{"data":{"id":"us/40-cfr-421.251","jurisdiction":"us","citation":"40 CFR 421.251","heading":"Specialized definitions.","body":"For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.","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 W—Primary Precious Metals and 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":"e1ce6d950b450a55c793ba2cd3a78de38515802dc21e40bc8a0b32265dd18487","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-421.250","next":"us/40-cfr-421.252"},"notice":"GroundRules: Original legal text. Not legal advice."}