{"data":{"id":"us/40-cfr-421.51","jurisdiction":"us","citation":"40 CFR 421.51","heading":"Specialized definitions.","body":"For the purpose of this subpart:\n(a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 apply to this subpart.\n(b) The term product means electrolytically refined copper.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","Subpart E—Primary Electrolytic Copper Refining Subcategory"],"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":"429ab59f76e5e9a4fead3c389aecb23d8012901844112d5ff728a2cb7ff29e2f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-421.50","next":"us/40-cfr-421.52"},"notice":"GroundRules: Original legal text. Not legal advice."}