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Subpart BBBB - Emission Guidelines and Compliance Times for Small Municipal Waste Combustion Units Constructed on or Before August 30, 1999

RegSenseAir QualityCFR SubpartCFR RegulationsEnvironmental Protection Agency (EPA)EnvironmentalAir QualityFocus AreaEnglishAir ProgramsUSA

Table 1 to Subpart BBBB of Part 60 - Model Rule - Compliance Schedules and Increments of Progress

Affected unitsIncrement 1 (Submit final control plan)Increment 2 (Award contracts)Increment 3 (Begin onsite construction)Increment 4 (Complete onsite construction)Increment 5 (Final compliance)
a Plant specific schedules can be used at the discretion of the State.
b 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.
c The date can be no later than 3 years after the effective date of State plan approval or December 6, 2005.
d For Class I units that began construction, reconstruction, or modification after June 26, 1987, comply with the dioxins/furans and mercury limits by the later of two dates:
1. One year after the effective date of State plan approval.
2. One year after the issuance of a revised construction or operation permit, if a permit modification is required.
3. Final compliance with the dioxins/furans limits must be achieved no later than December 6, 2005, even if the date one year after the issuance of a revised construction or operation permit is after December 6, 2005.
e Class II units mean all small municipal combustion units subject to this subpart that are located at municipal waste combustion plants with aggregate plant combustion capacity less than or equal to 250 tons per day of municipal solid waste. See §60.1940 for definitions.
1. All Class I units a b(Dates to be specified in State plan)(Dates to be specified in State plan)(Dates to be specified in State plan)(Dates to be specified in State plan)(Dates to be specified in State plan). c d
2. All Class II units a e(Dates to be specified in State plan)Not applicableNot applicableNot applicable(Dates to be specified in State plan). c

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

Table 3 to Subpart BBBB of Part 60 - Model Rule - Class I Nitrogen Oxides Emission Limits for Existing Small Municipal Waste Combustion Units a b c

Municipal waste combustion technologyLimits for class I municipal waste combustion units
a 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.
b Nitrogen oxides limits are measured at 7 percent oxygen.
c All limits are 24-hour daily block arithmetic average concentration. Compliance is determined for Class I units by continuous emission monitoring systems.
1. Mass burn waterwall200 parts per million by dry volume.
2. Mass burn rotary waterwall170 parts per million by dry volume.
3. Refuse-derived fuel250 parts per million by dry volume.
4. Fluidized bed220 parts per million by dry volume.
5. Mass burn refractory350 parts per million by dry volume.
6. Modular excess air190 parts per million by dry volume.
7. Modular starved air380 parts per million by dry volume.

Table 4 to Subpart BBBB of Part 60 - Model Rule - Class II Emission Limits for Existing Small Municipal Waste Combustion Unit a

For the following pollutantsYou must meet the following emission following determine limits bUsing the following averaging timesAnd determine compliance by the following methods
a Class II units mean all small municipal combustion units subject to this subpart that are located at municipal waste combustion plants with aggregate plant combustion capacity less than or equal to 250 tons per day of municipal solid waste. See §60.1940 for definitions.
b All emission limits (except for opacity) are measured at 7 percent oxygen.
c No monitoring, testing, recordkeeping or reporting is required to demonstrate compliance with the nitrogen oxides limit for Class II units.
1. Organics:
Dioxins/Furans (total mass basis)125 nanorgrams per dry standard cubic meter3-run average (minimum run duration is 4 hours)Stack test.
2. Metals:
Cadmium0.10 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.
Lead1.6 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 averageStack test.
Particulate Matter70 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.
3. Acid Gases:
Hydrogen Chloride250 parts per million by volume -or-3-run average (minimum run duration is 1 hour)Stack test.
50 percent reduction of potential hydrogen chloride emissions
Sulfur Dioxide77 parts per million by dry volume -or-
50 percent reduction of potential sulfur dioxides emissions		24-hour daily block geometric average concentration -or- 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.

