{"data":{"id":"us/40-cfr-421.150","jurisdiction":"us","citation":"40 CFR 421.150","heading":"Applicability: Description of the primary beryllium subcategory.","body":"The provisions of this subpart are applicable to discharges resulting from the production of beryllium by primary beryllium facilities processing beryllium ore concentrates or beryllium hydroxide 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 O—Primary Beryllium 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":"ba44b841303e8f5c23f05dc7ab4036fdfcf879566e1451f91f189b52aa19432a","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-421.147","next":"us/40-cfr-421.151"},"notice":"GroundRules: Original legal text. Not legal advice."}