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Maricopa County — Formal (2023-12-06)

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230-1 
MARICOPA COUNTY 
AIR POLLUTION CONTROL REGULATIONS 
REGULATION II – PERMITS AND FEES 
RULE 230 
GENERAL PERMITS 
INDEX 
SECTION 100 – GENERAL 
101 
PURPOSE 
102 
APPLICABILITY 
SECTION 200 – DEFINITIONS 
201 
SIMILAR IN NATURE 
SECTION 300 – STANDARDS 
301 
RULES APPLICABLE TO A GENERAL PERMIT 
302 
GENERAL PERMIT DEVELOPMENT 
303 
APPLICATION FOR AUTHORITY TO OPERATE UNDER GENERAL 
PERMIT 
304 
PUBLIC NOTICE 
305 
SOURCES FOR WHICH A GENERAL PERMIT MAY NOT BE ISSUED 
306 
GENERAL PERMIT RENEWAL 
307 
RELATIONSHIP TO INDIVIDUAL PERMITS 
308 
GENERAL PERMIT VARIANCE FOR ANY NON-FEDERALLY 
ENFORCEABLE REQUIREMENT OF A PERMIT 
309 
GENERAL PERMIT APPEALS 
310 
REVOCATIONS OF AUTHORITY TO OPERATE 
311 
CHANGES TO FACILITIES GRANTED AUTHORITY TO OPERATE 
UNDER GENERAL PERMIT 
SECTION 400 – ADMINISTRATIVE REQUIREMENTS (NOT APPLICABLE) 
SECTION 500 – MONITORING AND RECORDS (NOT APPLICABLE)

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Adopted 11/15/1993; Revised 02/15/1995; Revised 06/06/2007; Revised 02/03/2016; Revised 
12/11/2019 
MARICOPA COUNTY 
AIR POLLUTION CONTROL REGULATIONS 
REGULATION II – PERMITS AND FEES 
RULE 230 
GENERAL PERMITS 
SECTION 100 – GENERAL 
101 
PURPOSE: To allow for the issuance of General permits for a facility class that contains a 
large number of sources that are similar in nature, have substantially similar emissions, and 
would be subject to the same or substantially similar requirements governing operations, 
emissions, monitoring, reporting, or recordkeeping. 
102 
APPLICABILITY: 
102.1 
A General permit may only be issued to a stationary source in a facility class. 
102.2 This rule provides the authority and requirements the Control Officer must meet to 
issue General permits for a facility class. 
102.3 The Control Officer may issue a General permit for any facility class that is determined 
to be appropriate for a General permit, in accordance with the requirements of this rule. 
102.4 This rule provides the requirements a stationary source must meet to obtain authority 
to operate under a General permit issued by the Control Officer. 
SECTION 200 – DEFINITIONS: For the purpose of this rule, the following definition shall apply, 
in addition to those definitions found in Rule 100-General Provisions and Definitions of these rules. 
In the event of any inconsistency between any of the Maricopa County Air Pollution Control 
Regulations, the definitions in this rule take precedence. 
201 
SIMILAR IN NATURE: Refers to facility size, processes and operating conditions. 
SECTION 300 – STANDARDS 
301 
RULES APPLICABLE TO A GENERAL PERMIT: Unless otherwise stated, the 
provisions of Rule 200-Permit Requirements, Rule 210-Title V Permit Provisions, Rule 220-
Non-Title V Permit Provisions, Rule 241-Minor New Source Review (NSR), Rule 245 -
Continuous Source Emission Monitoring, Rule 270-Performance Tests, and Rule 400-
Procedure Before the Hearing Board shall apply to General permits. 
302 
GENERAL PERMIT DEVELOPMENT: 
302.1 The Control Officer may issue a General permit on his own initiative or in response to 
a petition. At the time the Control Officer issues a General permit, the Control Officer 
may also establish a specific application with filing instructions for sources in the facility 
class covered by the General permit.

