eCFR.io
Daily eCFR

Subpart B—Certain Significant New Uses

40 CFR Part 721 Subpart B

Citation40 CFR Part 721 Subpart B
ContainsSections 721.50–721.91
CorpusDaily eCFR
Displayed edition2026-06-29
Last updated2026-06-29

Subpart B—Certain Significant New Uses

Sections

Section numbering in the official eCFR can be non-consecutive. Omitted section numbers are not treated here as reserved unless the source explicitly labels them that way.

Authority15 U.S.C. 2604, 2607, and 2625(c).
Source54 FR 31308, July 27, 1989, unless otherwise noted.