SQCS General Air Quality Permit Coverage for Interstate Concrete and Asphalt on the Yakama Reservation

Summary

EPA has approved the Interstate Concrete and Asphalt (dba Columbia Asphalt & Ready-Mix) 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 441 E. McDonald Road (Toppenish Quarry) on the Yakama Reservation in Toppenish, Washington.

EPA approved the request for coverage on May 28, 2019, and it became effective upon issuance.

Permit number: R10TNSR02100

Approval documents

• Approval of Request for Coverage: Columbia Asphalt & Ready-Mix (portable SQCS plant) - Toppenish Quarry (pdf) (54.94 KB, May 28, 2019)
  EPA's approval of coverage under the SQCS General Permit.
• Technical Support Document for Approval of Request for Coverage: Columbia Asphalt & Ready-Mix (portable SQCS plant) - Toppenish Quarry (pdf) (239.94 KB, May 28, 2019)
  Technical information supporting EPA's approval of coverage.