{"data":{"id":"us/40-cfr-721.4258","jurisdiction":"us","citation":"40 CFR 721.4258","heading":"Substituted naphthalene hydrazide (generic).","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as substituted naphthalene hydrazide (PMN P-01-69) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section.\n(2) The significant new uses are:\n(i) Release to water. Requirement as specified § 721.90(a)(1), (b)(1), and (c)(1).\n(ii) [Reserved]\n(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.\n(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125(a), (b), (c), and (k) are applicable to manufacturers, importers, and processors of this chemical substance.\n(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT","PART 721—SIGNIFICANT NEW USES OF CHEMICAL SUBSTANCES","Subpart E—Significant New Uses for Specific Chemical Substances"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"a76007edfe11e9faea740eae3d6ad51872f2254ccd66430950f9a12c607d17b4","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.4257","next":"us/40-cfr-721.4259"},"notice":"GroundRules: Original legal text. Not legal advice."}