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302.2 Any person may submit a petition to the Control Officer requesting the issuance of a 
General permit for a defined class of facilities. The petition shall propose a particular 
facility class , shall list the approximate number of facilities in the proposed class along 
with their size, processes and operating conditions, and shall demonstrate how the 
facility class meets the criteria for a General permit as specified in Sections 100 and 301 
through 303 of this rule and in A.R.S. § 49-426(H). The Control Officer shall provide a 
written response to the petition within 120 days of receipt. 
302.3 A General permit shall be issued for a facility class using the same engineering technical 
review process that applies to permits for individual sources and following the public 
notice requirements of Section 304 of this rule. 
302.4 A General permit shall include all of the following: 
a. General permits issued for Title V sources shall contain all elements in Rule 210-
Title V Permit Provisions, Section 302.1-Permit Contents of these rules except 
Sections 302.1(b)(2) and 302.1(f). 
b. General permits issued for Non-Title V sources shall contain all elements in Rule 
220-Non-Title V Permit Provisions, Section 302-Permit Contents of these rules. 
c. The process for individual sources to apply for authority to operate under the 
General permit. 
302.5 A source applying for authority to operate under a General permit shall not propose 
nor accept pursuant to Rule 220-Non-Title V Permit Provisions of these rules 
emissions limitations, controls, or other requirements that are not included in the 
specific General permit. 
302.6 General permits developed by the Control Officer shall require both of the 
following: 
a. Installation and operation of reasonably available control technology (RACT) as 
determined by Rule 241, Section 307.1 of these rules. 
b. Compliance with standards/requirements promulgated pursuant to Sections 111 
or 112 of the Act as applicable. 
303 
APPLICATION FOR AUTHORITY TO OPERATE UNDER GENERAL PERMIT: 
303.1 Once the Control Officer has issued a General permit, any source which is a member 
of the class of facilities covered by the General permit may apply to the Control Officer 
for authority to operate under the General permit. Applicants shall complete the 
specific application form, or if none has been adopted, the standard application form. 
The specific application form shall, at a minimum, require the applicant to submit 
information identifying and describing the source, its processes and operating 
conditions in sufficient detail to allow the Control Officer to determine qualification for 
and to assure compliance with the General permit. 
303.2 For sources required to obtain a permit under Title V of the Act, the Control Officer 
shall provide the Administrator with a permit application summary form and any 
relevant portion of the permit application and compliance plan. To the extent possible, 
this information shall be provided in computer readable format compatible with the 
Administrator's national database management system.

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303.3 The Control Officer shall act on the application for authority to operate under a 
General permit as expeditiously as possible. The source may operate under the terms of 
the applicable General permit 7 days after the application is submitted, if the 
application shows that the source qualifies for and is in compliance with the specific 
General permit. The Control Officer may defer acting on an application under this rule, 
if the Control Officer has provided notice of intent to renew or not to renew the permit 
for the facility class. 
303.4 The Control Officer shall make available to the public a monthly summary of all 
applications received for authority to operate under a General permit. 
304 
PUBLIC NOTICE: 
304.1 The Control Officer shall provide public notice for any proposed General permit, for 
any revision of an existing General permit, and for renewal of an existing General 
permit. 
304.2 The Control Officer shall publish notice of the proposed General permit once each 
week for two consecutive weeks in a newspaper of general circulation within Maricopa 
County. The notice shall describe the following: 
a. The proposed General permit. 
b. The category of sources that would be affected. 
c. The air contaminants which the Control Officer expects to be emitted by a typical 
source in the facility class and by facility class as a whole. 
d. The Control Officer's proposed actions and effective date for the actions. 
e. Locations where documents relevant to the proposed General permit will be 
available during normal business hours. 
f. The name, address, and telephone number of a person within the Department who 
may be contacted for further information. 
g. The address where any person may submit comments and/or request a public 
hearing and the date and time by which comments or public hearing request are 
required to be received. 
h. The process by which sources may obtain authorization to operate under the 
General permit. 
304.3 For General permits under which operation may be authorized in lieu of individual 
source permits issued under Rule 210-Title V Permit Provisions of these rules, the 
Control Officer shall give notice of the proposed General permit to each affected state 
at the same time that the Control Officer publishes notice of the proposed General 
permit in a newspaper as specified in Section 304.2 of this rule. The Control Officer 
shall provide the proposed final permit to the Administrator after public and affected 
state review. No Title V permit shall be issued if the Administrator properly objects to 
its issuance in writing within 45 days from receipt of the proposed final permit and any 
necessary supporting information from the Control Officer. 
304.4 The Control Officer shall provide at least 30 days from the date of the first notice 
described in Section 304.3 of this rule for public comment.

