations of these populations and the influence of plant operating conditions and weather on the irnpingement process. Since 1979, yellov pet ch im;>ingement numbers have followed a Inkevide decline in the overall population. The estimated number c'. impinged yellow perch increased slightly in 1982, 1984, and 1986. During those years, the plant remained in operation for a greater number of days. In 1981, 1983, and 1985, refueling outages influenced impingement abundance.

Estimated impingement abundance at JAF in 1986 vas lover than other non-outage years and appears to reflect the natural fluctuations (O'Gorman and Bergstedt 1983, personal communication) exhibited by the local alevife and rainbov smelt populations.

Overall, the impingement of fish at JAF appears to have little effect on the species composition of fish population size in the vicinity of the nuclear power plant. Rather, it is a reflection of the result of natural mortality, spavning success, and meteorological influences on the local fish community structure. Impinguent totimater vill also reflect the plant operating conditions and patterns. No long-term trends toward reductions in the major fish populations in the visinity of JAF have been apparent.

3-21

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REFERENCES Christie, V.J. 1974. Changes in the Fish Species Composition of the Great Lakes. J. Fish Res. Bd. Canada. 31(5):827-854.

Ecological Analysts, Inc. (EA). 1982. 1981 Nine Mile Point Aquatic Studies.

Prepared for Niagara Mohavk Power Corporation and Power Authority of the State of New York.

EA. 1983. 1982 Nine Mile Point Aquatic Studies. Prepared for Niagara Mohawk Power Corporation and Power Authority of the State of New York.

EA. 1984. Nine rfile Point Nuclear Station 1983 SPDES Annual Biological Monitoring Repert. SPDES Permit No. NY 0001015 Section IV.C.

EA. 1985. Nine Mile Point Nuclear Station 1984 SPDES Annual Biological Monitoring Report. SPDES Permit No. NY 0001015 Section IV.C.

EA. 1986. Nine Mile Point Nuclear Station 1985 SPDES Annual Biological Monitoring Report. SPDES Permit No. NY 0001015 Section IV.C.

Elrod, J.H., R. O'Gorman, R. Bergstedt, and C.F. Schneider. 1979. Status of the Major Forage Fish Stocks, U.S. Vaters of Lake Ontario, 1978. Report .

presented at the Great Lakes Fishery Commission, Lake Ontario Committee I Meeting. 13-14 March 1979. l Elrod, J.H., R. O'Gorman, R. Bergstedt, and C.P. Schneider. 1980. Status of l Major Forage Fish Stocks, U.S. Vaters of Lake Ontario, 1979. Report presented at the Great Lakes Fishery Commission, Lake On'ario Committee Meeting. 4-5 March 1980.

Lifton and Storr. 1977. The Effect of Environmental Variables on Fish j Impingement, in Fourth National Vorkshop on Entrainment and Impingement (L.D. Jensen, ed.), pp. 299-311.

1

-New York Power Authority. 1981. Personal Communication. Letter to the !

Nuclear Regulatory Commirsion (JAFP-81-0533), dated 21 May 1981. l 1

0'Gorman, R. and R. Bergstedt. 1982. Oswego Fish and Vildlife Station.

Personal Communication.

O'Gorman, R. and R. Bergstedt. 1983. Oswego Fish and Wildlife Station.

Personal Communication. l O'Gorman, R. and C.P. Schneider. 1986. Dynamics of Alevives in Lake Ontario Following a Mass Mortality. Trans. of the Amer. Fish. Soc. Vol. 115. I pp. 1-14. January. l Rand Corporation. 1955. A Million Random Digits with 100,000 Normal Deviates.

Free Press, Glencoe, Illinois.

Scott, V.B. and E.J. Crossman. 1973. Freshvater Fishes of Canada. I Fish. Res. Bd. Canada, Ottava, Canada. 966 pp.

________-___a

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APPENDIX A EXCEPTIONS TO STANDARD OPERATING PROCEDURES l.

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APPENDIX A EXCEPTIONS TO STANDARD OPERATING PROCEDURES FOR IMPINGEMENT AT JAMES A. FITZPATRICK NUCLEAR POWER PLANT, 1986L 19 MAR Rescheduled Impingement Sample - The. impingement sample scheduled to be set on 19 March 1986 could not be set. The circulating vater pumps and. service water pumps were shut.

down for maintenance work and no water was available to vash the traveling screens. The sample was rescheduled and completed on 27 March 1986.

30 APR Void' Impingement Sample - The impingement sample schedule for collection on 30 April 1986'vas declared void.

Traveling screen "C" was inoperable due to maintenance work.

Vorkmen cleaned fish and other debris from the traveling

-screen and dumped it into the collection basket during the 24-hour sampling period. This introduced an unknown. number of fish into the sample and caused it to.become void. .The sample could not be rescheduled since there vere no-available dates remaining.

5 MAY Void Impingement Sample - The impingement sample scheduled for collection on 5 hii7 1986 was declared void. Traveling screen "C" vas inoperable due to maintenance work.'

Maintenance people working on the screen removed an unknown number of. dead fish from the "C" screen intake canal and dumped it into the "B" screen intake canal during the 24-hour sampling period. This. introduced.an unknovn numbei of fish into the sample that vould not normally have been present, therefore, voiding the sample. The sample was rescheduled and completed on 6 May 1986, 10 MAY Void Impingement Sample - The impingement sample scheduled for collection on 10 May 1986 vas declared void. Traveling screen "C" vas inoperable due to maintenance work and the "C" intake gate was lowered. Dead fish that were trapped between the screen and the gate vere introduced into the intake area when the gate was raised during the 24-hour sampling period. This produced an unknown number of fish in the sample that vould not normally have been present, therefore, voiding the sample. The sample was rescheduled and completed on 11 May 1986.

18 JUN Rescheduled Impingement Sample - The impingement sample ;

scheduled to be set on 18 June 1986 could not be set due to an NRC drill which took place on the same date. The sample was rescheduled and completed on 17 June 1986.

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D

APPENDIX C SCIENTIFIC AND COMMON NAMES OF ALL TAXA COLLECTED IN 1986 l

I 1

1 l

l l

SCIENTIFIC AND COMMON NAMES OF ALL TAXA COLLECTED IN 1986 Scientific Name Common Name Alosa pseudoharengus Alevife Ambloplites rupestris Rock bass Amia calva Bovfin Anguilla rostrata American eel Cambaridae Crayfish family Catostomus commersoni White sucker Cottus spp. Sculpin family Couesius plumbeus Lake chub Cyprinidae Minnov family Dorosoma cepedianum Gizzard shad Esox lucius Northern pike Etheos' mia cimstedi Tessellated darter Gastercs;lus aculeatus Threespine stickleback Ictalurus nebulosus Brown bullhead Lepomis gibbosus Pumpkinseed Lepomis macrochirus Bluegill Lota lota Burbot Micropterus dolomieui Smallmouth bass Micropterus salmoides Largemouth bass Mollusca Clam Morone americana White perch Morone chrysops White bass Notropis atherinoides Emerald shiner Common shiner

~

Notropis cornutus Notropis hudsonius Spottail shiner Noturus flavus Stonecat Oncorhynchus tshavytscha Chinook salmon Osmerus mordax Rainbov smelt Perca flavescens Yellow perch Percopsis omiscomaycus Trout perch Petromyzon marinus Sea lamprey Salmo gairdneri Rainbow trout Brovn trout l Salmo trutta Salvelinus namaycush Lake trout !

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