Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 81  /  Sec. 81.304 Arkansas.

Arkansas--1971 Sulfur Dioxide NAAQS (Primary and Secondary)----------------------------------------------------------------------------------------------------------------

Does not

Does not meet Cannot be Better than

Designated area meet primary secondary classified national

standards standards standards----------------------------------------------------------------------------------------------------------------AQCR 016................................................ ............ ............ ............ XAQCR 017................................................ ............ ............ ............ XAQCR 018................................................ ............ ............ ............ XAQCR 019................................................ ............ ............ ............ XAQCR 020................................................ ............ ............ ............ XAQCR 021................................................ ............ ............ ............ XAQCR 022................................................ ............ ............ ............ X----------------------------------------------------------------------------------------------------------------

Arkansas--Carbon Monoxide----------------------------------------------------------------------------------------------------------------

Designation Classification

Designated Area ---------------------------------------------------------------------------

Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas Intrastate ......... Unclassifiable/Attainment

Chicot County

Clark County

Cleveland County

Conway County

Dallas County

Desha County

Drew County

Faulkner County

Garland County

Grant County

Hot Spring County

Jefferson County

Lincoln County

Lonoke County

Perry County

Pope County

Pulaski County

Saline County

Yell CountyAQCR 017 Metropolitan Fort Smith ......... Unclassifiable/Attainment

Interstate.

Benton County

Crawford County

Sebastian County

Washington CountyAQCR 018 Metropolitan Memphis ......... Unclassifiable/Attainment

Interstate.

Crittenden CountyAQCR 019 Monroe (Louisiana)-El ......... Unclassifiable/Attainment

Dorado Interstate.

Ashley County

Bradley County

Calhoun County

Nevada County

Ouachita County

Union CountyAQCR 020 Northeast Arkansas ......... Unclassifiable/Attainment

Intrastate.

Arkansas County

Clay County

Craighead County

Cross County

Greene County

Independence County

Jackson County

Lawrence County

Lee County

Mississippi County

Monroe County

Phillips County

Poinsett County

Prairie County

Randolph County

Sharp County

St. Francis County

White County

Woodruff CountyAQCR 021 Northwest Arkansas ......... Unclassifiable/Attainment

Intrastate.

Baxter County

Boone County

Carroll County

Cleburne County

Franklin County

Fulton County

Izard County

Johnson County

Logan County

Madison County

Marion County

Montgomery County

Newton County

Pike County

Polk County

Scott County

Searcy County

Stone County

Van Buren CountyAQCR 022 Shreveport-Texarkana-Tyler ......... Unclassifiable/Attainment

Interstate.

Columbia County

Hempstead County

Howard County

Lafayette County

Little River County

Miller County

Sevier County----------------------------------------------------------------------------------------------------------------\1\ This date is November 15, 1990, unless otherwise noted.

Arkansas--Ozone (1-Hour Standard) \2\----------------------------------------------------------------------------------------------------------------

Designation Classification

Designated area ---------------------------------------------------------------------------

Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas Intrastate ......... Unclassifiable/Attainment

(part) Pulaski County.AQCR 016 Central Arkansas Intrastate ......... Unclassifiable/Attainment

(Remainder of).

Chicot County

Clark County

Cleveland County

Conway County

Dallas County

Desha County

Drew County

Faulkner County

Garland County

Grant County

Hot Spring County

Jefferson County

Lincoln County

Lonoke County

Perry County

Pope County

Saline County

Yell CountyAQCR 017 Metropolitan Fort Smith ......... Unclassifiable/Attainment

Interstate.

Benton County

Crawford County

Sebastian County

Washington CountyAQCR 018 Metropolitan Memphis ......... Unclassifiable/Attainment

Interstate.

Crittenden County

AQCR 019 Monroe-El Dorado ......... Unclassifiable/Attainment

Interstate.

Ashley County

Bradley County

Calhoun County

Nevada County

Ouachita County

Union CountyAQCR 020 Northeast Arkansas ......... Unclassifiable/Attainment

Intrastate.

Arkansas County

Clay County

Craighead County

Cross County

Greene County

Independence County

Jackson County

Lawrence County

Lee County

Mississippi County

Monroe County

Phillips County

Poinsett County

Prairie County

Randolph County

Sharp County

St. Francis County

White County

Woodruff CountyAQCR 021 Northwest Arkansas ......... Unclassifiable/Attainment

Intrastate.

Baxter County

Boone County

Carroll County

Cleburne County

Franklin County

Fulton County

Izard County

Johnson County

Logan County

Madison County

Marion County

Montgomery County

Newton County

Pike County

Polk County

Scott County

Searcy County

Stone County

Van Buren CountyAQCR 022 Shreveport-Texarkana-Tyler ......... Unclassifiable/Attainment

Interstate.

Columbia County

Hempstead County

Howard County

Lafayette County

Little River County

Miller County

Sevier County----------------------------------------------------------------------------------------------------------------\1\ This date is October 18, 2000, unless otherwise noted.\2\ The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Arkansas.

