Regulations last checked for updates: Apr 06, 2025

Title 40 - Protection of Environment last revised: Feb 06, 2028

FEDERAL IMPLEMENTATION PLAN FOR OIL AND NATURAL GAS WELL PRODUCTION FACILITIES; FORT BERTHOLD INDIAN RESERVATION (MANDAN, HIDATSA AND ARIKARA NATION), NORTH DAKOTA
FEDERAL IMPLEMENTATION PLAN FOR MANAGING EMISSIONS FROM OIL AND NATURAL GAS SOURCES ON THE INDIAN COUNTRY LANDS WITHIN THE UINTAH AND OURAY INDIAN RESERVATION IN UTAH
  • §§ 49.4185-49.4199 - §[Reserved]

IMPLEMENTATION PLAN FOR THE NORTHERN CHEYENNE TRIBE
  • §§ 49.4201-49.5510 - §[Reserved]
authority: 42 U.S.C. 7401,
source: 63 FR 7271, Feb. 12, 1998, unless otherwise noted.