Asbestos National Emission Standards for Hazardous Air Pollutants (NESHAP)

The Air Quality department regulates all asbestos renovation and demolition within Maricopa County. This 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:

  • National Emission Standard for Asbestos
  • Regulation III
  • Rule 370, section 301.9 - subpart M

NESHAP Notification Form and Delivery Requirement 

A NESHAP Notification Form shall be completed and postmarked or delivered to the Asbestos NESHAP Coordinator at least 10 business days before beginning regulated asbestos renovation activity, or before beginning any demolition activity of a regulated NESHAP facility even when no asbestos is present.   



To report a complaint regarding asbestos or other air quality violations, contact our hotline at 602-372-2703 or use the online Air Quality Violations Report Form.

Courtesy Site Visits


The department offers courtesy site visits to further assist with program administration. To schedule a courtesy site visit, contact the Asbestos Program Coordinator or the Business Assistance Office.

Contact Us

Contact Phone Email
Asbestos Hot Line 602-506-6708  
Asbestos NESHAP Coordinator 602-859-1928
Business Assistance Office 602-506-5102
Asbestos Notification Permit Technician 602-506-6010
Page reviewed 12 February 2020