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Regulations last checked for updates: May 14, 2025
Title 40 - Protection of Environment last revised: Apr 14, 2028
All Titles
Title 40
Chapter I
Part 52 - PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (CONTINUED)
Subpart U [§ 52.1019 - § 52.1037] - Subpart U—Maine
Subpart V [§ 52.1070 - § 52.1118] - Subpart V—Maryland
Subpart W [§ 52.1119 - § 52.1169] - Subpart W—Massachusetts
Subpart X [§ 52.1170 - § 52.1190] - Subpart X—Michigan
Subpart Y [§ 52.1219 - § 52.1241] - Subpart Y—Minnesota
Subpart Z [§ 52.1270 - § 52.1284] - Subpart Z—Mississippi
Subpart AA [§ 52.1319 - § 52.1343] - Subpart AA—Missouri
Subpart BB [§ 52.1370 - § 52.1398] - Subpart BB—Montana
Subpart CC [§ 52.1420 - § 52.1437] - Subpart CC—Nebraska
Subpart DD [§ 52.1470 - § 52.1492] - Subpart DD—Nevada
Subpart EE [§ 52.1519 - § 52.1535] - Subpart EE—New Hampshire
Subpart FF [§ 52.1570 - § 52.1607] - Subpart FF—New Jersey
Subpart GG [§ 52.1620 - § 52.1640] - Subpart GG—New Mexico
Subpart HH [§ 52.1670 - § 52.1690] - Subpart HH—New York
Subpart II [§ 52.1769 - § 52.1785] - Subpart II—North Carolina
Subpart JJ [§ 52.1820 - § 52.1837] - Subpart JJ—North Dakota
Subpart KK [§ 52.1870 - § 52.1894] - Subpart KK—Ohio
Subpart LL [§ 52.1919 - § 52.1960] - Subpart LL—Oklahoma
Subpart MM [§ 52.1970 - § 52.2019] - Subpart MM—Oregon
authority:
42 U.S.C. 7401
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