Table 5 to Subpart BBBB of Part 60 - Model Rule - Carbon Monoxide Emission Limits for Existing Small Municipal Waste Combustion Units

For the following municipal waste combustion unitsYou must meet the following carbon monoxide limits aUsing the following averaging times b
a All emission limits (except for opacity) are measured at 7 percent oxygen. Compliance is determined by continuous emission monitoring systems.
b Block averages, arithmetic mean. See §60.1940 for definitions.
c 24-hour block average, geometric mean.
1. Fluidized bed100 parts per million by dry volume4-hour.
2. Fluidized bed, mixed fuel, (wood/refuse-derived fuel)200 parts per million by dry volume24-hour c.
3. Mass burn rotary refractory100 parts per million by dry volume4-hour.
4. Mass burn rotary waterwall250 parts per million by dry volume24-hour.
5. Mass burn waterwall and refractory100 parts per million by dry volume4-hour.
6. Mixed fuel-fired, (pulverized coal/refuse-derived fuel)150 parts per million by dry volume4-hour.
7. Modular starved-air and excess air50 parts per million by dry volume4-hour.
8. Spreader stoker, mixed fuel-fired (coal/refuse-derived fuel)200 parts per million by dry volume24-hour daily.
9. Stoker, refuse-derived fuel200 parts per million by dry volume24-hour daily.

Table 6 to Subpart BBBB of Part 60 - Model Rule - Requirements for Validating Continuous Emission Monitoring Systems (CEMS)

For the following continuous emission monitoring systemsUse the following methods in appendix A of this part to validate poollutant concentratin levelsUse the following methods in appendix A of this part to measure oxygen (or carbon dioxide)
a 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.
1. Nitrogen Oxides (Class I units only) aMethod 7, 7A, 7B,7C, 7D, or 7EMethod 3 or 3A.
2. Sulfur DioxideMethod 6 or 6CMethod 3 or 3A.
3. Carbon MonoxideMethod 10, 10A, or 10BMethod 3 or 3A.

Table 7 to Subpart BBBB of Part 60 - Model Rule - Requirements for Continuous Emission Monitoring Systems (CEMS)

For the following pollutantsUse the following span values for CEMSUse the following performance specifications in appendix B of this part for your CEMSIf needed to meet minimum data requirements, use the following alternate methods in appendix A of this part to collect data
1. Opacity100 percent opacityP.S. 1Method 9.
2. Nitrogen Oxides (Class I units only)Control device outlet: 125 percent of the maximum expected hourly potential nitrogen oxides emissions of the municipal waste combustion unitP.S. 2Method 7E.
3. Sulfur DioxideInlet to control device: 125 percent of the maximum expected hourly potential sulfur dioxide emissions of the municipal waste combustion unitP.S. 2Method 6C.
Control device outlet: 50 percent of the maximum expected hourly potential sulfur dioxide emissions of the municipal waste combustion unit
4. Carbon Monoxide125 percent of the maximum expected hourly potential carbon monoxide emissions of the municipal waste combustion unitP.S. 4AMethod 10 with alternative interference trap.
5. Oxygen or Carbon Dioxide25 percent oxygen or 25 percent carbon dioxideP.S. 3Method 3A or 3B.

Table 8 to Subpart BBBB of Part 60 - Model Rule - Requirements for Stack Tests

To measure the following pollutantsUse the following methods in appendix A of this part to determine the sampling locationUse the following methods in appendix A of this part to measure pollutant concentrationAlso note the following additional information
a Must simultaneously measure oxygen (or carbon dioxide) using Method 3A or 3B in appendix A of this part.
b Use CEMS to test sulfur dioxide, nitrogen oxide, and carbon monoxide. Stack tests are not required except for quality assurance requirements in appendix F of this part.
1. Organics
Dioxins/FuransMethod 1Method 23 aThe minimum sampling time must be 4 hours per test run while the municipal waste combustion unit is operating at full load.
2. Metals
CadmiumMethod 1Method 29 aCompliance testing must be performed while the municipal waste combustion unit is operating at full load.
LeadMethod 1Method 29 aCompliance testing must be performed while the municipal waste combustion unit is operating at full load.
MercuryMethod 1Method 29 aCompliance testing must be performed while the municipal waste combustion unit is operating at full load.
OpacityMethod 9Method 9Use Method 9 to determine compliance with opacity limits. 3-hour observation period (thirty 6-minute averages).
Particulate MatterMethod 1Method 5 or 29The minimum sample volume must be 1.0 cubic meters. The probe and filter holder heating systems in the sample train must be set to provide a gas temperature no greater than 160 ±14°C. The minimum sampling time is 1 hour.
3. Acid Gases b
Hydrogen ChlorideMethod 1Method 26 or 26A aTest runs must be at least 1 hour long while the municipal waste combustion unit is operating at full load.
4. Other b
Fugitive AshNot applicableMethod 22 (visible emissions)The three 1-hour observation period must include periods when the facility transfers fugitive ash from the municipal waste combustion unit to the area where the fugitive ash is stored or loaded into containers or trucks.
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