{"data":{"id":"us/40-cfr-421.110","jurisdiction":"us","citation":"40 CFR 421.110","heading":"Applicability: Description of the primary columbium-tantalum subcategory.","body":"The provisions of this subpart are applicable to discharges resulting from the production of columbium or tantalum by primary columbium-tantalum facilities.","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 K—Primary Columbium-Tantalum 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":"c7b335229aacf6b40796a190b5cdc00d58672904f008faf419cb163bc02eb610","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-421.107","next":"us/40-cfr-421.111"},"notice":"GroundRules: Original legal text. Not legal advice."}