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e-CFR data is current as of November 23, 2020

Title 40Chapter ISubchapter CPart 60Subpart BBBB → Appendix


Title 40: Protection of Environment
PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES (CONTINUED)
Subpart BBBB—Emission Guidelines and Compliance Times for Small Municipal Waste Combustion Units Constructed on or Before August 30, 1999


Table 2 to Subpart BBBB of Part 60—Model Rule—Class I Emission Limits for Existing Small Municipal Waste Combustion Unitsa

For the following pollutants You must meet the following emission limitsb Using the following averaging times And determine compliance by the following methods
1. Organics:
Dioxins/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.
   60 nanograms per dry standard cubic meter for municipal waste combustion units that employ an electrostatic precipitator-based emission control system
2. Metals:
Cadmium0.040 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.
Lead0.490 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.
Mercury0.080 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.
   85 percent reduction of potential mercury emissions
Opacity10 percentThirty 6-minute averagesStack test.
Particulate Matter27 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.
3. Acid Gases:
Hydrogen Chloride31 parts per million by dry volume 95 percent reduction of potential hydrogen chloride emissions3-run average (minimum run duration is 1 hour)Stack test.
Sulfur Dioxide31 parts per million by dry volume 75 percent reduction of potential sulfur dioxide emissions24-hour daily block geometric average concentration percent reductionContinuous emission monitoring system.
4. Other:
Fugitive AshVisible emissions for no more than 5 percent of hourly observation periodThree 1-hour observation periodsVisible emission test.

aClass 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.

bAll emission limits (except for opacity) are measured at 7 percent oxygen.

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