{"data":{"id":"us/40-cfr-96.280","jurisdiction":"us","citation":"40 CFR 96.280","heading":"Applicability.","body":"A CAIR SO2 opt-in unit must be a unit that:\n(a) Is located in the State;\n(b) Is not a CAIR SO2 unit under § 96.204 and is not covered by a retired unit exemption under § 96.205 that is in effect;\n(c) Is not covered by a retired unit exemption under § 72.8 of this chapter that is in effect and is not an opt-in source under part 74 of this chapter;\n(d) Has or is required or qualified to have a title V operating permit or other federally enforceable permit; and\n(e) Vents all of its emissions to a stack and can meet the monitoring, recordkeeping, and reporting requirements of subpart HHH of this part.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 96—NOX BUDGET TRADING PROGRAM AND CAIR NOX AND SO2 TRADING PROGRAMS FOR STATE IMPLEMENTATION PLANS","Subpart III—CAIR SO 2 Opt-in Units"],"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":"bf93102ca9703e1f1a2a7f1211f38e2bab7043fa7cd4438f807d4474bffd9baf","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-96.275","next":"us/40-cfr-96.281"},"notice":"GroundRules: Original legal text. Not legal advice."}