ML20217Q484

1997 Annual Environ Rept,Non-Radiological,BVPS,Units 1 & 2

ML20217Q484
Person / Time
Site:	Beaver Valley
Issue date:	12/31/1997
From:	DUQUESNE LIGHT CO.
To:
Shared Package
ML20217Q474	List: L-98-085, Forwards BVPS 1997 Annual Environ Repts,Radiological & non- radiological.Non-radiological,encl in Entirety,Contains Pertinent Info on Biofouling Program ML20217Q476 ML20217Q484
References
NUDOCS 9805080138
Download: ML20217Q484 (78)

Text

f 1

I 1

ATTACHMENT 2 1997 ANNUAL ENVIRONMENTAL REPORT NON-RADIOLOGICAL i

l l

9805000138 98 (M

ADOCK 05 34 PDR

-. - >. ^ -

4' F ' '. A.

A,, S',. ' ' Q'N ^ u'C. e '

• ' '.Y '. h ' '* ' i..

-Y : '..L,

y- :

.,'. ' ~~.

". :~

. ': -'a...

.-1

, '.:.........-~.;.....s.-'

r

~-.

- +

) l. {l:' * '.

. 1 1

-i '. '. :l _.- :

N -

....,...... 'q'.N, ',. L. '.

'z_

A.'-

S :.'):(& jj:} lM J h. ll

..a x

r

+

-..:, o.

.n. >,,,.,._.j: ;.y.

4 ; g

• _ 3,

. y. 3,, :, :... ; s n..

.. e

,4 _.p..;

g i..

_s

'*),.

e.

,,t, g. j.,..,; g, _ 3. y '_. _,,.,. _, _.. <-3 1.-

c

.7 c

.., - e

,.. - -......,.,g.

.g'. '(

.,;.[.

.+

r~ '.j l,.

-}

,.. ', '. _ };'.,,. _ ' ' _...

y ' hr r_ '..,,

.L..

w...

t

• ),

. 7y

[-

y.c

. a.

....g"....

e

,.. ~

,..... ',,. +_,p., ;

. '.,,,4.' '.'

- a'y.,,.. h. >. : :. j......'.3,..;.

r:

?., - ?; - * ~

c-

f.

,,y l.. :.e...

s..

,s '.-,.,.-.. -.-. ' l, y

,n

^

A

'N.

s

.-..g.

L.g_

.- =.: :

f.:.' ;' '_._',;(;

'.~,*

-... i ; ?.

n9, ' :.* +..'

_.,.[ l ' _ ' '.

,, (,.n ;

. s; '... ];

.: ' ;?...-._. p y.,

.1. :

. + - ~.

. ~

' ' ^'

.. c,

..s ;.- _ ;.;....;_,,..

e l-

A

,i _ _

_. '.. ',, ;. '. l.5.. [..Q..;. ',,, '.. ; G. f _

3.

. ~,,....,_.

c t.:. -..

y.

q....

,f,*g.,

1

.,7

,',e,..,.

,?,.

-'-k:~ -

E..L. -..

.7

'.,4,,' +-

, h,-, +. -.. 6 f., f,. ',

r.9,. l -.

4. : y^...; :......q...,3. :. ; ry.

,.:. ~.. '...'..3,.,*?s_:,

. ",-c.,

. ='..,,,sg.,

7,

,f,',.

+-

t-

'.=N

+. -. v

.-., -. [ j' f

.,,,' ',s..,

',1~

o..- v b.,>*.

.g

... -r

+

e 2

w, t

s.

4.,

- g. r.

,cy

-7

~.

+.,..;,

y

-, '. -yl. - -'. ';,. '. ',. _.- -

.'l V *i.

y,

...Y. i....e.4. 4~ b.'..

... 1 a

+; < ; -

- +

..i w..

v3.. ~;;_..,-

.s...,.,-_

y.

u.

.. + e. :

.s,

-. *l -.

E.,. ;;~;t,.

s-.

+

,.,,c,' 's j z ;.,,..,.,.,'.

.:,.?..-

.s

.m..'*

_'- ^..;*

v

..r.-

y ;. -

.....q,

.:...... tig (,

g.

}' :.,..) '

, ;,. ;g......

. ;- :. ~:

.-..,.4,,,

-.m'

-..h,..'..,.+... -...< -_ -,, -

+,.

,..,, +.

,4

.;,s g,: *, L,,.

_1,.n,.

s.

-)

.c, h. ;..

+

p

.4

-u..

v

,,,...x-s.

.....s; *r,.

32..- _.. ',.., y.;..

<\\..,,..,... ~...~

W..

s,.

s>..., -

s f...,.. y,,, n....

p,s s.,.,,..r

'.

p.'.>1:.,. -4 r

c.

m,., ' y;...

....,;.I. y f.... ;

+* -

.... _ 1 g..e....;

's t. e (.,; ;

h. :..._.E

i*

'f,

' (,' j,~,l '. : : ',: ';.

.5+

-..yr / 2,., a i..,..i..'.'

i.

}W' ' } ;-f ' '.'. ' ' ', :. '.i :X '. W..,, r..

c.,., '.. a. 2,s.,.; '.,e,.';..,.,..'..t

...~,....~.-

..;.n,'

.--.. (,'

___ - ;gi,.

+. =..

p

.. y

..,;,c. '.,r,,,-.

,.'...j....

e pL /. -..

...;....y...

..;~,.e......

r.

. 9 c. _.:......,.

..,y,

d'.

,,.,,f,,q;

~+

ys:

..s n. -, '.,,...".-, {. ').i :: J,Q L.,

,.. } *C. ',

y.i.p%; p 1; ff ::, ;.,7

f. p^,h. ?,. );ll

.q', s. ' _

,st _. '.,'.,.;.. yo

' ' Y; '..,

s_.. _} q'.(:_

-.,,;p.-

1.. _,..

' ~ ",,

++ :

'- -~- -

L s.

~,;,

.'A,~'.

f*.-

,,:+1,.:-.',, '.;,.

dg.

,,.;.,...... 4 ;.;,

6

'.... ' g.,.. _ _- -. _ ;;;,...

.w.

y..,

'd,,

-y

• I '.q ; 4,, -

9g, w,._._..,..j,. c..,,.,,,.

.J

.p._

~

.a,.4=.. I.:.+. - -....,

.t

,.c,.,s..

t...,..

8

....'.,L,.

s

't.,

+,

.., -. s.b

. - ].

s,...v,'.,,...;O.:

t '

4, 9 '..y _ ; ;;,,..,..., ;...., -.

'f. f.'

-. i.. :...

..-a

,...s

.'}..,-.;.'- '._

[,.

..,?.-

_.)

. u..: ; ;.... +.., '.

.(.

-(. ;

'),,

g v:

1,,.,

• ,. _ =.

.....?. {n

-)

.y.. i' s s

s.', -,.-,.. ;,. -

.t,

__l' ',.

+

lp..;,

,4

,.. ',,-. q.

v. ?. J '; :

y

. }

?

J L.. ; ;.. _,'..,....,.

.8,

,.f.. +. * - c.i

.5

,.p...,

,?

s..v.*

,y.,__,

9

. +

_. - 1 i

y ;

L

.. ', ;...,,, - %.,

.. t ;

s.,;

. (..

e.., _.. -. ;..q..;..

,.....s

.l'...',,,.....,..';. *.,. -, - -.- Q:,,...,, [..

g v__. 3

v y _,.:; -.

v.

_,,e,

+..,

.g_

1....,

i w..*

,;';>p

. c d_Q....... c.. '.. l.~ :.......

,;.-'u...*l' p.

,.?

v t v.

ty_

. [. :

.,.+.

j...,. r *M m, ?

. J '/v 2 e

. '., v.'..,.. " j 7

, b.

....,,.9-

'..,s

, f..,3.:;:'u..-

f..

3... ' -

e 1

.g.,-..,

t..:

n

....,.w 4.,.....,...,......

c.

. g;a :.. f, <....g::G.f_.:,) l; s.1.y

. L:

(l [.

r'.'.' ;..

,a... ".,... ';

'u.

,. +

a. ~ _ b,.,

y.. n.,

. s.. u

~

y p*....,

-e s.,. %,,;g.\\;a r..r g.y w;, %s,

.... -..-g, 4

.a

.:...A p

-3 u

4 '-.._

,y:

n

. +

. m.1 g gy 't.

p.g.3. :gv - W

,. $.;) j.;k 3: gy'[.[,wy, a,%'.

' ' f:p','

" ' *._ q * ',. _:.,; _..

.;. ;, { :: ' ', qf.f, ta y,7.

[,,.^._

u...

-)

! -. g., i.

,, lg.-

s., y

. c,;.*

o f..

3, n

... vg.y.{.

,.. 97%.g. d nh.;q.::';:. - (_.

.y.....,.i:

.. : : ~ _,-,,.,,s:.

c,..

-., ' ^... - -

.,y ):,%. -

,,._.j,,..,.c a

1,.'.). 'n '.,', j ' [ '..,,. ;., ',> M....

. q'...

..;. :a

- ~-....

,S ',,

a.,

r.

4....'j.)

3

...,a 0;(g ?, p >y/,.

',e - G. '.,: j...,.*, ?.,. 'g fK, f,y1 r

c..'.=.~,.,'.,....e.,.....,,/.......

'.(.,c.

.. M

',y '.'.J.. ~ y,,,. ( :,.,,

...' d

,n if

?

~. ;.'

V.

4, c ;, w. f.

+

v.

.1

,y-

....'3,...;,.......,..c. n.;..,, l.

.gs

..,f, 4

. e

.otf

,q s ~. s,. s,,....t,.;,; g, ';.,,

-g *

.s.~,v... y in '..' -

L-

<+.

a..

.s

.. - ~ - -..

3... ;

.o v

,....,...',.m.

?.. (.s,a.L

...t

.... - -...a.^

.,....e.:.. :...J.

- ;r, '

c.;g.,h,'

a.

t.

/:

,.e L;.

Q':' ',

',,.f.'

.. G 3;,,g;

[l..'3

l '. ;.-..

.q

3, ;,'.,,,, y, L

.. - 1 y..

v. > '_

sy ? b : l N f,*....c,..r.;,'.f f' ']. j '..; &...._, ' _ y,

.,,_,y' z_

^L.<.

...ylf_ %.... i. $ i,[':,2..;

..';Yri jf; :*'.'.,.J g.'..$..; '. +.'u:.,*. ' ',' ;.,

.r n,Ae, ',f..',;h f l'.,N., ? : ' j. i '* f

'l _.Q, e s+

. ~ - 8 : lh

\\.

'v_.. l l. ;. _ f. c[.j ; f.V '

.' ^

h. ? );,' ~ 9...

. ' ' ' \\. Y ".'.i;,,;,.'

. m n. s., ;. Q,.,p*.'._

'w% g.'.; +

3-.,,.

R

s 4 ef 1 +

,":... '.~g.,y.

....;. ;; c....( ;

c, r.

,.r,.. 2;

- - '..u,...

w,.....

.s

$,y., n., e...b :.:.;. ;: ; ;. m v. %,.%.::

e.-

.:p ;..s...

i.r., ;.; ~. -,....

..?;3 -

t 1

j.,

,.....,.a.m.......

~..

n<

.?,

t

'A n

m':4.\\,::<?.:...v.~,s,

' p '.u:y~.: :. - l ~ w : >...;. _

2

~.

<..u.

.4

,s,.

~

. ~, %v...i : R.,. : ?.

s :

. s.

.. + e...<....

y. n. '.

,... : ' a

.y n..,.:.. y, >.,

H. W..) :. ~ -

m.............

.; ;v

.c

.3.,.,....s....:

.s

, a s.

.g...._.~.

..w:.,... _, -

r t y >: n,,,;. :.~.

.,.,..,m..

T. G. e.

.,. '..y,..'.'.7.. N.. :.$..,,,..y...e ; ;; " > x :. - 7,.

s...<

.J. ~Q,'.: 1:..',. ;, s

..L..,,. ',, %, :M,.. 4,. v;:.

p.,..-

w

._',... ;,.v;,..' 6.,....;

..,.w.,-

, ;..:.:.y; ; C..:

s p

s...,

3. g)e. :..,, y.w,', _,y %,.*

5,.. m. :2,.. ? -; m. ( :.;.,:.9

... 3c

..w

,,.. p. :

e' -).. /. _ u.

, -A

. p.,;,%

m..,. h.& m.,.,,

i.a.

• .^ :.u.-

A

,. ',: ;. '... a. ::. s,

. p *r x :: n. V ' 4 Wl,.-

V.3;p.

.g 6

..y>,,.. %. ** e.,. w.a, m wa.. n

,.. w.'.,.:..

,.T, ;!C '.:.la, : ~ n",n t. ;p '., T.

C...

.. :s....* r Y

.a.

-.... +,.....

. J. : ; ~*......,, s.,w. wwqV, p m.n. o t,r a,;y4 +;;

.e,,..v..4.

.....m.

<... m a.m., :

.,..,g. m.......s.. ;;q ?y. myj,v.,;.;. :

o. L..

y;W<.ww.14 wa.M. ; y...%, ';'h ~ r.p. g,Q. Q4.,h

..,. m,.

..z..s..,..

..w n

Ug. -

. -. ;::.,:. :.v.p uw

%m m,L ;f.t.% -7.: 7.:y J :

<c, b ^. f:* r,. ::. %.. t:.M...

'.ygT p -

e.. ;

t. i.o.:.s.ql., )fy.::. %. M..q.A.x.., ; 7.Y'.+..ww:.',? %~....,.< ?p:.v.,,"* e f p, A,. ;

mP,,&. H,v:;:;..W:rqQM, Y';;;pt S.gy.,!:

g-

.a a

q ) m..,.:;

.t.: '. '.. -

y @M<. - j a.';..t. - 4 ;..%.ms m:.

.a o~

g.,; ;,....,

.'.y

~.,.,

z

g

,.a w,:,

y. g..M,y x.f,p;..... a.

m. u ~:

fM.L9 xy v

q

.,n, ;.., v.y a..i.*..~.,

i/.W.e.A:(.::

.(:..

.. m.

t v

.x

.:. w

.phs p@.

M..

.m..z v.,. ::. ' c.. c3l:3. f. n......o n mj s.

., a

-v

.e

.c.!.,.c ;a. s Q T,..;;;g:,:7 ; p: g_:m:. > ;.,., n.,. 4 ?W;[~.-};;p::y ~.

r, c.y st;. w$: n ;,,..

i

..l Tw.

.T.y. M.f:) ".., _.

.l'y ;w

c

-1, ~.

a. :.a.t m3g.g.y.-m ?., c.m.:ny yn.

1. . R.lc y ya v. a.

....,.;;-- i, r.., e :.

y4,.... :. 9,.1.n.... :

a.

w #.......,. e 4.g

+

f...'.,7 u; 's q.-.. k ;. f.,. *.

s.,,......;,et,=;e

,. s,&,

, g

.mw 2. yy::qJ' u y.e;.~.

. c..o

+

p ;%, x,7.;y, v -

..,u.

.. g..u, *....:,

..}

m. \\p,. --

..m,

.., ~...

1.,..t, e

,1,,

,:a, :. n,..

......"c. - x i.

,,.s..

y 3 g

.,.a 4

.t*..,,.e..

• y.

o,,,.

• 3

.Y.

j.1,. n; 7,r..,.q...

.; *y.

' V:

• fit.s;.b i, x ~ y... :p.:.. x,A:.

a }

P'.

. 'u s

t 2

,,;.. 'y..,.:.g..p.', _ '.; a u.

c

?

.. :, f.. ;t.s.._;,. L a.n ;

. ;,w'. s..,..

..,. ;

• q::..

g.

m

.. w. o [e

. ;..~.:

w:M.. n N.,*.:+%,,., (t a:.,.<..., s,

>..y. 5... ;,..,g:: y, s,< r..y,. 1.:......~..,.-Q....m

. :....c : >.,:,:, y. ~.

.y :.,.. c,~

.fw

_ -w

,n.....;.p y;. 9:

.,t

a.,.,....., ~ >,,~.,s.e....., ~,

c:

L:.;.'.L..:... v..; g,y., s.:c.3., v :;:. :> < o,.

-y

(

y

. y/

n.

,.n(,.

..,,t.,....:...,..:. :.

....s..., v:..., v...

v

..79

y

.,1 1

..,a...

.y L.

-.k.-

n.4

~_

~;?

1

,,.. v

..~.

7

.?. w; :. >..,

. ;,.. f...,

i

n.., : s i'.

1.'..,"Q:, ~. :,.i.c

. m. > :: ic,. Y..,.i..... :. y. 3.4., '.. ~, c. '... ?,

.;,..... o. ;..a.L..a; :

~. ;

?.

. +

x.g :. ~ 7. w.. M. -,-.....,,,

.:.~..:.,.-

r

.. ; q; ; ;..,. -....,. 7.:..-

c....

n;.

,, t. g..; ~.;; 3p;<.: ; 9,c..,g :4.:,. ::,;;., J. ya..

.:,7: y.z.... _,- / s e.

~. ~ -....;l y : w ;c.a,..-

..: -.. ::.m :

. a,;i. ~..v.q c....:.. m).m,.w

,w,n, e r\\.

w

l. :... o..:. - c ~;c

~

a:

.. ;:., yg.... c :,. o -. y.xl,.. r a..

n

.c

.. ^ g r.,on

.w g ;. s

..;.n.,

.lS

.l,

',  : {....

f'l _

' ((.l ? O. ;y ;:. ;f:

[

'_'.('

.?;,:; -.

. : e -,. ~..s., p, $,. :,.., /.:.o, n.t.a. y;.4., j,y,. :... -.'.., p:. ?

1.,,.-

~

.-?..... :.... ; ;.

.;;m w.e....

1......-~,:. a :..

.,..;..a.

....u.,,, e::

y n.rp :. Q, '.... ',,,~. s' D... y,..

w

=c

.. v. ; n. l.4 l.c:

.,:'.,.\\...'. --..,c.'

.s;;.

• ^ ' ' '

- - p.

s.,

^..,

.ar g.,..c

, cr

,,. n..... L

. : f ; y.. * >, ::3 7 *.

r y,.,

a.;,;-

n

.. v,-

• j y

',,l:. ',. :y,. ;

_ i ; '.,.,.,p :[. y [ j.,. f _',: p. [ _ : ?,f. '.1 :: y ). _. ' './..-., *

,. -,i

f., _ '.' R... :,.:.l

... i h '. v :.

c

. f. :; ' f,,... :. :',;t,c % _'.;.:. _

?; j'. _ :.

. g,,* ;

.R,,'

.... = i; s

R. 3.

...,..t

-'s

• ,,f

-... +,.. -

m.

8..-...p,i:. -.,.'i'.<_

,,'I~~, _ '., '

.. m.'!,...

" * ~

er.

. - c

,,... a.

. % - : ' \\.,,., <.

y.,,

- g

- g-..,.,,

,j,,..,7.,.

, *... <.....,.,,... 7.. a,.

. ^,.

. s,,.

.i

...:=,,.n

.?

.y.

d.

y

^

a

. -.a... - ~ s *...

....... '?

.; f.,,,.'... ' __'-*,

s... * :.. '

.t '. _' ' *,. '.. *.. l. _ l ;. _g

?,.g.,,....

- + ;) '.' Q :.'

