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Minor Permit Revisions/Notifications of Change

The District has received a minor permit revision and/or notice of facility change application listed below.

Minor permit revisions may only be used for those changes at a source that satisfies all of the following:

  • Do not violate any applicable requirement
  • Do not involve substantative changes to existing monitoring, reporting, or recordkeeping requirements in the permit
  • Do not require or change a case-by-case determination of an emission limitation or other standard, or a source specific determination of ambient impacts, or a visibility or increment analysis
  • Do not seek to establish or change a permit term or condition for which there is no corresponding underlying applicable requirement and that the source has assumed in order to avoid an applicable requirement to which the source would otherwise be subject
  • Are not modifications under any provision of Title I of the clean Air Act (1990) that would result in a significant net emissions increase of any pollutant subject to regulation
  • Are not modifications under the Pinal County Hazardous Air Pollutant Program
  • Are not changes in fuels not represented in the permit application or provided for in the permit
  • The increase in the sources' potential to emit for any regulated pollutant is not significant
  • Are not required to be processed as a significant revision

Facility changes are allowed without a permit revision if all of the following apply:

  • Changes are not modification under Title 1 of the Clean Air Act or major modifications
  • Changes do not exceed the emission allowed under the permit
  • Changes do not violate any applicable requirement or trigger additional requirements
  • Changes meet all the requirements of a minor permit revision
  • Changes do not contravene federally enforceable permit terms and conditions

The application packages and associated permit revisions are available for inspection at the offices of the Pinal County Air Quality Control District, 31 N Pinal Street, Bldg F, Florence, AZ during the hours of 8:00 a.m. to 4:30 p.m., Monday through Friday, excluding Holidays. Any questions regarding the permit revisions may be directed to the District at (520) 866-6929.


ApplicantPermit NumberReceivedSource LocationType of OperationPermit Changes
Arizona Department of Emergency & Military AffairsB31175.R027/6/201824641 E Pinal Airpark Rd Red Rock AZ 85653Army heliportAddition of emergency generator
Banner Casa Grande Medical CenterB31102.R028/31/20181800 East Florence Blvd., Casa Grande, AZ. 85122Health CareUpdate Equipment List
Cemex Construction Materials South, LLC-Coolidge PlantC31177.R033/27/201814152 N Attaway Rd Coolidge AZ 85128Aggregate/Concrete ProductionEquipment Update
DK Asphalt LLC (Western Emulsions)B31097.R024/17/2018485 E Randolph Rd Coolidge AZ 85128Asphalt Storage and DistributionAddition of Polymer modified asphalt manufacturing process
Fisher Sand & Gravel Co. (Florence Plant)C31099.R037/27/201819203 N Bowling Rd Florence AZ 85132Asphalt & Aggregate ProductionAddition/Deletion of Generators
Fisher Sand & Gravel Co. (Queen Creek Plant)C31200.R018/16/2018Section 15, Township 2 South, Range 9 East, San Tan Valley, AZAsphalt & Agreggate ProductionAddition/Deletion of Generators
Gila Rock Products LLC (Reymert Mine)B31241.R015/7/2018Sec22, T2S, R11E Superior AZ 85173Crushing and ScreeningGenerator replacement
Monsanto CompanyC31252.R016/28/201815790 S Hwy 87 Eloy AZ 85131Cotton Seed ManufacturingDeleting requirements associated with decommissioned process lines
PPG Industries, Inc.B31193.R029/4/2018550-560 West Centennial Boulevard, Casa Grande, AZ.Paint ManufacturingChanges to the paints usage limitation requirement