Air Quality Division | Site/Facility of Interest

Aluminum Dynamics, Inc.

Revised On: Feb. 18th, 2026 - 10:21 am

This site/facility of interest online resource provides interested parties easy access to permits and documents for Aluminum Dynamics, Inc. (ADI).

Air Quality Permitting

On Feb. 18, 2026, ADEQ issued Permit No. 106233 to ADI.

Final Air Quality Permit | View Permit >
Technical Support Document | View TSD >
Responsiveness Summary | View Summary >
ADEQ Response Letter to EPA Comments | View Letter >

Community Engagement

In May 2025, ADEQ provided the City of Benson with a community update about ADI that was mailed to customers with their utility bill | View May Mailer >
In July 2025, ADEQ provided the City of Benson with a community update about ADI that was mailed and sent electronically to customers with their utility bill | View July Mailer >
ADEQ held an informal community meeting on July 28, 2025, from 6 – 9 p.m. at the Benson School District Cafeteria/Multi Purpose Building, 360 S. Patagonia Street Benson, AZ 85602. ADEQ staff explained the permitting process and the environmental protection that the permit will deliver. The meeting also involved an informal question and answer session. Please note that questions raised orally at the community meeting were not considered formal public comment. Formal comments can be submitted in writing at any time during the public comment period or orally at the public hearing scheduled on Aug. 21, 2025 | Community Meeting Presentation | View Pres. > | View Fact Sheet >
The public comment period for the proposed draft air quality permit to ADI began on July 16, 2025 and was extended to Sept. 16, 2025 | View Public Notice >
On Aug. 21, 2025, ADEQ held an in-person public hearing to accept formal public comments on the draft air quality permit.

Documents

On Nov. 18, 2024, ADEQ received a Class I Air Quality Permit application from ADI to construct and operate a facility in Benson, Arizona that would process aluminum scrap into recycled aluminum ingots to supply its mill located in Columbus, MS.

Application

Permit Application | View App. >
Revised Permit Application | View Rev. App. >
Air Dispersion Modeling Report | View Report >
Revised Air Dispersion Modeling Report | View Rev. Report >
Emissions Calculations | Download Calculations >
Corrected Standard Application Form | View Form >

Draft Air Quality Permit

Draft Permit | View Draft Permit >
Draft TSD | View TSD >
All Comments Received on draft permit | View Comments >

Proposed Final Air Quality Permit (December 2025)

After thoroughly reviewing and considering all comments submitted during the public comment period, ADEQ has made the determination to issue the proposed final air quality permit to Aluminum Dynamics Inc. on Dec. 17, 2025.

ADEQ values the input we received during the formal public comment period, which resulted in changes to the proposed final air quality permit. ADEQ’s changes to the proposed final air quality permit are highlighted in the public comment Responsiveness Summary.

Proposed Final Permit | View Proposed Final Permit >
Proposed Final TSD | View Proposed Final TSD >
Responsiveness Summary | View Responsiveness Summary >

As required, ADEQ sent the proposed final air quality permit and supporting documents to EPA for its 45-day review. EPA did not object the proposed final air quality permit.

For more information about ADI, visit the Site/Facility of Interest section within the My Community page | View Page >