.,f

,..s

?

.' /**3

..:. ~.:.

[";,2 o',

r..',

o ' ' ' _. _..: p.

- 4,:.. :.....

.. '_ }.]

).

,.s.

R:

• 4...,,'..;.

1*-..

.^..

.;;..,..,.'...1< c n..,T., f '. '",- '.., -

i

,,.... ',., [J : ' [ ';, _ j ;'

c

• ,c.7.,..-..

t

. - 2. '.:., '... i y. ' 'i ;,

'y,.

3.. e

,',,3.. -

a.-

..,......;,c-

..,.o

.. Y

• r. f::;,. * ;

. g[.',s

• /..

i > :

' }..,;.. _~ ^  ; "..[.,

.l, :..., ' ',

n.-

+

.* t.:.

t;

...t e

+..-

. 4.e\\ : ;.. y. _. ~.. : s.t....... _, :.

,..., N..

.u,

..,s

.2.p.9,,..

1

.y

.,s...,......; j ;....

....,....r..

s

. r

(.,.....:'..:.'.-~,.:.G.,......

. i,....... *;.

...,. s

',(...-

c.v.

s

., s. !.:,.

...,4.,:'.

._..p

.;*',....'..,;2

'~.v..

..t,...

s.-, _.,

.:,.. +......

J.. >g

. +.... -.-

q\\.

,.;.e',.n;,.,..e.<.,~...:y,:o

>...)..'....,.

..; _, p *:. :

n:

. e.,

... ~..

~.

.., _ p' s v..-.

. <p,_ (-. y.., c. y

...,.,j.'.....,

.n y_...., - -..

....g.;;.....,.,.',...(,

s..-..,.,. ~.,.. ~--,,,,

.-r

,..,.,..u,_..

. a-4

,... : y....,,.,.

3,

..,. ~.,.,........'. :,j.

. s.

u

.........,o4 r.....

....?.

e.o

,,.'. - - '....f.,......,.,.

g

..y,.,..

.- g, c..

...,. w.,.,.

s

.,..?.

uerc.

,2,

-;... y., w.,

..-ut 11.i...,....i,...,.;

d

....,i.. v.

.m e.

v.

4.: -. '...

s.

s 47

.(

. '.=j

.4 I

g.

~, *

.t. es..',

" '.,*./,*'.,.* '.,

f. ' *' '+

rr,,

,.y

.S,

, y j..

g

.s

- ;e

..,.,.,, -r....:...... ;

.,.j

. ~. r.~; : --

j ;p,.....

y '. t, o.,

.... w' {

)...',p:. - s~

-.*...a..-

.h......

.,,?

c.t...

i

.r'.

' N: -

..:. :gv. '. -

u,,.,.'

._. ::Y. -_..

.,<v

...,..-..m.-

r.>.

~....,,;-

.....-.1.m..

.,.:...n.,....,1 4.o... c.... *

^ -

.,a..<

...*. - - y.

.,...a,.. a. a ~;

,..,;,y.,.,.49,....:..,.

), _,( 7. ;,,._.,.4,.,,.

,. y.,',,

s.

, f. n.. ;..

j..y.t -

...g..

.*. x;. -.

.y

.y 'y,

., z;....

n r/'

.a,-.&;, -

,,,..-.4

. 3,.. m.

i

r. (...

. :.,y

.a 6,Or:,*..I'.;....... : *...t-*,,, '... '.,

i.. ^, '

,._,.' ". j u,'

.','.:.p.

,,~.ns_ ;,.>.3'. ; e. ;3.?.. t.4;;

.-.Y s-(

,. ;l :.

..p.3,;.. y, * - -[ <-' - f. ;k gf.. )s.(-

y ;. _.; _

',. L3..

,, _ < - :. }, _ ;,,..;, p 7:.

.we

-a

.. c,

f' ;.. f

. (

. :.. (.,; - -

L..c ;..';

s y.

u

.. r., y ;.. -.,-..,.

,{

y. g, l.

9

p e m m a g a n s gs+s a p p M W M S $n$ M

> a nk u u n pne d mewa k

pgpappA3fyp4cykweem m%g!?/p+4+gI"w

$k andng a

a c m g r e k a n w ra n qAn p NM$kkh

$p$pb5 $gp$e w @e p an er cma ggy p44pawevynpt m hNN NkhE$[h$ ihNM h

ff 4

_ggra$pp_ _ -.,,s _e m I@%

N$$MVMllh MM 0h

$$$$NIN$kN

$$hfk h!!$$hh

_RES _$$$$_E _ _

_h h

M,d,G_QhW%e%$c$a@ da

$$$$$$$ $NS$$$$a!@$$

n@Ig*y

,Q%ia n

gip @FiWM M@6 M

s n

?h QMiwn M $! $ $!M % $ d %vw@M b@gpgSwep gJv g g w yq q g n d @ $a;4 spqung gp ad

$g.e4 7

d Pi*$$e%s@pt@h6&i

$PWFbehqmM!?y (j 3

1. p a e@q*$s$w$Mijd!#fMM#R$@$g#

4 4N $

j gllgjg$n~*Ypigqgg gMgggggg+g3g

,a _

g,4 4

[

1997 ANNUAL ENVIRONMENTALREPORT NON-RADIOLOGICAL DUQUESNE LIGHT COMPANY BEAVER VALLEY POWER STATION UNITS NO.1 AND 2 LICENSES DPR-66 AND NPF-73 RTL# A9.630F

~

'd 3

l TABLE OF CONTENTS

[

(

LIST OF TABLES LIST OF FIGURES Page k

EXEC UTIVE S UM MARY...........................................

ES-1 1

I NTR O D U CTI O N..................................................

1-1

[

1.1 Objectives of the Program......................................

1-1 1.2 Scope of Se rvice s...........................................

1-1 1.2.1 Benthic Macroinvertebrate Monitoring......................

1-2

[

1.2.2 Fish M onitoring........................................

12 l

1.2.3 Larval Cages / Zebra Mussel Scraper Sampling...............

1-2 1.2.4 Corbicula/ Zebra Mussel Density Determinations................................

1-3

(

1.2.5 Monthly Activity Reports...............................

1-3 1.3 S it e D e s criptio n............................................

13-(

2 AQUATIC MONITORING PROGRAM................................

2-1 2.1 I ntrod uction.................................................

2-1 2.2 B e nth o s....................................................

2-1 r

2.2.1 O bj e cti v e s............................................

2-1 L

2.2.2 Methods.............................................

2-1 2.2.3 H a b it at s..............................................

2-2 2.2.4 R e s u lt s..............................................

2-2

(

2.2.5 Community Structure and Spatial Di stri b utio n...........................................

2-2 2.2.6 Comparison of Control and Non Control

[

S t a ti o n.............................................

23 2.2.7 Sea sonal Comparison.................................

23 2.2.8 Di s cu s sion.................................

24 2.3 Fish......................................................

2-4

[

2.3.1 O bj e cti ve...........................................

2-4 2.3.2 Methods.............................................

2-4 2.3.3 R e s u lt s..............................................

2-5

[

2.3.4 Comparison of Control and Non-Control Stations............

2-7 2.3.5 Di s c u s sio n.........................................

2-7 2.4 Corbicula Monitoring Program..

2-8 2.4.1 I ntro d u ctio n......................................

2-8

[

2.4.2 M o nito rin g........................................

29 2.4.3 Corbicula Larvae Study................................

2 12 2.5 Zebra Mussel Monitoring Program...........................

2-14

[

2.5.1 I ntro d u ct io n.......................................

2-14 2.5.2 M o n it o ri n g..........................................

2-15

{

3 R EFEREN C E S....................................................

3-1

[

I

LIST OF FIGURES Figure No.

Title 1.1 Location Map for the 1997 Beaver Valley Power Station Aquatic Monitoring Program Sampling Control and Non-Control Sampling Stations 1.2 Location Map for Beaver Valley Power Station Benthic Organism Survey Sampling Sites for the 1997 Study 1.3 Location Map for Beaver \\~ alley Power Station Fish Population Survey Fish Sampling Sites for the 1997 Study 1.4 Location of Study Area, Beaver Valley Power Station Shippingport, Pennsylvania BVPS 2.1 Comparison of Corbicula Clam Density Estimates Among 1997 BVPS Unit 1 Tower Cooling Reservoir Sample Events, For Various Clam Shell Size Groups 2.2 Comparison of Corbicula Clam Density Estimates Among 1997 BVPS Unit 2 Tower Cooling Reservoir Sample Events, For Various Clam Shell Size Groups 2.3 Comparison of Live Corbicula Clam Density Estimates Among 1997 Intake Structure Sample Events, For Various Clam Shell Size Groups 2.4 Water Temperature and River Elevation Recorded at the Ohio Rivec at BVPS Intake Structure During the 19?7 Monthly Sample Dates I

(

LIST OF TABLES Table No.

Title 2.1 Duquesne Light Company BVPS Sampling Dates for 1997 2.2 Systematic List of Macroinvertebrates Collected From 1973 Through 1997 in the Ohio River Near BVPS (6 sheets) t I

2.3 Benthic Macroinvertebrate Counts For Triplicate Samples Taken at Each Sample Station By Sample Date for 1997 (4 sheets) 2.4 Mean Number of Macroinvertebrates (Number /m ) and Percent Composition of 2

Oligochaeta, Chironomidae, Mollusca and Other Organisms,1997 - BVPS 2.5 Mean Number of Macroinvertebrates (Number /m2) and Percent Ccmposition of j

Oligochaeta, Chironomidae, Mollusca, and Other Organisms for the Cuntrol

)

Station (1) and the Average for Non-Control Stations (2A,2B1,2B2,2B3, and 3),1997 BVPS l

2.6 Shannon-Weiner Diversity, Evenness and Richness indices for Benthic Macroinvertebrates Collected in the Ohio River,1997 2

2,7 Benthic Macroinvertebrate Densities (Numbel/m ) for Station 1 (Control) and Station 28 (Non-Control) During Preoperational and Operational Years Through 1997 BVPS (2 sheets) 2.8 (Scientific and Common Name) Families and Species of Fish Collected in the New Cumberland Pool of the Ohio River,1970 through 1997, BVPS (3 sheets) 2.9 Comparison of Control Vs. Non-Control Electrofishing Catches During the BVPS 1997 Fisheries Survey 2.10 Comparison of Control Vs. Non-Control Seine Catches During the BVPS 1997 Fisheries Survey 2.11 Fish Species Collected During the May 1997 Sampling of the Ohlo River in the Vicinity of BVPS 2.12 Fish Species Collected During the July 1997 Sampling of the Ohio Riverin the Vicinity of the BVPS 2.13 Fich Spec!es Collected During the September 1997 Sampling of the Ohio River in the Vicinity of the BVPS 2,14 Fish Species Collected During the November 1997 Sampling of the Ohio River in the Vicinity of the BVPS

]

LIST OF TABLES (Cont'd)

Il' Table No.

Title 2.15 Estimated Number of Fish Observed During Electrofishing Operations

?

2.16 Catch Per Unit of Effort (CPUE as Fish /Electrofishing Minute) By Season During the BVPS 1996 Fisheries Survey (2 sheets) 2.17 Catch Per Unit of Effort (CPUE as Fish /Electrofishing Minute) By Season During the BVPS 1997 Fisheries Survey (3 sheets)

I 2.18 Unit 1 Cooling Reservoir Monthly Sampling Corbicula Density Data for 1997 from BVPS 2.19 Unit 2 Cooling Reservoir Monthly Sampling Corbicula Density Data for 1997 from BVPS 2.20 Unit 1 Cooling Reservoir Corbicula Density Data for the October 10,1997 Sample from BVPS (2 sheets) 8 2.21 Estimated Density of Zebra Mussel Veligers (Number /m )in Pump Samples From the BVPS Barge Slip and Water intake Structure for 1997 2.22 Number of Observed Zebra Mussels in Clam Cage and Ponar Dredge Samples From the intake Structure Sample Locations A and D at BVPS for 1997 I

l l

l l

I I

I

[

ES-1 I

EXECUTIVE

SUMMARY

The 1997 Beaver Valley Power Station (BVPS) Units 1 and 2 Non-Radiological Environmental Monitoring Program consisted of an Aquatic Program that included surveillance and field

{

sampling of Ohio River aquatic life. The Aquatic Program is an annual program conducted by Duquesne Light Company to provide baseline aquatic resources data, to assess the impact of the operation of BVPS on the aquatic ecosystem of the Ohio River, and to monitor for potential

(

impacts of biofouling organisms (Corbicula and zebra mussels) on BVPS operations. This is the 21st year of operational environmental monitoring for Unit 1 and the 10th for Unit 2. As in previous years, the results of the program did not indicate any adverse environmental impact to

[-

the aquatic life in the Ohio River associated with the operation of BVPS.

{

The 1997 benthic macroinvertebrate surveys did not indicate abnormal community structure for the Ohio River either upstream or downstream from EVPS. These benthic surveys are a -

continuation of a Fate and Effects Study (1990 through 1992) conducted for the Pennsylvania

(.

Department of Environmental Protection to assess ecosystem impacts of the molluscicide CT-1.

The molluscicide CT-1 is used to control biofouling organisms at BVPS. To date, these studies do not indicate that the continued use of CT-1 at the BVPS has not been detrimental to the

[

aquatic community below the BVPS discharge.

Substrate was probably the most important factor influencing the distribution and abundance of

[

the benthic macroinvertebrates in the Ohio River near BVPS. Soft muck-type substrates along the shoreline were conducive to worm and midge proliferation, while limiting macroinvertebrates.

{

that require a more stable bottom. Oligochaeta (segmented worms) accounted for 61 percent of the macrobenthos collected, whereas Chironomidae (midge fly) and Mollusca (snails and bivalves) accounted for about 24 percent and 11 percent, respectively.

In 1997, three species were added to the cumulative taxa list of macroinvertebrates collected near BVPS. Community structure has changed little since pre-operational years, and program

[.

results did nut indicate that BVPS operations were affecting the benthic community of the Ohio River.

[

The fish community of the Ohio River in the vicinity of BVPS was sampled in 1997 by night electrofishing and daytime seining. Results for the 1997 fish surveys indicate normal community

(..

structure for the Ohio River based on species composition and relative abundance. Since monitoring began in the early seventies, the number of identified fish taxa has increased from 43 to 77 for the New Cumberland Pool.

During the 1997 survey, forage species were collected in the highest numbers, particularly

{-

glzzard shad and emerald shiners. This indicates a healthy fish community, since game species (predators) rely on this forage base for their survival. Yearly variations in total annual catch are L

r

1 Il ES-2 an expected occurrence and are attributable primarily to fluctuations in the population size of the forage species and naturally-occurring environmental changes. Forage species, such as gizzard shad and emerald shiner with high reproductive potentials frequently respond to changes in natural environmental factors (competition, food availability, cover, and water quality) with large E

fluctuations in population size that subsequently affect the predators that depend on them.

3 Although variations in total catch occurred from station to station in 1997, species composition remained fairly stable. Common taxa collected in the 1997 surveys by all methods included gizzard shad, emerald shiner, redhorse species, spottall shiner, channel catfish, common carp, sauger, freshwater drum, quillback, and flathead catfish. Little differsce was observed in species composition of the catch between the Contrcl (1) and Non-Control etations (2A,28, and 3), although a greater number of fish representing more species wero cTured at non-control stations than control stations, but this was most likely due to the extra effort expended at non-control stations versus control stations. HabMat preference is probably the most influential factor that affects where the different species of fish are co!!ected and in what re!ative abundancer At the request of the Pennsylvania Fish and Boat Commission (PAF&BC), electrofishing catch rates were calculated as fish per minute (i.e., power on time) of sampling for data from the 1996 and 1997 sample years. The largest catch rates were observed to occur during winter sampling in both 1996 and 1997. Yearly electrofishing catch rates were 3.5 times larger for 1997 when compared to 1996. The larger catch rate was e?tributed to larger populations of bait and forage species, and better fishing conditions in 1997.

The monthly reservoir scraper samples collected in Units 1 and 2 cooling towers during 1997 Indicated Corbicula were entering and colonizing the reservoirs. The monthly clam density estimates for Unit 1 indicated colonization had occurred by January. Data from Unit 2 indicate that a population of Corbicula was established in June and grew in size and maturity through November, when the last sample was taken.

Sediment samples were collected in the Unit 1 cooling tower on October 10,1997 during the scheduled outage in order to estimate the Corbicula populations within those structures. No Corbicula density determination sampiing was conducted in the Unit 2 cooling tower reservoir in 1997 because this unit did not have a scheduled maintenance shutdown. The estimated number of Corbicula inhabiting the Unit 1 tower at the time of the survey vras 85,737,072 clams.

Since 1991, zebra mussels have been moving progressively upstream in the Ohio River. In l

I 1993, zebra mussels were identified at the Pike Island Locks and Dam (mile point 84.2),50 miles downstream of BVPS. In 1994, zebra mussels were identified in the Ohio River upstream from the BVPS at the Emsworth Locks and Dam (mile point 6.2) and at Lock and Dam 4 and 7 on the Allegheny River. The U.S. Army Corps of Engineers reported zebra mussels at the New Cumberland Locks and Dam (Ohio River) on May 11,1995 and on July 28,1995,16 zebra mussels were reported at the Maxwell Locks and Dam (Monongahela River).

I

ES-3 in 1995 and 1996, live zebra mussels were found by divers in the BVPS main intake structure and auxiliary intake structure during scheduled cleaning operations.

For the first time zebra mussels were detected in the pump and substrate samples for this program. Zebra mussel veligers were detected in the June and September pump samples.

Juvenile and adult zebra mussels were also observed in clam cage and ponar dredge samples from the intake structure at BVPS.

The observation that adult zebra mussels were found in the intake ponar dredge samples in I

November 1997 confirms previous observations by divers that zebra mussels are colonizing the area in and around the BVPS intake structure. To more fully document zebra mussel infestation at BVPS, additional sampling would need to be conducted to ascertain the exact timing of spawning and to determine the extent and severity of infestation of service water.

I I

I I

I I

I

[

W w

_m

1-1 1

INTRODUCTION This report summartzes the Non-Radiological Environmental Program conducted by Duquesne Light Company (DLC) during 1997, for the Beaver Valley Power Station (BVPS) Units 1 and 2; Operating License Numbers DPR-66 and NPF-73. This is a voluntary program, because on Febmary 26,1980, the Nuclear Regulatory Commission (NRC) granted DLC's request to delete all of the Aquatic Monitoring Program, with the exception of the fish impingemer!, orogram (Amendment No. 25), from the Environmental Technical Specifications (ETS). In 1983, DLC was permitted to also delete the fish impingement studies from the ETS program of required sampling along with non-radiological water quality requirements. However, in the interest of providing an unintemJpted database, DLC is continuing the Aquatic Monitoring Program.

1.1 Objectives of the Program The objectives of the 1997 environmental program were:

(1)

To monitor for possible environmental impact of BVPS operation on the benthic macroinvertebrate and fish communities in the Ohio River, (2)

To provide a minimal sampling program for continuing an unin'errupted environmental database for the Ohio River near BVPS, pre-operational to present; and (3)

To evaluate the presence, growth, and reproduction of macrofouling Corbicula (Asiatic clam) at BVPS, and to monitor for the potential infestation of the macrofouling zebra mussel at BVPS.

