{"data":{"id":"us/40-cfr-721.11379","jurisdiction":"us","citation":"40 CFR 721.11379","heading":"Lithium, isotope of mass 6.","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as lithium, isotope of mass 6 (P-18-384, CASRN 14258-72-1) 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) Industrial, Commercial, and consumer activities. It is a significant new use to manufacture, process or use the chemical substance without the workplace engineering controls described in the PMN. It is a significant new use to use the chemical substance other than as a starting material for manufacture of 6-Lithium halide scintillation crystals for use in radiation detection.\n(ii) Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) where N = 8.5.\n(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b).\n(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (c), (i), and (k) are applicable to manufacturers, importers, and processors of this substance.\n(2) Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.\n(3) Determining whether a specific use is subject to this section. The provisions of § 721.1725(b)(1) apply to paragraph (a)(2)(i) of 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":"39e2fd2c69d2fb03733000e8ddab8e893d17417f27784835a238dbb98d557eda","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.11378","next":"us/40-cfr-721.11380"},"notice":"GroundRules: Original legal text. Not legal advice."}