Table 4 of Subpart BBBB - Model Rule - Class II Emission Limits for Existing Small Municipal Waste Combustion Unita

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For the following pollutantsYou must meet the following emissionfollowing determine limitsbUsing the following averaging timesAnd determine compliance by the following methods1. 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 emissionsOpacity10 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 emissionsSulfur 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 reduction

Continuous emission monitoring system.

4. Other:

Fugitive AshVisible emissions for no more than 5 percent of hourly observation periodThree 1-hour observation periodsVisible emission test.

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.

                    
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