Federal Register - June 14, 2021
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Source: Federal Register
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Federal Register / Vol. 86, No. 112 / Monday, June 14, 2021 / Rules and Regulations
PART 81DESIGNATIONS OF AREAS
FOR AIR QUALITY PLANNING
PURPOSES
1. The authority citation for part 81
continues to read as follows:
Authority: 42 U.S.C. 7401, et seq.
b. Removing the entries McHenry County after the entry McDonough County and Monroe County after the entry Mercer County; and c. Adding footnote 3 to the table.
The revisions and addition read as follows:
Subpart CSection 107 Attainment Status Designations 2. In 81.314, the table titled Illinois2015 8-Hour Ozone NAAQS
Primary and Secondary is amended by:
a. Revising the entries under Chicago, IL-IN-WI and St. Louis, MO-IL;
81.314
Illinois.
ILLINOIS2015 8-HOUR OZONE NAAQS
Primary and Secondary Designation
Classification
Designated area 1
Chicago, IL-IN-WI
Cook County.
DuPage County.
Grundy County part Aux Sable Township and Goose Lake Township.
Kane County.
Kendall County part Oswego Township.
Lake County.
McHenry County
Will County.
St. Louis, MO-IL
Madison County.
Monroe County
St. Clair County.
Date 2
Type
Date 2
Nonattainment
Marginal.
Nonattainment
Marginal.
Type
July 14, 2021 3.
July 14,
2021 3.
1 Includes
any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is August 3, 2018, unless otherwise noted.
3 EPA revised the nonattainment boundary in response to a court decision, which did not vacate any designations for the 2015 ozone NAAQS, but which remanded the designation for the identified county. Because this additional area is part of a previously designated nonattainment area, the implementation dates for the overall nonattainment area e.g., the August 3, 2021 attainment date remain unchanged regardless of this later designation date.
a. Revising the entries under Chicago, IL-IN-WI;
b. Removing the entry Porter County after the entry Pike County and adding the entry Porter County part remainder in its place; and
3. In 81.315, the table titled Indiana2015 8-Hour Ozone NAAQS
Primary and Secondary is amended by:
c. Adding footnote 3 to the table.
The revisions and additions read as follows:
81.315
Indiana.
INDIANA2015 8-HOUR OZONE NAAQS
Primary and Secondary Designation
Classification
Designated area 1
Chicago, IL-IN-WI:
Lake County part Calumet Township, Hobart Township, North Township, Ross Township, and St. John Township.
Porter County part
Center Township, Jackson Township, Liberty Township, Pine Township, Portage Township, Union Township, Washington Township, and Westchester Township.
Porter County part remainder
lotter on DSK11XQN23PROD with RULES1
Date 2
Type
Date 2
Nonattainment
Type Marginal.
July 14, 2021 3.
Attainment/
Unclassifiable.
1 Includes
any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is August 3, 2018, unless otherwise noted.
3 EPA revised the nonattainment boundary in response to a court decision, which did not vacate any designations for the 2015 ozone NAAQS, but which remanded the designation for the identified county. Because this additional area is part of a previously designated nonattainment area, the implementation dates for the overall nonattainment area e.g., the August 3, 2021 attainment date remain unchanged regardless of this later designation date.
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