The Environmental Protection Agency (EPA) is proposing to approve the limited maintenance plan submitted by the State of Oregon on April 22, 2015, for the Grants Pass maintenance area for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM10 ). The plan explains how this area will continue to meet the PM10 National Ambient Air Quality Standard for a second 10-year period through 2025.
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Approval and Promulgation of Implementation Plans; Oregon: Grants Pass Second 10-Year PM10
The Environmental Protection Agency (EPA) is proposing to approve the limited maintenance plan submitted by the State of Oregon on April 22, 2015, for the Grants Pass maintenanc...
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80 FR 45477
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“Approval and Promulgation of Implementation Plans; Oregon: Grants Pass Second 10-Year PM10,” thefederalregister.org (July 30, 2015), https://thefederalregister.org/documents/2015-18349/approval-and-promulgation-of-implementation-plans-oregon-grants-pass-second-10-year-pm10.