Search Air Quality Web Site


For guidelines, instructions, regulations, and definitions, see the Asbestos NESHAP brochure.

The Maricopa County Air Quality Department regulates all asbestos renovation and demolition within Maricopa County.

That covers all demolitions and regulated renovation activities containing friable asbestos-containing material greater than or equal to 160 square feet, 260 linear feet, or 35 cubic feet. This is determined by an Asbestos Hazard Emergency Response Act (AHERA) certified asbestos building inspector prior to demolition or renovation.

Regulations governing this program

  • 40 CFR Part 61, subpart M - National Emission Standards for Hazardous Air Pollutants (NESHAP)
  • Maricopa County air pollution control regulations
    • Regulation III
    • Rule 370, section 301.8 - subpart M
    • National Emission Standard for Asbestos

Questions? Please email questions to Asbestos and an Air Quality tech will assist you.

Complaint? This can be done by selecting the link Complaint or by calling (602) 372-2703

Air Quality offers Courtesy Visits to further assist, to schedule contact:

Business Assistance Office (602) 506-5102
Maricopa County's Asbestos NESHAP Coordinator (602) 506-6708
Asbestos Notification Tech (602) 506-6010