The department completed Missouri's progress report for the Second Regional Haze Planning Period, which demonstrates that Missouri's regional haze plan for the second planning period achieves established goals for visibility improvement and emissions reductions. The department invites the public to review and offer written comments on Missouri's progress report for the Second Regional Haze Planning Period until Jan. 29, 2025.
Written comments may be submitted by mail to Missouri Department of Natural resources, Air Pollution Control Program. ATTN: Air Quality Planning Section Chief, P.O. Box 176, Jefferson City, MO 651102-0176 or by email to apcpsip@dnr.mo.gov. Comments submitted by email are limited to 3 MB in size. Comments larger than 3 MB need to be submitted by mail to the address above or call 573-751-4817 to make other arrangements.
The Second Regional Haze Planning Period 2025 Progress Report addresses Missouri's requirements under 40 CFR 51.308(g), (h) and (i) for the federal Regional Haze Rule. The Regional Haze Rule, codified at 40 CFR part 51, Subpart P, Visibility Protection, is designed to reduce visibility impairment from anthropogenic air pollution in 156 mandatory Class 1 Federal areas. All states must submit progress reports between planning periods to provide updates on the implementation of measures in the states Regional Haze Plan for the applicable planning period.
Missouri has two Class 1 areas: Hercules-Glades Wilderness Area and Mingo National Wildlife Refuge. The progress report evaluates the status of control measures relied upon in Missouri's plan, provides emissions reductions and trends, quantifies visibility progress, identifies any impediments to progress, and assesses the strategy detailed in the plan.