This page contains documents related to EPA's approval of Columbia Asphalt & Ready-Mix’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 the Wapato Quarry on the Yakama Indian Reservation, near Wapato, Washington.
The EPA approved Columbia Asphalt & Ready-Mix’s request for coverage on May 25, 2018.
For a copy of the general permit and related documents, visit Stone Quarrying, Crushing and Screening Facilities (Final Rule).
Approval Documents
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Approval of Request for Coverage (SQCS): Columbia Asphalt & Ready-Mix - Wapato Quarry (PDF)(4 pp, 173 K,
May 25, 2018)
EPA's approval of coverage under the SQCS General Permit.
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Technical Support Document for Approval of Request for Coverage (SQCS): Columbia Asphalt & Ready-Mix - Wapato Quarry (PDF)(8 pp, 218 K,
May 25, 2018)
Technical information supporting EPA's approval of coverage under the SQCS General Permit.