Arizona Administrative Code › Title 18 - ENVIRONMENTAL QUALITY › Chapter 2 - DEPARTMENT OF ENVIRONMENTAL - QUALITY AIR POLLUTION CONTROL › Article 3 - PERMITS AND PERMIT REVISIONS › Section R18-2-301 - Definitions

Current through Register Vol. 30, No. 28, July 12, 2024
The following definitions apply to this Article:
1. "Alternative method" means any method of
				sampling and analyzing for an air pollutant which is not a reference or
				equivalent method but which has been demonstrated to produce results adequate
				for the Director's determination of compliance in accordance with
				R18-2-311(D).
2. "Billable permit
				action" means the issuance or denial of a new permit, significant permit
				revision, or minor permit revision, or the renewal of an existing
				permit.
3. "Capacity factor" means
				the ratio of the average load on a machine or equipment for the period of time
				considered to the capacity rating of the machine or equipment.
4. "CEM" means a continuous emission
				monitoring system as defined in
				R18-2-101.
5. "Complete" means, in reference to an
				application for a permit, permit revision or registration, that the application
				contains all the information necessary for processing the application.
				Designating an application complete for purposes of a permit, permit revisions
				or registration processing does not preclude the Director from requesting or
				accepting any additional information.
6. "Dispersion technique" means any technique
				which attempts to affect the concentration of a pollutant in the ambient air by
				any of the following:
a. Using that portion of
				a stack which exceeds good engineering practice stack height;
b. Varying the rate of emission of a
				pollutant according to atmospheric conditions or ambient concentrations of that
				pollutant; or
c. Increasing final
				exhaust gas plume rise by manipulating source process parameters, exhaust gas
				parameters, stack parameters, or combining exhaust gases from several existing
				stacks into one stack; or other selective handling of exhaust gas streams so as
				to increase the exhaust gas plume rise. This shall not include any of the
				following:
i. The reheating of a gas stream,
				following use of a pollution control system, for the purpose of returning the
				gas to the temperature at which it was originally discharged from the facility
				generating the gas stream.
ii. The
				merging of exhaust gas streams under any of the following conditions:
(1) The source owner or operator demonstrates
				that the facility was originally designed and constructed with such merged gas
				streams;
(2) After July 8, 1985,
				such merging is part of a change in operation at the facility that includes the
				installation of pollution controls and is accompanied by a net reduction in the
				allowable emissions of a pollutant, applying only to the emission limitation
				for that pollutant; or
(3) Before
				July 8, 1985, such merging was part of a change in operation at the facility
				that included the installation of emissions control equipment or was carried
				out for sound economic or engineering reasons. Where there was an increase in
				the emission limitation or, in the event that no emission limitation was in
				existence prior to the merging, an increase in the quantity of pollutants
				actually emitted prior to the merging, the reviewing agency shall presume that
				merging was significantly motivated by an intent to gain emissions credit for
				greater dispersion. Absent a demonstration by the source owner or operator that
				merging was not significantly motivated by such intent, the reviewing agency
				shall deny credit for the effects of such merging in calculating the allowable
				emissions for the source.
iii. Smoke management in agricultural or
				silvicultural prescribed burning programs.
iv. Episodic restrictions on residential
				woodburning and open burning.
v.
				Techniques which increase final exhaust gas plume rise where the resulting
				allowable emissions of sulfur dioxide from the facility do not exceed 5,000
				tons per year.