Governing Law and Regulations
Missouri Department of Natural Resources (DNR) Division of Environmental Quality Air Pollution Control Program
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Missouri has developed an air emissions permitting program requiring each source that has the potential to emit an air contaminant above the established thresholds within the state to obtain both a construction permit and an operating permit from DNR. In some cases, construction permits and operating permits may be unified into a single document, as can the respective applications. In addition, major sources are required to comply with the applicable ...