Table 2 - Definitions Crosswalk (Prepared May 30, 2013)

R307-101-2 and R307-401-2 Definitions 

Definitions Existing Location 9/20/1999 Location 9/15/2006 Location Comments

Allowable Emissions R307-1-1 R307-101-2. Definitions R307-101-2. Definitions Action was previously taken on this revision in 73 FR 51222.

Actual Emissions R307-1-1 Not renumbered R307-101-2. Definitions Action was previously taken on this revision in 73 FR 51222.

and R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

Indirect Source R307-1-1 R307-101-2. Definitions R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

This definition was approved in R307-101-2 in 71 FR 7679 (State submittal at page E-5)

This definition was deleted from R307-101-2 in 73 FR 51222.

Best Available Control Technology R307-1-1 R307-101-2. Definitions R307-401-2 This definition was deleted from R307-101-2 in 73 FR 51222.

This definition in R307-401-2 was changed to meet the requirements of the federal definition in 40

CFR 166(a)(12). We are proposing approval of this definition and the renumbering to R307-401-2.

We note the State uses the broader term "air contaminant" in this definition of BACT because it is 

consistant with the applicability used throughout R307-401. 

Vertically Restricted Emissions Release N/A R307-101-2. Definitions R307-410 We are proposing approval and the renumbering of this definition to R307-401-10.

This definition was deleted from R307-101-2 in 73 FR 51222. We note this definition only appears to

apply to the modeling of hazardous air pollutants.

Vertically Unrestricted Emissions Release N/A R307-101-2. Definitions R307-410 We are proposing approval and the renumbering of this definition to R307-401-10.

This definition was deleted from R307-101-2 in 73 FR 51222. We note this definition only appears to

apply to the modeling of hazardous air pollutants.

Air Quality Related Value R307-1-1 R307-101-2. Definitions N/A This definition was deleted from R307-101-2 in 73 FR 51222. Therefore, we are not acting on it in this rulemaking

Significant R307-1-1 Not renumbered R307-405 The second paragraph of this definition was deleted from R307-101-2 in 73 FR 51222. This definition 

appears in federal rules which were IBR'd in 76 FR 41712. Therefore, we are not acting on it in this rulemaking

Baseline Date R307-1-1 R307-101-2. Definitions R307-405 This definition was deleted from R307-101-2 in 73 FR 51222. This definition 

appears in federal rules which were IBR'd in 76 FR 41712. Therefore, we are not acting on it in this rulemaking

Building, Structure, Facility or Installation N/A N/A R307-401-2 The definition in R307-401-2 was changed to be consistent with the federal definition

in 40 CFR 51.166(a)(6). We are proposing approval of this definition.

Construction R307-1-1 R307-101-2. Definitions R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

This definition was approved in R307-101-2 in 73 FR 51222.

Emissions Unit R307-101-2 R307-101-2 R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

This definition was approved in R307-101-2 in 73 FR 51222.

Fugitive Emissions R307-101-2 R307-101-2 R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

This definition was approved in R307-101-2 in 73 FR 51222.

Potential to Emit R307-1-1 R307-101-2 R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

This definition was approved in R307-101-2 in 73 FR 51222.

Secondary Emissions R307-1-1 R307-101-2 R307-401-2 We are only proposing approval for the renumbering of this definition to R307-401-2.

This definition was approved in R307-101-2 in 73 FR 51222.

Stationary Source N/A N/A R307-401-2 We are proposing approval of this definition. The definition "source"

is being separated into two terms: "stationary source" and "building, structure,

facility or installation" to meet the requirements of federal definitions in 40 CFR 51.166(a)(5) and (a)(6)