TABLE 6-2 Percentage Contribution of Source Categories to Emissions in the East, Southwest, and Nortwesta,b,c

 

SOx

Organic Particles

VOCs

Elemental Carbonc

Suspended Dust

NH3

NOx

East

 

 

 

 

 

 

 

Electric utilities (nearly all from coal-fired power plants)

78

Neg

Neg

Neg

Neg

Neg

39

Diesel-fueled mobile sources (trucks, buses, train, jets, ships, heavy equipment)

1 1/2

1

Neg

34

Neg

31

47

29

Negd

Negd

Neg

Neg

16

26

Gasoline vehicles

 

 

 

 

 

 

 

Petroleum and chemical industries and industrial oil combustion

4 1/2

7

Neg

Neg

11

Neg

Neg

Neg

Neg

Neg

Neg

Neg

Neg

Neg

Industrial coal combustion

Neg

20

13

15

Neg

Neg

Neg

Residential wood burning

 

 

 

 

 

 

 

Fugitive dust (presumably predominantly from on-road and off-road traffic)

Neg

Neg

Neg

Neg

Neg

Neg

Neg

Neg

100

Neg

Neg

66

Neg

Neg

Feedlots and livestock waste management

8

46

45

9

Neg

34

19

Miscellaneous

 

 

 

 

 

 

 



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