1.2 Scope of Services Acres performed the 1997 Aquatic Monitoring Program as specified in the Environmental Programs Manual Procedure (EPMP) 5.01 - Aquatic Ecological Monitoring Procedures. This EPMP describes in deta!! the field and laboratory procedures used in the various monitoring programs, as well as the data analysis and reporting requirements. These procedures are summarized according to task below.

f 1-2

(

1.2.1 Benthic Macroinvertebrate Monitoring I

The benthic macroinvertebrate monitoring program consisted of benthic sampling by a ponar grab sampler at four stations on the Ohio River. Prior to 1996, duplicate sampling j

occurred at Stations 1,2A, and 3, Wnile triplicate sampling occurred at Station 2B (i.e.,

j one sample at each shoreline and mid-channel) (Figures 1.1 and 1.2). In 1996, a review of the sampling design suggested that sampling should be performed in triplicate f.t each station to conform with standardlzed USEPA procedures. Therefore, starting in 1096, j

triplicate samples were taken at Stations 1,2A, and 3, as in 1995, with triplicate samples l

also collected at each shore and mid-channel. location at Station 28. A petite ponar was I

used to collect the samples, replacing the standard ponar used in prior studies. This l

sampling was conducted in May and September,1997. For each field effort, a total of E

l 18 benthic samples was collected and processed in the laboratory, as described in the 3

l EPMP.

1.2.2 Fish Monitoring The fish monitoring program consisted of seasonal sampling (May, July, September, and November) using two techniques: boat electrofishing and seining. Boat electrofishing was conducted at night at Stations 1,2A,2B, and 3 (both shorelines) (Figure 1.3).

Seining occurred at Stations 1 and 2B during early evening. All field procedures and data analysis were conducted in accordance with the EPMP.

I 1.2.3 Larval CagesIZebra Mussel Scraper Sampling Three locations were monitored for the presence of Corbicula and zebra mussels: the intake structure; Unit 1 cooling tower, and Unit 2 cooling tower. The barge slip and intake wallwere additional stations established to monitor for zebra mussels. This task involved the setting of larval cages (for Corbicula) and artificial substrate samplers (for zebra mussels) in the project intake structure; wall scraping samples from the cooling tower g

reservoirs, the riprap nearthe intake structure, and shore wall support of the Unit 1 barge E

slip; and bottom sediment samples from the cooling tower reservolts. These samples were taken once each month.

Acres began the 1997 survey season utilizing a larval cage design as specified in the EPMP to monitor Corbicula. During the course of the 1997 survey season, the larval Corbicula monitoring study was modified to obtain a more representative sample of Corbicula settlement and growth. For zebra mussels, bridal veil samplers, and pump samplers were used as agreed upon with DLC. The wall scraper samples were taken with a D-frame scraper, with five scrapes made per sample at the four sample locations (each cooling tower reservoir, the riprap near the intake structure, and the barge slip

1-3 supports). Prior to 1996, the scraper was used to collect the bottom samples from the cooling tower. To quantify the abundance of Corbicula and zebra mussels in the sediments, a petite ponar dredge was used to collect the bottom samples.

All samples were processed as specified in the RFP, and included live / dead counts and length category measurements of the Corbie.gla and zebra mussels.

1.2.4 Corbicula/ Zebra Mussel Density Determinations During the scheduled shutdown period for each unit, each cooling tower reservoir bottom j

was sampled by petite ponar at standardized" locations within the reservoir, as agreed upon with DLC. Counts oflive and dead clams and determination of density (per square meter)were made. This sampling occurred on October 10,1997 for Unit 1. No Corbicula density determination sampling was conducted in the Unit 2 cooling tower reservoir in 1997 because the unit did not have a scheduled maintenance shutdown.

~

~

During all Corbicula/ zebra mussel sampling activities (Tasks 3 and 4), observations were made on the shoreline and other adjoining hard substrates for the presence of either macrofouling species.

4 1.2.5 Monthly Activity Reports Activity reports were prepared each month that summarized the activities that took place.

the previous month. The reports included the results of the monthly Corbicula/ zebra mussel monitoring, including any trenos observed, and any preliminary results available from the benthic and fisheries programs. The reports addressed progress made on each task, and reported any observed biological activity of interest.

1.3 Site Description BVPS is located on a 501-acre tract of land on the south bank of the Ohio River in the Borough of Shippingport, Beaver County, Pennsylvania. The Shippingport Atomic Power Station once shared the site with BVPS before being decommissioned. Figure 1.4 is a plan view of BVPS.

The site is approximately 1 mile (1.6 km) from Midland, Pennsylvania; 5 miles (8 km) from East Uverpool, Ohio; and 25 miles (40 km) from Pittsburgh, Pennsylvania. The population within a 5 mile (8 km) radius of the plant is approximately 18,000. The Borough of Midland, Pennsylvania has a population of approximately 3,500.

l 1-4 The site lies along the Ohio River in a valley which has a gradual slope extending from the river (elevation 665 ft. (203 m) above sea level) to an elevation of 1,160 ft (354 m) along a ridge south of BVPS. Plant entrance elevation at the station is approximately 735 ft (224 m) above sea level.

The station is situated on the Ohio River at river mile 34.8, at a location on the New Cumberland Pool that is 3.3 river miles (5.3 km) downstream from Montgomery Lock and Dam and 19.4 miles (31.2 km) upstream from New Cumberland Lock and Dam (Latitude: 40*,36',18"; Longitude:

80*, 26', 02"). The Pennsylvanta-Ohio-West Virginia border is 5.2 river miles (8.4 km) downstream from the site. The river flow is regulated by a series of dams and reservoirs on the Beaver, Allegheny, Monongahela, and Ohio Rivers and their tributaries.

Ohio River water temperatures generally vary from 32' to 84*F (0* to 29'C). Minimum and maximum temperatures generally occur in January and July / August, respectively.

BVPS Units 1 and 2 have a thermal rating of 2,660 megawatts (MW). Units 1 & 2 have a design -

electrical rating of 835 MW and 836 MW, respectively. The circulating water systems are a closed cycle system using a cooling tower to minimize heat released to the Ohio River.

Commercial operation of BVPS Unit 1 began in 1976 and Unit 2 began operation in 1987.

I I

oCph$ {

2Cp z$

$O Qs]W"'7 3 '-

0 a{y_h.

E}

tr ji*

op T

g Ov d[

ip e

n 2

te

/

y g /*

ip F

U 4

r 0

h 1

0 s.

S U

g 0

^

s 2

M M

A P

~

R jg-O G

n (C '

o R

j43 i

P t

ta g

S G

=

f $[f r

t IN j

R e

/

O

' j T S e

I l

a NN T

r ll o

g

/

(,

OO tn I

o

'l MT C

C A i i fh I T

{

1 TS n

.t A

o G

i f-!

U t

N ta l

QI l

AL Sl t

l o h r

[

P n

o N M o

r c

t O A n

n o

I o

c TS N

n A L o

T O A

N S

2

~

R 1.R T

~

n B

o EN g

i 2

1 o

E WO W

t n

~

a S

i

~

R OC t

ta s

t

~

U P N S

~

GYO l

~

I EN F

~

L

~

LD s

~

AN

/

VA M

VR RL EO AT EN Kk BO M

r e

7C t

e n

9 9

o

\\.;

G c-n 1N o

I N

EL M

k HP e

b 3

-w TM n

RA o

i O S t

M ta F

^

S x$

k l3$

P i

.L

!,W A

M i \\

1 g\\

N M

O I

n T

7

-s m.

A f '*

C O

L M

h aj iH M

4 n^

W i'

illt

u C p h U Z m g h O y I

gzC$ m5S2 gmhp y

3 M

4. i$1f

-b 5

i a

l{jy d

a p

x j e

~

p.

9 t

7 n

~

~

s' t

9 e

~

i t

r c

s o

1 t

S p

3

(

s a

g 2

n 0 0

,N ip 2

r 5

e o4#

ih

- n : F 1

t 6

e te p

0 1

e M

y 1

i 0

3 r

6i 4

0 t

s*

a1 0 0

g s

. 8 lM 1 J te 0

0

-i d 0

g u a 1

2 a

h c n

MT s l

s

'a n

Y o

f $.

i E

jAl t

V a

t

}

S R

~ g4

~

r e

U w

S y'

J?'biF -

M o

?IC((hlg l

N S

l I

M F

e a

ji R,T

~

V A

i h

's q7' 1

G r

<$4' 1

O e

v R

no i ea e

i t

,.t B

a e

lM l

IC t

.e S

Ap gQ e

H Y l

i T D

[ p-N a'

U E

SM T

A y

B n : @hi?

l m

O9 g*

2 ll N7 g*'

}

=3 io B

f,3 9

m T1 ded[

I 2

t a

h o

T n

EM t

A S

d l

i ML n, y i

h, i

t n

H i

a

2. S a

y lS t

T ld 1

R EE R M

gg RW O

,+

SM 5

F U

I PO 0d!

G E

u F

hp&

YT EI d

L S

$p -

LG

$m '

AN VI

^u RPL w$

EM h

V A

3%1[bs A S s

E B

1 l

$)g#l3*

R

~

3 M

~

O n

w M' $ !

!Q F

o i

N

$i ta/

V P

(S7.g%5' M

i!

A t

j <

e i

M t

s e

e N

lp O

h l'

.'2'l m

T I

a D

A s

-,[g4i; N

ih O

c C

E t

g-n L

G e

jiA E B

.jM L [

%t'

?p 7 [!

M g

k nu Q[

N R

A 0

f E 3 5

0 r(ll.

ll Il l

l1!

tl(

I i'

,I

O *VCmg2 Cyxy v>Z o

$yhm ZEm ami

_ i /

s~

1 c"

j 8

s*h.

s.

I i

)

h^{

fin i

r s

t 7 te o

r 9 n s

.:ll:

o 9 e r}7 p

c 1

g t

e ip 0 0 4 a n

1

(

k ip 1

5 e-y 2

t m-r e

h s

t 1

e

.,s I N

S.

0

'4 s 3 F iI e

1

/

la a

o d

J e 0 n

0 e,

t 2

r c

%k s

4 n

[

y;

.o i

Y t

E a

bh<

S V

t

?pA r

e R

[e.

s 4.E w

U o

S

'g N

/ _.

f fi e

O n

iy a

e. %y

/

IT V

A t

gf ',

v r

e L

7

. a U

7$

e B

P

/.

g1

3 OY m

PD

+

HU 4.5; eF I

S S T

wgfqg, l

N9 F

T A

7 2

w n

O9 io i-B I 1 e,

T

.gt y t

2 E

a n

A

%uu.mgn l

w RW t

H d

S tc

/o T

w n

l T

i m

a t

3. S l

. w ta u

R n

S a,

1R d

E O iM 4

E F

S s

U O E g

G P T

%ma*'

q;g I YI F

S E

t*

6 LG LN VAI 5

L

%n P

RM E A

{

,g}g V S y%w';a.

g AEH B S I

-: a%e l

R F l

i 3

O n

ih F

o M.

P i

%D ta 7

e A

t 4I S

,?

is t

M l

4' h

f;:;43 4

g jg.

i e O

n N

g h

.y g

s t

Dfi i T

I s

s o

N e

A r

.m t

E c C

e e w

f.h_ ' fM Gl S O

E M

y[{

E e

L pll' LEf k

4 l

m

e.

'^

t 4kM m_

'2; X

e s$

e I

sL((3 m

d'1f s

[

a

r e

?t u

1 AM K

k M ef krf i

i@9 R-h:$f$

i d

o 85z" 5g O i~

h F9s'53ghhg,0 4

/F.

,)

3 r,e W

)h yf

~

• x

[--

q-c x

a t

a t

]

r t.

.f g,

6 n:

g N

i, qh n

a r

a w

o o e t

t n s oc r

e m

b

• d s

v u

b O

r m

ev M

u t

f; I

t O

E g

?

, ji n@z o"3o y"

\\;.

r g%

go q

2-1 l

2.

AQUATIC MONITORING PROGRAM 2.1 Introduction l

The environmental study area, established to assess potential impacts, consists of four sampling stations each having a north and south shore (Figure 1.1) Station 1 is located at river mile (RM) 34.5, approximately 0.3 mile (0.5 km) upstream of BVPS and is the control station. Station 2A is located approximately 0.5 mile (0.8 km) downstream of the BVPS discharge structure in the I-main channel. Station 2B is located in the back channel of Phlifis Island, also 0.5 mile downstream of the BVPS discharge structure. Station 2B is the principal non-control station because the majority of discharges from BVPS Units 1 and 2 are released to the back channel.

Station 3 is located approximately 2 miles (3.2 km) downstream of BVPS.

Sampling dates for each of the program elements are presented in Table 2.1.

The following sections summarize the findings for each of the program elements.

2.2 Benthos 2.2.1 Objectives The objectives of the benthic surveys were to characterize the macroinvertebrates of the Ohio River near BVPS and to determine the impacts,if any, of BVPS operations.

2.2.2 Methods Benthic surveys were scheduled and performed in May and September,1997. Benthos samples were collected at Stations 1,2A,28, and 3 (Figure 1.2), using a petite ponar grab sampler. Triplicate samples were taken off the south shore at Stations 1,2A, and

3. Sampling at Station 28, in the back channel of Phillis Island, consisted of triplicate.

petite ponar grabs at the south side, middle, and north side of the channel (i.e., sample stations 2B1,282, and 283, respectively).

Each grab was gently washed through a U.S. Standard No. 30 sieve and the retained contents were placed in a bottle and preserved in ethanol. in the laboratory, rose bengal stain was added to aid in sorting and identification of benthic organisms.

Macroinvertebrates were sorted from each sample, identified to the lowest taxon practical and counted. Mean densities (number /m ) for each taxon was calculated for each f

2 l

2-2 replicate. Three species diversity Indices were calculated: Shannon-Weiner; evenness indices (Pielou,1969), and the number of species (taxa). These estimates provide an indication of the relative quality of the macroinvertebrate community.

l 2.2.3 Habitats Substrate type is an important factor in determining the composition of the benthic community. Two distinct benthic habitats exist in the Ohio River near BVPS. These habitats are the result of damming, channelization, and river traffic. Shoreline habitats were generally soft muck substrates composed of sand, silt, and detritus. An exception occurs along the north shoreline of Phillis Island at Station 2A where clay and sand predominate. The other distinct habitat, hard substrate, is located at mid-river. The hard substrate is probably the result of channelization and scouring by river currents and turbulence from commercial boat traffic.

2.2.4 Results Forty six macroinvertebrate taxa were identified during the 1997 monitoring program (Tables 2.2 and 2.3). The macroinvertebrate assemblage during 1997 was dominated by burrowing organisms typical of soft unconsolidated substrates. Oligochaetes g

(segmented worms) and chironomid (midge fly) larvae were abundant (Table 2.4). The E

Asiatic clam (Corbicula fluminea), has been observed in the Ohio River near BVPS from 1974 to present. No zebra mussels have been collected in the BVPS benthic samples to date. Adult zebra mussels were detected in 1995 and 1996 by divers in the BVPS main and auxiliary intake structures during scheduled cleaning operations. Zebra mussels were also detected in pump samples taken in 1997 (see Section 2.5, Zebra Mussel Monitoring Program).

In 1997, three species were added to the cumulative taxa list of macroinvertebrates collected near BVPS (Table 2.2). No state or Federal threatened or endangered macroinvertebrate species were collected during 1997.

2.2.5 Community Structure and Spatial Distribution I

Oligochaetes accounted for the highest mean percentage of the macrotnvertebrates at all sampling stations in May and September (Tables 2.4 and 2.5). In May, chironomids were the most abundant macroinvertebrate at Station 2B2, where they comprised greater than 75 percent of the total organisms observed. In September, mollusca comprised 63 percent of the observed benthic macroinvertebrates at Station 2B2.

I

2-3 i

Density and species composition variations observed within the BVPS study area were due primarily to habitat differences and the tendency of certain types of macroinvertebrates (e.g., oligochaetes) to cluster.

l 2.2.6 Cornparison of Control and Non-Control Station Species composition at the control and non-control sample stations was similar (Table 2.3). Data indicate that oligochaetes were dominant at Station 1 (control) and Station 2B (non-control) for both the May and September sample events.

In May, oligochaetes comprised 72 and 63 percent of the species observed, while in September they dropped to 60 and 50 percent for control and non-control (mean) j stations, respectively (Table 2.5). The relative abundance of each species group was l

also similar in terms of the estimated number of species observed per square meter (Table 2.4). Differences observed between Station 1 (control) and 2B (non-control) and

• between other stations could be related to the differences in habitat at each station.

Observed differences were within the expected range of variation for natural populations of macroinvertebrates.

Indices were calculated to determine the relative diversity, evenness, and r'chness l

among stations and between control and non-control sites. The Shannon-Welner diversity indices in May collections ranged from 1.27 at Station 2A to 3.75 at Station 2B3 (Table 2.6). A higher diversity index indicates a relatively better structured assemblage of organisms, while a lower index generally indicates a low quality or stressed community.

Evenness, an index that estimates the relative contribution of each taxon to the 7

l community assemblage, ranged from 0.15 at Station 2A to 0.47 at control Station 283.

The community richness, another estimate of the quality of the macroinvertebrate community, was greatest at Station 283 and lowest at control Station 2A.

I in September, the highest diversity was present at control Station 283 and lowest at non-control Station 2B2. The diversity value for September was comparable among the sample stations in May. Evenness and richness indices also were comparable among stations in September and did not indicate any impacts of the BVPS on the benthic community, as measured by differences between control and non-control stations.

2.2.7 Seasonal Comparison i

The number of benthic organisms obs nved in September of 1997 was twice that observed in May 1997 (Table 2.3), but enore taxa were found in May than in September.

l

I 2-4 2.2.8 Discussion Substrate was probably the most important factor controlling the distribution and abundance of the benthic macroinvertebrates in the Ohio River near BVPS. Soft muck-type substrates along the shoreline were conducive to oligochaete, chironomid, and mollusk proliferation, while limiting to species of macroinvertebrates that iequire a more stable bottom. Community structure has changed little since pre-operational years, and the available evidence does not indicate that BVPS operations have affected the benthic community of the Ohio River (Table 2.7).

I 2.3 Fish 2.3.1 Objective Fish sampling was conducted to detect possible changes that may have occurred in the fish populations in the Ohio River near BVPS.

2.3.2 Methods Adult fish surveys were scheduled and performed in May, July, September, and l

November 1997. During each survey, fish were sampled at four stations (Figure 1.3) utilizing standardized electrofishing techniques. Seining was performed at Station 1 (north shore) and Station 2B (south shore of Phillis Island), to sample species that are generally under-represented in electrofishing (e.g., young-of-the-year fish and small l

cyprinids).

Night electrofishing was conducted using a boom electroshocker and flood lights E

mounted to the bow of the boat. A Coffelt variable voltage, pulsed-DC electrofishing unit 3

powered by a 3.5-kW generator was used. Selected voltage depended on water conductivity and was adjusted based on amperage of the current passing through the water. The north and south shoreline areas at each station were shocked for at least 10 minutes of unit "on" time (approximately five minutes each shore) during each suntey.

I When large schools of single species fish were encountered during electrofishing efforts, all of the stunned fish were not netted and retrieved onboard the boat. A few fish wer:

netted foridentification, and the number of obsented stunned fish remaining in the water was estimated. The size range of the fish in the school was also estimated and recorded.

