Air Quality Archive

Enhanced Regulatory Outreach Program Archive Listing

The Maricopa County Board of Supervisors adopted the following regulations in accordance with the Enhanced Regulatory Outreach Program policy in an effort to promote consistency and transparency among regulatory departments. The Maricopa County Air Quality Department has undertaken significant efforts since 2012 toward regulatory reform.
Item Number
Item Name
AQ-2017-010 New Source Review (NSR) Rules The MCAQD revised the New Source Review (NSR) rules to remedy deficiencies identified by the EPA. The following rules are included in this rulemaking: Rule 100 (General Provisions and Definitions), Rule 200 (Permit Requirements), Rule 210 (Title V Permit Provisions), Rule 220 (Non-Title V Permit Provisions), Rule 230 (General Permits), Rule 240 (Federal Major New Source Review (NSR)) and Rule 241 (Minor New Source Review (NSR)).
AQ-2017-010 Rule 510 Air Quality Standards The MCAQD revised Rule 510 (Air Quality Standards) to provide the public with an updated list of primary and secondary ambient air quality standards that are applicable within Maricopa County. This updated list of primary and secondary ambient air quality standards aligns Rule 510 with the portions of A.A.C. R18-2-201 through 206 (Ambient Air Quality Standards) and 40 CFR 50 (National Primary and Secondary Ambient Air Quality Standards) that are applicable within Maricopa County; some sections of these regulations are not applicable within Maricopa County because Maricopa County has been designated as attainment or unclassifiable and the standards have been revoked for areas with those designations. This list of air quality standards will be used by businesses and the public to determine when Prevention of Significant Deterioration (PSD) requirements are applicable to a proposed source or a proposed modification.
AQ-2017-011 Rule 204 Emission Reduction Credit (ERC) Generation, Certification, and Use The MCAQD revised Rule 204 to include provisions for the generation, certification, and utilization of emission reduction credits from nontraditional sources that use private truck stop electrification, electric standby equipped transport refrigeration units, and electrified onsite equipment to generate emission reduction credits. The MCAQD also made revisions to align the rule with the revisions made to the Arizona Emissions Bank rules by the ADEQ.
AQ-2017-012 Rule 314 (Outdoor Fires and Commercial / Institutional Solid Fuel Burning)
The Maricopa County Air Quality Department (MCAQD) revised Rule 314 to clarify the applicability and requirements of Rule 314, define cooking, restrict the size of fires used for cooking, require that fires ignited for cooking during a restricted burn period be extinguished once the food is suitable for human consumption, require the use of seasoned wood in fireplaces, woodstoves, and chimineas at commercial and institutional establishments and in outdoor fires ignited for these specific purposes: to provide warmth for human beings; for recreational purposes; for branding of animals; for cooking; for proper disposal of the flag of the United States in accordance with 4 U.S.C. § 8. Revised Rule 314 to also incorporate existing MCAQD policies related to firefighter training during restricted burn periods and agricultural flame cultivation, and make other changes to ensure that the revised rule can be approved into the Arizona SIP.
AQ-2019-001 Incorporation By Reference The incorporation of federal standards into Maricopa County Air Pollution Control Regulations Rule 360 (New Source Performance Standards), Rule 370 (Federal Hazardous Air Pollutant Program), Rule 371 (Acid Rain), and Appendix G (Incorporated Materials). The incorporation was adopted by the BOS on October 23, 2019 and take immediate effect.
AQ-2019-002 P-26 (Residential Burning Restrictions Ordinance)
The Maricopa County Air Quality Department (MCAQD) revised Ordinance P–26 to clarify which fires at residential locations are subject to Ordinance P–26 and to clarify the requirements that are applicable to residential burning. The rule was also revised to update the methods that the MCAQD will use to notify the public when a restricted burn period has been declared and to align the penalties for violations of the ordinance with penalties specified in A.R.S. § 11-871. Other changes were made to ensure that the revised ordinance can be approved into the Arizona SIP.

Citizen Feedback

The Air Quality Department is committed to providing multiple opportunities for stakeholder input regarding the adoption and amendment of all regulatory requirements. In the event the Department fails to observe adoption procedures pertaining to Maricopa County's Enhanced Regulatory Outreach Program policy, citizens can submit a complaint.