Area Designations for the 2010 SO 2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO 2 Emitted in 2012 or

2,600 Tons of SO 2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO 2 per mm Btu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations

.

Page 1 of 4 EPA

Region State County Facility Name 2012 SO 2 Emissions (Tons) 2012 Average SO 2

Emissions Rate

(lbs/mm Btu)

6 AR Independence Independence Power Plant 32,974 0.59

6 AR Jefferson White Bluff Power Plant 31,687 0.59

8 CO El Paso Martin Drake Power Plant 4,792 0.56

8 CO Morgan Pawnee Generating station 13,510 0.76

4 GA Bartow Robert W Scherer Power Plant (Plant Scherer) 42,349 0.37

7 IA Des Moines Burlington Generating Station 4,697 0.67

7 IA Wapello Ottumwa Generating Station 11,985 0.67

7 IA Woodbury George Neal Station South 14,273 0.64

5 IL Jasper Newton Power Station 16,519 0.59

5 IL Madison Wood River Power Station 6,756 0.48

5 IL Massac Joppa Steam Coal Power Plant 16,991 0.47

5 IL Putnam Hennepin Power Station 5,906 0.50

5 IL Williamson Marion Power Station 5,850 0.49

5 IN Gibson Gibson Generating Station 22,447 0.25

5 IN Jefferson Clifty Creek Power Plant 52,839 1.77

5 IN LaPorte Michigan City Generating Station 11,584 1.01

5 IN Posey A B Brown Generating Station 7,091 0.52

5 IN Spencer Rockport Power Plant/Rockport Generating Station 54,390 0.58

7 KS Linn La Cygne Generating Station 16,235 0.36

7 KS Shawnee Tecumseh Energy Center 3,979 0.58

7 KS Wyandotte Nearman Creek Power Station 4,612 0.64

4 KY Ohio D B Wilson Generating Station 7,387 0.45Area Designations for the 2010 SO 2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO 2 Emitted in 2012 or

2,600 Tons of SO 2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO 2 per mm Btu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations

.

Page 2 of 4 EPA

Region State County Facility Name 2012 SO 2 Emissions (Tons) 2012 Average SO 2

Emissions Rate

(lbs/mm Btu)

4 KY Pulaski John S Cooper Power Station 7,428 1.07

6 LA Mansfield/

De Soto Parish Dolet Hills Power Station 20,887 0.80

6 LA Westlake/

Calcasieu Parish Nelson Industrial Steam Company 6,706 0.69

6 LA Westlake/

Calcasieu Parish R S Nelson Generating Plant 12,513 0.46

3 MD Anne Arundel Herbert A Wagner Generating Station 7,514 1.10

5 MI Bay Dan E Karn/JC Weadock Generating Complex 6,853 0.54

5 MI Eaton Erickson Power Plant 2,685 0.64

5 MI Ingham Eckert Power Station 3,677 0.58

5 MI Marquette Presque Isle 6,028 0.51

5 MI Monroe Monroe Power Plant 49,151 0.62

5 MI Ottawa J H Campbell Generating Complex 21,501 0.52

5 MI St Clair Belle River Power Plant 24,869 0.62

5 MI St Clair St. Clair Power Plant 28,208 0.94

7 MO Franklin Labadie Power Plant 42,235 0.57

7 MO Jackson Sibley Generating Station 6,095 0.55

7 MO Scott Sikeston Power station 5,243 0.62

4 MS Lamar R D Morrow Senior Generating Plant 3,948 0.63

4 NC Brunswick CPI USA North Carolina Southport 2,923 0.74

8 ND McLean Coal Creek Station 16,273 0.34

8 ND Mercer Coyote Station 10,639 0.79Area Designations for the 2010 SO 2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO 2 Emitted in 2012 or

2,600 Tons of SO 2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO 2 per mm Btu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations

.

Page 3 of 4 EPA

Region State County Facility Name 2012 SO 2 Emissions (Tons) 2012 Average SO 2

Emissions Rate

(lbs/mm Btu)

8 ND Mercer Leland Olds Power Plant 38,323 2.06

7 NE Lancaster Sheldon Station 2,760 0.46

7 NE Lincoln Gerald Gentleman Station 26,438 0.59

7 NE Otoe Nebraska City Station 16,766 0.35

2 NY Erie NRG Huntley Generation Station 2,716 0.70

2 NY Niagara Kintigh Generating Station (AES Somerset LLC) 5,653 0.53

5 OH Clermont W H Zimmer Generating Station 11,975 0.53

5 OH Gallia General James M Gavin 31,269 0.36

6 OK Choctaw Hugo Plant 8,066 0.60

6 OK Muskogee Muskogee Generating Station 22,647 0.50

6 OK Noble Sooner Generating Station 15,029 0.50

8 SD Grant Big Stone Plant

- Otter Tail Power Company 12,290 0.81

4 TN Sumner TVA: Gallatin Fossil Plant 21,732 0.62

6 TX Atascosa San Miguel Electric 10,950 0.63

6 TX Fort Bend W A Parish Electric Generating Station 37,861 0.49

6 TX Freestone Big Brown Power Plant 60,681 1.59

6 TX Goliad Coleto Creek Power Station 16,218 0.62

6 TX Lamb Tolk Generating Station 19,168 0.52

6 TX Leon Limestone Generating Station 20,671 0.36

6 TX McLennan Sandy Creek Energy Station 4,955 1.14

6 TX Milam Luminant Sandow Yorktown Power Plant 22,511 1.00

6 TX Potter Harrington Generating Station 15,383 0.46Area Designations for the 2010 SO 2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO 2 Emitted in 2012 or

2,600 Tons of SO 2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO 2 per mm Btu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations

.

Page 4 of 4 EPA

Region State County Facility Name 2012 SO 2 Emissions (Tons) 2012 Average SO 2

Emissions Rate

(lbs/mm Btu)

6 TX Robertson Optim Energy Twin Oaks Power Station 4,038 0.51

6 TX Rusk Luminant Power Plant at Martin Lake 43,093 0.55

6 TX Titus Monticello Steam Electric Station 31,447 0.78

5 WI Columbia Columbia Energy Center 24,599 0.60