This was done in an effort to expedite sample processing and cover a larger area during the timed electrofishing run. Regardless of the number of individuals, all game fish were I

boated when observed.

l l

l l

l

/

[

2-5

(

Fish seining was performed at Station 1 (control) and Station 2B (non-control) during

~

each 1997 BVPS fishery survey. A 30-ft long bag seine made of 1/4-inch nylon mesh

[

netting was used to collect fish located close to shore in 1 to 4 ft of water. Three seine i

hauls were performed at both Station 1 (north shore) and Station 2B (south shore) during each survey.

Fishes collected during electrofishing and setning efforts were processed according to standardized procedures. All captured game fishes were identified, counted, measured

(

for total length (mm), and weighed (g). Non-game fishes were counted, and a random subsample of lengths was taken. Live fish were retumed to the river immediately after processing was completed. All fish that were unidentifiable or of questionable identification and were obviously not on the endangered or threatened species list were placed in plastic sample bottles, preserved, labeled and retumed to the laboratory for identification. Any fish that had not previously been collected at BVPS was retained for the voucher collection. Any threatened or endangered species (if collected), would. be,

photographed and released.

[

2.3.3 Results Fish population surveys have been conducted in the Ohio River near BVPS annually from 1970 through 1997. These surveys have resulted in the collection of 70 fish species

(

and four hybrids (Table 2.8). Various agencies (PAF&BC, ORSANCO) have also conducted fishery surveys in the New Cumberland Poo!.1 recent years, resulting in the identif, cation of taxa not collected in previous BVPS surveys. These additional fish taxa ~

[

(goldeye, redear sunfish, and pumpkinseed-redear sunfish hybrid) are included on Table 2.8, bringing the total number of fish taxa to 77 for the New Cumberland Pool of the Ohio River.

In 1997, 759 fishes representing 38 taxa were collected during'BVPS surveys by

{

electrofishing and selning (Tables 2.9 and 2.10). An estimated additional 1,740 were observed but not handled during electrofishing surveys (Table 2.15). The most common species in the 1997 BVPS surveys, collected by electrofishing and seining combined,

(

were emerald shiner (30.6 percent), gizzard shad (24.6 percent), and freshwater drum (9.6 percent). The remaining species combined accounted for 35.2 percent of the total handled catch. The most frequently observed (handled and not handled combined) fish in 1997 was the gizzard shad (estimated n=1,659), followed by the emerald shiner (estimated n=265) and freshwater drum (estimated n=246) (Tables 2.9,2.10, and 2.15).

{

Game fishes collected during 1997 included channel catfish, flathead catfish, white crapple, white bass, bluegill, largemouth bass, smallmouth bass, striped bass, white

~

bass, yellow perch, sauger, and walleye. Game fishes represented 13.6 percent of the

[

total handled catch.

6

i i

26 A total of 580 fish, representing 27 taxa, were collected by electrofishing in 1997 (Table 2.9). Ginard shad accounted for the largest percentage (27.2 percent) of the electrofishing catch in 1997 followed by emerald shiner (21.0 percent), silver redhorse (12.8 percent), and freshwater drum (11.0 percent). The most frequently-collected game i

species was white bass (4.3 percent of all fish collected) followed by walleye (0.9 percent).

Atotal of 179 fishes representing 11 taxa were collected by seining in 1997 (Table 2.10).

Fish taxa collected included emerald shiner (61.5 percent), gizzard shad (16.2 percent),

black buffalo (7.8 percent), and freshwater drum (5.0 percent).

A total of 79 fish representing 14 species was captured during the May 1997 sample event (Table 2.11). Few fish were capt m.4 *t se:ne sample stations during the May sample event. No fish were captured at see station S-2 during the May event.

A total of 198 fish representing 17 species was captured during the July 1997 sample event (Fable 2.12). Fish were collected at all sample stations in July. A total of 141 fish was collected during electrofishing and 57 during seining. Emerald shiner was the most E

common species captured by seining, and gizzard shad the most common species during E

electrofishing efforts.

During the September sample event,173 fish were collected (Table 2.13). Fish were collected at all sample stations. Gizzard shad was the most common species captured by electrofishing and was also the most frequently observed fish (Table 2.15). The.

freshwater drum was the next most frequently captured and observed fish. Emerald shiner was the most common species captured by seining.

During the November sample event,309 f.sh were captured (Table 2.14). No fish were captured by selning at sample Station E-1 in November. Gizzard shad and emerald g

shiner were the most abundant specias captured by electrofishing and the most E

frequently observed fish (Table 2.15). Emerald shiner was the most abundant specia captured by seining.

l At the request of the Pennsylvania Fish and Boat Commission, electrofishing catch rates l

were calculated as fish per minute (i.e., power on time) of sampling for data from the l

1996 and 1997 sample years. Electrofishing catch rates are presented in Tables 2.16 and 2.17 for fish that were boated and handled during the 1996 and 1997 surveys by E

season. For 1996, the largest electrofishing catch rate occurred during the winter survey 3

when 1.24 fish per electrofishing minute were caught. Seasonal catch rates tended to increase from spring (0.38 fish /electrofishing mintte) through the winter (1.24 fish /

electrofishing minute) in 1996.

I

27 f

in 1997, the largest electrofishing catch rate was again for the winter sample (6.23 fish /electrofishing minute). The lowest catch rate was observed in the spring (2.00 fish /

electrofishing minute), followed by the fall survey (2.62 fish /electrofishing minute) and the summer survey (3.11 fish /electrofishing minute). The winter 1997 catch rate was the largest seasonal catch rate observed in both 1996 and 1997 by a margin of 2 to 1.

The yearty electrofishing catch rate in 1997 was 3.5 times larger than in 1996. This large difference was attributed in part to the environmental conditions that were prevalent

{

during the 1997 study year. A high water year existed in 1996. The high water and swift currents that prevailed in 1996 reduced the effectiveness of electrofishing. Strong year classes of gizzard shad, freshwater drum, and emerald shiner contributed large numbers of individuals to the 1997 catch rate, which was also a major contributing factor to the larger catch rates observed in 1997 compared to 1996.

2.3.4 Comparison of Control and Non-Control Stations The electrofishing data (Table 2.9) did not indicate major differences in species composition between the control station (1) and non-control stations 2A,28, and 3.

A greater number of fish representing more species were captured at non-control stations than control stations. This was most likely due to the extra effort expended at non-control stations versus control stations (i.e., there are three non-control stations and only one control station).

The seine data for 1997 (Table 2.10) Indicated no major differences in species composition between control and non-control stations. The total number of fish captured at non-control stations was larger than at the control station, but this is attributed to the f

greater fishing effort at non-control stations.

2.3.5 Discussion l

The results of the 1997 fish surveys indicate a normal community structure for the Ohio River based on species composition aad relative abundance of fish observed during the survey. Forage species were collected in the highest numbers. Forage species, such as gizzard shad and emerald shinerwith high reproductive potentials, frequently respond to changes in natural environmental factors (competition, food availability, cover, and water quality) with large fluctuations in population size. This, in turn, influences their

{

appeamnce in the sample populations during annual surveys. Variations in annual catch are 9ttributable to normal fluctuations in the population size of the forage species and the pradator populations that rely on them. Spawning / rearing success due to ablotic factors is uually the determining factor of the size and composition of a fish community.

I 28 Variation in electroilshing catch rate can also be attributed to environmental conditions that prevali during sampling efforts. The high water and swift currents that prevailed during 1996 most likely reduced the effectiveness of electrofishing, resulting in lower than expected catch rates.

I in 1997, species composition remained comparable among stations. Common taxa collected in the 1997 surveys by all methods included gizzard shad, freshwater drum, emerald shiner, redhorse species, spottall shiner, channel catfish, buffalo species, common carp, sauger, quillback, and smallmouth bass. Little difference in the species composition of the catch was observed between the control (1) and non-control stations (2A,28 and 3). Habitat preference and availability are probably the most important factors affecting where and when different species of fish are collected.

2.4 Corbicula Monitoring Program 2.4.1 Introduction The introduced Asiatic clam (Corbicula fluminea) was first detected in the United States in 1938 in the Columbia River near Knappton, Washington (Burch 1944). It has since spread throughout the country, inhabiting any suitable freshwater habitat. Information g

from prior aquatic surveys has demonstrated the presence of Corbicula in the Ohio River 3

in the vicinity of the BVPS, and the plant is listed in NUREG/CR-4233 (Counts 1985).

One adult clam is capable of producing many thousands of larvae called early juveniles.

l These earlyjuveniles are very small(approximately 0.2 mm) and will easily pass through the water passages of a power plant. Once the juveniles settle on the substrate, rapid f

growth occurs. If Corbicula develop within a power plant's water passages, they can impede the flow of water through the plant, especially through blockage of condenser tubes and small service water piping. Reduction of flow may be so severe that a plant shutdown is necessary. Corbicula are of particular concern when they develop l

undetected in emergency systems where the flow of water is not constant (NRC, IE gm Bulletin 8103).

The Corbicula Monitoring Program at BVPS includes sampling the Ohio River, and the circulating river water and service water systems of the BVPS (intake structure and cooling towers). This report describes this Monitoring Program and the results of the field and plant surveys conducted through 1997.

I

. m

l 2-9

(

2.4.2 Monitoring

{

(a)

Objectives The objective of the ongoing Monitoring Program is to evaluate the presence of

(

Corbicula at BVPS and the Ohio River in the vicinity of the intake structure, to evaluate the potential for and timir;g of infestation of the BVPS. This program is

, also used to monitor for the presencs of zebra mussels (see Section 2.5).

(b)

Methods (1) Cooling Towers - Monthly Reservoir Sampling

(

Corbicula enter the BVPS from the Ohio River by passing through the water intakes, and eventually settle in low flow areas including the loifer' ~

reservoirs of Units 1 and 2 cooling towers. The density and growth of these f

Corbicula are monitored by collecting monthly samples from the lower reservoir sidewalls and sediments by using a sampler. The sampler used

[

on the sidewalls consists of a D-frame net attached behind a 12-inch long 1

metal scraping edge. This device is connected to a pole long enough to allow the sampler to extend down into the reservoir area from the outside

{

wall of the cooling tower.

A single petite ponar grab sample was taken in each reservoir to obtain ~

[

density and growth information from the bottom sediment. The samples collected from each tower were retumed to the laboratory and processed.

Samples were individually washed, and any Corbicula removed and rinsed

[

through a series of stacked U.S. Standard sieves that ranged in mesh size from 16.0 mm to 0.6 mm. Uve and dead clams on each sieve were counted

{

and the numbers were recorded. The size distribution data obtained using the sieves reflects clam width, rather than length. Samples containing a small number of Corbicula were not sieved; individuals were measured and

[

placed in their respective length categories.

(2) Cooling Towers - Corbicula Density Determination Population surveys of both BVPS cooling tower reservoirs have been

{

conducted during scheduled outages (1986 through 1997) to estimate the number of Corbicula present in these structures, in 1997, only Unit 1 was sampled during the scheduled outage to estimate the Corbicula population.

i i

2-10 The sediment and Corbicula were removed from the drained cooling tower basin after the population survey sampling was completed for the outage.

After discussions with DLC, it was decided to eliminate Corbicula cage monitoring in the intake during the winter months of December and January.

The life histories of both macrofouling bivalves present at BVPS (i.e.,

Corbicula and zebra mussels) minimizes the need to monitor for them during these winter months. Settlement of spat (i.e., juvenile bivalves) does not successfully take place, and growth of any settled indi0iduals is minimal.

This schedule was first emplaced for December 1997.

(3) Unit 1 Cooling Tower The Corbicula population in the basin of the Unit 1 cooling tower was estimated based on sampling performed during the scheduled outa.g.e.

Seventeen samples (consisting of two or three petite ponar grabs depending on the depth of the sediment at the sample location) were collected at standardized sampling locations within the drained reservoir E

basin on October 10,1997. These sampling locations were consistent with 3

previous Unit 1 cooling tower population surveys (DLC,1993).

The substrate of each sample was characterized at the time of collection.

The samples were retumed to the laboratory, kept cool, and sorted for Corbicula within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> of collection. This procedure increased overall sorting efficiency because a preservative was not needed, and live Corbicula could be seen moving in the sorting trays. Counts were made of live and dead Corbicula in each dredge sample. These sample counts were converted to densities (clams /m ) based on the surface area sampled by 2

the dredge. An average densitywas then calculated for each cooling tower g

sample. An estimate of the area of the cooling tower basin covered by E

sediment was calculated, since the Corbicula were concentrated almost entirely in the sediment. The estimated population was calculated by multiplying the average density times the area of sediment coverage.

(c)

Results (1) Unit 1 Cooling Tower - Monthly Reservoir Sampling in 1997, a total of 42 Corbicula (50 percent alive) were collected from the Unit 1 cooling tower basin during monthly reservoir sampling. The largest live Corbicula collected measured 15 mm in length (Table 2.18).

2-11 In 1997, DLC continued its Corbicula control program (eighth year) which included the use of a molluscicide (CT-1) to prevent the proliferation of Corbicula within BVPS. BVPS was granted permission by the Pennsylvania Department of Environmental Protection to use CT-1 to target the Unit 1 river water system and the Unit 2 service water system.

In 1990 through 1993, the molluscicide applications (CT-1) focused on reducing the Corbicula population throughout the entire river water system of each BVPS plant (Units 1 and 2). In 1994 and 1995, the CT-1 applications targeted the intemal water systems, therefore the CT-1 concentrations in the cooling towers were reduced during CT-1 applications.

Consequently, adult and juvenile Corbicula in the cooling towers often survived the CT-1 applications. Reservoir sediment samples taken after CT-1 applications represent mortality of Corbicula in the cooling tower only and do not reflect mortality in BVPS intemal water systems.

CT_-1..

applications occurred on August 26 for Unit 1 and on August 19 and November 26 for UnR 2 in 1997.

(2) Unit 2 Cooling Tower - Monthly Reservoir Sampling in 1997, a total of six Corbicula (100 percent alive) were collected from the Unit 2 cooling tower reservoir during monthly sampling. The largest Corbicula collected measured 11 mm in length (Table 2.19).

(3) Cooling Towers - Corbicula Density Determination

+ Unit 1 Cooling Tower The results of the October 10,1997 Corbicula density determination in the Unit 1 cooling tower (lower reservoir) are presented in Table 2.20.

Based on the seventeen ponar dredge samples collected from the lower reservoir, the estimated number of Corbicula inhabiting this area was 85,737,072 clams, of which 45.2 percent were alive. The largest Corbicula collected measured 28 mm, the smallest was 1 mm, and the average size was 14.9 mm. No zebra mussels were found in the 17 samples collected from the Unit 1 cooling tower reservoir.

• Unit 2 Cooling Tower No Corbicula density determination sampling was conducted in the Unit 2 cooling tower resentoir in 1997 because the unit did not have a scheduled maintenance shutdown.

2-12 (d)

Discussion The monthly reservoir sediment samples collected in Units 1 and 2 cooling towers during 1997 indicated that Corbicula were entering and colonizing the reservoirs. The monthly clam density estimates for Unit 1 indicated a small population from April through June and then fell off to zero in July and August.

A number of large Individuals was observed in September, and no data was g

available for October and November due to unit outage (Figure 2.1). Data from 3

Unit 2 (Figure 2.2) indicate that a population of Corbicula was established in June, but subsequent sampling indicated sporadic results through November.

2.4.3 Corbicula Larvae Study (a)

Objective The Corbicula larvae study was designed to co!'ect data on Corbicula spawning activities and growth of individuals entering the intake from the Ohio River.

(b)

Methods R: Mally constructed clam cages were initially utilized for this study. Each cage was constructed of a 1 ft durable plastic frame with fiberglass screening (1 mm 2

mesh) secured to cover all open areas. Each cage contained approximately 10 E

lbs ofindustrial glass beads (3/8-inch diameter) to provide ballast and a uniform 5

substrate for the clams. The clam cage mesh size permits only very small clams or pediveliger larvae to enter and colonize the cage.

In 1988 through 1994, the cages were left in place for five months following initial placement. Changes in procedure were made to better define the time period when Corbicula were spawning in the Ohio River and releasing larvae that could enter BVPS through the intake structure.

Larval cages were maintained in the BVPS intake structure in 1995 according to the following procedure. Each month, two empty clam cages were placed in the intake structure bays. Each cage was left in place for two months, after which time it was removed and examined for clams. Four clam cages were maintained in the intake structure bays each month throughout 1995-1996.

In February 1996, it was decided to modify the sampling regime so that two of the four cages in the forebay were long-term samplers and the other two were monthly short-term samplers. Each month, the two long-term samplers were pulled; the fine sediment was carefully washed from the cage and any Corbicula

2-13 present were measured. The cages were immediately redeployed along with any identified Corbicula. The two short-term cages were pulled monthly and the contents removed for laboratory analyses. New short-term cages were then deployed.

I Each short-term clam cage removed after the one or two month colonization period was retumed to the laboratory where it was processed to obtain the clams which had colonized inside the cage. Corbicula obtained from each cage were rinsed through a series of stacked U.S. Standard sieves ranging in mesh size from 9.5 mm to 0.6 mm. Live and dead clams on each sieve were counted and I

the numbers were recorded. The largest and smallest clams were measured using Vernier calipers to establish a length range for the sample. The size distribution data obtaineo using the sieves reflects clam width, rather than length.

Observational-based concems that the clam cages could quickly clog with.

sediment during high sediment periods and, as a result, not sample effectively, led Acres to conduct an evaluation of an alternate sampling technique. From Aprilthrough June 1997, Acres conducted a study to compare the results of the i

clam cage samplers to a petite ponar dredge technique to determine Corbicula presence and density in the BVPS Intake bays. It was hypothesized that using I

a ponar sampler to collect bottom sediments and analysis of those sediments would provide a more representative sample of Corbicula settlement and growth rates, and had the added benefit of not requiring confined space entry to conduct the sampling.

Results of the study indicated that ponar and clam cages provide comparable I

estimates of Corbicula density in the intake during the period of study (see letter dated July 11,1997, to Mr. Michael D. Banko Ill (DLC), from Mr. Cameron L.

Lange (Acres)). It was decided to use the ponar technique instead of the clam I

cages for monthly sampling starting in August 1997 and continue the long-term Corbicula cage monitoring to evaluate Corbicula growth.

I (c)

Results Figure 2.3 illustrates size distribution data that represents the average for the two larval cages that were removed each month from the intake structure for January through July and for petite ponar grabs for August through November. Larval cages removed in January through April contained no Corbicuta. The largest

(

number of Corbicuta in the clam cages occurred in June and July. The clams for these two months were also the largest observed during the survey.

[

W

2 14 (d)

Discussion A late spring /early summer spawning period typically occurs in the Ohio River near BVPS each year when optimal spawning temperatures are reached (Figure 2.4). Tile offspring from this spawning event generally begin appearing in the sample collections in August and September (Figure 2.3). The offspring will generally be observed to increase in size and number during subsequent sampling events under normal conditions.

High sediment loads in the Ollo River in 1996 resulted in rh. t e- ;ging of the cages with hard-packed fines. During most months, a thick layer of sediment was present on the top of the cages, which would limit the ability of the cages to sample the young spat by blocking them from entering the cage. Any Corbicula that settled in the cages prior to this sediment buildup would likely die !n the anoxic conditions, which would also lead to an underestimate of the degree _of_.

facility infestation based on the clam cage results.

