Conformity Adequacy Review: Region 7

State Implementation Plans (SIP) Submissions that EPA has Found Adequate or Inadequate
Region 7: Iowa, Kansas, Missouri, and Nebraska

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

Contact: For the Region 7 contact person (name, phone number, email address), see EPA’s Regional Contacts for State and Local Transportation.

Missouri
Area	Pollutant	SIP Submission	Finding (date budgets apply)	Additional Information/ Comments
St. Louis	2008 8-hour ozone	Maintenance plan	FR Notice (6/2018) (pdf) (210 KB) Effective 6/22/2018 Published 6-8-2018 Missouri Letter (5/2018) (pdf) (548.25 KB) May 15, 2018	Budgets found adequate through the adequacy review process
	1997 8-hour ozone	Maintenance plan		The budgets were originally posted for adequacy review on November 17, 2011. Missouri submitted a revised maintenance plan in 2016 for the 1997 ozone NAAQS prior to the completion of this adequacy posting; therefore, we are not finalizing a decision on the adequacy of the motor vehicle emissions budgets in the initial maintenance plan submittal from 2011.
		early progress plan	Adequate (3/19/2014) Letter (3/2014) (pdf) (38.95 KB) October 20, 2013 FR Notice (3/2014) (pdf) (187 KB, published March 5, 2014)	Budgets found adequate through the adequacy review process
		attainment demonstration and reasonable further progress plans	Withdrawn (6/21/2011)
	1997 pm2.5	maintenance plan		The budgets were originally posted for adequacy review on November 17, 2011. Missouri submitted a revised maintenance plan for the 1997 PM2.5 NAAQS prior to the completion of this adequacy posting; therefore, we are not finalizing a decision on the adequacy of the motor vehicle emissions budgets in the initial maintenance plan submittal from 2011.