Arkansas--PM-10----------------------------------------------------------------------------------------------------------------

Designation Classification

Designated area -------------------------------------------------------------------------

Date Type Date Type----------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas Intrastate.. ............. Unclassifiable ............. Unclassifiable.AQCR 017 Metropolitan Fort Smith ............. Unclassifiable ............. Unclassifiable.

Interstate.AQCR 018 Metropolitan Memphis ............. Unclassifiable ............. Unclassifiable.

Intrastate.AQCR 019 Monroe (Louisiana)-El Dorado ............. Unclassifiable ............. Unclassifiable.

Interstate.AQCR 020 Northeast Arkansas Intrastate ............. Unclassifiable ............. Unclassifiable.AQCR 021 Northwest Arkansas Intrastate ............. Unclassifiable ............. Unclassifiable.AQCR 022 Shreveport-Texarkana-Tyler ............. Unclassifiable ............. Unclassifiable.

Interstate.----------------------------------------------------------------------------------------------------------------

Arkansas--1997 Annual PM2.5 NAAQS

[Primary and secondary]----------------------------------------------------------------------------------------------------------------

Designation \a\ Classification

Designated area -----------------------------------------------------------------------------

Date \1\ Type Date Type----------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas

Intrastate:

Chicot County................. .............. Unclassifiable/

Attainment

Clark County.................. .............. Unclassifiable/

Attainment

Cleveland County.............. .............. Unclassifiable/

Attainment

Conway County................. .............. Unclassifiable/

Attainment.

Dallas County................. .............. Unclassifiable/

Attainment

Desha County.................. .............. Unclassifiable/

Attainment

Drew County................... .............. Unclassifiable/

Attainment

Faulkner County............... .............. Unclassifiable/

Attainment

Garland County................ .............. Unclassifiable/

Attainment

Grant County.................. .............. Unclassifiable/

Attainment

Hot Spring County............. .............. Unclassifiable/

Attainment

Jefferson County.............. .............. Unclassifiable/

Attainment

Lincoln County................ .............. Unclassifiable/

Attainment

Lonoke County................. .............. Unclassifiable/

Attainment

Perry County.................. .............. Unclassifiable/

Attainment

Pope County................... .............. Unclassifiable/

Attainment

Pulaski County................ .............. Unclassifiable/

Attainment

Saline County................. .............. Unclassifiable/

Attainment

Yell County................... .............. Unclassifiable/

AttainmentAQCR 017 Metropolitan Fort Smith

Interstate:

Benton County................. .............. Unclassifiable/

Attainment

Crawford County............... .............. Unclassifiable/

Attainment

Sebastian County.............. .............. Unclassifiable/

Attainment

Washington County............. .............. Unclassifiable/

AttainmentAQCR 019 Monroe-El Dorado

Interstate:

Ashley County................. .............. Unclassifiable/

Attainment

Bradley County................ .............. Unclassifiable/

Attainment

Calhoun County................ .............. Unclassifiable/

Attainment

Nevada County................. .............. Unclassifiable/

Attainment

Ouachita County............... .............. Unclassifiable/

Attainment

Union County.................. .............. Unclassifiable/

AttainmentAQCR 020 Northeast Arkansas

Intrastate:

Arkansas County............... .............. Unclassifiable/

Attainment

Clay County................... .............. Unclassifiable/

Attainment

Craighead County.............. .............. Unclassifiable/

Attainment

Cross County.................. .............. Unclassifiable/

Attainment

Greene County................. .............. Unclassifiable/

Attainment

Independence County........... .............. Unclassifiable/

Attainment

Jackson County................ .............. Unclassifiable/

Attainment

Lawrence County............... .............. Unclassifiable/

Attainment

Lee County.................... .............. Unclassifiable/

Attainment

Mississippi County............ .............. Unclassifiable/

Attainment

Monroe County................. .............. Unclassifiable/

Attainment

Phillips County............... .............. Unclassifiable/

Attainment

Poinsett County............... .............. Unclassifiable/

Attainment

Prairie County................ .............. Unclassifiable/

Attainment

Randolph County............... .............. Unclassifiable/

Attainment

St. Francis County............ .............. Unclassifiable/

Attainment

Sharp County.................. .............. Unclassifiable/

Attainment

White County.................. .............. Unclassifiable/

Attainment

Woodruff County............... .............. Unclassifiable/

AttainmentAQCR 021 Northwest Arkansas

Intrastate:

Baxter County................. .............. Unclassifiable/

Attainment

Boone County.................. .............. Unclassifiable/

Attainment

Carroll County................ .............. Unclassifiable/

Attainment

Cleburne County............... .............. Unclassifiable/

Attainment

Franklin County............... .............. Unclassifiable/

Attainment

Fulton County................. .............. Unclassifiable/

Attainment

Izard County.................. .............. Unclassifiable/

Attainment

Johnson County................ .............. Unclassifiable/

Attainment

Logan County.................. .............. Unclassifiable/

Attainment

Madison County................ .............. Unclassifiable/

Attainment

Marion County................. .............. Unclassifiable/

Attainment

Montgomery County............. .............. Unclassifiable/

Attainment

Newton County................. .............. Unclassifiable/

Attainment

Pike County................... .............. Unclassifiable/

Attainment

Polk County................... .............. Unclassifiable/

Attainment

Scott County.................. .............. Unclassifiable/

Attainment

Searcy County................. .............. Unclassifiable/

Attainment

Stone County.................. .............. Unclassifiable/

Attainment

Van Buren County.............. .............. Unclassifiable/

AttainmentAQCR 022 Shreveport-Texarkana-

Tyler Interstate:

