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Title 40

Displaying title 40, up to date as of 7/15/2026. Title 40 was last amended 7/14/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter BGrants and Other Federal Assistance33 – 49
Part 49Indian Country: Air Quality Planning and Management49.1 – 49.17810
Subpart MImplementation Plans for Tribes—Region X49.9861 – 49.17810
Implementation Plan for the Sauk-Suiattle Indian Tribe of Washington49.10641 – 49.10670
§ 49.10641Identification of plan.
§ 49.10642Approval status.
§ 49.10643 Legal authority. [Reserved]
§ 49.10644 Source surveillance. [Reserved]
§ 49.10645Classification of regions for episode plans.
§ 49.10646Contents of implementation plan.
§ 49.10647 EPA-approved Tribal rules and plans. [Reserved]
§ 49.10648Permits to construct.
§ 49.10649Permits to operate.
§ 49.10650Federally-promulgated regulations and Federal implementation plans.
§§ 49.10651-49.10670 [Reserved]