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 Code of Federal Regulations (Last Updated: November 8, 2024)
 Title 40 - Protection of Environment
 Chapter I - Environmental Protection Agency
 SubChapter C - Air Programs
 Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories
 Subpart DDDDD - National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters

  Table 13 to Subpart DDDDD of Part 63 - Alternative Emission Limits for New or Reconstructed Boilers and Process Heaters That Commenced Construction or Reconstruction After December 23, 2011, and Before April 1, 2013  

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  • Table 13 to Subpart DDDDD of Part 63 - Alternative Emission Limits for New or Reconstructed Boilers and Process Heaters That Commenced Construction or Reconstruction After December 23, 2011, and Before April 1, 2013

    If your boiler or process heater is in this subcategory . . . For the following pollutants . . . The emissions must not exceed the following emission limits, except during periods of startup and shutdown . . . Using this specified sampling volume or test run duration . . .
    1. Units in all subcategories designed to burn solid fuel a. HCl 0.022 lb per MMBtu of heat input For M26A, collect a minimum of 1 dscm per run; for M26 collect a minimum of 120 liters per run.
    b. Mercury 8.6E-07a lb per MMBtu of heat input For M29, collect a minimum of 4 dscm per run; for M30A or M30B, collect a minimum sample as specified in the method; for ASTM D6784b collect a minimum of 4 dscm.
    2. Pulverized coal boilers designed to burn coal/solid fossil fuel a. Carbon monoxide (CO) (or CEMS) 130 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (320 ppm by volume on a dry basis corrected to 3 percent oxygen,c 30-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 1.1E-03 lb per MMBtu of heat input; or (2.8E-05 lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.
    3. Stokers designed to burn coal/solid fossil fuel a. CO (or CEMS) 130 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (340 ppm by volume on a dry basis corrected to 3 percent oxygen,c 10-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 2.8E-02 lb per MMBtu of heat input; or (2.3E-05 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    4. Fluidized bed units designed to burn coal/solid fossil fuel a. CO (or CEMS) 130 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (230 ppm by volume on a dry basis corrected to 3 percent oxygen,c 30-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 1.1E-03 lb per MMBtu of heat input; or (2.3E-05 lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.
    5. Fluidized bed units with an integrated heat exchanger designed to burn coal/solid fossil fuel a. CO (or CEMS) 140 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (150 ppm by volume on a dry basis corrected to 3 percent oxygen,c 30-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 1.1E-03 lb per MMBtu of heat input; or (2.3E-05 lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.
    6. Stokers/sloped grate/others designed to burn wet biomass fuel a. CO (or CEMS) 620 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (410 ppm by volume on a dry basis corrected to 3 percent oxygen,c 10-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 3.0E-02 lb per MMBtu of heat input; or (2.6E-05 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    7. Stokers/sloped grate/others designed to burn kiln-dried biomass fuel a. CO 460 ppm by volume on a dry basis corrected to 3 percent oxygen 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 3.2E-01 lb per MMBtu of heat input; or (4.0E-03 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    8. Fluidized bed units designed to burn biomass/bio-based solids a. CO (or CEMS) 230 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (310 ppm by volume on a dry basis corrected to 3 percent oxygen,c 30-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 9.8E-03 lb per MMBtu of heat input; or (8.3E-05a lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.
