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Adjustments to Original Sulfur Dioxide (2010) Nonattainment Area Baseline

Data is current as of September 30, 2020


Effective October 15, 2019, the initial designation of the SO2 (2010) Williamson County, IL nonattainment area was changed from nonattainment to attainment/unclassifiable (84 FR 48286).

DESIGNATION TO NONATTAINMENT
July 12, 2016, Effective September 12, 2016 ( 81 FR 45039 )
Alton Township, IL - ILLINOIS
 
July 12, 2016, Effective September 12, 2016 ( 81 FR 45039 )
Anne Arundel County and Baltimore County, MD - MARYLAND
 
July 12, 2016, Effective September 12, 2016 ( 81 FR 45039 )
St. Clair, MI - MICHIGAN
 
December 13, 2016, Effective January 12, 2017 ( 81 FR 89870 )
Freestone and Anderson Counties, TX - TEXAS
 
December 13, 2016, Effective January 12, 2017 ( 81 FR 89870 )
Rusk and Panola Counties, TX - TEXAS
 
December 13, 2016, Effective January 12, 2017 ( 81 FR 89870 )
Titus County, TX - TEXAS
 
January 09, 2018, Effective April 09, 2018 ( 83 FR 1098 )
Evangeline Parish (Partial), LA - LOUISIANA
 
January 09, 2018, Effective April 09, 2018 ( 83 FR 1098 )
Guayama-Salinas, PR - PUERTO RICO
 
January 09, 2018, Effective April 09, 2018 ( 83 FR 1098 )
Hillsborough-Polk County, FL - FLORIDA
 
January 09, 2018, Effective April 09, 2018 ( 83 FR 1098 )
Huntington, IN - INDIANA
 
January 09, 2018, Effective April 09, 2018 ( 83 FR 1098 )
Piti-Cabras, GU - GUAM
 
January 09, 2018, Effective April 09, 2018 ( 83 FR 1098 )
San Juan, PR - PUERTO RICO