{"data":{"id":"us/40-cfr-721.10252","jurisdiction":"us","citation":"40 CFR 721.10252","heading":"Thiosulfuric acid (H2S2O3), manganese(2 + ) salt (1:1).","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as thiosulfuric acid (H2S2O3), manganese(2 + ) salt (1:1) (PMN P-09-373; CAS No. 1033050-53-1) 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) Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) (N = 400).\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 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":"d809c6d069264cd64089b9df5b663550e3c043d1814af9607c65061006ba1e98","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.10251","next":"us/40-cfr-721.10253"},"notice":"GroundRules: Original legal text. Not legal advice."}