In response to the problem of rapid clogging of the Corbicula cages with hard-packed fines, Acres conducted a study of the use of attemate sampling techniques. Acres found that ponar sampling and clam cage sampling yielded comparable results. After discussing these findin0s with DLC, it was decided to use the ponar sampling technique for monthly sampling starting in August 1997.

2.5 Zebra Mussel Monitoring Program l'

l 2.5.1 Introduction Zebra mussels (Dreissena oolvmomhai are exotic freshwater mollusks that have ventrally flattened shells generally marked with attemating zig-zag yellowish bands. They are believed to have been introduced into North America through the ballast water of ocean-going cargo vessels probably from Eastem Europe. They were first identified in Lake St. Clair in 1987 and spread rapidly to other Great Lakes, becoming increasingly abundant in the lower, middle, and upper Ohio River in recent years.

Adult zebra mussels can live up to five years and grow to 2 inches in length. North American research suggests that each female may be capable of producing over one million microscopic (veliger larvae) offspring per year, that can easily pass through water intake screens. They use strong adhesive byssal threads, collectively referred to as the byssus, to attach themselves to any hard surfaces (e.g., boat hulls, intake pipes and other mussels). Transport of these organisms between waterbodies is accomplished in part by boats that have adult mussels attached to their hulls or larvae in their live wells.

I

2-15 and/or bilges. In anticipation of zebra musselinfestation and responding to NRC Notice No. 89 76 (Blofouling Agent-Zebra Mussel, November 21,1989), BVPS instituted a Zebra Mussel Monitoring Program in January 1990.

The Zebra Mussel Monitoring Program includes the Ohio River and the circulating river water system of the BVPS (intake structure and cooling towers). This section describes this Monitoring Program and the results obtained during Ohio River and BVPS surveys conducted through 1997.

2.5.2 Monitoring (a)

Objectives The objectives of the Monitoring Program are:

I (1) To identify if zebra mussels are in the Ohio River adjacent to BVPS and provide early waming to operations personnel as to their possible infestation; (2) To provide data as to when the larvae are mobile in the Ohio River and insights as to their vulnerability to potential treatments; and (3) To provide data as to their overall density and growth rates under different I

water temperatures and provide estimates as to the time it requires for these mussels to reach clogging size and density.

(b)

Methods (1) Intake Structure and Barge Slip Three surveillance techniques were used in the intake structure and open I

water. These were:

I

• Wall scraper sample collections on a monthly basis from the barge slip and the riprap near the intake structure to detect attached adults;

• Bridal veil samples from the intake structure for detection of settleable-sized mussels; and

• Pump samples from the barge slip for detection of the planktonic early

[

life forms (April through October).

u W

m

_s

2-16 (2) Cooling Towers The cooling towers were monitored for zebra mussels using three techniques:

. The monthly reservoir scraper samples in each cooling tower;

• The bi-monthly wall screper samples in each cooling tower; and The Corbicula population density surveys conducted during regularly scheduled outages.

(3) Results Forthe first time zebra mussels were detected in the pump (Table 2.21) and. -

E substrate (Table 2.22) samples. Zebra mussel veligers were detected in 3

June pump samples at both the barge slip and intake structure stations.

Veligers were also observed in the September barge slip pump samples.

f None of the observed zebra mussel veligers were alive at the time of laboratory sample analysis.

I Juvenile cad adult zebra mussels were observed in clam cage and ponar dredge samples from the intake structure at BVPS (Table 2.22). Juvenile zebra mussels began to appear in the August sample, and adult zebra.

mussels began to appearin samples during the November sample.

No zebra mussels were observed in the bridal veilintake sample, cooling tower sediment or wall sampling samples, or barge slip and intake structure wall scraping samples.

I (d)

Discussion BVPS initiated a Zebra Mussel Monitoring Progran. In January 1990. From 1991 through 1993, zebra mussels moved progressively upstream from the lower to g

l upper Ohio River. In 1994, there were confirmed zebra mussel sightings at 3

l locations both upstream and downstream from BVPS, including the Allegheny River. The July 1995 sighting of zebra mussels at Maxwell Locks and Dam on the Monongahela River established the presence of these organisms within the Allegheny, Monongahela and Ohio Rivers in Westem Pennsylvania.

In 1995, live zebra mussels were found by divers in the BVPS main intake structure and auxiliary intake structure during scheduled cleaning operations.

2-17

~~

The 1996 Zebra Mussel Monitoring Program at BVPS did not collect any live zebra mussels at BVPS. During the first quarter 1996 (January and February) intake bay cleaning, divers observed an undetermined number of zebra mussels in the intake bays. During the second quarter 1996 cleaning, no mussels were reported to be observed. During the third and fourth quarter 1996 intake bay cleanings, an estimated dozen mussels were observed each time in Bay C only.

None were collected by the divers for confirmation.

During the 1997 Zebra Mussel Monitoring Program at BVPS, zebra mussel veligers, juveniles and adults were observed for the first time in sample collections. A moderate density of zebra mussel veligers was observed during the June 1997 sample, indicating that spawning occurred sometime during the month of June (Table 2.21). Juvenile zebra mussels appeared two months later in the clam cage and ponar dredge samples (Table 2.22). Known growth potential of zebra mussels indicates that the observed juvenile zebra musssis.

are most likely from the observed June spawning. This observation is evidence supporting the notion of successful zebra mussel spawning in the intake area at BVPS.

The observatioq that adult zebra mussels were found in the intake ponar dredge samples in November 1997 confirms the previous observations by divers that zebra mussels are colonizing the area in and around the intake structure. To j

more fully document zebra mussel infestation at BVPS, additional sampling would need to be conducted to ascertain the exact timing of spawning and to.

determine the extent and severity of infestation in BVPS service water.

=

m ceD 6

5 v

o 5

N 7

0 t

1 c

O 9

3 9

p 2

e S

9, 8

g 2

uA S

7 7

PV l

1 1

u 6

6 7

J B 9 1

1 Y91 N

0 n

AR u

3 PO J

MF 1

OS 3

3 3

2 y

1 1

1 CE a

2 E

T M

L T

1 A

B H D A

G G 6

I T

L r

1 M

N p

EI A

L N P SE M 4

r 2

U A a

Q S M

UD b

62 e

F 6

na J

s s

le e

s t

s a

u rb M

e y

a r

r it t

s e

b n

v e

e n

Z D

io d

r n

T c

h a

C a

s M

F l

la i

a c

u u

i c

ib h

i c

t b

n r

r e

o o

B C

C M

llll ll ll1 1

llli

l TABLE 2.2 SYSTEMATIC LIST OF MACROINVERTEBRATES COLLECTED FROM 1973 THROUGH 1997 IN THE OHIO RIVER NEAR BVPS Collected in Collected in New in Taxa Previous Years 1997 1997 Porifera Soonalila fraailis X

Cnidaria Hydrozoa Clavidae Gnidvlochora lacustris X

Hydridae Crasoedacusta sowerbil X

Hydra sp.

X Platyhelminthes Tricladida X

~

Rhabdocoela X

Nemertea X

Nematoda X

X Entoprocta Urnatella oracilis X

Ectoprocta Fredericella sp.

X Paludicella articulata X

I Pectinatella sp.

X Plumatella sp.

X I

Annelida Oligochaeta X

Aeolosomatidae X

Tubificida X

I Enchytraeidae X

X Naididae Altonais oectinata X

1 Amohichaeta levdial X

Amohichaeta sp.

X Arcteonais lomoncli X

Autochorus sp.

X 1

ChaetoaasteIdigohanus X

Q. diastrochus X

Qarn digitata X

Reta flabelliaer X

Q.DiYag X

{

Dgig sp.

X Hals barbata X

N. behninal X

N. bretscherl X

[

N. communis X

1

TABLE 2.2 (Cent'd)

Collected in Collected in New in

. Taxa Previous Years 1997 1997 N. elinauis X

N. pardalis X

N. oseudobtusa X

N.Simolex X

N. variabilis X

Mais sp.

X X

Oohidonais seroentina X

l Paranais tri.c]

X 3

Paranais sp.

X Piauetiella michicanensis X

Pristina idrensis X

Pnstina lonaisoma X

Pristina lonaiseta X

E. osborni X

E. strna X

Pristina sp.

X Pristinella osborni Rioistes carasda X

Slavina accendiculata X

Steohensoniana trivandrana X

Stylaria fossularis X

S. Lagustris X

Uncinals uncinata X

Veidovskvella comata X

Veidovskvella intermedia X

Veidovskvella sp.

X Tubificidae X

X g

6_ulgdrilus sp.

X l

Autodritus limnobius X

6. Piq9fdj X

6. pluriseta X

Bothrioneurum veidovskvanum X

Branchiura sowerbvi X

livodrifus temoietoni X

E Limnodritus cervix X

g L.EgIylg (variant)

X L. claoaredianes X

L. hoffmeisteri X

X L maumeensis X

L orofundicta X

L. soiralis X

g L. udekemianus X

E Limnodrilus sp.

X Peloscolex multisetosus lonaidentus X

E. m. multisetosus X

l Potamothrix moldaviensis X

5 E.ygidovskyi X

X Psammorvctides curvisetosus X

g Tubifex tubifex X

g Unidentified immature forms:

with hair chaetae X

without hair chaetae X

X 2-

l TABLE 2.2 (Cont'd)

Collected in Collected in New in

_lqKa Previous Years 1997

.1997 Lumbilculidae X

Hirudinea X

X Glossiphoniidae X

Helobdella elonaata X

H. staanafis X

Helobdella sp.

X Erpobdeltidae Eroobdella sp.

X Mqoreobdella miqrostoma X

Arthropoda I

Acarina X

Ostracoda X

lsopoda Asellus sp.

X I

Amphipoda Talitridae Hvatella azteca X

I

~

~

Gammaridae Cranaonyx oseudoaracilis X

Cranconyx sp.

X Gammarus fasciatus X

I Gammarus sp.

X X

Decapoda X

X Collembola X

I Ephemeroptera X

Heptageniidae X

Stenacron sp.

X Stenonema sp.

X I

Ephemeridae Echemera sp.

X Hexaaenia sp.

X X

I Ephron X

Baetidae X

Caenidae Caenis sp.

X X

Serattella X

Tricorythidae Tricorythodes sp.

X I

Megaloptera SJalit sp.

X l

Odonata l

Gomphidae

&gla sp.

X l

Dromoaomohus sooliatus X

l Dromocomohus sp.

X I

Gomohus sp.

X Libellulidae Libellula sp.

X Trichoptera Hydropsychidae X

X Cheumatoosvche sp.

X Hydroosvche sp.

X Hydroptilidae X

W

T TABLE 2.2 (C::nt'd)

Collected in Collected in New in l

Taxa Previous Years 1997 1997 Hydrootila sp.

X Oxvethira sp.

X Leptoceridae Ceraclea sp.

X Oecets sp.

X X

Polycentropodidae Cvrnellus sp.

X l

Polveentroous sp.

X E

Coleoptera X

Hydrophilidae X

1 Elmidae Ancvronyx varieaatus X

Dubiraohla sp.

X Helichus sp.

X g

Stenelmis sp.

X g

l Psephenidae X

Diptera g

Unidentified Diptera X

X g

Psychodidae X

X Pericoma sp.

X Psychoda sp.

X Telmatc3copus sp.

X Unidentified Psychodidae pupae X

Chaoboridae X

Chaoborus sp.

X l

Simuliidae l

Similium sp.

X Chironomidae X

X E

Chironominae X

E Tanytarsini pupa X

Chironominae pupa X

l Ma_.ry.s sp.

X Chironomus sp.

X X

Cladocelma sp.

X Crvotochironomus sp.

X X

g Dicrotendices nervosus X

E l

Dicrotendices sp.

X l

Givototendices sp.

X Harnischia sp.

X Microchironomus sp.

X Microosectra sp.

X X

Microtendices sp.

X Parachironomus sp.

X X

Paraciadocelma sp.

X Paratendices albimanus X

Phaenoosectra sp.

X Polvoedilum (s.s.) convictum type X

E. (s.s.) simulans type X

Polvoedilum sp.

X X

g Rheotanvtarsus sp.

X X

g Stenochironomus sp.

X Stictochironomus sp.

X Tanvtarsus sp.

X L

TABLE 2.2 (Cent'd)

Collected in Collected in New in Taxa Previous Years 1997 1997 Irjbelos sp.

X Xenochironomus sp.

X Tanypodinae Tanypodinae pupae X

Ablabesmvia sp.

X X

Coelotanvous scapularis X

Coelotanvous sp.

X X

Dlaimabatista pulcher X

Dialmababsta sp.

X Procladius (Procladius)

X Procladius sp.

X X

Tanvous sp.

X Thienemannimvia group X

Zavrelimvia sp.

X Orthocladiinae X

Orthociadiinae pupae X

Crico',cous bicinctus X

Q. (s.s.) trifascia X

Cricotoous (Isocladius)-

-svivestris Group X

Q. (Isocladius) sp.

X Cricotoous (s.s.) sp.

X Eukiefferiella sp.

X Hydrobaenus sp.

X Limnochves sp.

X Nanocladius (s.s.) distinctus X

Nanocladius sp.

X Orthocladius sp.

X X

Parametriocnemus sp.

X Parachaenocladius sp.

X Psectrocladius sp.

X X

Pseudorthocladius sp.

X Pseudosmittia sp.

X Smittia sp.

X Diamesinae Diamesa sp.

X Potthastia sp.

X Ceratopogonidae X

X Dolichopodidae X

Empididae X

Wiedemanalg sp.

X Ephydridae X

Muscidae X

Rhagionidae X

Tipulidae X

Stratiomyidae X

Syrphidae X

Lepidoptera X

b ;

TABLE 2.2 (Cont'd)

Collected in Collected in New in Taxa Previous Years 1997 1997 X

Hydrachnidia Mollusca Gastropoda X

X Physacea X

Physidae X

PhVsa X

X Ancylidae X

X E

Ferrissia sp.

X E'

Planorbidae X

X Valvatidae X

X Valvata oerdeoressa X

Pelecypoda X

X Corbiculidae Plecoptera X

Corbicula sp.

X X

Corbicula fluminea X

Sphaeriidae X

X Pisidium sp.

X X

Pisidium ventricosum X

Sphaerium sp.

X Unidentified immature Sphaeriidae X

l Dreissenidae l

Dreissena DolvmoroAg X

Unionidae X

X Anodonta grandis X

X Anodonta immature X

Elliotio sp.

X Unidentified immature Unionidae X

l I

I I

6-1

l t

TABLE 2.3 BENTHIC MACROINVERTEBRATE COUNTS FOR TRIPLICATE SAMPLES TAKEN AT EACH SAMPLE STATION BY SAMPLE DATE FOR 1997 Page 1 of 4 Collection Date:

May 13,1997 Location Scientific Name 1

2A 281 282 283 3

Total Unknown benthos 1

1 Neti;atoda 2

8 16 13 39 Diptera 2

3 5

Chironomidae 1

1

~ ~ '

a Chironomini 1

1 2

Ablabesmvia sp.

1 1

Microosectra so.

2 1

3 Parachironomus so.

1 1

Cryptochironomus so.

5 2

7 P_plypedilum sp.

1 2

48 1

39 52 143 Rheotanytarsus sp 1

93 2

96 Orthocladius SS 1

1 1

3 E_segtrocladius sS 1

1 s

Psychodidae 2

5 1

8 Chaoboridae 1

1 Ceratooooonidae 3

2 5

Hvalella mzteca 1

2 3

Gammarus sp.

2 2

4 Cranconyx go.

4 2

6 Decapoda 1

1 Echemerootera 1

1 Hexaoenia sp.

1 1

Hydroosvchidae 2

2 Hydrootilidae 2

2

I TABLE 2.3 BENTHIC MACROINVERTEBRATE COUNTS FOR TRIPLICATE SAMPLES TAKEN AT EACH SAMPLE STATION BY SAMPLE DATE FOR 1997 Page 2 of 4 Collection Date:

May 13,1997 Location Scientific Name 1

2A 2B1 2B2 283 3

Total Gastropoda 1

1 2

Ancytidae 9

9 Peleevooda 3

1 2

6 Corbicula sp.

8 11 3

23 25

~ 70' Pisidium sp 1

1 Hydrachnidia 1

2 3

Tubificida 33 49 92 174 Enchytraeidae 2

2 Naididae 1

1 9

11 Nais sp.

1 2

3 Nais behninal 8

3 11 Nais cardalis 2

131 10 3

19 1

166 Nais pseudobtusa 1

1 2

Paranais fri.ci 1

187 10 9

3 210 Pristina idrensis 1

3 4

Tubificidae 44 10 4

58 Limnodritus cervix 2

9 8

19 Limnodrilus hoffmeisteri 10 1

12 7

30 Limnodritus maumeensis 19 6

25 Limnodritus profundicula 3

3 Potamothrix veidovskyi 28 3

31 Lumbriculidae 2

3 5

May 1997 Total:

98 333 142 125 259 226 1,182 i

i

TABLE 2.3 BENTHIC MACROINVERTEBRATE COUNTS FOR TRIPLICATE SAMPLES TAKEN AT EACH SAMPLE STATION BY SAMPLE DATE FOR 1997 Page 3 of 4 Collection Date:

September 9,1997 Location Scientific Name 1

2A 281 2B2 283 3

Total Nematoda 5

1 6

Chironomidae 1

1 2

Procladius Ep.

7 34 62 14 30 147-Coelotanvous 29 6

3 8

16 33 Chironomus gg.

1 1

8 1

7 18 hAicroosectra 19 1

3 3

2 1

10 Parachironvans sp.

2 14 5

4 25

.EE fdyg.tgchironomus 7

5 1

2 3

18 Polvoedilum 12 2

8 28 5

10 5

58 Earaciadonelma 19 1

1 2

Psectrocladius gg.

1 1

Gammarus'gg.

1 1

Hexsoenia 19 1

1 2

Caenis 29 1

1 Oecetis 59 7

2 1

4 14 Gastrocoda 1

1 2

Physa 2

2 Planorbidae 2

2 Ancylidae 1

1 2

Valvatidajll 1

1 2

Peleevooda 1

1 4

3 4

13 Corbicula ng.

29 51 36 46 27 14 203 Corbicula half shell 1

3 3

2 1

5 15

l TABLE 2.3 BENTHIC MACROINVERTEBRATE COUNTS FOR TRIPLICATE SAMPLES TAKEN AT EACH SAMPLE STATION BY SAMPLE DATE FOR 1997 Page 4 of 4 Collection Date:

September 9,1997 Location Scientific Name 1

2A 281 2B2 283 3

Total Schaeriidae 1

1 Pisidium 19 1

2 3

Unionidae 1

1 Anodonta grandis 2

1 1

1 4

9 Hydrachnidia 1

3 5

~ w..,

Tubificidae immature w/o hair 69 80 163 18 49 139 518 Limnodrilus hoffmeisterl 3

8 9

3 4

19 46 Limnodrilus maumeensis 6

1 1

16 24 Potamothrix veidovskvi 4

4 10 1

3 12 34 Lumbriculidae 2

2 f

September Totals:

135 222 355 86 137 287 1,222 GRAND TOTAL:

233 555 497 211 396 513 2,405

j lll

!ill) 11 ll 7427 0

5311 0

521 0

621 0

Q 1

1 o

r tnoC

-n 8835 4

8564 3

o 5701 5

7644 3

N 2

8,742 2,

6,9 4 1,

/m

(

1 3

2 4

3 NO IT 7 2990 0

1135 0

Q 61 1

0 432 0

IS9 o

1 1

9 r

O n

t 1

MS P

o C-n 0019 0

6511 3

OM o

9238 3

0060 7

N 2

2,733 7,

8641 9,

CS

/m 2

3 1

(

I 3

TN B

NA 2

EG CR 6824 0

8732 0

RO A.