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304.5 Written comments to the Control Officer shall include the name of the person and the 
person's agent or attorney and shall clearly set forth reasons why the General permit 
should or should not be issued. 
304.6 At the time a General permit is issued, the Control Officer shall make available a 
response to all relevant comments on the proposed permit raised during the public 
comment period and during any requested public hearing. The response shall specify 
which provisions, if any, of the proposed permit have been changed and the reason for 
the changes. The Control Officer shall also notify in writing any petitioner and each 
person who has submitted written comments on the proposed permit or requested 
notice of the final permit decision. 
305 
SOURCES FOR WHICH A GENERAL PERMIT MAY NOT BE ISSUED: A General 
permit shall not be issued to a facility class if that facility class has been issued a General permit 
by the Director of the Arizona Department of Environmental Quality for sources in Maricopa 
County pursuant to Arizona Revised Statutes § 49-426(H). 
306 
GENERAL PERMIT RENEWAL: 
306.1 The Control Officer shall review and may renew General permits every five years or 
sooner, if warranted. When renewing a General permit, the Control Officer shall ensure 
that the General permit meets all of the applicable requirements in accordance with this 
rule. 
306.2 A source's authorization to operate under a General permit shall expire when the 
General permit expires regardless of when the authorization began during the five year 
period, except as provided in Section 311.3 of this rule. 
306.3 At the time a General permit is renewed, the Control Officer shall notify in writing 
all sources that were granted authority to operate under the previous General permit 
and shall require such sources to submit a timely renewal application. For purposes 
of General permits, a timely application is one that is submitted within the time-
frame specified by the Control Officer in the written notification. Failure to submit a 
timely application terminates the source’s right to operate. If a source submits a 
timely and complete application for a permit renewal, but the Control Officer has 
failed to issue or deny the renewal General permit before the end of the term of the 
previous General permit, then the General permit shall not expire until the General 
permit renewal has been issued or denied. 
307 
RELATIONSHIP TO INDIVIDUAL PERMITS: Any source with authority to operate 
under a General permit may request to be excluded from such authority to operate by applying 
for an individual source permit. Authority to operate under the General permit shall terminate 
on the date the individual source permit is issued. 
308 
GENERAL PERMIT VARIANCE FOR ANY NON-FEDERALLY 
ENFORCEABLE REQUIREMENT OF A PERMIT: 
308.1 Except as modified by the variance, the source shall comply with all conditions of the 
General permit.

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308.2 Applications and approvals of General permit variances shall be subject to the public 
notice requirements of Rule 210-Title V Permit Provisions of these rules. 
309 
GENERAL PERMIT APPEALS: Any person who filed a comment on a proposed General 
permit as provided in Section 304 of this rule may appeal the terms and conditions of a General 
permit, as they apply to the facility class covered under a General permit, by filing an appeal 
with the hearing board within ten days of issuance of the General permit. 
310 
REVOCATIONS OF AUTHORITY TO OPERATE: 
310.1 
The Control Officer may require a source authorized to operate under a General permit 
to apply for and to obtain an individual source permit at any time if: 
a. The Control Officer has determined that the source is not in compliance with the 
terms and conditions of the General permit; or 
b. The Control Officer has determined that the emissions from the source or facility 
class are significant contributors to ambient air quality standard violations which are 
not adequately addressed by the requirements in the General permit; or 
c. The Control Officer has information which indicates that the effects on human 
health and the environment from the sources covered under the General permit are 
unacceptable. 
310.2 The Control Officer shall provide a written explanation to all sources operating under a 
General permit at least 12 months prior to termination or cancellation of a General 
permit. At least six months prior to the date of termination or cancellation of a General 
permit, sources operating under such General permit shall submit an application for an 
individual source permit to the Control Officer. Each source previously authorized to 
operate under such General permit may operate under the terms of such General 
permit, until the individual source permit is approved by the Control Officer. 
311 
CHANGES TO FACILITIES GRANTED AUTHORITY TO OPERATE UNDER 
GENERAL PERMIT: 
311.1 
An owner or operator of a source that has been granted authority to operate under a 
General permit may make the following changes at the source only after the owner 
or operator provides written notification to the Control Officer and only if such 
changes do not require the owner or operator to obtain a Title V or a Non-Title V 
permit: 
a. Adding new emissions units of the same type operating under a General permit 
issued to the source. 
b. Installing a replacement emissions unit operating under a General permit issued 
to the source. 
c. Adding or replacing air pollution control equipment operating under a General 
permit issued to the source. 
311.2 Notification Required: The written notification required by Section 311.1 of this 
rule shall include: 
a. When the proposed change will occur;

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b. A description of the change; and 
c. Any change in potential emissions of regulated air pollutants. 
311.3 
An owner or operator of a source that has been granted authority to operate under a 
General permit shall keep a record of any physical change or change in the method 
of operation that could affect emissions. The record shall include a description of the 
change and the date the change occurred. 
SECTION 400 – ADMINISTRATIVE REQUIREMENTS (NOT APPLICABLE) 
SECTION 500 – MONITORING AND RECORDS (NOT APPLICABLE)