Table 1 of Subpart AAAA - Emission Limits for New Small Municipal Waste Combustion Units

Latest version.

For the following pollutantsYou must meet the
following emission limits\a\

Using the following

averaging times

And determine compliance by the following methods

1. Organics

Dioxins/Furans (total mass basis)13 nanograms per dry standard cubic meter3-run average (minimum run duration is 4 hours)Stack test.

2. Metals:

Cadmium0.020 milligrams per dry standard cubic meter3-run average (run duration specified in test method) Stack test.

Lead0.20 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.

Mercury0.080 milligrams per dry standard cubic meter or 85 percent reduction of potential mercury emissions3-run average (run duration specified in test method)Stack test.

Opacity10 percentThirty 6-minute averagesStack test.

Particulate Matter24 milligrams per dry standard cubic meter3-run average (run duration specified in test method)Stack test.

3. Acid Gases:

Hydrogen Chloride25 parts per million by dry volume or 95 percent reduction of potential hydrogen chloride emissions3-run average (minimum run duration is 1 hour)Stack test

Nitrogen Oxides (Class I units) \b\150 (180 for 1st year of operation) parts per million by dry volume24-hour daily block arithmetic average concentrationContinuous emission monitoring system.

Nitrogen Oxides (Class II units) \c\500 parts per million by dry volumeSee footnote \d\See footnote\d\

Sulfur Dioxide30 parts per million by dry volume or 80 percent reduction of potential sulfur dioxide emissions24-hour daily block geometric average concentration or percent reductionContinuous monitoring emission system.

4. Other:

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

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

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 more than 250 tons per day of municipal solid waste. See § 60.1465 for definitions.

c Class II 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 no more than 250 tons per day of municipal solid waste. See § 60.1465 for definitions.

d No monitoring, testing, recordkeeping, or reporting is required to demonstrate compliance with the nitrogen oxides limit for Class II units.

                    
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