{"data":{"id":"us/40-cfr-467.41","jurisdiction":"us","citation":"40 CFR 467.41","heading":"Specialized definitions.","body":"For the purpose of this subpart:\n(a) The “core” of the forging subcategory shall include forging, artificial aging, annealing, degreasing, and sawing.\n(b) The term “ancillary operation” shall mean any operation not previously included in the core, performed on-site, following or preceding the forging operation. The ancillary operations shall include forging air pollution scrubbers, solution heat treatment, and cleaning or etching.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 467—ALUMINUM FORMING POINT SOURCE CATEGORY","Subpart D—Forging 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":"d1040758776ab8652f4ac03c0800b35dec9bea66c12b142194446980c4b364b1","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-467.40","next":"us/40-cfr-467.42"},"notice":"GroundRules: Original legal text. Not legal advice."}