Columbia County............... .............. Unclassifiable/

Attainment

Hempstead County.............. .............. Unclassifiable/

Attainment

Howard County................. .............. Unclassifiable/

Attainment

Lafayette County.............. .............. Unclassifiable/

Attainment

Little River County........... .............. Unclassifiable/

Attainment

Miller County................. .............. Unclassifiable/

Attainment

Sevier County................. .............. Unclassifiable/

Attainment

Memphis, TN-AR: (AQCR 018

Metropolitan Memphis Interstate):

Crittenden County............. .............. Unclassifiable/

Attainment----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 90 days after January 5, 2005, unless otherwise noted.

Arkansas--2012 Annual PM2.5 NAAQS

[Primary]--------------------------------------------------------------------------------------------------------------------------------------------------------

Designation Classification

Designated area \1\ ---------------------------------------------------------------------------------------------------------------

Date \2\ Type Date \2\ Type--------------------------------------------------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas Intrastate:

Chicot County....................... ........... Unclassifiable/Attainment................

Clark County........................ ........... Unclassifiable/Attainment................

Cleveland County.................... ........... Unclassifiable/Attainment................

Conway County....................... ........... Unclassifiable/Attainment................

Dallas County....................... ........... Unclassifiable/Attainment................

Desha County........................ ........... Unclassifiable/Attainment................

Drew County......................... ........... Unclassifiable/Attainment................

Faulkner County..................... ........... Unclassifiable/Attainment................

Garland County...................... ........... Unclassifiable/Attainment................

Grant County........................ ........... Unclassifiable/Attainment................

Hot Spring County................... ........... Unclassifiable/Attainment................

Jefferson County.................... ........... Unclassifiable/Attainment................

Lincoln County...................... ........... Unclassifiable/Attainment................

Lonoke County....................... ........... Unclassifiable/Attainment................

Perry County........................ ........... Unclassifiable/Attainment................

Pope County......................... ........... Unclassifiable/Attainment................

Pulaski County...................... ........... Unclassifiable/Attainment................

Saline County....................... ........... Unclassifiable/Attainment................

Yell County......................... ........... Unclassifiable/Attainment................AQCR 017 Metropolitan Fort Smith

Interstate:

Benton County....................... ........... Unclassifiable/Attainment................

Crawford County..................... ........... Unclassifiable/Attainment................

Sebastian County.................... ........... Unclassifiable/Attainment................

Washington County................... ........... Unclassifiable/Attainment................AQCR 018 Metropolitan Memphis ........... Unclassifiable/Attainment................

Interstate:Crittenden CountyAQCR 019 Monroe-El Dorado Interstate:

Ashley County....................... ........... Unclassifiable/Attainment................

Bradley County...................... ........... Unclassifiable/Attainment................

Calhoun County...................... ........... Unclassifiable/Attainment................

Nevada County....................... ........... Unclassifiable/Attainment................

Ouachita County..................... ........... Unclassifiable/Attainment................

Union County........................ ........... Unclassifiable/Attainment................AQCR 020 Northeast Arkansas Intrastate:

Arkansas County..................... ........... Unclassifiable/Attainment................

Clay County......................... ........... Unclassifiable/Attainment................

Craighead County.................... ........... Unclassifiable/Attainment................

Cross County........................ ........... Unclassifiable/Attainment................

Greene County....................... ........... Unclassifiable/Attainment................

Independence County................. ........... Unclassifiable/Attainment................

Jackson County...................... ........... Unclassifiable/Attainment................

Lawrence County..................... ........... Unclassifiable/Attainment................

Lee County.......................... ........... Unclassifiable/Attainment................

Mississippi County.................. ........... Unclassifiable/Attainment................

Monroe County....................... ........... Unclassifiable/Attainment................

Phillips County..................... ........... Unclassifiable/Attainment................

Poinsett County..................... ........... Unclassifiable/Attainment................

Prairie County...................... ........... Unclassifiable/Attainment................

Randolph County..................... ........... Unclassifiable/Attainment................

St. Francis County.................. ........... Unclassifiable/Attainment................

Sharp County........................ ........... Unclassifiable/Attainment................

White County........................ ........... Unclassifiable/Attainment................

Woodruff County..................... ........... Unclassifiable/Attainment................AQCR 021 Northwest Arkansas Intrastate:

Baxter County....................... ........... Unclassifiable/Attainment................

Boone County........................ ........... Unclassifiable/Attainment................

Carroll County...................... ........... Unclassifiable/Attainment................

Cleburne County..................... ........... Unclassifiable/Attainment................

Franklin County..................... ........... Unclassifiable/Attainment................

