EPA's Final Area Designations for the 2010 Sulfur Dioxide (SO2)
Primary National Ambient Air Quality Standard (NAAQS) - Round 4
December 2020

(oiinlv/Psirish
SO2 Kmissions Soiirco(s)
KPA's l-iiinl Arcsi
KPA's l-iiuil Designation
AL
Shelby
Lhoist North America of Alabama -
Montevallo Plant
Shelby County (partial)*
Attainment/Unclassifiable
GA
Floyd
International Paper - Rome
(Formerly Temple Inland)
Floyd County
Attainment/Unclassifiable
HI
Honolulu
AES Hawaii LLC Cogeneration Plant
Hawaiian Electric Company (HECO) Kahe
Generating Station
Kalaeloa Cogeneration Plant
Honolulu County
Attainment/Unclassifiable
HI
Honolulu
Hawaiian Electric Company (HECO)
Waiau Generating Station
Honolulu County
Attainment/Unclassifiable
IL
Macon
Archer Daniels Midland Company
Tate & Lyle Ingredients Americas LLC
Macon County
Attainment/Unclassifiable
IN
Porter
ArcelorMittal Burns Harbor LLC
Porter County
Attainment/Unclassifiable
KY
Henderson
Century Aluminum Sebree LLC
Robert Reid Station/HMP&L Station 2
Robert D. Green Station
Henderson County (partial)**
Webster County (partial)**
Nonattainment
LA
East Baton
Rouge
Oxbow Calcining LLC - Baton Rouge
Calcined Coke Plant
East Baton Rouge Parish
Attainment/Unclassifiable
LA
St. Charles
Rain CII Carbon LLC - Norco Coke Plant
St. Charles Parish
Attainment/Unclassifiable
LA
St. James
Rain CII Carbon LLC - Gramercy Coke Plant
St. James Parish
Attainment/Unclassifiable
LA
West Baton
Rouge
Tokai Carbon CB - Addis Facility
West Baton Rouge Parish
Attainment/Unclassifiable
MD/WV
Allegany (MD)
Mineral (WV)
Luke Paper Mill
Allegany County, MD
Mineral County, WV
Attainment/Unclassifiable
MO
Iron
Doe Run Buick Resource Recycling
Iron County
Attainment/Unclassifiable
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Slsilo
('oiinly/Psirisli
SO2 Kmissions Sourcc(s)
KPA's l-'insil Arcsi
KPA's I'iniil Designation
MO
New Madrid
Magnitude 7 Metals
AECI New Madrid
New Madrid County
(partial)**
Nonattainment
NE
Douglas
OPPD - North Omaha Power
Douglas County
Attainment/Unclassifiable
NY
Cayuga
Seneca
Tompkins
Cayuga Generating Station
Cayuga County
Seneca County
Tompkins County
Attainment/Unclassifiable
NY
St. Lawrence
Alcoa Massena
St. Lawrence County
(partial)**
Nonattainment
NC
Buncombe
Asheville Steam Electric Plant - Duke Energy
Progress, Inc.
Limestone Township -
Buncombe County
Attainment/Unclassifiable
NC
Haywood
Blue Ridge Paper Products - Canton Mill
Beaverdam Township -
Haywood County
Attainment/Unclassifiable
NC
Person
Roxboro Steam Electric Plant - Duke Energy
Progress, LLC
Cunningham Township -
Person County
Attainment/Unclassifiable
ND
Williams
Amerada Hess - Tioga Gas Plant
Williams County
Attainment/Unclassifiable
OK
Garfield
Oxbow Calcining - Kremlin
Garfield County
Attainment/Unclassifiable
OK
Mayes
GRDA - Chouteau Coal Fired Complex
Mayes County
Attainment/Unclassifiable
OK
Muskogee
Georgia Pacific - Muskogee Mill
OG&E - Muskogee Generating Station
Muskogee County
Attainment/Unclassifiable
PA
York
Magnesita Refractories
Pixelle Specialty Solutions LLC Spring Grove
York County
Attainment/Unclassifiable
PA
York
Brunner Island Steam Electric Station
York County
Attainment/Unclassifiable
TX
Bexar
City Public Service - Calaveras Plant
Bexar County
Attainment/Unclassifiable
TX
Harrison
Southwestern Electric Power Co. - AEP Pirkey
Power Plant
Harrison County
Unclassifiable
TX
Howard
Tokai Carbon CB LTD Big Spring Carbon
Black Plant
Howard County (partial)**
Nonattainment
TX
Hutchinson
Orion Carbon Black
Tokai Carbon Black
Hutchinson County
(partial)**
Nonattainment
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Slsilo
('oiinly/Psirisli
SO2 Kmissions Sourcc(s)
KPA's l-'insil Arcsi
KPA's I'iniil Designation
TX
Jefferson
Oxbow Calcining LLC - Oxbow Calcining
Jefferson County
Attainment/Unclassifiable
TX
Navarro
Arcosa LWS LLC Streetman Plant
Navarro County (partial)**
Nonattainment
TX
Orange
Orion Engineered Carbons LLC - Echo Carbon
Black
Orange County
Unclassifiable
TX
Robertson
Oak Grove MGMT Company LLC - Oak
Grove Steam Electric Station
Robertson County
Attainment/Unclassifiable
TX
Titus
Southwestern Electric Power Co. - Welsh
Power Plant
Titus County (partial)*
Attainment/Unclassifiable
VA
Alleghany
Westrock's Covington Mill
(Meadwestvaco Packaging Resource Group)
City of Covington -
Alleghany County
Attainment/Unclassifiable
VA
Botetourt
Roanoke Cement Company
Botetourt County
Attainment/Unclassifiable
VA
Giles
Lhoist Kimballton Plant
Giles County (partial)**
Nonattainment
WA
Chelan
Douglas
Alcoa Primary Metals Wenatchee Works
Chelan County
Douglas County
Attainment/Unclassifiable
WA
Whatcom
Alcoa Intalco
Whatcom County (partial)**
Nonattainment
WI
Outagamie
Ahlstrom-Munksjo NA Specialty Solutions
LLC - Kaukauna
Outagamie County (partial)**
Nonattainment
WY
Carbon
Sinclair Wyoming - Sinclair Refinery
Carbon County
Attainment/Unclassifiable
WY
Fremont
Burlington Resources - Lost Cabin Gas Plant
Fremont County (partial)*
Attainment/Unclassifiable
WY
Converse
PacifiCorp - Dave Johnston
Converse County
Attainment/Unclassifiable
WY
Sweetwater
Solvay Chemicals - Solvay Green River
TATA Chemicals - Green River Works
Tronox Alkali - Granger
Tronox - Westvaco
Sweetwater County (partial)*
Attainment/Unclassifiable
* The other portion of the area was designated previously.
** EPA is designating the remaining undesignated portion of the area {i.e., the remaining portion of the county outside of EPA's final
nonattainment area boundary) as attainment/unclassifiable in this round of designations.
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