{"data":{"id":"us/40-cfr-721.3437","jurisdiction":"us","citation":"40 CFR 721.3437","heading":"Dialkyl ether.","body":"(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as dialkyl ether (PMN P-93-1308) 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) (where N = 180 ppb).\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 requirements. Recordkeeping requirements 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":"b67213e7aac3b8bc1f26d58428e5aa79717530e8bf6ea73618592ecb711ff3e7","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-721.3435","next":"us/40-cfr-721.3438"},"notice":"GroundRules: Original legal text. Not legal advice."}