Figure 6-1. Hydrogeologic cross section through the Willis ... · Figure 6-1. Hydrogeologic cross...

Figure 6-1. Hydrogeologic cross section through the Willis Avenue plant area, September 22 and 23, 1992

Source: O�Brien and Gere (1999). Exponent, 2001c

420

400

380

360

340

320

280

300

420

400

380

360

340

320

280

300

EL

EV

AT

ION

IN F

EE

T A

BO

VE

(m

sl)

EL

EV

AT

ION

IN F

EE

T A

BO

VE

(m

sl)

S

Onondaga Lake

N

Ground Surface

Fill

Till

Siltand

Sand

Marl

Peat

Clay/Marl

400

396

394

392

388

384

380

378

376

372

368

364

Bedrock

A7M

W

PS

3/3D

Trib

utar

y 5A

App

roxi

mat

eLo

catio

n

44 WA

7S/I/

D

WA

2S/I/

D

LEGEND

Groundwater flow line

Equipotential line

Screened interval

4000100Feet

Bedrock

WA-3I

WA-3D

WA-3S

WA-7S WA-7I

WA-7D

WA-4D

WA-4S

WA-4I

I-690DRAINAGE PIPE

GROUND SURFACE

WA-1s

WA-7s

∆ (470 ft)

CROSS SECTION SCHEMATIC ALONG LINE A - A'

23 *∆ (313 ft)

Figure 6-3. Comparison of chloride profiles with model predictions forseveral velocity scenarios

0

100

200

300

400

500

0 10,000 20,000 30,000 40,000 50,000

CHLORIDE (mg/L)

DE

PT

H (

cm)

-0.020 cm/day

-0.0023 cm/day

-3.0 & -3.6 cm/day

-0.000001 cm/day

PTI (1994)

Effler (1990)

LEGEND

Source: Exponent, 2001c

Figure 6-4. Comparison of chloride profiles with model predictions forupward (-) and downward (+) velocities

0

100

200

300

400

500

0 10,000 20,000 30,000 40,000 50,000

CHLORIDE (mg/L)

DE

PT

H (

cm)

PTI (1994)

Effler (1990)

LEGEND

-0.0001 cm/day

-0.001 cm/day

+0.0001 cm/day

+0.001 cm/day


Figure 6-5. Estimated chloride concentrations in porewater in Onondaga Lake

CHLORIDE (mg/L)M

IDD

LE O

F H

OR

IZO

N D

EP

TH

(cm

)

0

30

60

90

120

150

180

0 5,000 10,000 15,000 20,000 30,00025,000

S52 (18.9 m)

S56 (16.6 m)

S57 (18.3 m)

S65 (17.1 m)

S102 (17.4 m)

S98 (16.8 m)

All other profundal cores

LEGEND


��

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0

5

10

15

20

25

30Profundal Porewater

S303 S354 S355

Dis

solv

ed M

ercu

ry (n

g/L)

Depth (cm)

0-4 4-8Overlying Water

1

10

100

1000

104

105

Littoral Porewater

S305 S344S402 S405

Dis

solv

ed M

ercu

ry (n

g/L)

(Log

Sca

le)

Depth (cm)

0-4 4-8Overlying Water

TAMSFigure 6-7

Mercury Detected in Sediment Porewater from the Littoral and Profundal Zones in Onondaga Lake (2000)

0 5 10 15 20

0 2 4 6 8 10

0

5

10

15

20

Event 2, 10/15/99

Sulfides (mg/L)

Dissolved Oxygen (mg/L)

Dep

th (m

)

0 5 10 15 20

0 2 4 6 8 10

0

5

10

15

20

Event 1, 9/27/99

Sulfides (mg/L)


Dep

th (m

)

Figure 6-8Sulfides and Dissolved Oxygen Profiles

TAMS

0 5 10 15 20

0 2 4 6 8 10

0

5

10

15

20

Event 3, 10/25/99

SulfidesSouth (mg/L)

SulfidesNorth (mg/L)

Dissolved OxygenSouth (mg/L)

Dissolved OxygenNorth (mg/L)

Sulfides (mg/L)


Dep

th (m

)

Note: During Events 4 and 5, sulfides were not detected.

