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Region 10: the Pacific Northwest
Serving the people of Alaska, Idaho, Oregon, Washington and Native Tribes
1-800-424-4372(M-F, 8am-4:30pm Pacific Time)R10_farrhotline@epa.gov
The Federal Air Rules for Reservations (FARR) is a set of federal air rules that apply to 39 Indian Reservations in Idaho, Oregon and Washington.