COMMENT PERIOD BEGINS | Regional Haze State Implementation Plan (SIP) Revision and Rulemaking

On Dec. 6, 2022, the public comment period begins for the proposed State Implementation Plan (SIP) Revision: Nonpoint Rules to Supplement Arizona’s 2022 Regional Haze SIP. The comment period ends Jan. 13, 2023.

Public Notice Information

ADEQ proposes to add new sections to Arizona Administrative Code (A.A.C.) Title 18, Chapter 2, Article 13 to incorporate measures intended to reduce emissions of fugitive dust from nonpoint sources in and around the following Federal Class I areas: Chiricahua National Monument and Wilderness Area, Galiuro Wilderness Area, Saguaro National Park (Wilderness Area), and Superstition Wilderness Area.

This action is necessary to provide reasonable progress towards achieving natural visibility conditions at Federal Class I areas under the Federal Regional Haze (RH) Rule. The proposed rules limit emissions from certain dust generating activities at nonresidential construction sites and from paved roads. ADEQ will submit the rules to the U.S. Environmental Protection Agency (EPA) with a request to approve them as a revision to the Arizona SIP.

These rules are a required component of the final State Implementation Plan Revision: Regional Haze Program (2018 – 2028), Aug. 15, 2022, which contained a commitment to submit supplemental nonpoint rules to satisfy federal emissions control requirements | View Regional Haze SIP Planning Page >

Original Published Public Notice | View/Download >
SIP Revision: Nonpoint Rules to Supplement Arizona’s 2022 Regional Haze SIP | View/Download >

Regional Haze Rulemaking Page | View >

You may also review the above documentation in person at any of the following locations: 

  • ADEQ Record Center | Learn How >
  • Flagstaff City-Coconino County Public Library, 300 W. Aspen Ave., Flagstaff, AZ 86001
  • Globe Public Library, 339 S. Broad St., Globe, AZ 85501
  • Joel D Valdez Main Library, 101 N. Stone Ave., Tucson, AZ 85701
  • Sierra Vista Public Library, 2600 E. Tacoma St., Sierra Vista, AZ 85635
  • Yuma Library, 2951 S. 21st Drive, Yuma, AZ 85364

Public Comment Period 

Dates: Dec. 6, 2022 – Jan. 13, 2023

Comments may be submitted as follows:

To ADEQ:
     By Email | Send Email >   
     By Mail (Must be postmarked or received by Jan. 13, 2023):

       ADEQ
       Alex Ponikvar
       Air Quality Division
       1110 W. Washington St.
       Phoenix, AZ 85007

     At Virtual Public Hearing | Jan. 13, 2023, 2 p.m. | View Hearing Information/Register >