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Abrasive Blasting - Unconfined

​​​​​​Abrasive blasting or sandblasting is defined as the cleaning or preparation of a surface by forcibly propelling a stream of abrasive material against a surface.  Unconfined abrasive blasting is generally performed outdoors. 

Particulate emissions from abrasive blasting operations can be a significant source of air pollution. To address this activity, the California Air Resources Board (ARB) adopted air pollution standards and requirements that apply to abrasive blasting operations and are enforced by local air districts. These standards are found in Title 17 of the California Code of Regulations, sections 92000 through 92520.  The general provisions in §92500 require abrasive blasting activities to be conducted within a permanent building. Only under special conditions may abrasive blasting be conducted outdoors (unconfined). ​

Who Needs a Permit?

  • A permit is generally not required for unconfined abrasive blasting of architectural structures such as buildings or bridges unless a non-electric (i.e. internal combustion) compressor rated at greater than 50 hp is being utilized.
  • Non-electric compressors (i.e. combustion engines) will be permitted with the abrasive blasting unit.

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 the following schedules in the Permit Fee Schedule​ to determine the initial application fee:

  • Abrasive Blasting Units Using a Compressor Powered by an Internal Combustion Engine:​Please use Schedule 7 to determine the initial application fee​. The application fee is based upon the rated horsepower of the engine.

  • Abrasive Blasting Units Using a Compressor Powered by an Electric Motor: Please use Schedule 1 to determine the initial application fee​. The application fee is based upon the rated horsepower of the electric motor.

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 categories should be selected when applying for Abrasive Blasting (Unconfined):

General Equipment Description
Associated Specific Description
Abrasive Blasting​
Abrasive Blasting Booth (Unconfined)

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 t​he 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.​​​
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Related Rules

Rule Date Last Amended
Permitting Page
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