TAMS

Figure 6-9Cumulative Mercury Load in Sediment Traps for 1992

0

0.00001

0.00002

0.00003

0.00004

0.00005

0.00006

0 50 100 150 200 250 300 350 400

North Basin

EpilimnionHypolimnion

10/21/1992

11/24/1992

7/27/1992

8/27/1992

9/23/1992

Cum

ulat

ive

Tota

l Mer

cury

Mas

s (g)

Day in 1992

0

0.00001

0.00002

0.00003

0.00004

0.00005

0.00006

0.00007

0 50 100 150 200 250 300 350 400

South Basin

EpilimnionHypolimnion

6/25/1992

7/28/1992

8/26/1992

9/23/1992

10/21/1992

11/24/1992

Cum

ulat

ive

Tota

l Mer

cury

Mas

s (g)

Day in 1992

Figure 6-10Mercury Inventory in Surface Water of Onondaga Lake in 1992 and 1999

TAMS

0

200

400

600

800

1000

1200

1400

1600

Apr

il

May

June

July

Aug

ust

Sept

embe

r

Oct

ober

Nov

embe

r

Dissolved Mercury (1992)

0-9 mbelow 9 m

196

104153 161

358 343378

138

334

169153

113

338

246 189

227

Inve

ntor

y (g

)

Month (1992)

0

200

400

600

800

1000

1200

1400

1600

Apr

il

May

June

July

Aug

ust

Sept

embe

r

Oct

ober

Nov

embe

r

Total Mercury (1992)

766

252 276

523

798

927

665

307

686

307 316

434

553

562

424

587

Inve

ntor

y (g

)

Month (1992)

0

200

400

600

800

1000

1200

1400

1600

9/27

/99

10/1

5/99

10/2

5/99

11/9

/99

12/2

/99

Dissolved Mercury (1999)

824

397

106 95.2 74

151

175

172 157121

Inve

ntor

y (g

)

Date

0

200

400

600

800

1000

1200

1400

1600

9/27

/99

10/1

5/99

10/2

5/99

11/9

/99

12/2

/99

Total Mercury (1999)

967

634

357

601

371

501

596

491

944

614

Inve

ntor

y (g

)

Date

April - November September - December

April - November September - December

Figure 6-11Methylmercury Inventory in Surface Water

of Onondaga Lake in 1992 and 1999

TAMS

0

100

200

300

400

500

600

Apr

il

May June

July

Aug

ust

Sept

embe

r

Oct

ober

Nov

embe

r

Dissolved Methylmercury (1992)

0-9 mbelow 9 m

6.66 10

90.7 99.6

149

187

286

33.38.75 8.03

17.4 8.81

8.85

14.4

31.1

65.8

Inve

ntor

y (g

)

Month (1992)

0

100

200

300

400

500

600

Apr

il

May

June

July

Aug

ust

Sept

embe

r

Oct

ober

Nov

embe

r

Total Methylmercury (1992)

19.3 31.4

148

239

345

302

397

71.728.1 23

39.6

29.1

23.739.8

104

122

Inve

ntor

y (g

)

Month (1992)

0

100

200

300

400

500

600

9/27

/99

10/1

5/99

10/2

5/99

11/9

/99

12/2

/99

Dissolved Methylmercury (1999)

413

187

55.5 37.8 25.9

93.2

101

87.8

56.241

Inve

ntor

y (g

)

Month (1992)

0

100

200

300

400

500

600

9/27

/99

10/1

5/99

10/2

5/99

11/9

/99

12/2

/99

Total Methylmercury (1999)

366

307

125

9065

144233

208

139

92

Inve

ntor

y (g

)

Date

April - November

April - November

September - December

September - December

N

EW

S

Sawmill Creek

Bloody

Broo

k

Ley C

reek

Onondaga Creek

Harbor Brook

Tributary 5A

Ninemile Creek

West Flume

Ninemile Creek

East Flume

Geddes B

rook

Lake Outlet

#

#

#

#

W2

W1

W15

W16

Figure 6-121992 Sediment Trap

Station Locations

12

37

1517

1919

17

15

Sample location (approximate)%

Location of in lake waste deposit (approximate)Selected NYSDEC wetlands

Bathymetry in meters

LEGEND

500 0 500 1000 Meters

2000 0 2000 4000 FeetOnondaga Lake RI

0

0.05

0.1

0.15

0.2

June July August September October November

North Basin

Average Littoral (W15 and W16)Epilimnion (W2)Hypolimnion (W2)

