{"data":{"id":"us/40-cfr-60.193","jurisdiction":"us","citation":"40 CFR 60.193","heading":"Standard for visible emissions.","body":"(a) On and after the date on which the performance test required to be conducted by § 60.8 is completed, no owner or operator subject to the provisions of this subpart shall cause to be discharged into the atmosphere:\n(1) From any potroom group any gases which exhibit 10 percent opacity or greater, or\n(2) From any anode bake plant any gases which exhibit 20 percent opacity or greater.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES","Subpart S—Standards of Performance for Primary Aluminum Reduction Plants"],"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":"9e7c99a978b5242ed081c3a91c808e3cf09b03e43396a52c8afc0907f6ac771a","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.192","next":"us/40-cfr-60.194"},"notice":"GroundRules: Original legal text. Not legal advice."}