Laws & Regulations
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SQCS General Air Quality Permit Coverage for Columbia Asphalt & Ready-Mix (Wapato Quarry) on the Yakama Reservation
Coverage under the SQCS general permit for Columbia Asphalt & Ready-Mix on the Yakama Reservation.
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HMA General Air Quality Permit Coverage for Columbia Asphalt & Ready-Mix (Wapato Quarry) on the Yakama Reservation
Coverage under the HMA general permit for Columbia Asphalt & Ready-Mix on the Yakama Reservation.
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HMA General Air Quality Permit Coverage for Roy Houck Construction LLC (Patawa Pit Quarry) on the Umatilla Reservation
EPA's approval of coverage under the HMA general permit for Roy Houck Construction LLC on the Umatilla Reservation in Oregon.
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HMA General Air Quality Permit Coverage for DePatco Incorporated on the Fort Hall Reservation
Approval of coverage under the HMA general permit for DePatco Inc. on the Fort Hall Reservation in Idaho.
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HMA General Air Quality Permit Coverage for Poe Asphalt Inc. (Fighting Creek Quarry) on the Coeur d'Alene Reservation
EPA's approval of coverage under the HMA general permit for Poe Asphalt Inc. - Fighting Creek (HMA Plant) - Fighting Creek Quarry, Coeur d' Alene, ID on the Coeur d' Alene Reservation.
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Summary of Eugene-Springfield Carbon Monoxide (CO) Maintenance Plan
Summary of Eugene-Springfield Carbon Monoxide (CO) Maintenance Plan under the Oregon air quality State Implementation Plan (SIP).
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Oregon SIP
EPA approved nonregulatory provisions and quasi-regulatory measures in the Oregon SIP (40 CFR part 52.1970(e)).
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Subpart DD – Use of Electric Transmission and Distribution Equipment
Details GHGRP rulemaking actions affecting Subpart DD of the program and provides links to relevant fact sheets, rulemaking documents, and other supporting materials.
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Subpart DD Checklist
Subpart DD Monitoring Checklist landing page
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Title V Air Quality Operating Permit for McClarin Plastics LLC on the Yakama Reservation
Title V air operating permit issued to McClarin Plastics, LLC, for its facility located on the Yakama Reservation in Wapato, Washington.
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Title V Air Quality Operating Permit for Pace International LLC on the Yakama Reservation
Clean Air Act Title V permit issued to Pace International, LLC, for its facility located on the Yakama Reservation in Wapato, Washington.
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Clean Air Act Permitting Authorities in Oregon
Clean Air Act permitting authorities for Oregon.
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Setting Emissions Standards Based on Technology Performance
In setting national emissions standards, EPA sets emissions performance levels rather than mandating use of a particular technology. The law mandates that EPA use numerical performance standards whenever feasible in setting national emissions standards.
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Air Operating Permits Under the FARR
Non-Title V operating permits for air pollution sources on Indian reservations in Idaho, Oregon, and Washington.
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NPDES Permit for Suquamish Wastewater Treatment Plant in Washington
EPA's NPDES wastewater permit for the Suquamish Wastewater Treatment Plant in Washington.
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HMA General Air Quality Permit Coverage for Valley Paving and Asphalt, Inc. on the Nez Perce Reservation
EPA's approval of coverage under HMA general air permit for Valley Paving and Asphalt, Inc. at eight locations on the Nez Perce Reservation.
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SQCS General Air Quality Permit Coverage for Seubert Excavators, Inc. (Plant #2) on the Nez Perce Reservation
EPA's approval of coverage under the SQCS general air permit for Seubert Excavators, Inc. – Plant #2 at eight locations on the Nez Perce Reservation.
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SQCS General Air Quality Permit Coverage for Seubert Excavators, Inc. (Plant #1) on the Nez Perce Reservation
EPA's approval of coverage under the SQCS general air permit for Seubert Excavators, Inc. – Plant #1 at eight locations on the Nez Perce Reservation.
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SQCS General Air Quality Permit Coverage for Seubert Excavators, Inc. (Plant #3) on the Nez Perce Reservation
EPA's approval of coverage under the SQCS general air permit for Seubert Excavators, Inc. – Plant #3 at eight locations on the Nez Perce Reservation.
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Deviation from 40 CFR 35.3520(e)(1) for the Bonito Lake Dam Restoration Project for the City of Alamogordo, New Mexico (2020)
Deviation for the Bonito Lake Dam Rehabilitation Project