Met

hylm

ercu

ry /

Tota

l Mer

cury

Month

0

0.05

0.1

0.15

0.2

June July August September October November

South Basin

Average Littoral (W15 and W16)

Epilimnion (W1)

Hypolimnion (W1)

Met

hylm

ercu

ry /

Tota

l Mer

cury

Month

TAMSFigure 6-13

Ratio of Methylmercury to Total Mercury from Sediment Trap Data from Onondaga Lake (1992)

Note: 1. No data were available for the north basin from the hypolimnion in June and November and the epilimnion in June.

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0

200

400

600

800

1000

1200

1400

1600

September October November

Mercury Inventory above 9 m Mercury Inventory below 9 m

Mer

cury

Inve

ntor

y (g

)

Date (1992)

927

665

307

562

424

Figure 6-15Mercury Inventory in Onondaga Lake (1992)

587

TAMS

0

200

400

600

800

1000

1200

1400

1600

Sep/27 Oct/15 Oct/25 Nov/9 Dec/2

Mercury Inventory above 9 m Mercury Inventory below 9 m

967

634

357

601

371

501

596

491

944

Figure 6-16Mercury Inventory in Onondaga Lake (1999)

614

Mer

cury

Inve

ntor

y (g

)

Event Date

TAMS

0

5

10

15

20

9/24 10/5 10/17 10/29 11/9 11/21 12/2

Con

cent

ratio

n (n

g/L)

Date

Total Mercury Above 9 Meter Depth

TAMS

Note: Concentrations are volume weighted averages

0

5

10

15

20

9/24 10/5 10/17 10/29 11/9 11/21 12/2

UnfilteredDissolvedParticulate (Calculated)

Con

cent

ratio

n (n

g/L)

Date

Total Mercury Below 9 Meter Depth

Figure 6-17

Total Mercury Above and Below 9 Meter Depth (1999)

Figure 6-18Comparison of Total Mercury, Iron and Backscatterance for Event 1, 9/27/99

TAMS

0 5 10 15 20 25 30

0 2 4 6 8 10

0

5

10

15

20

Total Mercury and Dissolved Oxygen

Mercury (ng/L)


Dep

th (m

)

0 5 10 15 20 25 30

0 2 4 6 8 10

0

5

10

15

20

Backscatterance and Dissolved Oxygen

Backscatterance (m-1)


Dep

th (m

)

0 0.1 0.2 0.3 0.4 0.5 0.6

0 2 4 6 8 10

0

5

10

15

20

Total Iron and Dissolved Oxygen

Iron (mg/L)


Dep

th (m

)

Other ParameterNorth Basin

Other ParameterSouth Basin

Dissolved OxygenSouth Basin

Dissolved OxygenNorth Basin


TAMS

0 5 10 15 20 25 30

0 2 4 6 8 10

0

5

10

15

20


Mercury (ng/L)


Dep

th (m

)

0 10 20 30 40 50 60 70

0 1 2 3 4 5 6

0

5

10

15

20




Dep

th (m

)

0 0.1 0.2 0.3 0.4 0.5 0.6

0 2 4 6 8 10

0

5

10

15

20


Iron (mg/L)


Dep

th (m

)






TAMS

0 5 10 15 20 25 30

0 2 4 6 8 10

0

5

10

15

20


Mercury (ng/L)


Dep

th (m

)

0 20 40 60 80 100 120

0 1 2 3 4 5 6 7 8

0

5

10

15

20




Dep

th (m

)

0 0.1 0.2 0.3 0.4 0.5 0.6

0 2 4 6 8 10

0

5

10

15

20


Iron (mg/L)


Dep

th (m

)





0

5

10

15

20

0 10 20

09/27/99270

a)

Depth (m)

�

0 10 20

09/30/99273

b)

0 10 20

10/04/99277

c)

Backscatterance (1/m)

0 10 20

10/08/99281

d)

0 10 20 30

10/11/99284

e)

