{"data":{"id":"us/40-cfr-60.2255","jurisdiction":"us","citation":"40 CFR 60.2255","heading":"How must I monitor opacity for air curtain incinerators?","body":"(a) Use Method 9 of appendix A of this part to determine compliance with the opacity limitation.\n(b) Conduct an initial test for opacity as specified in § 60.8.\n(c) After the initial test for opacity, conduct annual tests no more than 12 calendar months following the date of your previous test.","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 CCCC—Standards of Performance for Commercial and Industrial Solid Waste Incineration 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":"c3939db3c76e25a5db74c0819eccb78168eaa774f7d16d5d05741a48de7b8bf8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.2250","next":"us/40-cfr-60.2260"},"notice":"GroundRules: Original legal text. Not legal advice."}