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Final Guidance on the Preparation of Exceptional Events Demonstrations for Wildfire Events that May Influence Ozone Concentrations

The EPA Headquarters and EPA Regional offices collaborated in the development of this guidance to assist air agencies preparing exceptional events demonstrations for wildfire influences on ozone concentrations that mee the requirements of Clean Air Act section 319(b) and the Exceptional Events Rule signed on September 16, 2016.

Final Guidance on the Preparation of Exceptional Events Demonstrations for Wildfire Events that May Influence Ozone Concentrations (pdf) (1.5 MB, 9/16/2016, EPA-457/B-16-001)

Final Guidance on the Preparation of Exceptional Events Demonstrations for Wildfire Events that May Influence Ozone Concentrations

Air Quality Analysis