ML19220C468

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Forwards Correlation of Results from Ichthyoplankton Samples Collected by Pump W/Samples Collected by Net.Ets Require Pump Collection;Util Wants Net Collection
ML19220C468
Person / Time
Site: Crane Constellation icon.png
Issue date: 11/15/1977
From: Herbein J
Metropolitan Edison Co
To: Moore V
Office of Nuclear Reactor Regulation
References
GEL-1510, NUDOCS 7905100173
Download: ML19220C468 (3)
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  • eef e K;n.**CO*/SS METHOPOLil AN EDISON COMPANY PCST CF:'CE 3CX 542 A E ACING. PENNSY LV ANI A 19603 rELENCNE : 5 - 929 22c1
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Jirector of Nuclear Reactor Regulations Atta:

Mr. Voss A. Moore As s is tan t Director of Environmental Projects United S tat es ';uclear Regulatory Co: is sion

'4as hin g t o n, D.C.

20555 Lear Sir:

~hree Mile Island Nuclear Statica Uni: 2 (TMI-2)

Docket No. 50-320 Non-Radiological Environ ental Monitoring Progra:

Ihe Three Mile Island Nuclear Station, Unit 1 (TMI-1) Environ = ental Technical Specifications (E.T.S.) required that ichthyeplankton entrairment samples be collected by purp.

Metropolitan Edison Co pany is proposing for the Three Mile Island Nuclear Station, Unit 2 (D1I-2) E.T.S. to collect si=ilar samples by using 0.5 =eter nets.

In order to co pare data collected at ~MI-l and DiI-2 it is appropriate to correlate :he res ul:s obtained by the two gear types.

1 is Metropolitan Edison Cocoany's intent to perform this progra: as If ' ou have any questions in regard detailed in the at: ached enclosure.

f to this sub=it:al, please contact ce.

. cerely,,

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/ J. G. Herbein

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Vice President rcaTm.

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Enclosure h.'.k -

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Met-Ed Company Attach.

-? 1 11/15/77 MR. 'iOSS A. FSORE u,c o,510 CCMPARISON OF ICTiriCPLCETCN SAMPLING GEAR Purcese and Scoce The purpose cf this program is to cc= pare.cht' ycplankton sa:pling gear usec a

in the Three Mile Island Nuclear Station Environmental Technical 5pecificaticn prograr.

Entrained ichthyoplankton will be collected at the Three Mile Island Suclear Station, Unit 1 (TMI-1) intake structure to cc= pare the species composition

~

and density of ichthyoplankton collected by pu=ps versus a towed net.

Procedure Replicate (2) samples will be taken by pu p and 0.5 plankton net a 1000 and 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br /> per centh May, June, and July 1973. Atte: pts will be cade to have the sampling conducted at times of peak ichthyoplauk on density,

First, p urp s a:p les (4) will be taken as described in the 1974 Annual Report (Potter and Associates, 1975), follcwed by pump sa=ples taken in the canner described in the 1975 Annual Report (Potter and Associates, 1976).

The pressure feed tank will be used for both sets of samples. Tcwed net samples (surf ace and cblique) will be taken at 1000 and 2'JO hours as part of the required en-train =ent sa=pling.

Correlations between Tow vs.

1974 Pu=p, Tow vs. 1975 Purp, and 19 74 Purp vs. 1975 Pu=p will be calculated.

Larvae will be identified to the lowest feasible taxa using a sterecsccpic dissecting scope, and seasured to the nearest 0.1== with an ocular =1cro-meter of a helios precision hand caliper. Data fre: replicate sa:ples will be combined for tabulation and discussion.

Identifications will be aided by the folicwing raterials:

Fish (1932), Lippsen and Moran (1974), Mansueti (19 a u ),

Mans uc ti and Hardy (1967), Meyer (19 70), Norden (1961), Snyder and Snyder (1973),

and personal ec==unications, notes and reference speci= ens provided by other Ichthyological Associates, Inc. personnel.

Data analysis will consist of co= paring the species compositicn and density of the different gear types. Analyses deemed neces.ary to evaluate change shall be done by accepted statistical methods.

It is possible that an analysis of variance will be performed to test for differences in density between sa:ple dates, times and gear. Other statistical tests that =ay be exployed are the Student-Newman-Kuels cultirange test and the index of percent si ilarity.

The results and conclusions of this ;rogra= will be rcported in the May, 1979 Annual Report to the N.R.C.

References Fish, Marie Poland.

1932. Contributions to the early life histories of sixtv-two species of fishes frc: Lake Erie and its tributarv waters.

U.S. Sur.

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1EF Me:-Ed Co=pany Attach. '!1 il/15l77 MR. '; CSS A.

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Lippson, Alice J. and R. Lynn Mocan.

1974. Manual for identification of early developmental stages of fishes of the Potomac River Estuary.

Martin Marietta Corpora:icn, Environ = ental Technolegy Center, Baltircre, Ma rr land.

232 pp.

>b ns ue ti, 311:e J.

1964.

Early development of -he /ellev perch, Perca flavescens. Ches. Sci.

5(1-2):

46-66.

Mansue:1, Alice J. and Jerry D. Hardy, Jr.

1967. Development of fishes of the Chesap eake Bay region, an atlas of egg, larval, and j uvenile stages. Natu ral Resources Ins titute, University of Shryland. 202 pp.

Meyer, Frederick 1970. Development of some larval centrarchids.

The Progressive Fish-Culturist (July):

130-136.

Norden, Carroll R.

1961.

The ide.atification of larval yellow perch, Perca flav +scens and walleye, Stizostedien vitreum.

Copeia (3):

P o t t e r,

'W. A., and Associatis.

1975. An ecological study of the Susquehanna River 1. the vicinity of the Three Mile Island Nuclear Statica.

Metroralitan Ecison Co=pany, Reading, Pennsylvania.

468 pp.

Snyder, Darrel E.,

and Maryann 3. Snyder.

1975.

Terminologies for early develop ent forms of teleosts - a paper prepared for presentatica at the Northeast Division of the A=erican Fisheries Society, February 1975, New Havan Connecticut.

Rice Division, NUS Corporation Ecological Sciences Center, Pittsburgh, Pennsylvania.

53 pp.

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