Public Notice: Approval of Request for Coverage under General Air Quality Permit; Core Ready Mix Higley Plant, Mesa, Arizona
Summary
Approval of Request for Coverage under the General Air Quality Permit for New or Modified Minor Concrete Batch Plant in Indian Country: Core Ready Mix Higley Plant. Source ID # 122; Application # 2025-008-GP.
Final Action
The United States Environmental Protection Agency (EPA), Region 9, is approving a Request for Coverage under the General Air Quality Permit for New or Modified Minor Source Concrete Batch Plants in Indian Country (CBP General Permit) from Core Ready Mix, LLC. This approval pertains to the construction and operation of the Core Ready Mix Higley Plant (Source), a concrete batch plant to be located on the Salt River Pima-Maricopa Indian Community in Mesa, Arizona. EPA is approving the Source’s request pursuant to the provisions of Clean Air Act (CAA) sections 110(a) and 301(d) and EPA’s Federal Indian Country Minor New Source Review (NSR) Program at Code of Federal Regulations (CFR) title 40, sections 49.151-161 (Tribal Minor NSR Program).
Source Location
3666 N. Higley Road, Mesa, Arizona 85215
(33.4914472, -111.72933611111111)
Salt River Pima-Maricopa Indian Community
EPA Region 9’s approval of the Request for Coverage for the Source under the CBP General Permit is a final agency action for purposes of judicial review only for the issue of whether the Source qualifies for coverage under the CBP General Permit. See 40 CFR 49.156(e)(6). Any petition for review of this approval action must be filed in the United States Court of Appeals for the appropriate circuit pursuant to CAA section 307(b). This Approval is effective as of November 21, 2025.
Administrative Record
The final approval decision, EPA’s Region 9’s Technical Support Document for this action, and all other supporting information are available through www.regulations.gov under Docket ID No. EPA-R09-OAR-2025-0301. If you have trouble accessing the materials, or for other methods to obtain these materials, please contact Noelle Mushro at (415) 972-3987 or R9airpermits@epa.gov. Staff can also be reached through EPA Region 9’s toll-free general information line at (866) 372-9378.
Additional Information
If you have questions, or if you wish to obtain further information, please contact Noelle Mushro at (415) 972-3987 or via email at R9airpermits@epa.gov, or at the EPA mailing address above. If you would like to be added to our mailing list to receive future information about this approval action or other permit decisions issued by EPA Region 9, please contact EPA Region 9 by sending an email to R9airpermits@epa.gov.
***Please bring this notice to the attention of all persons who would be interested in this matter.***