Fulton County....................... ........... Unclassifiable/Attainment................

Izard County........................ ........... Unclassifiable/Attainment................

Johnson County...................... ........... Unclassifiable/Attainment................

Logan County........................ ........... Unclassifiable/Attainment................

Madison County...................... ........... Unclassifiable/Attainment................

Marion County....................... ........... Unclassifiable/Attainment................

Montgomery County................... ........... Unclassifiable/Attainment................

Newton County....................... ........... Unclassifiable/Attainment................

Pike County......................... ........... Unclassifiable/Attainment................

Polk County......................... ........... Unclassifiable/Attainment................

Scott County........................ ........... Unclassifiable/Attainment................

Searcy County....................... ........... Unclassifiable/Attainment................

Stone County........................ ........... Unclassifiable/Attainment................

Van Buren County.................... ........... Unclassifiable/Attainment................AQCR 022 Shreveport-Texarkana-Tyler

Interstate:

Columbia County..................... ........... Unclassifiable/Attainment................

Hempstead County.................... ........... Unclassifiable/Attainment................

Howard County....................... ........... Unclassifiable/Attainment................

Lafayette County.................... ........... Unclassifiable/Attainment................

Little River County................. ........... Unclassifiable/Attainment................

Miller County....................... ........... Unclassifiable/Attainment................

Sevier County....................... ........... Unclassifiable/Attainment................--------------------------------------------------------------------------------------------------------------------------------------------------------\1\ Includes areas of Indian country located in each county or area, except as otherwise specified.\2\ This date is April 15, 2015, unless otherwise noted.

Arkansas--1997 24-Hour PM2.5 NAAQS

[Primary and secondary]----------------------------------------------------------------------------------------------------------------

Designation \a\ Classification

Designated area -----------------------------------------------------------------------------

Date \1\ Type Date Type----------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas

Intrastate:

Chicot County................. .............. Unclassifiable/

Attainment

Clark County.................. .............. Unclassifiable/

Attainment

Cleveland County.............. .............. Unclassifiable/

Attainment

Conway County................. .............. Unclassifiable/

Attainment

Dallas County................. .............. Unclassifiable/

Attainment

Desha County.................. .............. Unclassifiable/

Attainment

Drew County................... .............. Unclassifiable/

Attainment

Faulkner County............... .............. Unclassifiable/

Attainment

Garland County................ .............. Unclassifiable/

Attainment

Grant County.................. .............. Unclassifiable/

Attainment

Hot Spring County............. .............. Unclassifiable/

Attainment

Jefferson County.............. .............. Unclassifiable/

Attainment

Lincoln County................ .............. Unclassifiable/

Attainment

Lonoke County................. .............. Unclassifiable/

Attainment

Perry County.................. .............. Unclassifiable/

Attainment

Pope County................... .............. Unclassifiable/

Attainment

Pulaski County................ .............. Unclassifiable/

Attainment

Saline County................. .............. Unclassifiable/

Attainment

Yell County................... .............. Unclassifiable/

AttainmentAQCR 017 Metropolitan Fort Smith

Interstate:

Benton County................. .............. Unclassifiable/

Attainment

Crawford County............... .............. Unclassifiable/

Attainment

Sebastian County.............. .............. Unclassifiable/

Attainment

Washington County............. .............. Unclassifiable/

AttainmentAQCR 019 Monroe-El Dorado

Interstate:

Ashley County................. .............. Unclassifiable/

Attainment

Bradley County................ .............. Unclassifiable/

Attainment

Calhoun County................ .............. Unclassifiable/

Attainment

Nevada County................. .............. Unclassifiable/

Attainment

Ouachita County............... .............. Unclassifiable/

Attainment

Union County.................. .............. Unclassifiable/

AttainmentAQCR 020 Northeast Arkansas

Intrastate:

Arkansas County............... .............. Unclassifiable/

Attainment

Clay County................... .............. Unclassifiable/

Attainment

Craighead County.............. .............. Unclassifiable/

Attainment

Cross County.................. .............. Unclassifiable/

Attainment

Greene County................. .............. Unclassifiable/

Attainment

Independence County........... .............. Unclassifiable/

Attainment

Jackson County................ .............. Unclassifiable/

Attainment

Lawrence County............... .............. Unclassifiable/

Attainment

Lee County.................... .............. Unclassifiable/

Attainment

Mississippi County............ .............. Unclassifiable/

Attainment

Monroe County................. .............. Unclassifiable/

Attainment

Phillips County............... .............. Unclassifiable/

Attainment

Poinsett County............... .............. Unclassifiable/

Attainment

Prairie County................ .............. Unclassifiable/

Attainment

Randolph County............... .............. Unclassifiable/

Attainment

St. Francis County............ .............. Unclassifiable/

Attainment

Sharp County.................. .............. Unclassifiable/

Attainment

White County.................. .............. Unclassifiable/

Attainment

Woodruff County............... .............. Unclassifiable/

AttainmentAQCR 021 Northwest Arkansas

Intrastate:

Baxter County................. .............. Unclassifiable/

Attainment

Boone County.................. .............. Unclassifiable/

Attainment

Carroll County................ .............. Unclassifiable/

Attainment

Cleburne County............... .............. Unclassifiable/

Attainment

Franklin County............... .............. Unclassifiable/

Attainment

Fulton County................. .............. Unclassifiable/

Attainment

Izard County.................. .............. Unclassifiable/

Attainment

Johnson County................ .............. Unclassifiable/

Attainment

Logan County.................. .............. Unclassifiable/

Attainment

Madison County................ .............. Unclassifiable/

Attainment

Marion County................. .............. Unclassifiable/

Attainment

Montgomery County............. .............. Unclassifiable/

Attainment

Newton County................. .............. Unclassifiable/

Attainment

Pike County................... .............. Unclassifiable/

Attainment

Polk County................... .............. Unclassifiable/

Attainment

Scott County.................. .............. Unclassifiable/

Attainment

Searcy County................. .............. Unclassifiable/

Attainment

Stone County.................. .............. Unclassifiable/

Attainment

Van Buren County.............. .............. Unclassifiable/

AttainmentAQCR 022 Shreveport-Texarkana-

Tyler Interstate:

Columbia County............... .............. Unclassifiable/

Attainment

Hempstead County.............. .............. Unclassifiable/

Attainment

Howard County................. .............. Unclassifiable/

Attainment

Lafayette County.............. .............. Unclassifiable/

Attainment

Little River County........... .............. Unclassifiable/

Attainment

Miller County................. .............. Unclassifiable/

Attainment

Sevier County................. .............. Unclassifiable/

AttainmentMemphis, TN-AR: (AQCR 018

Metropolitan Memphis Interstate):

Crittenden County............. .............. Unclassifiable/

Attainment----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 90 days after January 5, 2005, unless otherwise noted.

Arkansas--2006 24-Hour PM2.5 NAAQS

[Primary and secondary]----------------------------------------------------------------------------------------------------------------

Designation \a\ Classification

Designated area -----------------------------------------------------------------------------

Date \1\ Type Date Type----------------------------------------------------------------------------------------------------------------AQCR 016 Central Arkansas

Intrastate:

Chicot County................. .............. Unclassifiable/

Attainment.

Clark County.................. .............. Unclassifiable/

Attainment.

Cleveland County.............. .............. Unclassifiable/

Attainment.

Conway County................. .............. Unclassifiable/

Attainment.

Dallas County................. .............. Unclassifiable/

Attainment.

Desha County.................. .............. Unclassifiable/

Attainment.

Drew County................... .............. Unclassifiable/

Attainment.

Faulkner County............... .............. Unclassifiable/

Attainment.

Garland County................ .............. Unclassifiable/

Attainment.

Grant County.................. .............. Unclassifiable/

Attainment.

Hot Spring County............. .............. Unclassifiable/

Attainment.

Jefferson County.............. .............. Unclassifiable/

Attainment.

Lincoln County................ .............. Unclassifiable/

Attainment.

Lonoke County................. .............. Unclassifiable/

Attainment.

Perry County.................. .............. Unclassifiable/

Attainment.

Pope County................... .............. Unclassifiable/

Attainment.

Pulaski County................ .............. Unclassifiable/

Attainment.

Saline County................. .............. Unclassifiable/

Attainment.

Yell County................... .............. Unclassifiable/

Attainment.AQCR 017 Metropolitan Fort Smith

Interstate:

Benton County................. .............. Unclassifiable/

Attainment.

Crawford County............... .............. Unclassifiable/

Attainment.

Sebastian County.............. .............. Unclassifiable/

Attainment.

Washington County............. .............. Unclassifiable/

Attainment.AQCR 019 Monroe-El Dorado

Interstate:

Ashley County................. .............. Unclassifiable/

Attainment.

Bradley County................ .............. Unclassifiable/

Attainment.

Calhoun County................ .............. Unclassifiable/

Attainment.

Nevada County................. .............. Unclassifiable/

Attainment.

Ouachita County............... .............. Unclassifiable/

Attainment.

Union County.................. .............. Unclassifiable/

Attainment.AQCR 020 Northeast Arkansas

Intrastate:

Arkansas County............... .............. Unclassifiable/

Attainment.

Clay County................... .............. Unclassifiable/

Attainment.

Craighead County.............. .............. Unclassifiable/

Attainment.

Cross County.................. .............. Unclassifiable/

Attainment.

Greene County................. .............. Unclassifiable/

Attainment.

Independence County........... .............. Unclassifiable/

Attainment.

Jackson County................ .............. Unclassifiable/

Attainment.

Lawrence County............... .............. Unclassifiable/

Attainment.

Lee County.................... .............. Unclassifiable/

Attainment.

Mississippi County............ .............. Unclassifiable/

Attainment.

Monroe County................. .............. Unclassifiable/

Attainment.

Phillips County............... .............. Unclassifiable/

Attainment.

Poinsett County............... .............. Unclassifiable/

Attainment.

Prairie County................ .............. Unclassifiable/

Attainment.

