{"data":{"id":"us/40-cfr-60.2860","jurisdiction":"us","citation":"40 CFR 60.2860","heading":"What are the emission limitations for air curtain incinerators?","body":"After the date the initial stack test is required or completed (whichever is earlier), you must meet the limitations in paragraphs (a) and (b) of this section:\n(a) Maintain opacity to less than or equal to 10 percent opacity (as determined by the average of three 1-hour blocks consisting of ten 6-minute average opacity values), except as described in paragraph (b) of this section; and\n(b) Maintain opacity to less than or equal to 35 percent opacity (as determined by the average of three 1-hour blocks consisting of ten 6-minute average opacity values) during the startup period that is within the first 30 minutes of operation.","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 DDDD—Emissions Guidelines and Compliance Times 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":"1e87f1682ae55eade70fd46f4a5dbb114045e93634a1c2ecdb2a77957667daac","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.2855","next":"us/40-cfr-60.2865"},"notice":"GroundRules: Original legal text. Not legal advice."}