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Regulations last checked for updates: Nov 22, 2024
Title 40 - Protection of Environment last revised: Nov 20, 2024
All Titles
Title 40
Chapter I
Part 51
Subpart H - Subpart H—Prevention of Air Pollution Emergency Episodes
§ 51.150 - Classification of regions for episode plans.
§ 51.151 - Significant harm levels.
§ 51.152 - Contingency plans.
§ 51.153 - Reevaluation of episode plans.
authority:
23 U.S.C. 101
;
42 U.S.C. 7401-7671q.
source:
36 FR 22398, Nov. 25, 1971, unless otherwise noted.
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