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  2. Permitting Under the Clean Air Act

Stone Quarrying, Crushing and Screening Facilities General Air Quality Permit Coverage for CPM Development Corporation at Pendleton Mission Quarry, Pendleton, Oregon on the Umatilla Reservation

Related Information
  • Air Permits Issued by EPA Region 10

This page contains documents related to EPA's approval of CPM Development Corporation's request for coverage under the general air quality permit for new or modified minor source stone quarrying, crushing and screening facilities in Indian Country (SQCS General Permit) for a portable plant at 73569 McKay Lane, (Pendleton Mission Quarry), Pendleton, Oregon on the Umatilla Reservation.

The EPA approved CPM Development Corporation’s request for coverage on March 21, 2022. The approval became effective upon issuance. 

For a copy of the general permit and related documents, visit Stone Quarrying, Crushing and Screening Facilities (Final Rule).

Permit Number: R10TNSR02900 
Approval of Request for Coverage Issued: March 21, 2022
Approval Effective: March 21, 2022
Approval Expires: N/A

Approval Documents

  • ​Approval of Request for Coverage: CPM Development Corporation (portable SQCS plant) - Pendleton Mission Quarry (pdf) (246.85 KB, March 21, 2022)
    EPA's approval of coverage under the SQCS General Permit.​
  • Technical Support Document for Approval of Request for Coverage: CPM Development Corporation (portable SQCS plant) - Pendleton Mission Quarry (pdf) (252.94 KB, March 21, 2022)

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Last updated on February 13, 2025
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