{"data":{"id":"us/40-cfr-60.4335a","jurisdiction":"us","citation":"40 CFR 60.4335a","heading":"a How do I demonstrate compliance with my NOX emissions standard without using a NOX CEMS if I use water or steam injection?","body":"If you qualify and elect to demonstrate continuous compliance according to the provisions of § 60.4333a(c)(1), you must install, calibrate, maintain, and operate a continuous monitoring system to monitor and record the fuel consumption and the water or steam to fuel ratio fired in the combustion turbine engine consistent with the requirements in § 60.4342a. Water or steam only needs to be injected when a fuel is being combusted that requires water or steam injection for compliance with the applicable NOX emissions standard.","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 KKKKa—Standards of Performance for Stationary Combustion Turbines"],"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":"f2539e7ae208a4f07107038a8470066c19e114a3a74e973ab5310fb2ba400b1e","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.4333a","next":"us/40-cfr-60.4340a"},"notice":"GroundRules: Original legal text. Not legal advice."}