7 1

0 2

6 0

1 1

E P R E

C D H n

5735 0

6688 8

NT o

1944 0

4872 3

N AO 13, 2

8, 3

7 2,

2

(

m 1

1 1

2

/

)D B

'M N on 2

I i

R A a

t t

E S

3593 0

2521 0

,A Q

43 1

0 531 0

B o

1 1

C r

t M S n

4 o

U U C

2 NLS n

0074 1

5043 2

E (LP o

5287 3

3034 1

N L

SOV m

2 21 5

2 8712 0,

6,8,6 1,

(

B E M B 1

/

B A

T 2

T A E R A 9100 0

2774 0

B D Q

9 0

422 0

EI o

1 1

r TM tn RO oC E N

-n 8800 6

9800 7

V O o

35 9

3753 9

N R N

2 7,

7, 3,881 1,

/m

(

I 4

4 1

3 OI A

H 2

R C C

AA 2314 0

0064 0

MT 7

2 0

612 0

1 1

E g

\\_

F A o

(

O H n

r t

o RC C

8328 1

1742 4

EO 0405 1

8807 4

(

2 BG m

0, 3

4, 1,1 5 9

1

/

1 1

1 1

Ml 8

L U O N F NO AE M

e e

a a

ad 9ad t

t ei r

ei am e e a m a ho c b hoc cnem l

e oou m cns s 3

r oou e e

a 1

girl lgirl l

ihoh ihoh t

t y

l t

o p

t a

a OCMO T e OCMO to M

S T

I TABLE 2.5 2

MEAN NUMBER OF MACROINVERTEBRATES (NUMBERIM ) AND PERCENT COMPOSITION OF OLIGOCHAETA, CHIRONOMIDAE, MOLLUSCA, AND OTHER g

ORGANISMS FOR THE CONTROL STATION (1) AND THE AVERAGE FOR NON-CONTROL STATIONS (2A,2B1,2B2,2B3, AND 3),1997 l

BVPS MAY 13 Control Station (Mean)

Non-Control Station (Mean)

Wm' Nm' Oligochaeta 1,008 72 1,970 63 Chironomidae 43 3

735 23 Mcll::sca 302 21 193 6

Others 58 4

225 7

TOTAL 1,411 100 3.123 100 I

I SEPTEMBER 9 Control Station (Mean)

Non-Control Station (Mean)

1. /m2

1. lm' I

Oligochaeta 1,181 60 1,561 50 Chironomidae 187 10 867 28 Mollusca 504 26 634 20 Others 72 4

69 2

TOTAL 1,944 100 3,131 100 I

I I

I I

l

3 5

5 7

5 6

7 3

9 8

3 3

7 2

0 2

0 2

0 3

1 2

3 l

5 7

0 5

3 6

R 7

4 5

0 4

4 6

3 0

4 8

3 0

3 E

S 3

2 1

V EI 82 CR I

DO I

N H l

I S O 8

5 1

7 5

9 SE 7

2 1

2 3

6 EH 6

1 0

3 3

2 0

2 1

1 2

NT 8

H N 2

CI IR D no E

it l

DT a

i t

NC s

2 2

4 8

2 1

AE 0

4 6

6 3

4 9

3 0

3 1

2 0

3 S L 1

2 1

L S

B E O 2

6 N C 2

NS E

EE 7 l

9 L

VT 9 7

5 3

7 7

2 B

EA1 2

1 0

8 3

5 A

,R 7

1 0

1 0

2 0

3 T

Y B 2

A T E 2

I ST RR EE VV l

N IDI 1

4 1

4 4

6 R O 9

4 7

4 3

2 8

2 0

3 7

2 0

3 R

E 1

1 N C 1

A I

E M WC NI H

OT NN NE AB H

R S

x x

O e

e F

d 9

d n

n n

i e

I o

r r

r it e

b e

a 3

n t

1 in m

i s

e e

e lo y

t a

W W

p x

a a

x r

s s

t M

a n

s s

e a

n s

s n

s S

T o

e s

o T

o e

e e

f n

n C

f n

n n

n o

n n

a e

h e

o n

n e

t a

e h

n t

a o

h v

i a

o.

h v

i o

c c

D N

S E

R D

N S

E R

N

7 8

8 9

0 4

B 4

4 9

4 8

1 2

7 4

5 B

6, 7,

7, 2

2 2

2 08 78 9

1 3

2 9

1 4

2 8

1 0,

5, 2,

1 0

0 1

1 1

1 7

1 4

1 9,

9, 4,

1 2

2 0

8 4

4 8

1 B

9 3

6 8

5 7

6 4

5 B_

2 9

9 9

9 2

79 8

4 5

5 8

1L 1

0 8

9 9

N A 0,

1, 0,

1 1

9 5

1 1

1 1

0 4

2 N

O 6

8 7

1 O

ITI s

AT r

6 6

1 a

2 9

1 TA e

B 8,

0, 7

3 0

1 Y

SR l

8 B

2 1

1 6

1 9

E a

8 9

8 R P o

9 2

n 7

O O it 1

a 1

1 6

5 F E e

1 3

6 4

9 r

5 0

7 8

7

)R p

1 6

4 0

9 O

5 2

4 MP9 2,

0, 6,

1 I

1 2

1 1

RG 8

4 1

4 7

6 EN H B

8 4,

1, BI G 2

3 2

i R

7 1

8 5

U 7

2 2

2 M U 9

s B

6 8

7 UD O 1

r 2

4 1

3 a

N)R 7

9 3

e 4

1 6

5 6

Y (LH 8

l 9

SOT a

1 n

1 1

1 E

7 RS o

4 4

4 3

7, 3,

0, i

I 0

5 3

t 1

TTR B

6 8

2 a

2 1

2 2

r 6,

7 2,

e E

S NAS 2

I 3

2 p

N OEP 8

O L

7 ECYV 9

4 3

4 B

1 1

6 L B 1

7 1

0 2

5 8

B 3,

2, 7,

A D N A 1

9 8

8 2

1 4

2 T

EO N TN 3

O 8

A(I 9

4 4

RBT 2

2 1

0 2

1 9

7 8

B2A B

1, 1,

5, 1,

8, 2

1 1

1 E N R 3

4 3

5 T

E 7

RIO P 9

1 7

7 ETO 1

1 0,

0, 6

4 5

VA 1

2 6

9 N TD 1

1 B

0, 3,

1, SN 2

3 3

3 I

s O

A r

D a

R e

7 1

9 2

N Y

9 4

6 8

C B

1, 5

3, 9

A A l

2 2

1 1

0 6

3 an 9

5 2

)

o 4

4, 9,

2, ML i

7 1

3 2

3 ta 9

CO r

1 e

6 3

0 R

p 1

4 3

IH T o

1 1,

1 6

e 1

T N r

6 2

4 P

5 1

8 N O B

4 9

6 E

2 C

8 4

6 B(

0 4

7 B

1 5

2 3

2 89 9

5 7

3 1

7 0

8 9

9 2

1, 1,

1 8

9 3

1 2

1 4

9 7

1 2

1 r

r e

h e

m b

b tn o

s o

m m

n t

e n

u e

n M

M y

D p

a y

p a

t t

a u

e e

a e

e M

A S

M M

S M

l r

l 1

li 11 9

0 0

4 3

4 3

3, 9,

6, 2

2 2

2 499 1

0 1

6 8

7 7

1 9,

3, 1,

6 1

4 2

3 8

5 4

4 B

1, 1,

1, 2

2 2

2 3

0 4

7 1

9 2

7 4

9 5,

7, 6,

N 2

2 2

1 5

3 4

B 3

9 6

O 4,

6, 5,

2 1

I 8

4 6

T 7

7 A

9 99 T

9 1

S 1

0 7

4 G

6 0

3 1

4 8

1 4

7 RN H B

5, 7,

6, 4,

9, 6,

2 0

4 7

OI G 1

1 1

1 1

R 2

F U

9 U

9

)D O 1

2 4

3 9

R M)H 1

2 1

3, 7,

0, 3

3 3

I L 1

R 7

2 5

3 1

7 O T 3,

4, 8,

E 1

2 1

B RS s

B TR r

2 5

5 0

a M NA i

5 0

8 e

s B

3, 6,

4, Y

UOE r

2 6

2 4

6 a

l N(C Y e

a 9

)

1 n

9 Y

o d

9 L

l 9

i

't SN a

t 8

9 4

A n

0 5

8 a

7 4

1 1

n EO r

o 6

5 0

e 9,

6, 8,

N i

1 7,

8, 8,

p 1

1 1

o I

C TN(O a

7 3

5 O

t 1

r I

S e

(

S I

BTP p

7 N 2AV O

m 2

E 6

8 7

E D N RB 9

1 5

E B

7, 1,

4, 3

3 8

O 2

5 1

3 8

7 7

L EI P 2,

8, 5,

B TTO 9

3 6

09 B

A AA 9

2 T

RTD 1

5 0

3 B SN 3

5 4

ED A 1,

5, 3,

5 1

5 5

0 9

1 1

9 m

E )A A TNL 1

R 3

9 6

8 6

7 N

0, 6,

8, 5

2 4

VLO 8

1 4

3 1

7 1

NOI B

3, 2,

2, m

T 2

2 4

3 IO R A R T R 9

N E 98 CA OP 1

9 0

0 5

6 1

CO 4,

5, 5,

M(E 1

3 1

2 C

R h

~

I t

H P

no m

T r

5 4

5 M

e N

7 1

4 b

B 7,

5, 6,

m E

2 1

1 1

e n

B y

p a

t a

e e

88 M

S M

9 1

4 C

2 0

2 1

8, 4,

6, 3

1 8

2, 1

1 1

2 m

8 2,

1 B

~

r h

e 2

t b

f n

o m

o m

n e

n a

M t

y p

a e

a e

e M

M S

M

)

I l

l'

TABLE 2.8 q

(SCIENTIFIC AND COMMON NAME)'

i FAMILIES AND SPECIES OF FISH COLLECTED IN THE NEW CUMBERLAND POOL OF THE OHIO RIVER,1970 THROUGH 1997 BVPS Page 1 of 3 Family and Scientific Name Common Name Lepisosteidae (gars)

Leoisosteus osseus Longnose gar Hiodontidae (mooneyes)

Hiodon atosoides Goldeye N. teratsus Mooneye Clupeldae (herrings) 6191R chrysochloris Skipjack herring

6. oseudoharenaus Alewife Dorosoma ceoedianum Gizzard shad Cyprinidae (carps and minnows)

Camoostoma anomalym Central stoneroller Carassius auratus Goldfish Ctenopharvnaodon }dgjja Grass carp Cvorinella sollootera Spotfin shiner CYDriqus carolo Common carp Q. carpio x Q. auratus Carp-goldfish hybrid Luxilus chrysoceohalus Striped sNner Macrhyboosis storeriana Silver chub N.ocomis microooaon River chub Notemiaonus crysoleucas Golden shiner Notropis otherinoides Emerald shiner H. buccatus Silverjaw minnow U. hudsonius Spottall shiner H. rubellus Rosyface shiner 3

N. stramineus Sand shiner E

N. volucellus Mmic shiner Pimeohales notatus Bluntnose minnow E. oromelas Fathead minnow Rhinichthys atratulus Blacknose dace Semotilus atromaculatus Creek chub Catostomidae (suckers)

Caroiodes carolo River carpsucker Q. cvotinus Quillback G.velifer Highfin carpsucker Catostomus commersoni White sucker Hvoentelium niaricans Northem hogsucker Ictiobus bubalus Smallmouth buffalo E

1.dost Black buffalo g

Minvtrema melancos Spotted sucker

TABLE 2.8 (Continued)

Page 2 of 3 Family and Scientific Name Common Name

[

Moxostoma anisurum SINer redhorse M. carinatum River redhorse M.sigguesnel Black redhorse

[

M. erythrurum Golden redhorse M. macrolepidotum Shorthead redhorse

{

letaluridae (bullhead catfishes)

Amelurus.galEtt White catfish

6. melas Black bullhead

6. natalis Yellow bullhead

[-

6. nebulosus Brown bullhead letalurus punctatus Channel catfish NgluSEflavus Stonecat

{

Pylodictis olivans Flathead catfish Esocidae (pikes)

E12E1RGh!E Northem pike

[

E. masauinonov Muskellunge E. lucius x E. masouinonav Tiger muskellunge

[

Salmonidae (trouts)

Oncorhynchus mykiss Rainbow trout Percopsidae (trout-perches)

[

Perconsis omiscomavcus Trout-perch Cyprinodontidae (idilifishes)

{

Fundulus diaohanus Banded killifish Atherinidae (silversides)

Labidesthes sicculus Brook silverside

[

Percichthyldae (temperate basses)

Morone chrysops White bass

[

M. saxatilis Striped bass M. sanatilia xM. chrysoes Striped bass hybrid

(

Centrarchidae (sunfishes)

[

AmbloDilitt rupestris Rock bass Leoomis cyanellus Green sunfish L. albbosus Pumpkinseed

{

L. macrochirus Bluegill L. microloohus Redear sunfish L. albbosus x L. microloohus Pumpkinseed-redear sunfish hybrid Microoterus dolomieu Smallmouth bass

(

M. Dunctulatus Spotted bass M. salmoides Largemouth bass Ecmggs annularis White crapple

{

f nioromaculatus Black crappie r

I TABLE 2.8 (Continued)

Page 3 of 3 Family and Scientific Name Common Name Percidae (perches)

Etheostoma blennioides Greenside darter E. niarum Johnny darter E. zonale Banded darter Perca flavescens Yellow perch Percina caorodes Logperch E. cocelandi Channel darter Stizostedion canadense Sauger H.vnreum Walleye E. canadense x1. vitreum Saugeye Sciaenidae (drums)

Aolodinotus arunniens Freshwater drum

' Nomenclature follows Robins, pj gl. (1991)

I I

l I

I

TABLE 2.9 COMPARISON OF CONTROL VS. NON-CONTROL ELECTROFISHING CATCHES DURING THE BVPS 1997 FISHERIES SURVEY Non.

Total Common Name Scientific Name Control Control Fish Longnose gar LeDisosteus o$seus 1

0.7 1

0.2 Gizzard shad Dorosoma cooedianum 39 28.9 110 26.7 158 27.2 Sidpjack herring Alosa chrysochloris 4

3.0 4

0.7 Mooneye Hiodon teraisus 4

3.0 4

0.9 8

1.3 Goldfish Carassius auratus 1

0.7 1

0.2 Silver chub Macrhyboosis storerlana 3

0.7 3

0.5 Emerald shiner Notroois otherinoides 21 15.6 101 22.7 122 21.0 SpottaR shiner N hudsonius 12 2.70 5

2.1 Quillback Carpiedes ervorinus 1

0.7 10 2.2 11 1.9 Whne sucker Catostomus commersoni 1

0.7 2

0.4 3

0.5 I

Northern hogsucker Hypentelium niaricans 2

1.5 2

0.3 Smallmouth buffalo Ictiobus bubalus 2

1.5 3

0.7 5

0.9 Black buffalo Lnicer 10 2.2 10 1.7 Siker redhorse Moxostoma anisurum 21 15.6 53 11.9 74 12.8 Golden redhorse E erythrurum 10 2.2 10 1.7 Channel catfish letalurus punctatus 3

2.2 7

1.6 10 1.7 Flathead catfish Pviodictis olkaris 1

0.7 1

0.2 White bass Morone chrysops 6

4.4 19 4.3 25 4.3 Striped bass MI saxatire 1

0.2 1

0.2 Bluegill Lecomis macrochirus 2

0.4 2

0.3 Smallmouth bass Micropterus dolomleu 5

3.7 14 3.1 19 3.3 I

White crappie Pomoxis annularis 1

0.7 2

0.4 3

0.5 Yellow perch Perca flavescens 1

0.2 1

0.2 Logperch Percina caprodes 1

0.7 1

0.2 Sauger Stizostedion canad anse 12 8.9 12 2.7 24 4.2 Walleye E v. vitreum 1

0.7 4

0.9 5

0.9 Freshwater drum Aplodinotus arunniens 8

5.9 56 12.6 64 11.0 Electrofishing Gear Total:

135 100.0 445 100.0 580 100.0 W

W

ll TABLE 2.10 COMPARISON OF CONTROL VS. NON-CONTROL SEINE CATCHES 3

DURING THE BVPS 1997 FISHERIES SURVEY E

I Non-Total Common Name Scientific Name Control Control Fish Gizzard shad Dorosome cepedianum 13 17.6 16 15.2 29 16.2 Golden shiner Notemiaonus ervsoleucas 1

1.4 1

1.0 2

1.1 Emerald shiner Notroois otherinoides 36 48.6 74 70.5 110 61.5 Sand shiner N straminous 3

4.1 3

1.7 Black buffalo letiobus nicer 10 13.5 4

3.8 14 7.8 White bass Morone chrysoos 1

1.0 1

0.6 Striped bass

_M. saxatilis 1

1.4 1

0.6 Bluegill Lepomis macrochirus 5

4.8 5

2.8 SmaRmouth bass Microoterus dolomieu 1

1.4 2

1.9 3

1.7 Largemouth bass M. s_almoldes 2

2.7 2

1.1 Freshwater drum Aplodinotus arunniens 7

9.5 2

1.9 9

5.0 Seine Gear Total:

74 100.0 105 100.0 179 100.0 550 759 Seine and Electrofishing Year Total 209 I

l jiI lll1 jl l

8 7

3 1

6 3

6 3

3 0

~.

1 3

0 i.

