{"data":{"id":"us/40-cfr-440.40","jurisdiction":"us","citation":"40 CFR 440.40","heading":"Applicability; description of the mercury ore subcategory.","body":"The provisions of subpart D are applicable to discharges from (a) mines, either open-pit or underground, that produce mercury ores; and (b) mills beneficiating mercury ores by gravity separation methods or by froth-flotation methods.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 440—ORE MINING AND DRESSING POINT SOURCE CATEGORY","Subpart D—Mercury Ore 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":"c9f793e5a02a261be02005deee497f39e58883c0d582247bad8f2de3139372d3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-440.35","next":"us/40-cfr-440.41"},"notice":"GroundRules: Original legal text. Not legal advice."}