0

5

10

15

20

0 10 20

10/13/99286

f)

Depth (m)

�

0 10 20

10/14/99287

g)

0 10 20

10/15/99288

h)


0 10 20

10/18/99291

i)

0 10 20 30

10/19/99292

j)

0

5

10

15

20

0 10 20

Thu Dec 02 15:00:18 1999

10/20/99293

k)

Depth (m)

�

0 10 20

10/21/99294

l)

0 10 20

10/23/99296

m)


0 10 20

10/25/99298

n)

0 10 20 30

10/26/99299

o)

Figure 6-211999 Backscatterance Profiles for Onondaga Lake: South Deep

Source: UFI , 1999

Page 1 of 2

NJo Environmental

Event 1

NJo Environmental

Event 2

NJo Environmental

Event 3

0

5

10

15

20

0 10 20

10/27/99300

p)

Depth (m)

�

0 10 20

10/29/99302

q)

0 10 20

11/01/99305

r)


0 10 20

11/05/99309

s)

0 10 20 30

11/09/99313

t)

0

5

10

15

20

0 10 20

Thu Dec 02 15:00:18 1999

11/12/99316

u)

Depth (m)

�

0 10 20

11/19/99323

v)


0 10 20 30

12/02/99336

w)

Figure 6-21 1999 Backscatterance Profiles for Onondaga Lake: South Deep

Source: UFI , 1999

Page 2 of 2

NJo Environmental

Event 4

NJo Environmental

Event 5

NJo Environmental

0

5

10

15

20

0 10 20

09/27/99270

a)

Depth (m)

�

0 10 20

09/30/99273

b)

0 10 20

10/04/99277

c)


0 10 20

10/08/99281

d)

0 10 20 30

10/11/99284

e)

0

5

10

15

20

0 10 20

10/13/99286

f)

Depth (m)

�

0 10 20

10/14/99287

g)

0 10 20

10/15/99288

h)


0 10 20

10/18/99291

i)

0 10 20 30

10/19/99292

j)

0

5

10

15

20

0 10 20

Thu Dec 02 15:01:06 1999

10/20/99293

k)

Depth (m)

�

0 10 20

10/21/99294

l)

0 10 20

10/23/99296

m)


0 10 20

10/25/99298

n)

0 10 20 30

10/26/99299

o)

Figure 6-221999 Backscatterance Profiles for Onondaga Lake: North Deep

Source: UFI , 1999

Page 1 of 2

NJo Environmental

Event 1

NJo Environmental

Event 2

NJo Environmental

Event 3

0

5

10

15

20

0 10 20

10/27/99300

p)

Depth (m)

�

0 10 20

10/29/99302

q)

0 10 20

11/01/99305

r)


0 10 20

11/05/99309

s)

0 10 20 30

11/09/99313

t)

0

5

10

15

20

0 10 20

Thu Dec 02 15:01:06 1999

11/12/99316

u)

Depth (m)

�

0 10 20

11/19/99323

v)


0 10 20 30

12/02/99336

w)

Figure 6-221999 Backscatterance Profiles for Onondaga Lake: North Deep

Source: UFI , 1999

Page 2 of 2

NJo Environmental

Event 4

NJo Environmental

Event 5

TAMSFigure 6-23Mercury and Dissolved Oxygen Profiles

0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30

Total Mercury9/27/1999

Dep

th (m

)

Dissolved Oxygen wt/vol (mg/L)

Total Mercury (ng/L)

0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30

Dissolved Mercury9/27/1999

Dep

th (m

)


Dissolved Mercury (ng/L)

0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)Dissolved Oxygen wt/vol (mg/L)


0

4

8

12

16

20

0 2 4 6 8 10

0 5 10 15 20 25 30


Dep

th (m

)



North Basin

South Basin

North BasinSouth Basin

Dissolved Oxygen

Mercury

Note: The north basin was not analyzed for mercury for 11/9/99 or 12/2/99.