Randolph County............... .............. Unclassifiable/

Attainment.

St. Francis County............ .............. Unclassifiable/

Attainment.

Sharp County.................. .............. Unclassifiable/

Attainment.

White County.................. .............. Unclassifiable/

Attainment.

Woodruff County............... .............. Unclassifiable/

Attainment.AQCR 021 Northwest Arkansas

Intrastate:

Baxter County................. .............. Unclassifiable/

Attainment.

Boone County.................. .............. Unclassifiable/

Attainment.

Carroll County................ .............. Unclassifiable/

Attainment.

Cleburne County............... .............. Unclassifiable/

Attainment.

Franklin County............... .............. Unclassifiable/

Attainment.

Fulton County................. .............. Unclassifiable/

Attainment.

Izard County.................. .............. Unclassifiable/

Attainment.

Johnson County................ .............. Unclassifiable/

Attainment.

Logan County.................. .............. Unclassifiable/

Attainment.

Madison County................ .............. Unclassifiable/

Attainment.

Marion County................. .............. Unclassifiable/

Attainment.

Montgomery County............. .............. Unclassifiable/

Attainment.

Newton County................. .............. Unclassifiable/

Attainment.

Pike County................... .............. Unclassifiable/

Attainment.

Polk County................... .............. Unclassifiable/

Attainment.

Scott County.................. .............. Unclassifiable/

Attainment.

Searcy County................. .............. Unclassifiable/

Attainment.

Stone County.................. .............. Unclassifiable/

Attainment.

Van Buren County.............. .............. Unclassifiable/

Attainment.AQCR 022 Shreveport-Texarkana-

Tyler Interstate:

Columbia County............... .............. Unclassifiable/

Attainment.

Hempstead County.............. .............. Unclassifiable/

Attainment.

Howard County................. .............. Unclassifiable/

Attainment.

Lafayette County.............. .............. Unclassifiable/

Attainment.

Little River County........... .............. Unclassifiable/

Attainment.

Miller County................. .............. Unclassifiable/

Attainment.

Sevier County................. .............. Unclassifiable/

Attainment.

Memphis, TN-AR: (AQCR 018

Metropolitan Memphis

Interstate):.

Crittenden County............. .............. Unclassifiable/

Attainment.----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 30 days after November 13, 2009, unless otherwise noted.

Arkansas--NO2 (1971 Annual Standard)------------------------------------------------------------------------

Cannot be

classified

Does not or better

Designated area meet primary than

standards national

standards------------------------------------------------------------------------AQCR 016.................................... ............ XAQCR 017.................................... ............ XAQCR 018.................................... ............ X

AQCR 019.................................... ............ XAQCR 020.................................... ............ XAQCR 021.................................... ............ XAQCR 022.................................... ............ X------------------------------------------------------------------------

Arkansas--NO2 (2010 1-Hour Standard)----------------------------------------------------------------------------------------------------------------

Designation \a\

Designated area ------------------------------------------------------------------

Date \1\ Type----------------------------------------------------------------------------------------------------------------Ashley County................................ ........... Unclassifiable/Attainment.Arkansas County.............................. ........... Unclassifiable/Attainment.Baxter County................................ ........... Unclassifiable/Attainment.Benton County................................ ........... Unclassifiable/Attainment.Boone County................................. ........... Unclassifiable/Attainment.Bradley County............................... ........... Unclassifiable/Attainment.Calhoun County............................... ........... Unclassifiable/Attainment.Carroll County............................... ........... Unclassifiable/Attainment.Chicot County................................ ........... Unclassifiable/Attainment.Clark County................................. ........... Unclassifiable/Attainment.Clay County.................................. ........... Unclassifiable/Attainment.Cleburne County.............................. ........... Unclassifiable/Attainment.Cleveland County............................. ........... Unclassifiable/Attainment.Columbia County.............................. ........... Unclassifiable/Attainment.Conway County................................ ........... Unclassifiable/Attainment.Craighead County............................. ........... Unclassifiable/Attainment.Crawford County.............................. ........... Unclassifiable/Attainment.Crittenden County............................ ........... Unclassifiable/Attainment.Cross County................................. ........... Unclassifiable/Attainment.Dallas County................................ ........... Unclassifiable/Attainment.Desha County................................. ........... Unclassifiable/Attainment.Drew County.................................. ........... Unclassifiable/Attainment.Faulkner County.............................. ........... Unclassifiable/Attainment.Franklin County.............................. ........... Unclassifiable/Attainment.Fulton County................................ ........... Unclassifiable/Attainment.Garland County............................... ........... Unclassifiable/Attainment.Grant County................................. ........... Unclassifiable/Attainment.Greene County................................ ........... Unclassifiable/Attainment.Hempstead County............................. ........... Unclassifiable/Attainment.Hot Spring County............................ ........... Unclassifiable/Attainment.Howard County................................ ........... Unclassifiable/Attainment.Independence County.......................... ........... Unclassifiable/Attainment.Izard Count.................................. ........... Unclassifiable/Attainment.Jackson County............................... ........... Unclassifiable/Attainment.Jefferson County............................. ........... Unclassifiable/Attainment.Johnson County............................... ........... Unclassifiable/Attainment.Lafayette County............................. ........... Unclassifiable/Attainment.Lawrence County.............................. ........... Unclassifiable/Attainment.Lee County................................... ........... Unclassifiable/Attainment.Lincoln County............................... ........... Unclassifiable/Attainment.Little River County.......................... ........... Unclassifiable/Attainment.Logan County................................. ........... Unclassifiable/Attainment.Lonoke County................................ ........... Unclassifiable/Attainment.Madison County............................... ........... Unclassifiable/Attainment.Marion County................................ ........... Unclassifiable/Attainment.Miller County................................ ........... Unclassifiable/Attainment.Mississippi County........................... ........... Unclassifiable/Attainment.Monroe County................................ ........... Unclassifiable/Attainment.Montgomery County............................ ........... Unclassifiable/Attainment.Nevada County................................ ........... Unclassifiable/Attainment.Newton County................................ ........... Unclassifiable/Attainment.Ouachita County.............................. ........... Unclassifiable/Attainment.Perry County................................. ........... Unclassifiable/Attainment.Phillips County.............................. ........... Unclassifiable/Attainment.Pike County.................................. ........... Unclassifiable/Attainment.Poinsett County.............................. ........... Unclassifiable/Attainment.Polk County.................................. ........... Unclassifiable/Attainment.Pope County.................................. ........... Unclassifiable/Attainment.

