Adopted Rules

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Rule Number and TitleDate AdoptedRule Description
August 9, 2023Sets forth the legal authority for and definitions of terms used in all Maricopa County Air Pollution Control Regulations.
February 15, 1995Describes orders of abatement, civil, and criminal penalties for violations.
November 15, 1993Describes procedures for petitioning for a conditional order similar to a conditional permit.
July 26, 2000Establishes criteria and administrative requirements for emergencies.
September 5, 2001Establishes criteria and administrative requirements for excess emissions.
December 11, 2019Describes types of permits required and issued by the Maricopa County Air Quality Department.
July 26, 2000Increases operating flexibility for Title V and Non-Title V sources by allowing sources the ability to request an emissions cap for a particular pollutant.
December 11, 2019Describes procedures for the generation, certification, and utilization of emission reduction credits for use as offsets.
April 26, 2023
Describes procedures for the voluntary generation, certification, and utilization of mobile source emission reduction credits (MERCs) from captive fleet vehicles for use as offsets.
December 11, 2019Describes Title V permit requirements, application procedures for new Title V sources, and application procedures for modifications to existing Title V sources.
December 11, 2019Describes Non-Title V permit requirements, application procedures for new Non-Title V sources and application procedures for modifications to existing Non-Title V sources.
December 11, 2019Describes procedures for developing and issuing 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 record keeping.
December 11, 2019Describes federal major new source review requirements, which are part of the preconstruction review and permitting program applicable to new or modified major stationary sources in areas designated nonattainment, attainment or unclassifiable.
December 11, 2019Describes minor new source review requirements, which are part of the preconstruction review and permitting program applicable to new or modified minor stationary sources.
June 20, 2007Establishes enforceable procedures for calculating emission reductions of particulate matter at 10 microns or less (PM10) created through the voluntary paving of unpaved public roads that will be used as offsets to meet New Source Review (NSR) requirements
April 26, 2023
Describes continuous source emission monitoring requirements for nitric acid plants, sulfuric acid plants, and fluid bed catalytic cracking units.
August 17, 2022Includes supportive data for good maintenance and operating practices, performance test requirements, and testing criteria of stationary sources.
January 4, 2017Establishes fees for applications, permits, and emissions.
March 12, 2008Describes standards for visible emissions and opacity.
January 27, 2010Establishes limits for the emissions of particulate matter into the ambient air from any property, operations, or activity that may serve as a fugitive dust source.
January 27, 2010Establishes limits for the emissions of particulate matter into the ambient air from open areas, vacant lots, unpaved parking lots, and unpaved roadways which are not regulated by Rule 310 and which are not required to have either a permit or a dust control plan.
April 26, 2023
[RESCINDED]
Describes emission rates based on process weight applicable to any affected operations not subject to Rule 316.
July 2, 2003Establishes limits for particulate emissions from abrasive blasting operations.
May 9, 2012Describes standards for incinerators that are used for refuse disposal and limits particulate emissions from incinerator burning.
October 23, 2019Establishes limits for the emissions of air contaminants produced from outdoor fires and commercial / institutional solid fuel burning.
November 17, 1999Establishes limits for the emissions of particulate matter to the atmosphere from spray coating operations.
November 07, 2018Establishes limits for the emissions of particulate matter into the ambient air from any nonmetallic mining operation or rock product processing plant.
December 13, 2017
[RESCINDED]		Establishes limits for the emissions of air pollutants from medical waste incinerators.
April 21, 1999Describes standards for approval of residential woodburning devices.
November 19, 2003Establishes limits for the emissions of particulate matter from ginning operations.
July 2, 2003Establishes limits for the emissions of odors and other gaseous air contaminants into the atmosphere.
September 28, 2022Establishes limits for the emissions of nonmethane organic compounds from municipal solid waste landfills.
June 23, 2021Establishes limits for the discharge of nitrogen oxides, sulfur oxides, particulate matter and carbon monoxide emissions into the atmosphere from stationary fossil-fuel-fired electric utility stationary gas turbines, stationary fossil-fuel-fired electric utility steam generating units, and stationary fossil-fuel-fired cogeneration steam generating units and limits particulate matter emissions from cooling towers associated with this equipment.
June 23, 2021Establishes limits for the discharge of nitrogen oxides, sulfur oxides, carbon monoxide, and particulate matter emissions into the atmosphere from fuel burning combustion units at industrial and/or commercial and/or institutional sources.
June 23, 2021Establishes limits for the emissions of carbon monoxide, nitrogen oxides, sulfur oxides, volatile organic compounds, and particulate matter from stationary reciprocating internal combustion engines.
December 13, 2017
[RESCINDED]		Establishes limits for particulate matter emissions from the use of tunnel kilns for curing in the brick and structural clay product (BSCP) manufacturing processes.
September 25, 2013Establishes limits for the emissions of volatile organic compounds (VOCs) into the atmosphere that may result from the use of organic solvents or processes that emit VOCs.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from solvent cleaning operations.
November 20, 1996
[RESCINDED]		Established limits for the emissions of perchloroethylene used in dry cleaning.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from petroleum solvents used in dry cleaning.
December 13, 2017
[RESCINDED]		Establishes limits for the emissions of Volatile Organic Compounds from natural and synthetic rubber adhesives used in the manufacture of non-inflatable rubber balls.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from architectural coatings.
September 1, 2021Establishes limits for the emissions of Volatile Organic Compounds from surface coating operations and industrial adhesive application processes.
August 17, 2011Establishes limits for the emissions of Volatile Organic Compounds to ambient air from graphic arts operations and associated coating processes.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from semiconductor manufacturing.
December 13, 2017
[RESCINDED]		Establishes limits for the emissions of Volatile Organic Compounds from the extraction of vegetable oil using solvents.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from the use of cutback and emulsified asphalt and other bitumens.
September 25, 2013Establishes limits for the amount of Volatile Organic Compounds emitted by metal investment casting facilities.
November 2, 2016Establishes limits for the emissions of Volatile Organic Compounds from the surface preparation and coating of wood furniture and fixtures.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from bread ovens at commercial bread bakeries.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds into the ambient air from automotive windshield washer fluid products.

