EPA Finds Adequacy Status for Metro-East St. Louis Ozone Nonattainment Area

Summary

The Environmental Protection Agency (EPA) has determined that the motor vehicle emissions budgets for volatile organic compounds (VOCs) and oxides of nitrogen (NOx) in the Illinois portion of the St. Louis area are adequate for use in transportation conformity determinations, following the submission of a 2008 Ozone Standard maintenance plan by Illinois on May 8, 2017.