3 2

1 5

4 0

2 1

1 9

3 3

1 0

g 3

1 2

0 n

i 1

hs ffo 3

2 1

4 7

8 2

1 1

7 3

8 1

8 r

l 2

1 7

t a

c t

e o

T lE 0

0 0

0 0

0 1

1 e

ine G

S 1

1 N

la I

t L

o P

T MAS 1

1 3

1 2

1 5

4 SP 1

3 7 V

-E 9B 9 F 1

O 1

4 3

1 1

0 Y

B 1

2 AY 2-T MI E

s N

EI no 1

0 2

1 3

1 2

1 1

HC it A

1 2

TI a

V c

2 1

o E

1 G E L

2 N H e

I l

E RT p

1 2

1 2

2 1

1 1

1 1

3 1

1 2

L UN m

a E

B DI S

A R

T D E E V 0

TI 2-CR S

E O

LI 1

1 LH 1

OO S

C E SH s

ET i

e a

n CF m

c o

in e

I s

e u

s e

u e

r m

u n

S EO m

n l

e u

e e

a o

s im s

d

)

P a

i s

m r

a S

u u

S N

d y

m s

tn t

a o

l la n

s t

is s

ir

(

o e

s r

a r

p c

p u

c o

u o

a g

d i

c lo u

s b

u c

f e

s s

c la a

m c

v s

d n

i n

n i

s n

n m

i E

a u

u l

v t

o i

h n

F e

e o

m b

m u

p h

u a

io u

s a

r n

u u

r I

s c

r i

t t

is d

e m

f t

r i

s it e

o n

ic o

h r

r o

c e

t o

s s

o m

s y

r i

e t

u s

t u

c n

p x

t r

S b

o r

l d

o o

o s

i t

v c

u o

d e

o o

t o

iz y,

l m

e o

r o

x e

r r

t t

o a

ly o

ic o

io o

a it D

H N

C I

M E l

P M

M P

S S,

e t

c e

y r

b de ru e

t o

p r

m l

a a

s a

f e

c u

e s

h h

s N

f s

a h

r s

i b

e s

r n

d e

r b

s o

i f

ip F

r f

t i

o a

n e

h o

h t

h m

h i

k t

h d

a a

s t

p h

c u

d e

c c

s u

a E

)

s e

s u

o e

e a

b m

c r

d a

o r

m r

l r_

d y

e

(

o r

e n

s r

n C

a n

e e

lm n

e e

y L

r e

n e

l g

le A

v l

h t

l e

r d

it l

e d

a n

o l

h m

l o

h l

m i

u l

T a

o o

i a

t i

a t

a h

h a

t i

M G

W S

S G

C F

W S

W S

W T

G a

O e

G r

4 l

l I

M 7

8 1

4 3

4 5

1 1

7 1

7 8

1 1

0 0

4 2

8 4

1 3

2 2

0 2

0 2

2 2

0 g

3 2

1 0

n 1

ihs ffo 1

9 3

0 6

2 5

7 3

1 3

1 4

3 3

1 r

4 4

1 4

l tc a

1 t

e o

lE T

1 1

3 5

8 8

3 3

0 1

6 5

3 1

1 5

5 0

2 5

0 1

G i

M en e

N S

2 2

3 2

1 1

3 3

7 l

1 3

5 I

a L

t P

o T

MAS 5

1 3

1 3

2 5

SP 2

3 3

7V 9B E

9 1F 7

0 3

3 2

1 1

1 3

1 Y O 1

3 B

i LY 2-UT E

I J N s

EI n

3 2

6 3

1 3

1 2

1 C

o HI i

A*

2 4

t 2

TV a

2-c E

1 GE o

L 2

NH e

1 4

4 2

8 3

1 1

4 T

I E

R p

1 3

l 1

L UN m

-E B

D I

a A

R S

T DE 2

1 2

2 7

EV 2-TI S

C R EO 2

2 3

1 1

1 0

LI 1

3 5

LH 1 -

OO S

CE SH e

ET a

e in C F m

n s

s e

I a

s e

u s

n m

s u

n n

S EO m

s n

e a

u i

im i

u e

e e

re r

d i

S

)

u a

r d

c r

h s

a n

P a

e id o

i i

u s

(

o t

t c

o e

n n

S N

s e

s i

s n

n o

r c

p r

ia is p

s o

lo d

a u

g n

r i

o s

r a

s c

d o

c a

in H

if e

i h

in im l

n m

e s

r s

p n

m u

m e

y a

s c

s u

e s

h S

F e

e o

a n

i ic a

t r

s c

l m

u a

io u

u s

n u

p t

a u

h i

s e

r o

i i

r c

d e

t I

f m

b s

e s

o o

o t

t c

o y

ip d

a n

u s

n x

i t

a e

i id c

i e

a t

n r

s s

t t

o m

p n

s v

t t

S s

h s

o u

e b

o o

a o

o i

o r

a lp l

o r

c o

e t

t ip r

c r

o x

r s

p iM P

S S

A y

h s

p it c

r z

t y

o o

e o

a o

e e

e it L

D M

N E &

H I

M M

E c

L l

b de ru e

r t

m e

pa k

s a

c s

m c

N r

u e

a u

h r

e r

s s

b r

s n

e g

o r

n a

d i

n r

s d

h b

h i

e o

l o

h Fi o

g a s

s r

a h

t m

e u

s h

n h

f s

a u

e

)

s s

i f

d a

b o

h E

t m

s h

dl l

h m

u e

l c

e a

(

b r

b d

ig l

e e

y w

L o

d c

i s

e l

m r

r o

n r

a a

z e

e t

c e

i u

g u

l h

A r

e e

e r

r t

d h

k a

r t

C g

o i

l m

p a

o la l

h ip e

l p

g l

e O

e t

a s

T a

n z

v o

n r

i t

l m

o a

r v

a r

L G

iS E

S S

N B

S W

S B

S L

S W

F T

G E

ll II ll

i!,!

)I1 llll)

)1))

lll l

8 1

1 0

1 1

2 0

3 1

2 2

0 1

1 6

0 6

3 3

1 2

4 5

1 1

2 5

7 1

4 2

0 0

2 1

2 0

g 1

n i

h s

i fo 6

3 3

1 2

4 5

1 1

2 5

7 1

4 2

0 7

r 2

1 2

9 t

l c

a e

t o

lE T

4 3

0 8

0 9

0 2

1 0

5 6

7 0

2 5

1 2

0 c

1 e

G n

i N

e S

7 1

8 2

2 6

6 I

L l

1 3

1 7

a P

t c

o M

T AS 2

1 3

5 3

3 1

7 5

7 1

9S 3

1 4

9P E

1V RB 8

2 1

1 1

2 1

3 4

1 1

5 EF BO B

2

-e 2-i M Y E

E T TI s

PN n

o 4

4 1

1 1

1 2

I E C c

i t

1 SI a

A V

c 2-3 E

o E

1 H E L

2 T H e

l T

p r

E G

2 3

1 1

1 3

2 1

1 5

B NIN m

L 1

1 a

S E

I A

RR T

UE 6

1 4

2 3

c DV 2

1 3

5 I

D R S

EO TI 1

4 0

2 6

3 CH c

1 2

EO 1-S L E L

H O T C

r F

s SO a

E e

m c

e u

e s

m u

m s

n u

C m

I i

n e

n e

u e

S e

s u

s im it l

a i

is o

a d

e E

N d

lo u

v i

u r

r i

r s

s n

)

c o

n u

u s

P i

t o

n S

n r

s s

a p

lo c

e s

v u

(

t r

o h

a c

i S

v lu n

o t

o i

i i

e c

u r

r y.

a g

r f

t s

u s

e s

r a

a m

c s

d s

H n

c e

io a

u h

i s

u r

n y

s u

c b

s u

u r

s e

n s

in r

n t

c m

h t

u n

s o

e b

m u

D h

s u

io io u

h d

S e

a r,

c s

o a

n c

h r

t i

s d

s o

h u

e a

t n

is s

i e

d o

r I

r t

F S

o c

n i

i i

o u

n o

r u

o a

o lm e

i r

f s

t o

u g

g v

r n

x o

t o

a o

s m

p d

i b

g x

e l

r s

r s

z lp l

t s

s d

a o

o c

o s

d a

e r

t r

t t

h r

o r

iD g

a o

ic e

o o

o a

o o

a l

t C

c L

M E I

M E M E S

A e

t i

D lA H

C N

N L

i I

t c

I c

y b

de r

e u

t ma lo p

a s

s a

f e

s s

m c

N g

f r

s h

a a

u h

n u

e n

r e

r r

s b

s o

b b

r s

o d

i e

ih r

n e

o r

r h

i s

h h

F d

f i

t m

h h

h s

h u

f h

d a

s s

t t

r a

e n

n h

l o

i i

t a

e c

s a

u u

e

)

m s

e s

s k

o u

e e

b f

d E

t a

b o

o a

(

r l

k y

h d

r a

l c

o d

c e

s n

l l

a lm b

r n

m m

r w

L a

n d

l e

e C

a a

n e

r t

l l

k r

e i

a a

g h

A b

n i

p l

g s

T a

e e

r f

j iz ip o

ld l

e z

d t

l a

c e

d t

o v

u e

O e

l k

o o

o m

p i

m a

i o

h h

n m

r u

t a

a r

l G

S M

G G

E S

Q S

l S

G C

W S

S L

S F

T G

B c

4

,l

3 4

2 3

8 3

8 9

2 2

3 4

9 4

4 5

0 0

0 1

0 0

2 0

1 7

1 5

0 1

0 0

5 0

g 3

3 1

0 1

n ihs ffo 0

1 3

0 2

6 2

5 9

3 4

1 5

1 1

1 4

r 8

8 1

1 4

6 l

tc a

2 t

e o

lE T

9 1

0 8

1 0

8 1

0 G

1 e

N n

I i

L e

0 5

5 P

S 4

4 la M

o t

A T

S 7 S 5

5 3

2 3

1 2

2 3

9 1

2 2

7 P

3 91V E

B REF 5

1 1

1 2

5 2

2 1

3 3

BO MY 2

'6 8

2 2

ET E

I V N s

OI n

8 1

7 2

6 1

3 3

4 1

9 5

C o

1 1

6 NI A

it 4

E V a

2 c

1 HE o

E-L 2

TH E

G T e

lp 2

1 1

7 8

1 5

1 7

3 2

1 6

L NN m

1-B I I a

E A

R R S

T UE DV 0

5 5

• 2 4

4 I

DR

-S ETO I

C H 0

E O 1-L S

LE OH e

CT in n

S F m

o m

s ie s

m s

u u

s r

u n

S EO e

u e

n e

e u

e e

m a

d r

s s

s r

r i

)

r i

im C

a i

i i

u m

u u

h s

i n

S I

t s

r o

l n

v n

(

d n

m s

N e

lo o

i o

in t

o r

t c

o h

s n

a p

u E

o e

g c

p c

u i

p c

r a

s c

d c

v.

r r

c a

n P

f c

is e

s y

e n

y a

s e

o u

i e

o s

n s

i i

i s

a h

in s

u c

s h

S c

a u

r t

u in m

p h

m u

v i

t t

s n

a y

r a

r e

o e

m c

r o

s a

d o

H e

m h

t s

f t

u e

is e

l e

o i

s d

o s

s u

o o

o a

s in r

S c

o c

n ip d

ip o

t f

o t

u s

r n

m p

t t

s a

o o

u b

o t

r p

i e

it p

l d

c S

I o

x r

c o

o e

F o

s d

r h

r t

a c

r z

l r

t o

l o

o a

a i

o o

o t

t e

e D

A iH N

C C

Ic M

I M

L M

P S

A y

c b

d e

ru e

tp m

a s

a s

m c

N g

r e

h a

u h

n e

r s

s i

b r

s n

d i

n e

r o

r f

h d

i rr i

k a

h c

s u

e t

o a

e h

in e

l o

t F

h c

r a

s t

r m

h h

s h

c f

e

)

m k

e s

k f

d l

b ig l

o l

e O

e s

a E

u u

e e

l o

p e

a

(

y d

l c

d c

s b

r l

m r

e l

w y

w L

o r

e l

l a

n a

a C

a a

o v

a e

a l

le h

A b

e k

n r

t l

t e

n i

u m

l a

r j

t z

ip o

e t

l ih a

l h

z s

T a

k o

m p

i c

u i

h e

r iG S

M E

S Q

W lB S

C W

lB S

Y W

F T

G i

f ll l

i l

l l

lI!

1 TABLE 2.15 ESTIMATED NUMBER OF FISH OBSERVED' DURING ELECTROFISHING OPERATIONS Common Name Scientific Name May July September November Total Gizzard shad D.91919mg ceoedianum 0

6 1,371 95 1,472 Common carp Cvorinus carpio 33 3

1 14 51

(

Emerald shiner Notroois atherinoides 0

16 0

17 33 Suckers Catostomidae 4

0 0

0 4

Redhorse sp.

Moxostoma na 1

0 0

0 1

Flathead catfish Pviodictis olivaris 0

0 1

0 1

Freshwater drum Aolodinotus arunniens 0

0 170 3"

'173 Smallmouth bass Microoterus dolomleu 2

0 0

0 2

Stizostedion ga Stizostedion 3E 2

0 0

0 2

Walleye E,y, vitreum 1

0 0

0 1

TOTAL 43 25 1,543 129 1,740 Not boated and handled.

I I

l I

TABLE 2.16 CATCH PER UNIT OF EFFORT (CPUE AS FISHIELECTROFISHING MINUTE)

BY SEASON DURING THE BVPS 1996 FISHERIES SURVEY Count of CPUE g

Season Effort (min)

Common Name Species (fish / min) g Spring 44.30 Spottall shiner 4

0.0903 Quillback 5

0.1129 Northern hogsucker 1

0.0226 Silver redhorse 1

0.0226 Channel catfish 1

0.0226 Striped bass 1

0.0226 White crappie 1

0.0226 Walleye 1

OIO226 Freshwater drum 2

0.0451 Season Total 17 0.3837 Summer 41.10 Longnose gar 1

0.0243 Gizzard shad 3

0.0730 Common carp 4

0.0973 Quillback 1

0.0243 Black buffalo 4

0.0973 Silver redhorse 15 0.3650 Golden redhorse 7

0.1703 Channel catfish 2

0.0487 Smallmouth bass 4

0.0973 Log perch 1

0.0243 Sauger 2

0.0487 Freshwater drum 1

0.0243 Season Total 45 1.0949 I

I I

I

\\

\\

TABLE 2.16 (Cont'd)

CATCH PER UNIT OF EFFORT (CPUE AS FISH /ELECTROFISHING MINUTE)

BY SEASON DURING THE BVPS 1996 FISHERIES SURVEY Count of CPUE Season Effort (min)

Common Name Species (fishlmin)

Fall 40.50 Gizzard shad 7

0.1728 Emerald shiner 21 0.5185 Silver redhorse 6

0.1481 Golden redhorse 1

0.0247 Channel catfish 1

0.0247 Striped bass 2

0.0494 Smallmouth bass 4

0.0988 Sauger 3

0.0741 Season Total 45 1.1111 Winter 45.10 Gizzard shad 8

0.1774 Alewife 1

0.0222 Spottail shiner is 0.3548 Spotfin shiner 12 0.2661 Creek chub 1

0.0222 Quillback 1

0.0222 Smallmouth buffalo 1

0.0222 Striped bass 1

0.0222 Smallmouth bass 3

0.0665 Black crappie 1

0.0222 Sauger 10 0.2217 Walleye 1

0.0222 Season Total 56 1.2417 Year 171.00 163 0.9532 i

l l

i

TABLE 2.17 CATCH PER UNIT OF EFFORT (CPUE AS FISHIELECTROFISHING MINUTE)

BY SEASON DURING THE BVPS 1997 FISHERIES SURVEY Page 1 of 3 Count of CPUE Season Effort (min)

Common Name Species (fish / min)

Spring 39.00 Gizzard shad 3

0.0769 Mooneye 2

0.0513 White sucker 1

0.0256 Smallmouth buffalo 4

0.1026 Silver redhorse 27 0.6923 Golden redhorse 8

0.2051 Channel catfish 2

0.05.13 Flathead catfish 1

0.0256 White bass 1

0.0256 Smallmouth bass 7

0.1795 White crappie 3

0.0769 Sauger 18 0.4615 l

Walleye 1

0.0256 Season Total 78 2.0000 Summer 45.40 Longnose gar 1

0.0220 Gizzard shad 49 1.0793 Silver chub 3

0.0661 Emerald shiner 40 0.8810 Spottail shiner 6

0.1322 Northern hogsucker 2

0.0441 Black buffalo 5

0.1101 Silver redhorse 17 0.3744 White bass 3

0.0661' Bluegill 1

0.0220 Smallmouth bass 3

0.0661 Logperch 1

0.0220 Sauger 4

0.0881 Walleye 3

0.0661 I

l TABLE 2.17 (C::nt'd)

CATCH PER UNIT OF EFFORT (CPUE AS FISH /ELECTROFlSHING MINUTE)

BY SEASON DURING THE BVPS 1997 FISHERIES SURVEY Page 2 of 3 Count of CPUE Season Effort (min)

Common Name Species (fish / min)

Summer (cont'd)

Freshwater drum 3

0.0661 l

Season Total 141 3.1057 Fall 40.10 Gizzard shad 34 0.8479 Skipjack herring 3

0.0748 Mooneye 3

0.0748 Goldfish 1

0.0249 Emerald shiner 2

0 0499 Spottall shiner 4

0.0998 Quillback 5

0.1247 Smallmouth buffalo 1

0.0249 Silver redhorse 11 0.2743 Golden redhorse 2

0.0499 Channel catfish 5

0.1247 White bass 7

0.1746 Striped bass 1

0.0249 Smallmouth bass 4

0.0998 Sauger 2

0.0499 Freshwater drum 20 0.4988 Season Total 105 2.6184 Winter 42.40 Gizzard shad 80 1.8868 Skipjack herring 1

0.0236 Mooneye 36 0.0708 Emerald shiner 80 1.8868 Spottall t;hiner 2

0.0472

~

Quill' sek 6

0.1415 a

(

White sucker 3

0.0708 Black buffalo 5

0.1179 Silver redhorse 19 0.4481

TABLE 2.17 (Cant'd)

CATCH PER UNIT OF EFFORT (CPUE AS FISH /ELECTROFISHING MINUTE)

BY SEASON DURING THE BVPS 1997 FISHERIES SURVEY Page 3 of 3 Count of CPUE Season Effort (min)

Common Name Species (fishimin)

Winter (cont'd)

Channel catfish 3

0.0708 White bass 13 0.3066 Bluegill 1

0.0236 Smallmouth bass 5

0.1179 Yellow perch 1

0,0236 Walleye 1

0.0236 Freshwater drum 41 0 9670

. _ Season Total 264 6.2264 Year 166.90 588 3.5231 l

I I

TABLE 2e18 UNIT 1 COOLING RESERVOIR MONTHLY SAMPLING CORBICULA DENSITY DATA FOR 1997 FROM BVPS Area Mean Maximum Minimum Estimated Sampled Live or Length Length Length Number Collection Date (sq ft)

Dead Count (mm)

(mm)

(mm)

(per sq m) 01/06/97 0.25 Live 0

0 Dead 4

2.3 6

1 174 02/26/97 0.25 Live 0

0 Dead 1

1.0 1

1 43 03/24/97' Live Dead 04/16/97 0.25 Live 3

3.2 4

2.5

,130,

Dead 2

3.0 4

2 87 05/13/97 0.25 Live 2

3.6 4.25 3

87 Dead 0

0 06/30/97 0.25 Live 4

2.8 4

1 174 Dead 0

0 07/17/97 0.25 Live 0

0 Dead 0

0 08/28/97 0.50 Live 0

0 Dead 0

0 09/09/97 0.25 Live 12 13.0 15 10 522 Dead 14 6.9 15 1

609 l

10/07/97' Live I

Dead

}

11/05/97' Live r

Dead j

12/972 Live I

Dead Unit Summary Live 21 8.8 15 1

114' Dead 21 5.4 15 1

114' l

No collection due to unit outage.

I 2

No sampling scheduled for December 1997.

