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Title 40

Displaying title 40, up to date as of 8/05/2026. Title 40 was last amended 8/04/2026.
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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 Tulalip Tribes of the Tulalip Reservation, Washington49.10981 – 49.11010
§ 49.10981Identification of plan.
§ 49.10982Approval status.
§ 49.10983 Legal authority. [Reserved]
§ 49.10984 Source surveillance. [Reserved]
§ 49.10985Classification of regions for episode plans.
§ 49.10986Contents of implementation plan.
§ 49.10987 EPA-approved Tribal rules and plans. [Reserved]
§ 49.10988Permits to construct.
§ 49.10989Permits to operate.
§ 49.10990Federally-promulgated regulations and Federal implementation plans.
§§ 49.10991-49.11010 [Reserved]