{"data":{"id":"us/40-cfr-421.200","jurisdiction":"us","citation":"40 CFR 421.200","heading":"Applicability: Description of the secondary mercury subcategory.","body":"The provision of this subpart are applicable to discharges resulting from the production of mercury from secondary mercury facilities processing recycled mercuric oxide batteries and other mercury containing scrap raw materials.","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 R—Secondary Mercury 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":"96605c968c8347d8d384b10c838bac28f5dfe1d5331cb39feacdda741483f605","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-421.197","next":"us/40-cfr-421.201"},"notice":"GroundRules: Original legal text. Not legal advice."}