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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, 1201 Elm Street, Suite 500, Dallas, Texas 75270; phone: (214) 665-8542, fax: (214) 665-6655 or email: riley.jeffrey@epa.gov

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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.

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