0.7

Colbert 5 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.55

0.6

0.65

0.4

0.45

0.5

b/mmBtu)

0 25

0.3

0.35

Ox Emissions (lb

0.15

0.2

0.25

NO

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.6

Ghent B3 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0 45

0.5

0.55

0.35

0.4

0.45

b/mmBtu)

0.25

0.3

Ox Emissions (lb

0.1

0.15

0.2 NO

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.6

Ghent B4 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0 45

0.5

0.55

0.35

0.4

0.45

b/mmBtu)

0.25

0.3

Ox Emissions (lb

0.1

0.15

0.2 NO

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.5

Mill Creek B3 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.4

0.45

0.3

0.35

b/mmBtu)

0.2

0.25

Ox Emissions (lb

0.1

0.15

NO

0

0.05

0 1000 2000 3000 4000 5000 6000 7000 
0.5

Mill Creek B4 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.4

0.45

0.3

0.35

b/mmBtu)

0.2

0.25

Ox Emissions (lb

0.1

0.15

NO

0

0.05

0 1000 2000 3000 4000 5000 6000 7000 
0.55

Wateree WAT2 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.45

0.5

0 3

0.35

0.4

b/mmBtu)

0.2

0.25

0.3

Ox Emissions (lb

0.1

0.15

NO

0

0.05

0 1000 2000 3000 4000 5000 6000 7000 
0.65

Chesapeake 3 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.5

0.55

0.60.4

0.45

b/mmBtu)

0.25

0.3

0.35

Ox Emissions (lb

0 1

0.15

0.2 N

O

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.7

John Amos 1 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.55

0.6

0.65

0.4

0.45

0.5

b/mmBtu)

0 25

0.3

0.35

Ox Emissions (lb

0.15

0.2

0.25

NO

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.65

John Amos 2 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.5

0.55

0.60.4

0.45

b/mmBtu)

0.25

0.3

0.35

Ox Emissions (lb

0 1

0.15

0.2 N

O

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.6

Pleasants 1 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0 45

0.5

0.55

0.35

0.4

0.45

b/mmBtu)

0.25

0.3

Ox Emissions (lb

0.1

0.15

0.2 NO

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.55

Pleasants 2 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.45

0.5

0 3

0.35

0.4

b/mmBtu)

0.2

0.25

0.3

Ox Emissions (lb

0.1

0.15

NO

0

0.05

0 1000 2000 3000 4000 5000 6000 7000 
0.5

East Bend B2 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0.4

0.45

0.3

0.35

b/mmBtu)

0.2

0.25

Ox Emissions (lb

0.1

0.15

NO

0

0.05

0 1000 2000 3000 4000 5000 6000 7000 
0.6

Mountaineer 1 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0 45

0.5

0.55

0.35

0.4

0.45

b/mmBtu)

0.25

0.3

Ox Emissions (lb

0.1

0.15

0.2 NO

0

0.05

0.1

0 1000 2000 3000 4000 5000 6000 7000 
0.95

1

DB Wilson W1 '06 NOx Specific Emissions

NOx 24 Hour Avg (lb/mmBtu)NOx 30 Day Rolling Avg (lb/mmBtu)

0 75

0.8

0.85

0.9

0 950 55

0.6

0.65

0.7

0.75

b/mmBtu)

0 35

0.4

0.45

0.5

0.55

Ox Emissions (lb

0 15

0.2

0.25

0.3

0.35

NO

0

0.05

0.1

0.15

0 1000 2000 3000 4000 5000 6000 7000