TABLE I-11 Final Estimates of Worldwide Land-based Contributions of Hydrocarbons and Polycyclic Aromatic Hydrocarbons (PAH) to the Sea

World Region

Coastal Zone

Description

Hydrocarbons (tonne yr−1)

PAH (tonne yr−1)

North Americaa

A

No urban areas

0

0

B

Coastal

0

0

Saskatchewan

653

7

Subtotal

653

7

C

Coastal

128

1

St. Lawrence

370

4

Subtotal

498

5

D

Coastal

22,314

223

Delaware

932

9

Hudson

4,029

40

James

1,409

14

Potomac

37

0

Susquehanna

515

5

Subtotal

29,236

292

E

Coastal

1,502

15

Altamaha

103

1

Neuse

197

2

Roanoke

91

1

Santee

504

5

Savannah

119

1

Subtotal

2,516

25

F

Coastal

797

8

Alabama-Tombigbee

373

4

Apalachicola

408

4

Subtotal

1,578

16

G

Coastal

1,416

14

Gulf coast refineriesb

43

0

Brazos

271

3

Colorado (TX)

280

3

Mississippi

7,885

79

Rio Grande

825

8

Sabine

131

1

Trinity

444

4

Subtotal

11,294

113

Ha

Coastal and inland rivers

1,623

16

Ia

No urban areas

0

0

J

Coastal and inland rivers

864

9

K

Coastal

1,860

19

L

Coastal

815

8

Sacramento

573

6

San Joaquin

865

9

Subtotal

2,253

23

M

Coastal

1,016

10

Columbia

573

6

Subtotal

1,589

16

N

Coastal

65

1

O

Coastal

29

0

P

Coastal

83

1

Copper

0

0

Susitna

0

0

Subtotal

83

1

Q

Coastal

0

0

Yukon

0

0

Subtotala

51,653

517

Africa

 

 

3,673

37

Europe

 

 

46,464

465

Central America

 

 

3,392

34

South America

 

 

7,047

70

Asia

 

 

25,402

254

Oceania

 

 

2,989

30

TOTAL

 

 

140,620

1,406

NOTES: aSubtotal for North America does not include Coastal Zones in Mexico; bSee Table I-4 for calculation of refinery loading.



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