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Regulations last checked for updates: Jan 12, 2026
Title 40 - Protection of Environment last revised: Dec 31, 2026
All Titles
Title 40
Chapter I
Part 56 - PART 56—REGIONAL CONSISTENCY
§ 56.1 - Definitions.
§ 56.2 - Scope.
§ 56.3 - Policy.
§ 56.4 -
§ 56.5 - Mechanisms for fairness and uniformity—Responsibilities of Regional Office employees.
§ 56.6 - Dissemination of policy and guidance.
§ 56.7 - State agency performance audits.
authority:
Sec. 301(a)(2) of the Clean Air Act as amended (
42 U.S.C. 7601
)
source:
45 FR 85405, Dec. 24, 1980, unless otherwise noted.
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