Prairie County............................... ........... Unclassifiable/Attainment.Pulaski County............................... ........... Unclassifiable/Attainment.Randolph County.............................. ........... Unclassifiable/Attainment.St. Francis County........................... ........... Unclassifiable/Attainment.Saline County................................ ........... Unclassifiable/Attainment.Scott County................................. ........... Unclassifiable/Attainment.Searcy County................................ ........... Unclassifiable/Attainment.Sebastian County............................. ........... Unclassifiable/AttainmentSevier County................................ ........... Unclassifiable/Attainment.Sharp County................................. ........... Unclassifiable/Attainment.Stone County................................. ........... Unclassifiable/Attainment.Union County................................. ........... Unclassifiable/Attainment.Van Buren County............................. ........... Unclassifiable/Attainment.Washington County............................ ........... Unclassifiable/Attainment.White County................................. ........... Unclassifiable/Attainment.Woodruff County.............................. ........... Unclassifiable/Attainment.Yell County.................................. ........... Unclassifiable/Attainment.----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 90 days after October 31, 2011, unless otherwise noted.

Arkansas--1997 8-Hour Ozone NAAQS (Primary and Secondary)----------------------------------------------------------------------------------------------------------------

Designation \a\ Category/classification

Designated area ---------------------------------------------------------------------------

Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------Memphis TN-AR: (AQCR Metropolitan ......... Attainment (\2\)

Memphis Interstate) Crittenden

County.AQCR 016 Central Arkansas Intrastate ......... Unclassifiable/Attainment

(part).

Pulaski CountyAQCR 016 Central Arkansas Intrastate ......... Unclassifiable/Attainment

(remainder of).

Chicot County

Clark County

Cleveland County

Conway County

Dallas County

Desha County

Drew County

Faulkner County

Garland County

Grant County

Hot Spring County

Jefferson County

Lincoln County

Lonoke County

Perry County

Pope County

Saline County

Yell CountyAQCR 017 Metropolitan Fort Smith ......... Unclassifiable/Attainment

Interstate.

Benton County

Crawford County

Sebastian County

Washington CountyAQCR 019 Monroe-El Dorado Interstate ......... Unclassifiable/Attainment

Ashley County

Bradley County

Calhoun County

Nevada County

Ouachita County

Union CountyAQCR 020 Northeast Arkansas ......... Unclassifiable/Attainment

Intrastate.

Arkansas County

Clay County

Craighead County

Cross County

Greene County

Independence County

Jackson County

Lawrence County

Lee County

Mississippi County

Monroe County

Phillips County

Poinsett County

Prairie County

Randolph County

St. Francis County

Sharp County

White County

Woodruff CountyAQCR 021 Northwest Arkansas ......... Unclassifiable/Attainment

Intrastate.

Baxter County

Boone County

Carroll County

Cleburne County

Franklin County

Fulton County

Izard County

Johnson County

Logan County

Madison County

Marion County

Montgomery County

Newton County

Pike County

Polk County

Scott County

Searcy County

Stone County

Van Buren CountyAQCR 022 Shreveport-Texarkana-Tyler ......... Unclassifiable/Attainment

Interstate..

Columbia County

Hempstead County

Howard County

Lafayette County

Little River County

Miller County

Sevier County----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is June 15, 2004, unless otherwise noted.\2\ Effective April 23, 2010.

Arkansas--2008 8-Hour Ozone NAAQS (Primary and secondary)----------------------------------------------------------------------------------------------------------------

Designation Classification

Designated area ---------------------------------------------------------------------------

Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------Memphis, TN-MS-AR \2\ Crittenden ......... Nonattainment ......... Marginal.

