R307-302-2. Applicability

  (1) R307-302-3 and R307-302-6 shall apply to any solid fuel burning device used to provide comfort heating in PM10 or PM2.5 nonattainment or maintenance areas as defined in 40 CFR 81.345 (July 1, 2011). Collectively, The PM10 and PM2.5 nonattainment and maintenance plan areas are geographically defined as all regions of Salt Lake and Davis counties; all portions of the Cache Valley; all regions in Weber County west of the Wasatch mountain range; all regions of Utah County; in Box Elder County, from the Wasatch mountain range west to the Promontory mountain range and south of Portage; and in Tooele County, from the northernmost part of the Oquirrh mountain range to the northern most part of the Stansbury mountain range and north of Route 199.

  (2) R307-302-4 shall apply only within the city limits of Provo in Utah County.

  (3) R307-302-5 shall apply in all portions of Box Elder, Cache, Davis, Salt Lake, Tooele, Utah and Weber counties.

  (4) The following exemptions apply to R307-302:

  (a) R307-302 does not apply to restaurant and institutional food preparation.

  (b) R307-302 does not apply to commercial and industrial boilers subject to an approval order issued under R307-401.

  (c) R307-302-3 does not apply to sources located above 7,000 feet in elevation within Box Elder, Davis, Salt Lake, Tooele, Utah and Weber counties.

  (d) R307-302 does not apply to firefighting training devices that meet the definition of a solid fuel burning device.