0

0.5

1

1.5

2

2.5

3

3.5

4

9/24 10/5 10/17 10/29 11/9 11/21 12/2

Above 9 metersBelow 9 meters

TSS

Con

cent

ratio

n (m

g/L)

Figure 6-24Total TSS in Onondaga Lake (1999)

Lake

Date

TAMS

Note: Concentrations are volume weighted averages

0

5

10

15

20

0 90 180 270 360

TurbidityTurbidity During Onondaga Creek Event (12/1 and 12/2)

Turb

idity

(NTU

)

Wind Direction (Degrees from North)

Figure 6-25Turbidity and Wind Direction in Onondaga Lake (2001)

TAMS

Note:1. Data were collected hourly from November 14, 2001 through December 26, 2001, excluding December 3.

0

2

4

6

8

10

0

2

4

6

8

10

1:00

3:00

5:00

7:00

9:00

11:0

0

13:0

0

15:0

0

17:0

0

19:0

0

21:0

0

23:0

0

December 18, 2001 Wind Event

Wind Speed

Turbidity

Win

d Sp

eed

(m/s

) Turbidity (N

TU

)

Time (hours)

0

2

4

6

8

10

0

2

4

6

8

10

18:0

0

20:0

0

22:0

0

0:20

2:00

4:00

6:00

8:00

10:0

0

12:0

0

14:0

0

16:0

0December 15, 2001 Wind Event

Wind Speed

Turbidity

Win

d Sp

eed

(m/s

) Turbidity (N

TU

)

Time (hours)

0

2

4

6

8

10

0

2

4

6

8

10

1:00

3:00

5:00

7:00

9:00

11:0

0

13:0

0

15:0

0

17:0

0

19:0

0

21:0

0

23:0

0

November 16, 2001 Wind Event

Wind Speed

Turbidity W

ind

Spee

d (m

/s)

Turbidity (N

TU

)

Time (hours)

0

2

4

6

8

10

0

2

4

6

8

10

1:00

3:00

5:00

7:00

9:00

11:0

0

13:0

0

15:0

0

17:0

0

19:0

0

21:0

0

23:0

0

November 28, 2001 Wind Event

Wind Speed

Turbidity

Win

d Sp

eed

(m/s

) Turbidity (N

TU

)

Time (hours)

0

2

4

6

8

10

0

2

4

6

8

10

1:00

3:00

5:00

7:00

9:00

11:0

0

13:0

0

15:0

0

17:0

0

19:0

0

21:0

0

23:0

0


Wind Speed

Turbidity

Win

d Sp

eed

(m/s

) Turbidity (N

TU

)

Time (hours)

0

2

4

6

8

10

0

2

4

6

8

10

20:0

0

22:0

0

0:20

2:00

4:00

6:00

8:00

10:0

0

12:0

0

14:0

0

16:0

0

18:0

0


Wind Speed

Turbidity

Win

d S

peed

(m

/s) T

urbidity (NT

U)

Time (hours)

Figure 6-26Turbidity and Wind Speed During Wind Events (2001) in Onondaga Lake

TAMS

Note:1. For wind speed, only data for northwest winds are included. For all others, the wind speed is set to zero.

0

1

2

3

4

5

6

0 1 2 3 4 5 6

Event Averages

Background Baseline

Turb

idity

(NTU

)

Average Wind Speed (m/s)

Turbidity (NTU) = 0.8 x wind speed (m/s) + 0.33

R2=0.702

Figure 6-27Turbidity and Average Wind Speed in Onondaga Lake (2001)

TAMS

Notes:1. These data were collected hourly from November 14, 2001 through December 26, 2001, excluding December 3.2. Raw data used as described in Section 6.1.3.3. Event averages include data for northwest winds collected on November 16, November 28, December 15, and December 21.4. The baseline is the average of all data for northwest winds with speeds less than 2.17 m/s. 5. Background points include data for northwest winds with speeds less than 2.17 m/s.

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0 0.5 1 1.5 2 2.5 3 3.5

North Deep Basin Core S90

Ave

rage

Dep

th (c

m)

137 Cs (dpm/g)

1963 - peak in 137 CS global fallout

1954 - 137 Cs inputs begin from global fallout

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South Deep Basin Core S51

Ave

rage

Dep

th (c

m)

137 Cs (dpm/g)

1963 - peak in 137 Cs global fallout


TAMSFigure 6-28

137 Cs Profiles in Sediment Cores from the Deep Basins of Onondaga Lake (1992)

Note:137 Cs was not analyzed at every depth interval where metals were analyzed or above 10 cm.

