§ 721.1 Scope and applicability.
(a) This part identifies uses of chemical substances, except for microorganisms regulated under part 725 of this chapter, which EPA has determined are significant new uses under the authority of section 5(a)(2) of the Toxic Substances Control Act. In addition, it specifies procedures for manufacturers and processors to report on those significant new uses. This subpart A contains general provisions applicable to this part. Subpart B of this part identifies generic requirements for certain significant new uses cross referenced in specific provisions of subpart E of this part. Subpart C of this part identifies generic reporting requirements for certain significant new uses cross referenced in specific provisions of subpart E of this part. Subpart E of this part identifies chemical substances and their significant new uses.