PUBLIC NOTICE | Proposal to Issue Air Quality Control Renewal Permit for the CalPortland Rillito Cement Plant

ADEQ proposes to issue Air Quality Control New Permit No. 85424 to CalPortland Company for the continued operation of a cement manufacturing facility located in Pima County. The mailing address for the facility is P.O. Box 338, Rillito, AZ 85654The facility is subject to the requirements of the Federal Clean Air Act, Code of Federal Regulations, Arizona Revised Statute 49-426, and the Arizona Administrative Code, Title 18, Chapter 2. The facility emits the following air contaminants: nitrogen oxides (NOX), sulfur dioxide (SO2), particulate matter with a diameter less than 10 microns (PM10), volatile organic compounds (VOCs), carbon monoxide (CO) and hazardous air pollutants (HAPs).


CalPortland Company

Facility Location

11115 N. Casa Grande Highway
Rillito, AZ 85654

Permit Type

Class I Air Quality Permit

Review Documents

Original Published Public Notice | View >
Draft Permit | View >
Technical Support Document | View >

You may also review the above documentation in person at the ADEQ Record Center | Learn How >

Public Comment Period 

Dates: Jan 15, 2021 - Feb. 15, 2021

Comments may be submitted as follows:
     Email | Send Email >  
     Mail (Must be postmarked or received by Feb. 15, 2021):

       Balaji Vaidyanathan
       Facilities Emissions Control Section
       1110 W. Washington St., 3415A-1
       Phoenix, AZ  85007

EPA Petition Process

This permit is subject to review by the Environmental Protection Agency (EPA) pursuant to 40 CFR 70.8 and Arizona Administrative Code R18-2-307. If EPA does not object to the issuance of this permit, you may petition to EPA within 60 days after the expiration of EPA's 45-day review period. A petition shall be based only on objections to the permit that were raised with reasonable specificity during the public comment period, unless the petitioner demonstrates that it was impracticable to raise such objections within such period, or unless the grounds for such objection arose after such period. Any person who petitions to EPA pursuant to 40 CFR 70.8(d) shall notify ADEQ by certified mail within 10 days after such petition.

Comments may be submitted to EPA according to the process for Title V Petitions | Learn More >