Aggregate and rock crushing operations involve the handling and processing of nonmetallic mineral products for the construction industries. Nonmetallic mineral products are quarried or mined and are then transported to the processing plant for further classification and/or further size reduction. In addition, some recycled aggregate products (such as concrete and asphaltic concrete) are also processed in these plants. The processing of sand and gravel for a specific market involves the use of different combinations of washers, screens, and classifiers to segregate particle sizes; crushers to reduce oversized material; and storage and loading facilities. The various types of equipment used in these plants include: hoppers, belt conveyors, screens, scrubbers, pumps, storage bins, crushers, jigs, screws, front end loaders, scrapers, trucks, engines, and generators.
Who Needs a Permit?
Any aggregate and rock crushing operation which would emit any pollutant, without the benefit of an air pollution control device, greater than or equal to 2 pounds in any 24 hours period.
Equipment registered under CARB's Portable
Equipment Registration Program is not required to have a permit unless it is being operated as part of a stationary source as determined by Sac Metro Air District.
Baghouses and Internal Combustion Engines: When an aggregate and rock crushing process is permitted with a baghouse or an internal combustion engine, a separate application for Authority to Construct is required for each baghouse and each engine over 50 horsepower.
Permit Fees
All
permit fees are based on District
Rule 301.
When applying for a permit through Online Services, the appropriate Permit Fee schedule will be automatically determined based upon the selection of the General Equipment Description. If you wish to see what the fees are for new equipment prior to applying, please use Schedule 1 in the Permit Fee Schedule to determine the initial application fee. The application fee rating is dependent on the cumulative total rated electrical horsepower of all motors in the equipment.
For questions regarding the application fee, please email permitting@airquality.org or call 279-207-1122.
How to apply for a Permit
All permit applications must be completed and submitted electronically through the Online Services customer portal.
When applying for a permit through Online Services, the equipment must be categorized by both a General and Specific description. The following General Equipment Descriptions may be selected when applying for Aggregate and Rock Crushing Operations. Associated Specific Equipment Descriptions can be viewed during the Online Services application process:
Material - Handling
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Mining - Nonmetallic
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Permit applications must be completed and submitted electronically through the Online Services portal. All applications must be submitted with the appropriate fee in order to be processed. Application fees may be paid directly through the Online Services portal. Pay the application fee when you submit your application for fastest processing time. Applications submitted without payment will be cancelled if payment is not received within two weeks of submitting the application.
To contact Permitting staff please call 279-207-1122 or email permitting@airquality.org.
