{"data":{"id":"us/40-cfr-61.173","jurisdiction":"us","citation":"40 CFR 61.173","heading":"Compliance provisions.","body":"(a) The owner or operator of each copper converter to which § 61.172(b)-(f) applies shall demonstrate compliance with the requirements of § 61.172(b)(1) as follows:\n(1) The owner or operator of each existing copper converter shall install a secondary hood system to meet the requirements of § 61.172(b)(1) no later than 90 days after the effective date, unless a waiver of compliance has been approved by the Administrator in accordance with § 61.11.\n(2) The owner or operator of each new copper converter shall install a secondary hood system to meet the requirements of § 61.172(b)(1) prior to the initial startup of the converter, except that if startup occurs prior to the effective date, the owner or operator shall meet the requirements of § 61.172(b)(1) on the effective date.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS","Subpart O—National Emission Standard for Inorganic Arsenic Emissions From Primary Copper Smelters"],"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":"efdd8216357edf0340dfc7f1d5efcd722ecbfbd5a8110364bcba617476f400b8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-61.172","next":"us/40-cfr-61.174"},"notice":"GroundRules: Original legal text. Not legal advice."}