Fugitive dust is particles of soil, ash, coal, minerals, etc., which become airborne due to wind or manmade activities like unpaved haul roads or construction and demolition activities. This dust contributes particulate matter (PM) emissions to the atmosphere, and must be minimized in order to meet National Ambient Air Quality Standards (NAAQS). The regulations described below are for the following areas of the state:
- all regions of Salt Lake and Davis counties
- all portions of the Cache Valley
- all regions in Weber and Utah counties west of the Wasatch mountain range
- in Box Elder County, from the Wasatch mountain range west to the Promontory mountain range and south of Portage
- in Tooele County, from the northernmost part of the Oquirrh mountain range to the northernmost part of the Stansbury mountain range and north of Route 199.