    9. Suspension burners designed to burn biomass/bio-based solids a. CO (or CEMS) 2,400 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (2,000 ppm by volume on a dry basis corrected to 3 percent oxygen,c 10-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 5.1E-02 lb per MMBtu of heat input; or (6.5E-03 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    10. Dutch Ovens/Pile burners designed to burn biomass/bio-based solids a. CO (or CEMS) 810 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (520 ppm by volume on a dry basis corrected to 3 percent oxygen,c 10-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 3.6E-02 lb per MMBtu of heat input; or (3.9E-05 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    11. Fuel cell units designed to burn biomass/bio-based solids a. CO 910 ppm by volume on a dry basis corrected to 3 percent oxygen 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 2.0E-02 lb per MMBtu of heat input; or (2.9E-05 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    12. Hybrid suspension grate boiler designed to burn biomass/bio-based solids a. CO (or CEMS) 1,500 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (900 ppm by volume on a dry basis corrected to 3 percent oxygen,c 30-day rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 2.6E-02 lb per MMBtu of heat input; or (4.4E-04 lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.
    13. Units designed to burn liquid fuel a. HCl 1.2E-03 lb per MMBtu of heat input For M26A: Collect a minimum of 2 dscm per run; for M26, collect a minimum of 240 liters per run.
    b. Mercury 4.9E-07a lb per MMBtu of heat input For M29, collect a minimum of 4 dscm per run; for M30A or M30B, collect a minimum sample as specified in the method; for ASTM D6784b collect a minimum of 4 dscm.
    14. Units designed to burn heavy liquid fuel a. CO (or CEMS) 130 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average; or (18 ppm by volume on a dry basis corrected to 3 percent oxygen,c 10-day rolling average) 1 hr minimum sampling time.
    15. Units designed to burn light liquid fuel a. CO (or CEMS) 130a ppm by volume on a dry basis corrected to 3 percent oxygen; or (60 ppm by volume on a dry basis corrected to 3 percent oxygen,c 1-day block average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 1.1E-03a lb per MMBtu of heat input; or (2.9E-05 lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.
    16. Units designed to burn liquid fuel that are non-continental units a. CO 130 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-run average based on stack test; or (91 ppm by volume on a dry basis corrected to 3 percent oxygen, 3-hour rolling average) 1 hr minimum sampling time.
    b. Filterable PM (or TSM) 2.3E-02 lb per MMBtu of heat input; or (8.6E-04 lb per MMBtu of heat input) Collect a minimum of 2 dscm per run.
    17. Units designed to burn gas 2 (other) gases a. CO 130 ppm by volume on a dry basis corrected to 3 percent oxygen 1 hr minimum sampling time.
    b. HCl 1.7E-03 lb per MMBtu of heat input For M26A, Collect a minimum of 2 dscm per run; for M26, collect a minimum of 240 liters per run.
    c. Mercury 7.9E-06 lb per MMBtu of heat input For M29, collect a minimum of 3 dscm per run; for M30A or M30B, collect a minimum sample as specified in the method; for ASTM D6784b collect a minimum of 3 dscm.
    d. Filterable PM (or TSM) 6.7E-03 lb per MMBtu of heat input; or (2.1E-04 lb per MMBtu of heat input) Collect a minimum of 3 dscm per run.

    a If you are conducting stack tests to demonstrate compliance and your performance tests for this pollutant for at least 2 consecutive years show that your emissions are at or below this limit and you are not required to conduct testing for CEMS or CPMS monitor certification, you can skip testing according to § 63.7515 if all of the other provision of § 63.7515 are met. For all other pollutants that do not contain a footnote “a”, your performance tests for this pollutant for at least 2 consecutive years must show that your emissions are at or below 75 percent of this limit in order to qualify for skip testing.

    b Incorporated by reference, see § 63.14.

    c An owner or operator may request an alternative test method under § 63.7 of this chapter, in order that compliance with the carbon monoxide emissions limit be determined using carbon dioxide as a diluent correction in place of oxygen at 3%. EPA Method 19 F-factors and EPA Method 19 equations must be used to generate the appropriate CO2 correction percentage for the fuel type burned in the unit, and must also take into account that the 3% oxygen correction is to be done on a dry basis. The alternative test method request must account for any CO2 being added to, or removed from, the emissions gas stream as a result of limestone injection, scrubber media, etc.

    [78 FR 7210, Jan. 31, 2013, as amended at 80 FR 72836, Nov. 20, 2015]