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0 0.2 0.4 0.6 0.8 1

Core S85-North Basin off of Ninemile Creek

Ave

rage

Dep

th (c

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137 Cs (dpm/g)

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Core S12 - Littoral Zone off of Onondaga Creek

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rage

Dep

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137 Cs (dpm/g)

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1996 Core - South Basin

Ave

rage

Dep

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137 Cs (dpm/g)

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0 0.2 0.4 0.6 0.8 1

Core S73-Littoral Zone North of Bloody Brook

Ave

rage

Dep

th (c

m)

137 Cs (dpm/g)

TAMSFigure 6-29137 Cs Profiles in Sediment Cores from

Onondaga Lake (1992, 1996)

Note: 137 Cs was not analyzed in every depth interval where metals were analyzed or above 10 cm.

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North Deep Basin Core N-1A

vera

ge D

epth

(cm

)

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1964-peak in 137 Cs global fallout

1954- 137 Cs inputs begin from global fallout

1988 - year of collection

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South Deep Basin Core S-1

Ave

rage

Dep

th (c

m)

137 Cs (dpm/g)

1964 - Peak in 137 Cs global fallout


Note: 137 Cs was not analyzed in the first 2 intervals of this core.

TAMS

Source: Data from Rowell, 1992.

Figure 6-30137 Cs Profiles in Sediment Cores from the Deep Basins of Onondaga Lake (1988)

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Lead Profile in North Deep Basin Sediment Core N-1

App

roxi

mat

e Y

ear

Lead (mg/kg)

Figure 6-31Lead and Mercury Profiles in Sediment Cores from the North Deep Basin of Onondaga Lake (1988)

Reduction in mercury loading to lake

Start of mercury loading to lake

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0 10 20 30 40 50 60 70 80

Mercury Profile in North Deep Basin Sediment Core N-1

App

roxi

mat

e Y

ear

Mercury (mg/kg)

TAMS


Phasing out of leaded gasoline begins

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Mercury

Ave

rage

Dep

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Mercury (mg/kg)

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Cadmium

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rage

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th (c

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Cadmium (mg/kg)

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Chromium

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Dep

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Chromium (mg/kg)

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Copper

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rage

Dep

th (c

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Copper (mg/kg)

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rage

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Lead (mg/kg)

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Dep

th (c

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Nickel (mg/kg)

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120

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rage

Dep

th (c

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Zinc (mg/kg)

Figure 6-32Metals in Sediment Core S-1 (1988, South Deep Basin)

TAMS


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Mercury (mg/kg)

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rage

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Cadmium (mg/kg)

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Chromium (mg/kg)

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rage

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Copper (mg/kg)

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1000 50 100 150 200 250 300 350

Lead

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rage

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th (

cm)

Lead (mg/kg)

0

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1000 50 100 150 200 250

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Ave

rage

Dep

th (

cm)

Nickel (mg/kg)

0

20

40

60

80

1000 100 200 300 400 500 600 700

Zinc

Aver

age

Dep

th (

cm)

Zinc (mg/kg)

Figure 6-33Metals in Sediment Core N-1 (1988, North Deep Basin)

TAMS


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150

2000 10 20 30 40 50 60 70 80

Mercury

Ave

rage

Dep

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Mercury (mg/kg)

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rage

Dep

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Cadmium (mg/kg)

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rage

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Chromium (mg/kg)

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Copper (mg/kg)

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th (c

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Lead (mg/kg)

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rage

Dep

th (c

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Nickel (mg/kg)

0

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100

150

200

0 100 200 300 400 500 600 700

Zinc

Ave

rage

Dep

th (c

m)

Zinc (mg/kg)

Figure 6-34Metals in Sediment Core S51 (1992, South Deep Basin)

TAMS

0

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2500 10 20 30 40 50 60 70 80

Mercury

Ave

rage

Dep

th (c

m)

Mercury (mg/kg)

0

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150

200

2500 10 20 30 40 50

Cadmium

Ave

rage

Dep

th (c

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Cadmium (mg/kg)

0

50

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150

200

2500 200 400 600 800 1000

Chromium

Ave

rage

Dep

th (c

m)

