{"data":{"id":"us/40-cfr-96.180","jurisdiction":"us","citation":"40 CFR 96.180","heading":"Applicability.","body":"A CAIR NOX opt-in unit must be a unit that:\n(a) Is located in the State;\n(b) Is not a CAIR NOX unit under § 96.104 and is not covered by a retired unit exemption under § 96.105 that is in effect;\n(c) Is not covered by a retired unit exemption under § 72.8 of this chapter that is in effect;\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 HH 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 II—CAIR NOX 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":"2ed8389d8d00ab56fa9018a6ff0985b27238049e9fa0fee7a474fcc5111e0be7","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-96.175","next":"us/40-cfr-96.181"},"notice":"GroundRules: Original legal text. Not legal advice."}