County.Rest of State: \3\

Ashley County................... ......... Unclassifiable/Attainment

Arkansas County................. ......... Unclassifiable/Attainment

Baxter County................... ......... Unclassifiable/Attainment

Benton County................... ......... Unclassifiable/Attainment

Boone County.................... ......... Unclassifiable/Attainment

Bradley County.................. ......... Unclassifiable/Attainment

Calhoun County.................. ......... Unclassifiable/Attainment

Carroll County.................. ......... Unclassifiable/Attainment

Chicot County................... ......... Unclassifiable/Attainment

Clark County.................... ......... Unclassifiable/Attainment

Clay County..................... ......... Unclassifiable/Attainment

Cleburne County................. ......... Unclassifiable/Attainment

Cleveland County................ ......... Unclassifiable/Attainment

Columbia County................. ......... Unclassifiable/Attainment

Conway County................... ......... Unclassifiable/Attainment

Craighead County................ ......... Unclassifiable/Attainment

Crawford County................. ......... Unclassifiable/Attainment

Cross County.................... ......... Unclassifiable/Attainment

Dallas County................... ......... Unclassifiable/Attainment

Desha County.................... ......... Unclassifiable/Attainment

Drew County..................... ......... Unclassifiable/Attainment

Faulkner County................. ......... Unclassifiable/Attainment

Franklin County................. ......... Unclassifiable/Attainment

Fulton County................... ......... Unclassifiable/Attainment

Garland County.................. ......... Unclassifiable/Attainment

Grant County.................... ......... Unclassifiable/Attainment

Greene County................... ......... Unclassifiable/Attainment

Hempstead County................ ......... Unclassifiable/Attainment

Hot Spring County............... ......... Unclassifiable/Attainment

Howard County................... ......... Unclassifiable/Attainment

Independence County............. ......... Unclassifiable/Attainment

Izard County.................... ......... Unclassifiable/Attainment

Jackson County.................. ......... Unclassifiable/Attainment

Jefferson County................ ......... Unclassifiable/Attainment

Johnson County.................. ......... Unclassifiable/Attainment

Lafayette County................ ......... Unclassifiable/Attainment

Lawrence County................. ......... Unclassifiable/Attainment

Lee County...................... ......... Unclassifiable/Attainment

Lincoln County.................. ......... Unclassifiable/Attainment

Little River County............. ......... Unclassifiable/Attainment

Logan County.................... ......... Unclassifiable/Attainment

Lonoke County................... ......... Unclassifiable/Attainment

Madison County.................. ......... Unclassifiable/Attainment

Marion County................... ......... Unclassifiable/Attainment

Miller County................... ......... Unclassifiable/Attainment

Mississippi County.............. ......... Unclassifiable/Attainment

Monroe County................... ......... Unclassifiable/Attainment

Montgomery County............... ......... Unclassifiable/Attainment

Nevada County................... ......... Unclassifiable/Attainment

Newton County................... ......... Unclassifiable/Attainment

Ouachita County................. ......... Unclassifiable/Attainment

Perry County.................... ......... Unclassifiable/Attainment

Phillips County................. ......... Unclassifiable/Attainment

Pike County..................... ......... Unclassifiable/Attainment

Poinsett County................. ......... Unclassifiable/Attainment

Polk County..................... ......... Unclassifiable/Attainment

Pope County..................... ......... Unclassifiable/Attainment

Prairie County.................. ......... Unclassifiable/Attainment

Pulaski County.................. ......... Unclassifiable/Attainment

Randolph County................. ......... Unclassifiable/Attainment

St. Francis County.............. ......... Unclassifiable/Attainment

Saline County................... ......... Unclassifiable/Attainment

Scott County.................... ......... Unclassifiable/Attainment

Searcy County................... ......... Unclassifiable/Attainment

Sebastian County................ ......... Unclassifiable/Attainment

Sevier County................... ......... Unclassifiable/Attainment

Sharp County.................... ......... Unclassifiable/Attainment

Stone County.................... ......... Unclassifiable/Attainment

Union County.................... ......... Unclassifiable/Attainment

Van Buren County................ ......... Unclassifiable/Attainment

Washington County............... ......... Unclassifiable/Attainment

White County.................... ......... Unclassifiable/Attainment

Woodruff County................. ......... Unclassifiable/Attainment

Yell County..................... ......... Unclassifiable/Attainment----------------------------------------------------------------------------------------------------------------\1\ This date is July 20, 2012, unless otherwise noted.\2\ Excludes Indian country located in each area, unless otherwise noted.\3\ Includes any Indian country in each county or area, unless otherwise specified.

Arkansas--2008 Lead NAAQS----------------------------------------------------------------------------------------------------------------

Designation for the 2008 NAAQS \a\

Designated area ------------------------------------------------------------------

Date \1\ Type----------------------------------------------------------------------------------------------------------------Whole State.................................. .............. Unclassifiable/Attainment.----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ December 31, 2011 unless otherwise noted. [43 FR 8964, Mar. 3, 1978]

Editorial Note: For Federal Register citations affecting Sec. 81.304, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.