DRAFT Hamilton County 2023-2025 PM2.5 Exceptional Events Demo
Program
Air Pollution Programs
Notice Type
Draft State Implementation Plan: Exceptional Events Demonstration
County / Township
HAMILTON
Notice is hereby given that the Director of the Ohio Environmental Protection Agency (Ohio EPA), as required by 40 CFR 58.14, is making the draft of Ohio’s Exceptional Events Demonstration for 2023 and 2025 PM2.5 Episodes in Hamilton County, OH available for a 30-day public comment period. All submitted exceptional events demonstrations are subject to approval by the United States Environmental Protection Agency (U.S. EPA). The draft exceptional events demonstration establishes that PM2.5 episodes in 2023 and 2025 in Hamilton County were driven by smoke from wildfires in Canada and/or Fourth of July holiday celebration-related fireworks displays traveling to and impacting the ambient air quality at the Carthage (39-061-0014) and Cincinnati Near Road (39-061-0048) monitoring sites in Hamilton County, Ohio. Ohio EPA is requesting the exclusion of ambient PM2.5 concentration data measured at the Carthage and Cincinnati near Road monitoring sites in Hamilton County on the specified dates, from regulatory determinations, including calculations of PM2.5 annual design values.
Public Comment Info
The public comment period will run until 10/19/2026 at 5:00 PM.
Ohio EPA is committed to providing access and inclusion and reasonable accommodation in its services, activities, programs, and employment opportunities in accordance with the Americans with Disabilities Act (ADA) and other applicable laws. To request a reasonable accommodation due to a disability, please contact Naquetta V. Porter, ADA, EEO, and Nondiscrimination Coordinator, 440.975.6801 (call or text) or naquetta.porter@epa.ohio.gov, as soon as possible before the event.
Contact Information
*Indicates Required Fields
Thank you for subscribing to the DRAFT Hamilton County 2023-2025 PM2.5 Exceptional Events Demo mailing list.
Program
Air Pollution Programs
Notice Type
Draft State Implementation Plan: Exceptional Events Demonstration
County / Township
HAMILTON
Notice is hereby given that the Director of the Ohio Environmental Protection Agency (Ohio EPA), as required by 40 CFR 58.14, is making the draft of Ohio’s Exceptional Events Demonstration for 2023 and 2025 PM2.5 Episodes in Hamilton County, OH available for a 30-day public comment period. All submitted exceptional events demonstrations are subject to approval by the United States Environmental Protection Agency (U.S. EPA). The draft exceptional events demonstration establishes that PM2.5 episodes in 2023 and 2025 in Hamilton County were driven by smoke from wildfires in Canada and/or Fourth of July holiday celebration-related fireworks displays traveling to and impacting the ambient air quality at the Carthage (39-061-0014) and Cincinnati Near Road (39-061-0048) monitoring sites in Hamilton County, Ohio. Ohio EPA is requesting the exclusion of ambient PM2.5 concentration data measured at the Carthage and Cincinnati near Road monitoring sites in Hamilton County on the specified dates, from regulatory determinations, including calculations of PM2.5 annual design values.
Public Comment Info
The public comment period will run until 10/19/2026 at 5:00 PM.
Ohio EPA is committed to providing access and inclusion and reasonable accommodation in its services, activities, programs, and employment opportunities in accordance with the Americans with Disabilities Act (ADA) and other applicable laws. To request a reasonable accommodation due to a disability, please contact Naquetta V. Porter, ADA, EEO, and Nondiscrimination Coordinator, 440.975.6801 (call or text) or naquetta.porter@epa.ohio.gov, as soon as possible before the event.
Contact Information
*Indicates Required Fields