{"data":{"id":"us/40-cfr-721.4100","jurisdiction":"us","citation":"40 CFR 721.4100","heading":"Tris(disubstituted alkyl) heterocycle.","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as tris(disubstituted alkyl) heterocycle (P-90-142) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.\n(2) The significant new uses are:\n(i) Protection in the workplace. Requirements as specified in § 721.63 (a)(4), (a)(5)(iv), (a)(6)(i), (b) (concentration set at 0.1 percent) and (c).\n(ii) Hazard communication program. Requirements as specified in § 721.72 (a), (b), (c), (d), (e) (concentration set at 0.1 percent), (f), (g)(1)(iv), (g)(1)(vi), (g)(1)(vii), (g)(2)(iv), (g)(5). The hazard communication requirements do not apply when the chemical substance is present in a plastic, an elastomer, a rubber matrix, or in a solution.\n(iii) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(q). Any amount of the PMN substance imported in a plastic, an elastomer, a rubber matrix, or in a solution, such that inhalation is precluded, shall not be included in the production limit calculations.\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. The following recordkeeping requirements are applicable to manufacturers, importers, and processors of this substance, as specified in § 721.125 (a), (b), (c), (d), (f), (g), (h), and (i).\n(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this significant new use rule.\n(3) Determining whether a specific use is subject to this section. The provisions of § 721.1725(b)(1) 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":"a5b46c8fe45ecd815bb7d7696d79be9bc006e830b7d30567bfbc8cf7209e1b9d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.4098","next":"us/40-cfr-721.4105"},"notice":"GroundRules: Original legal text. Not legal advice."}