An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Conformity Adequacy Review: Region 6

State Implementation Plans (SIP) Submissions that EPA has Found Adequate or Inadequate 
Region 6:  Arkansas, Louisiana, New Mexico, Oklahoma, Texas

For more information about adequacy review, return to the main adequacy page.

Contact:  Jeff Riley, U.S. EPA Region 6, Fountain Place 12th Floor, 1445 Ross Avenue, Suite 1200, Dallas, Texas  75202-2733; phone:  (214) 665-8542, fax:  (214) 665-7263 or email:  riley.jeffrey@epa.gov

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Arkansas
Area
Pollutant
SIP Submission
Finding (date budgets apply)
Additional Information/ Comments
Crittenden County 2008 8-hour ozone maintenance plan Adequate (04/25/2016)
81 FR 24030 (printed 4/25/2016)
Budgets found adequate through the SIP approval process
8-hour ozone maintenance plan Adequate (5/22/2009)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
Louisiana
Area
Pollutant
SIP Submission
Finding (date budgets apply)
Additional Information/ Comments
Baton Rouge 2008 8-hour ozone maintenance plan Adequate (07/14/2016)
81 FR 42350 (printed 6/29/16)
Letter 
Budgets found adequate through the adequacy review process
8-hour ozone maintenance plan Adequate (11/30/2011)
FR Notice
Budgets found adequate through SIP approval process.
New Mexico
Area
Pollutant
SIP Submission
Finding (date budgets apply)
Additional Information/ Comments
Albuquerque carbon monoxide limited maintenance plan Adequate (6/13/2005)
FR Notice (PDF)(7 pp, 168 K, published April 14, 2005,  About PDF)
Budgets found adequate through SIP approval process.
maintenance plan Adequate (8/21/2003)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
Texas
Area
Pollutant
SIP
Submission
Finding (date budgets apply)
Additional Information/ Comments
Beaumont - Port Arthur 8-hour ozone maintenance plan Adequate (3/6/2013)
FR Notice
Budgets found adequate through the SIP approval process.
Adequate (4/16/2010)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
Dallas/Fort Worth 2008 8-hour ozone attainment plan Adequate (11/23/2016)

81 FR 78591 (printed 11/8/2016)
Letter

Budgets found adequate through the adequacy review process

reasonable further progress plan
Adequate (1/26/2016)
81 FR 1184 (printed 1/11/2016)
Letter
Budgets found adequate through the adequacy review process
1997 8-hour ozone attainment plan and reasonable further progress plan Adequate (2/19/2013)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
Adequate (4/7/2008)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
5% increment of progress Adequate (6/16/2005)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
El Paso carbon monoxide maintenance plan Adequate (10/3/2008)
FR Notice
Budgets found adequate through the SIP approval process.
Adequacy finding withdrawn (3/26/2007)
FR Notice
Effective date of withdrawal is March 26, 2007.
section 179B international border plan Adequate (11/1/1999)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
Houston - Galveston - Brazoria 2008 8-hour ozone reasonable further progress plan Adequate (6/21/17)
Letter
FR Notice (printed 6/6/17)
Budgets found adequate through the adequacy review process.
1997 8-hour ozone reasonable further progress plan and attainment demonstration Adequate (8/19/2013)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
Adequate (2/9/2011)
Letter
FR Notice
Budgets found adequate through the adequacy review process.
reasonable further progress plan Adequate (4/7/2008)
Letter
FR Notice
Budgets found adequate through the adequacy review process.

Top of Page