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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 721 - PART 721—SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES
Subpart A [§ 721.1 - § 721.47] - Subpart A—General Provisions
Subpart B [§ 721.50 - § 721.91] - Subpart B—Certain Significant New Uses
Subpart C [§ 721.100 - § 721.125] - Subpart C—Recordkeeping Requirements
Subpart D [§ 721.160 - § 721.185] - Subpart D—Expedited Process for Issuing Significant New Use Rules for Selected Chemical Substances and Limitation or Revocation of Selected Significant New Use Rules
Subpart E [§ 721.225 - § 721.11893] - Subpart E—Significant New Uses for Specific Chemical Substances
authority:
15 U.S.C. 2604
,
2607
,
and
source:
49 FR 35018, Sept. 5, 1984, unless otherwise noted.
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