Chromium (mg/kg)

0

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200

2500 100 200 300 400 500

Copper

Ave

rage

Dep

th (c

m)

Copper (mg/kg)

0

50

100

150

200

2500 50 100 150 200 250 300 350

Lead

Ave

rage

Dep

th (c

m)

Lead (mg/kg)

0

50

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150

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2500 50 100 150 200 250

Nickel

Ave

rage

Dep

th (c

m)

Nickel (mg/kg)

0

50

100

150

200

2500 100 200 300 400 500 600 700

Zinc

Ave

rage

Dep

th (c

m)

Zinc (mg/kg)

Figure 6-35Metals in Sediment Core S90 (1992, North Deep Basin)

TAMS

0

0.005

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0.015

0.02

0.025

1970 1975 1980 1985 1990

Ave

rage

Mer

cury

/ Le

ngth

(mg/

kg-w

w/m

m)

Year

TAMS

Figure 6-36Mercury Trend in Smallmouth Bass from Onondaga Lake

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Ninemile Creek

Galeville

Liverpool

Lakeland

MetroOutfall

HarborBrook

East Flume

Onondaga Lake RI

Figure 6-37Mercury MPA (g/m²) in

1992 and 2000 Sediment Data Thiessen Polygon Estimates

500 0 500 1000 Meters

LEGEND20001992%

#

Mercury MPA (g/m²) in 1992 and 2000 Sediment Data

0 - 0.32

3.2 - 10

0.32 - 1

1 - 3.2

100 - 320

10 - 32

32 - 100

Tributaries

Rail Road

Roads

Bathymetry (meters)

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Galeville

Liverpool

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MetroOutfall

HarborBrook

East Flume

500 0 500 1000 Meters

Onondaga Lake RI

Figure 6-38Cadmium MPA (g/m²)

in 1992 and 2000 Sediment DataThiessen Polygon Estimates

N

EW

S

Tributaries

Rail Road

Roads

LEGEND

20001992 Bathymetry (meters)

36

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0 - 0.32

1 - 3.2

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10 - 32

32 - 100

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100 - 320

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MetroOutfall

HarborBrook

East Flume

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Onondaga Lake RIFigure 6-39

Chromium MPA (g/m²)in 1992 and 2000 Sediment Data

Thiessen Polygon Estimates

Tributaries

Rail Road

Roads

LEGEND


36

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Chromium MPA (g/m²) in 1992 and 2000 Sediment Data

0 - 3.2

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10,000 - 32,000

3200 - 10,000

32 - 100

3.2 - 10

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MetroOutfall

HarborBrook

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Onondaga Lake RI

Figure 6-40Lead MPA (g/m²)


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Rail Road

Roads

LEGEND


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Figure 6-41Benzene MPA (g/m²) in 1992 and 2000

Sediment DataThiessen Polygon EstimatesOnondaga Lake RI

Tributaries

Rail Road

Roads


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LEGEND

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Galeville

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MetroOutfall

HarborBrook

East Flume

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Figure 6-42 Sum of Chlorobenzenes MPA (g/m²)


Tributaries

Rail Road

Roads

LEGEND


36

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Figure 6-43Dichlorobenzenes MPA (g/m²)


Tributaries

Rail Road

Roads

LEGEND


36

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Tributaries

Rail Road

Roads

LEGEND


36

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Onondaga Lake RI

Figure 6-44 Naphthalene MPA (g/m²)


500 0 500 1000 1500 Meters

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LEGEND

Roads

Rail Road

Tributaries

Onondaga Lake RI

Figure 6-45Low Molecular Weight PCBs

MPA (g/m2) in 1992 and 2000 Sediment Data Thiessen Polygon Estimates

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Ninemile Creek

Galeville

Liverpool

Lakeland

MetroOutfall

HarborBrook

East Flume

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Figure 6-46 High Molecular Weight PCBs

MPA (g/m2) in 1992 and 2000 Sediment Data Thiessen Polygon Estimates

Onondaga Lake RI

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0.1 - 0.32

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High Molecular Weight PCB MPA (g/m²) in 1992 and 2000 Sediment Data

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63

Bathymetry (meters)19922000

LEGEND

Roads

Rail Road

Tributaries

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