November 2, 2016Establishes limits for the emissions of Volatile Organic Compounds from the surface preparation and coating of highway vehicles and mobile equipment.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from the surface preparation and coating of wood millwork.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from the organic materials used in molds made of sand in which ferrous metals are cast.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from the manufacture and rework of aerospace vehicles and their components.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from pharmaceutical, cosmetic and vitamin manufacturing operations.
November 18, 2020Establishes limits for the emissions of Volatile Organic Compounds from organic liquids (non-gasoline) during the storage and transfer of an organic liquid at an organic liquid distribution facility.
November 18, 2020Establishes limits for the emissions of Volatile Organic Compounds from gasoline during the storage and loading of gasoline at bulk gasoline plants and at bulk gasoline terminals.
November 18, 2020Establishes limits for the emissions of Volatile Organic Compounds from gasoline cargo tanks.
November 18, 2020Establishes limits for the emissions of Volatile Organic Compounds during storage and loading of gasoline at a gasoline dispensing facility.
September 25, 2013Establishes limits for the emissions of Volatile Organic Compounds from the manufacturing of expanded-polystyrene products
November 1, 2023
Describes acceptable design and performance criteria for specified new or modified emission sources.
November 1, 2023

Describes emission standards for federally listed hazardous air pollutants.

November 1, 2023
Incorporates by reference the Acid Rain federal regulations in order to obtain delegated authority to enforce portions of the Clean Air Act Amendments of 1990 (CAAA).
February 1, 2017
[RESCINDED]		Describes Maricopa County's program for the regulation of hazardous air pollutants (HAPs)
November 15, 1993Describes procedures that shall apply to all hearings before the hearing board.
February 3, 2016
[RESCINDED]		Describes criteria used to classify an attainment area and pollution standards for attainment areas.
December 11, 2019Describes ambient air quality standards that are necessary to protect human health and public welfare.
December 8, 2021Describes criteria used to determine air pollution emergency episodes and the appropriate control actions.
July 13, 1988Describes procedures used to convert gaseous monitoring data.
April 26, 2023
Describes the standard permit application form and filing instructions.
March 26, 2008Describes methods to visually determine opacity of emissions from unpaved roads, unpaved haul/access roads, unpaved parking lots, and sources for time-averaged regulations. Also gives test methods for dust stabilization.
February 3, 2016
[RESCINDED]		List of Insignificant Activities.
February 3, 2016
[RESCINDED]		List of Trivial Activities.
April 7, 2004Describes soil designations in Maricopa County

November 1, 2023
Consolidates incorporated by reference materials.
February 1, 2017
[RESCINDED]		Describes procedures for the development of health-based ambient air concentrations for conducting a Risk Management Analysis (RMA) associated with Rule 372
Ordinance TitleDate Adopted or AmendedOrdinance Description
November 18, 2020Describes the requirements of the Travel Reduction Program.
June 26, 2002Describes restrictions for diesel idling.
February 20, 2008Describes restrictions for leaf blowers in incorporated and unincorporated sections of Area A in Maricopa County.
October 23, 2019Describes restrictions for residential burning.
January 12, 2011Describes restrictions for vehicle parking and use on unstabilized vacant lots in unincorporated sections of Area A in Maricopa County.
January 12, 2011Describes restrictions for operating vehicles on unpaved property in unincorporated areas of Maricopa County.
February 23, 2022 Describes restrictions for fireworks in Maricopa County.
Page reviewed 01 November 2023