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Guidance on the Preparation of Demonstrations in Support of Requests to Exclude Ambient Air Quality Data Influenced by High Wind Dust Events Under the 2016 Exceptional Events Rule

This document is intended to assist air agencies in preparing demonstrations for high winds dust events that meet the requirements of the Exceptional Events Rule. The document is a comprehensive update of the 2013 Interim Guidance for High Wind Dust Events.

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Guidance on the Preparation of Demonstrations in Support of Requests to Exclude Ambient Air Quality Data Influenced by High Wind Dust Events Under the 2016 Exceptional Events Rule (PDF)(61 pp, 802 K, 4/4/2019)