{"data":{"id":"us/40-cfr-721.9511","jurisdiction":"us","citation":"40 CFR 721.9511","heading":"Silicic acid (H6SiO2O7), magnesium, strontium salt(1:1:2), dysprosium and europium-doped.","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified as silicic acid (H6SiO2O7) magnesium, strontium salt(1:1:2), dysprosium and europium-doped. (PMN P-98-848; CAS No.181828-07-9) 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) Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(j) (manufacture or import of the chemical substance where greater than 5% of the chemical substance is below the 10 micron (respirable particles) threshold).\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 (i) 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":"3de00d4242a8e4f49740b728574286d5832fccd31c375b4559b39c0e549d13a8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.9509","next":"us/40-cfr-721.9513"},"notice":"GroundRules: Original legal text. Not legal advice."}