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Subpart W—Determining Conformity of General Federal Actions to State or Federal Implementation Plans

40 CFR Part 51 Subpart W

Citation40 CFR Part 51 Subpart W

ContainsSections § 51.850–§§ 51.852-51.860

CorpusDaily eCFR

Displayed edition2026-09-18

Last updated2026-09-18

Sections

§ 51.850
§ 51.850 [Reserved]
§ 51.851
§ 51.851 State implementation plan (SIP) or Tribal implementation plan (TIP) revision.
§§ 51.852-51.860
§§ 51.852-51.860 [Reserved]

Source58 FR 63247, Nov. 30, 1993, unless otherwise noted.