8 Average of monthly estimates.

TA3LE 2.19 8

UNIT 2 COOLING RESERVOIR MONTHLY SAMPLING CORBICULA DENSITY DATA FOR 1997 FROM BVPS Area Mean Maximum Minimum Estimated Sampled Live or Length Length Length Number Collection Date (sq ft)

Dead Count (mm)

(mm)

(mm)

(per sq m) 01/06/97 0.25 Live 0

Dead 0

02/26/97 0.75 Live 0

Dead 0

03/24/97' Live Dead 04/16/97 0.25 Live 0

Dead 0

05/13/97 0.25 Live 0

Dead 0

06/30/97 0.25 iNe 1

4.0 4

4 43 Dend 0

07/16/97 0.25 Lh'e 0

Dead 0

08/28/97 0.25 Live 1

9.0 9

9 43 Dead 0

09/09/97 0.25 Live 2

1.4 1.6 1.1 87 Dead 0

0 10/07/97 0.25 Live 0

0 Dead 0

0 11/05/97 0.25 Live 2

6.5 11 2

87 Dead 0

0 12/972 Live Dead 8

Unit Summary Live 6

4.8 11 1.1 26 8

Dead 0

0 i

No collection due to unit outage.

2 No sampling scheduled for December 1997.

Average of monthly estimates.

~

\\

~

TABLE 2.20

~

UNIT 1 COOLING RESERVOIR CORBICULA DENSITY DATA FOR THE OCTOBER 10,1997 SAMPLE FROM BVPS Area Mean Maximum Minimum Estimated 1

Sampled Live or Length Length Length Number

]

Station ID (sq ft)

Dead Count (mm)

(mm)

(mm)

(per sq m) 1 l

UNIT NO,1 J

1 0.25 Dead 140 10.5 19 4

6,087 Live 71 14.8 21 3

3,087

)

2 0.25 Dead 52 12.4 19 8

2,261 Live 91 14.5 22 8

E

'- 3,957 z

J 3

0.25 Dead 230 8.9 17 2

10,000 Live 79 11.3 19 2

3,435 4

0.25 Dead 117 13.0 24 6

5,087 Live 135 15.6 25 8

5,870 5

0.25 Dead 132 12.9 21 3

5,739 i

Live 324 16.0 27 5

14,087 6

0.25 Dead 48 8.2 15 2

2,087 Live 8

19.6 21 18 348 7

0.25 Dead 29 6.0 12 1

1,261 Live 33 2.4 18 1

1,435 8

0.25 Dead 18 5.3 10 1

783 Live 5

8.0 18 1

217 I

9 0.25 Dead 31 4.6 9

1 1,348 Live 4

6.3 18 1

174 10 0.25 Dead 17 5.3 16 1

739 Live 2

ie.5 20 17 87 H

11 0.25 Dead 95 13.3 17 2

4,130 H

Live 60 17.3 22 12 2,609 12 0.25 Dead 111 10.4 15 5

4,826 Live 48 13.2 19 9

2,087 tl 1

I

I TABLE 2.20 (Cont'd)

UNIT 1 COOLING RESERVOIR CORBlCULA DENSITY DATA FOR THE OCTOBER 10,1997 SAMPLE FROM BVPS Area Mean Maximum Minimum Estimated l'

Sampled Live or Length Length Length Number Station ID (sq ft)

Dead Count (mm)

(mm)

(mm)

(per sq m)

E 13 0.25 Dead 43 10.7 13 6

1,870 Live 52 14.8 21 9

2.261 14 0.25 Dead 21 9.8 14 3

913 Live 43 15.0 19 13 1,870 15 0.25 Dead 68 6.4 12 3

2,957 Live 9

14.8 16 12 391 16 0.25 Dead 50 6.5 16 2

2,174 Live 28 16.4 24 13 1,217 17 0.25 Dead 56 3.9 17 1

2,435 Live 46 19.5 28 14 2,000 Unit Lummary:

Dead 1,258 9.8 24 1

3,217' Live 1,038 14.9 28 1

2,655' g

. ve,.9 e e,.t.een est,

.,e..

l l

I l

I I

l I

Il ll

~

la a 00 00 00 00 00 00 00 00 t v oL i

T E

s H

le T

s lay s

M u

nit O

i os 00 00 00 00 00 00 00 00 L

I b n a

R me r

D F

b U

e S

Z E

de L

v y

P r

t e

00 00 00 00 00 00 00 00 is M7 a

Dn A9 O

D t

e 9

S 1

ev P R L

i M O UF y

Di t P

s 00 00 00 00 00 00 00 00 E

e n r

NR Pe I

U D

)

T MC IR U i

ER d

l B T a

00 00 97 00 00 04 00 00 t a S

oe 67 1

M TD 8, 7, 1

U E 44 3

N K ls 1

A e

(

2 s

S T s

l R N u

ay 2

ni t M

os 00 00 99 00 00 00 00 00 I

E E R a

bn 20 L

G me 8, 3, r

B E

b D

84 I

A LT e

U 1

T EA Z

VW de L

v y

D r

t E

e 00 00 08 00 00 04 00 00 i

S N s

s b

Dn 46 1

SA O

e 0, 4 1

D 6

UP d

1 MI a

L e

AS D

RE y

t Di 00 00 00 00 00 00 00 00 BG

- s ER en r e Z A P D FB O S YP n

33 00 50 70 5

00 05 09 o

TV i

94 57 35 98 7

26 57

5. 2 t

S B c

80 77 86 77 88 87 99 84 I

e 1

1 N

rr E

oC D

D E

n T

o e

r A

i t

u t

M a

c t

u S

S S

S S

S SS S

S ipr I

S T

BI BlS S

S S

S BI BI BIS BB BI BI lss t

S ee E

gk n

r a o

at n t e 7

7 7

7 7

7 7

7 BI i

ct 9

9 9

9 9

9 9

9 e a

/

/

/

/

/

/

/

/

6 4

0 6

8 9

7 5

ll D 1

1 3

1 2

0 0

0 S

o

/

/

/

/

/

/

/

/

S BI C

4 5

6 7

8 9

0 1

0 0

0 0

0 0

1 1

l

ll l1 l1) m l

m 5

5 9

e 3

1 2

9 m

1 garevA m

E G

DED 5

R D m

D N m

m 3

)

1 0

0 2

2 u

RA m

m

(

A A e

x i

N z

a m

O S i

M S

P NO DI N T m

A C 5

O m

3 1

3 1

E L u

G E m

A L n

C P i

m i

M MM AA 7 LS9 m

9 C E 2

1 NR 2

U R d

0 0

0 0

0 0

0 1

0 1

6 8

I e

2 STO E

LCF in m

b L

E US m

B SRP oC A

S TV T

USB M ET AKA RA de BT v

0 0

0 0

0 0

0 0

0 0

2 2

m E N re d

Z I

s a

E b

e D H O

D E T o

m V

N RM EO SR BF m

OS 0

0 0

0 0

0 0

1 0

1 4

6 F E e

L v

O i

P L

m RM E A B 9 M

l m

UN e

ta 7

7 7

7 7

7 7

7 7

7 D

9 9

9 9

9 9

9 9

9 77 9

LA

/

/

/

/

/

/

/

/

/

99

/

e 6

6 4

6 4

0 6

8 0

//

5 T

m 60 0

0 2

2 1

1 3

1 2

1 lp

/

/

/

/

/

/

/

/

/

01

/

O 1

2 3

4 5

6 7

8 9

/ /

1 T

m 0

0 0

0 0

0 0

0 0

00 1

a 1 1 S

m 1ll

l jl il I

{li ro f

m 7l g*9

,s

[I t

g n

g, e

R g, 4 v

6 e

g6 4 4 w

7 e

6 8

/

f # %.%a,%

l 7

p a

u m

o c

n f

s f

a

/ q a.

r 1

i

/

o v

/

re

/

se m

r a

5 r

m'

/

1 e

a.

s w

1 o

e t

s s

7 g

a

/0 n

i 1

l oo m

s r

c 0 0 0 0 O 0 6 6 6

.m

=

9

=

/

1 1 3 1

==

"e-

=

9 5 5 5

=

i' 7

t i

n s Up

=-

m 8

u

=

So 2

0 0 0 0 O 0 0 0 0 m

=

=

=

8 Pr

/

e Vg

=

=

t

=

a Be z

S 6

D 7i s

7 ly 9 1

0 0 0 0 O 0 0 0 0 f'

c

/

9l l

h t

1 e n gh y'

o s

-_NM~

n 0

0 3 6 3 O 0 0 2 2 M om 3

4 8 4 7 1

/

1 5 e ma c

6 2

lp al c

y ms s

m" 3

0 0 3 3 O 0 0 6 6 a e u mM"""

1 4 4 8 5 S ao t

u

/

2 c

5 1

7 mi u

~

r s

9 ia m

9 t v 1

s 6

0 0 6 3 O 0 0 9 4 e

1 8 4 2 8

/

1 8 y

c 4

1 t

i s

n

=

• 4 e

=

=

2 d

==

c

/3 m

y=~~

/

/

a l

/

6 c

2 0 0 0 0 O 0 0 0 0 a

/

/

/

2 lu

/

/

c i

/

/

b 8

r

/

/

/

0 0 0 0 O 0 0 0 0 o

-r 1

C

/

ega e

8GauEDa tu v

o i 000 000*500000 9

l 5 05 0 5 05 mmmmmm2 l

t 05 0 a

9 mt n

f

-r 65544 33221 1 mmmmmm/o u

o 0- 9 4 4 9 9 0 # T o

t n

9 3 7 2 4 5 lair u

o 1

e 0

1 3 4 6 9 9 0 - - - - -

o o d

t gl2 6EE s

0 0 5 5 0 > T v a

.U D %

i t

i 0 0 3 7 3 e

d a

a r

r c

1 23 4 6 s

o p

e N

R m

1 o

C 1

l

l f

lll r

9 o

g%, 4 f

f O

9 s

24 f

t 8-n c

ev j

4, m

e as 4, A a % g S

2 n

/

m e

2 h

8

/,A l

E uu y

'* 8 p

R m

m m

U m

G u

a F

a I

m

. f7 s

m

/

r u

g-1 2

i

- l" o

i5 v

1 r

5 0 0 3 0 O 0 3 6 6 e

a m

/

4 4 8 0 s

m 1

1 e

u 1

1 r

r r

e m

~

e m

w m

7/

o 0

0 0 0 0 O 0 0 0 0

&yE g'

t 1

g n

i l

0 60 0 O 0 0 6 6 o

9 8

8 0 o

/

1 9

c 1

2 t

.i i

n s 8

5 u

8 0 0 0 0 O3 0 3 3 Up 2

4 4 5

/

So Pr

,, m="

=

e Vg

=

ta Be 6

D z

k jl 1

0 0 0 0 O O 0 0 0 n

ly 7i

/7 s

h:

9 h

9l l

t e

n 1 e m

m

"---~

m o

u

~

u 0

0 0 0 3 O O 0 3 3 M

gh e

=

m

=

s s

3 4

4 5 n

/

e om 6

5 lp ma re m

al m

"---~

m c

a a

m 3

S s s e u 1

0 0 0 0 O O 0 0 0 7

t

/5 9

ao 9

mi m

r 1

a t v m

i s

a 6

e 1

0 0 0 0 O O 0 0 0

/4 y

r t

m e

i m

s m

a n

u m

e 42 d

--~

/3 ma l

/

j c

62 0 0 0 0 O O 0 0 0 a

/

/ "

/

l 2

u

/

/

r c

u i

/

,m b

~

u r

/

y m 8

o 0 0 0 0 O O 0 0 0

/

C

/

/

1 m

l ev u

8QacEOa s

i 0 0 0 0 0 0 0 0 0 0 0 mmmmmmm2 l

l a

f mmmmmmm/o mt o

0 9 8 7 6 5 4 3 2 1

1 9 9 4 4 9 9 0 # T n

9 9 3 7 2 4 5 lair o

0 1 3 4 69 9 t o

s o

v 1 0 0 5 5 0 > T i,

r gi2 g$g,gU D 0 00 3 7 3 e

r i

a l

0 1 2 3 4 6 se

, p R

g m

oC

j jill l

l

{

l g

%m%

T

{<

O U 4g%

l 4

,s t

6 n

S <7 j

e i

v I

5 m

e

/ 4 3N.%

M 3

e l e

2 1

l E

g p

R m

/

g' m

IG U

m a

/

7, a

F i^

pE s

g a /

e

/

ru t

c 5

u

_y'

/ 0 6 2 0 0 0 0 8 r

1 t

1 s

e e

k m

m 0

a m=F m

m t

1 0 2 0 0 0 0 0 2 n

a

/0 i

e 1

=

g'

=

l 7

m ma r

9 m

l 9

=i

• 0 1

%f 1

0 1 1 0 1 0 0 3 Mu g

/9 n

I g'

p s

~

l l

m l

mp r

)

e m

a u

,7 m

8 o

=

a 2

0 1 1 1 0 0 0 3 s r

/

8 e g c

E a e t

- E!-

g^

e T

mz A

d e

m 6

i e

D t

m m

1 0 0 1 0 1 2 5 9 s

/

e I

7 L

e e I

y m

A m

V yh m

t s

u m

e O

i m

s s m

0 M

n u m

3 0 0 0 0 5 7 O 2

_ &]-_s a

6 R

d E

e o

/

1 i

r gI E

l e

G ma M;;--lI v

l m

A a

m 4

r l

C c o u

1 0

1 2 0 0 0 O 3 m

/

f 5

7 e

9 a

l 9

u e

m 1

c i

e 6

b m

1 0 0 0 0 0 0 O 0 r

r m -

/4 a

o u

m no C

p e

e v

4 t

2 0 0 0 0 0 0 O 0 i

l i

te

/3 p

f a

o h

n l

j 6

itw o

e

/

/

s m

2 0 0 0 0 0 0 O 0 e

i m

/2 n

r u

/

lm o

a d

p

/

/

e g

m

/

/

m lp C

6 in o

e

/

/ m

/

0 0 0 0 0 0 O 0 1

m

/

aS 8i0t l

3 DE 0O 0 g 0

• 5 4 3 2 1

mmmmmmmL 1

A mmmmmmmT 9 9 4 4 9 9 0 O 9 9 3 7 2 4 5 T 0

1 44 4>9 9

5

(

1 1

0 0 5 L>b8o hhgz 0 0 0 3 7 3 L

0 1 2 3 4 6 lll

Ae ta O

D e

l hg ygg y-p N

m A

a S

9 8

7 6

5 4

3 2

1 0

9 8

7 6

5 4

y

'7 7

7 7

7 7

7 7

7 7

6 6

6 6

6 6

l 6

6 6

6 6

6 6

6 6

6 6

6 6

6 6

6 h

t 5

/

n 1

o 1

M 79 9

0 1

1

/

e 0

h 1

t gn ir 0

uD 1

/

9 e

ru

)

t c

t f

u

(

8 r

t n

2 x"

S

/

o 8

it e

a k

v a

e st e n lE t

I 6

aS r

1 D

e

/

v 7

P eV iR pB l

+

mt a a 0 S r

)

3 e

l F

/ y v 6

l i

(

hR e

t r

n o u

oi t

h a

M r

3 O

e 1

7 l

p e

/

5 9

h m

9t e

1 t T

a r

d e

6 e

e t

d 1

a

/

r W

o 4

ru c

gt mna e

uirne R

m e

iwp g 4

n amn 2

o t

/

i ppea 3

t OSTR a

l ve E

6 r

2 e

/

v 2

i R

dna 6

e

/

2 1

ru 0

0 o

0 0

0 0

t 0

9 7

6 5

4 3

ar 1

ep me

_ E !ggE F g%N T

re t

aW

3-1 3

REFERENCES Burch, J. Q.,1944. Checklist of West American Mol! asks. Minutes, Conchology Club of Southern California 38:18.

Commonwealth of Pennsylvania,1994. Pennsylvania's Endangered Fishes, Reptiles and Amphibians. Published by the Pennsylvania Fish Commission.

Counts, C. C. Ill,1985. Distribution of Corbicula fiuminea at Nuclear Facilities. Division of Engineering, U.S. Nuclear Regulatory Commission. NUREGLCR. 4233. 79 pp.

Dahlberg, M. D. and E. P. Odum,1970. Annual cycles of species occurrerme, abundance and diversity in Georgia estuarine fish populations. Am. Midl. Nat. 83:382 392.

DLC,1976. Annual Environmental Report, Non-radiological Volume #1. Duquesne Light Company, Beaver Valley Pcwer Station.132 pp.

DLC, 1977, Annual Environmental Report, Non-radiological Volume #1. Duquesne Light Company, Beaver Valley Power Station.123 pp.

I DLC,1979. Annual Er vironmental Report, Non radiological Volume #1. Duquesne Light Company, Beaver Valley Power Station.149 pp.

DLC, 1980. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1.160 pp.

DLC, 1981. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1.105 pp. + Appendices.

DLC, 1982. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1.126 pp.

DLC, 1983. Annual Environmental Report, Non-radiological. Duquesne Light Company, I

Beaver Valley Power Station, Unit No.1.124 pp. + Appendix.

~

DLC, 1984. Annual Environmental Report, Non-radiologleal. Duquesne Light Company, Beaver Valley Power Station, Unit No.1.139 pp.

DLC, 1985. Annual Environmental Report, Non-radiological. Duquesne Light Company,

{

Beaver Valley Power Station, Unit No.1 & 2.106 pp.

m M

i

____.m

3-2 DLC, 1986. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1 & 2.152 pp.

DLC, 1987. Annual Environmental Report, Non-radiological. Duquesne Light Company, g

Beaver Valley Power Station, Unit No.1 & 2.145 pp.

g, DLC, 1988. Annual Environmental Report, Non-radiological. Duquesne Light Company-I Beaver Valley Power Station, Unit No.1 & 2.161 pp.

m DLC, 1989. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1 & 2,145 pp.

DLC, 1990. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1 & 2.181 pp.

g DLC, 1991. Annual Environmental Report, Non-radiological. Duquesne Light Company, E

Beaver Valley Power Station, Unit No.1 & 2.165 pp.

DLC, 1992. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1 & 2.164 pp.

I DLC, 1993. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1 & 2. 90 pp.

DLC, 1994. Annual Environmental Report, Non-radiological. Duquesne Light Company, Beaver Valley Power Station, Unit No.1 & 2. 78 pp.

Hutchinson. G. E.,1967. A treatise on limnology. Vol. 2, Introduction to lake biology and the limnoplankton. John Wiley and Sons, Inc., New York.1115 pp.

Hynes, H. B. N.,1970. The ecology of running waters. Univ. Toronto Press, Toronto.

NRC, IE Bulletin 81-03: Flow Blockage of Cooling Tower to Safety System Components by Corbicula sp. (Asiatic Clam) and Mytilus sp. (Mussel).

Pielou, E. C.,196a An introduction to mathematical ecology. Wiley Interscience, Wiley

& Sons, New'(ork NY.

Robins, C. d., R. M. Bailey, C. E. Bond, J. R. Brooker, E. A. Lachner, R. N. Lea, and W. B.

Scott,1991. Common and Scientific Names of Fishes from the United States and Canada (fifth edition). American Fisheries Society Special Publication No. 20:1-183.

3-3 Shiffer, C.,1990. Identification Guide to Pennsylvania Fishes. Pennsylvania Fish Commission, Bureau of Education and information. 51 pp.

Winner, J. M.,1975. Zooplankton. 1D:

B. A. Whitton, ed. River ecology. Univ. Calif.

Press, Berkely and Los Angeles. 155-169 pp.

.