{"data":{"id":"us/40-cfr-table-2-to-subpart-bbbb-of-part-60","jurisdiction":"us","citation":"40 CFR Table 2 to Subpart BBBB of Part 60","heading":"Table 2 to Subpart BBBB of Part 60—Model Rule—Class I Emission Limits for Existing Small Municipal Waste Combustion Units a","body":"For the following pollutants You must meet the following emission limits b Using the following averaging times And determine compliance by the following methods\n1. Organics:\nDioxins/Furans (total mass basis) 30 nanograms per dry standard cubic meter for municipal waste combustion units that do not employ an electrostatic precipitator-based emission control system -or- 3-run average (minimum run duration is 4 hours) Stack test.\n60 nanograms per dry standard cubic meter for municipal waste combustion units that employ an electrostatic precipitator-based emission control system\n2. Metals:\nCadmium 0.040 milligrams per dry standard cubic meter 3-run average (run duration specified in test method) Stack test.\nLead 0.490 milligrams per dry standard cubic meter 3-run average (run duration specified in test method) Stack test.\nMercury 0.080 milligrams per dry standard cubic meter 3-run average (run duration specified in test method) Stack test.\n85 percent reduction of potential mercury emissions\nOpacity 10 percent Thirty 6-minute averages Stack test.\nParticulate Matter 27 milligrams per dry standard cubic meter 3-run average (run duration specified in test method) Stack test.\n3. Acid Gases:\nHydrogen Chloride 31 parts per million by dry volume 95 percent reduction of potential hydrogen chloride emissions 3-run average (minimum run duration is 1 hour) Stack test.\nSulfur Dioxide 31 parts per million by dry volume 75 percent reduction of potential sulfur dioxide emissions 24-hour daily block geometric average concentration percent reduction Continuous emission monitoring system.\n4. Other:\nFugitive Ash Visible emissions for no more than 5 percent of hourly observation period Three 1-hour observation periods Visible emission test.\na Class I units mean small municipal waste combustion units subject to this subpart that are located at municipal waste combustion plants with an aggregate plant combustion capacity greater than 250 tons per day of municipal solid waste. See § 60.1940 for definitions.\nb All emission limits (except for opacity) are measured at 7 percent oxygen.","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 BBBB—Emission Guidelines and Compliance Times for Small Municipal Waste Combustion Units Constructed on or Before August 30, 1999"],"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":"50cbcb3d4ccfcb18492d8a2cf2e6998b836754f96b95210a10f7c050f0f9bd33","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-1-to-subpart-bbbb-of-part-60","next":"us/40-cfr-table-3-to-subpart-bbbb-of-part-60"},"notice":"GroundRules: Original legal text. Not legal advice."}