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15 U.S.C. 2604, 2607, and 2625(c).
49 FR 35018, Sept. 5, 1984, unless otherwise noted.
54 FR 31308, July 27, 1989, unless otherwise noted.
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Nomenclature changes to part 721 appear at 87 FR 39764, July 5, 2022.
This subpart B identifies certain significant new uses of chemical substances identified in subpart E of this part. The provisions of this subpart B apply only when referenced as applying to a chemical substance identified in subpart E of this part.