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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 UUUUU - National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units

  Table 1 to Subpart UUUUU of Part 63 - —Emission Limits for New or Reconstructed EGUs  

Latest version.

  • Table 1 to Subpart UUUUU of Part 63—Emission Limits for New or Reconstructed EGUs

    Cross Reference
    Link to an amendment published at 89 FR 38569, May 7, 2024.

    As stated in § 63.9991, you must comply with the following applicable emission limits:

    If your EGU is in this subcategory . . . For the following
    pollutants . . .     		You must meet the following emission limits and work practice standards . . . Using these requirements, as appropriate (e.g., specified sampling volume or test run duration) and limitations with the test methods in Table 5 to this Subpart . . .
    1. Coal-fired unit not low rank virgin coala. Filterable particulate matter (PM)9.0E-2 lb/MWh1 Collect a minimum catch of 6.0 milligrams or a minimum sample volume of 4 dscm per run.
    OROR
    Total non-Hg HAP metals6.0E-2 lb/GWhCollect a minimum of 4 dscm per run.
    OROR
    Individual HAP metals:Collect a minimum of 3 dscm per run.
    Antimony (Sb)8.0E-3 lb/GWh
    Arsenic (As)3.0E-3 lb/GWh
    Beryllium (Be)6.0E-4 lb/GWh
    Cadmium (Cd)4.0E-4 lb/GWh
    Chromium (Cr)7.0E-3 lb/GWh
    Cobalt (Co)2.0E-3 lb/GWh
    Lead (Pb)2.0E-2 lb/GWh
    Manganese (Mn)4.0E-3 lb/GWh
    Nickel (Ni)4.0E-2 lb/GWh
    Selenium (Se)5.0E-2 lb/GWh
    b. Hydrogen chloride (HCl)1.0E-2 lb/MWhFor Method 26A at appendix A-8 to part 60 of this chapter, collect a minimum of 3 dscm per run. For ASTM D6348-03(Reapproved 2010)2 or Method 320 at appendix A to part 63 of this chapter, sample for a minimum of 1 hour.
    OR
    Sulfur dioxide (SO2)3 1.0 lb/MWhSO2 CEMS.
    c. Mercury (Hg)3.0E-3 lb/GWhHg CEMS or sorbent trap monitoring system only.
    2. Coal-fired units low rank virgin coala. Filterable particulate matter (PM)9.0E-2 lb/MWh1 Collect a minimum catch of 6.0 milligrams or a minimum sample volume of 4 dscm per run.
    OROR
    Total non-Hg HAP metals6.0E-2 lb/GWhCollect a minimum of 4 dscm per run.
    OROR
    Individual HAP metals:Collect a minimum of 3 dscm per run.
    Antimony (Sb)8.0E-3 lb/GWh
    Arsenic (As)3.0E-3 lb/GWh
    Beryllium (Be)6.0E-4 lb/GWh
    Cadmium (Cd)4.0E-4 lb/GWh
    Chromium (Cr)7.0E-3 lb/GWh
    Cobalt (Co)2.0E-3 lb/GWh
    Lead (Pb)2.0E-2 lb/GWh
    Manganese (Mn)4.0E-3 lb/GWh
    Nickel (Ni)4.0E-2 lb/GWh
    Selenium (Se)5.0E-2 lb/GWh
    b. Hydrogen chloride (HCl)1.0E-2 lb/MWhFor Method 26A, collect a minimum of 3 dscm per run For ASTM D6348-03(Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    OR
    Sulfur dioxide (SO2)3 1.0 lb/MWhSO2 CEMS.
    c. Mercury (Hg)Before July 8, 2024: 4.0E-2 lb/GWh; On or after July 8, 2024: 1.3E-2 lb/GWhHg CEMS or sorbent trap monitoring system only.
    3. IGCC unita. Filterable particulate matter (PM)7.0E-2 lb/MWh4 9.0E-2 lb/MWh5 Collect a minimum of 1 catch of 3.0 milligrams or a minimum sample volume of 2 dscm per run.
    OROR
    Total non-Hg HAP metals4.0E-1 lb/GWhCollect a minimum of 1 dscm per run.
    OROR
    Individual HAP metals:Collect a minimum of 2 dscm per run.
    Antimony (Sb)2.0E-2 lb/GWh
    Arsenic (As)2.0E-2 lb/GWh
    Beryllium (Be)1.0E-3 lb/GWh
    Cadmium (Cd)2.0E-3 lb/GWh
    Chromium (Cr)4.0E-2 lb/GWh
    Cobalt (Co)4.0E-3 lb/GWh
    Lead (Pb)9.0E-3 lb/GWh
    Manganese (Mn)2.0E-2 lb/GWh
    Nickel (Ni)7.0E-2 lb/GWh
    Selenium (Se)3.0E-1 lb/GWh
    b. Hydrogen chloride (HCl)2.0E-3 lb/MWhFor Method 26A, collect a minimum of 1 dscm per run; for Method 26 at appendix A-8 to part 60 of this chapter, collect a minimum of 120 liters per run.
    For ASTM D6348-03(Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    OR
    Sulfur dioxide (SO2)3 4.0E-1 lb/MWhSO2 CEMS.
    c. Mercury (Hg)3.0E-3 lb/GWhHg CEMS or sorbent trap monitoring system only.
    4. Liquid oil-fired unit—continental (excluding limited-use liquid oil-fired subcategory units)a. Filterable particulate matter (PM)3.0E-1 lb/MWh1 Collect a minimum of 1 dscm per run.
    OROR
    Total HAP metals2.0E-4 lb/MWhCollect a minimum of 2 dscm per run.
    OROR
    Individual HAP metals:Collect a minimum of 2 dscm per run.
    Antimony (Sb)1.0E-2 lb/GWh
    Arsenic (As)3.0E-3 lb/GWh
    Beryllium (Be)5.0E-4 lb/GWh
    Cadmium (Cd)2.0E-4 lb/GWh
    Chromium (Cr)2.0E-2 lb/GWh
    Cobalt (Co)3.0E-2 lb/GWh
    Lead (Pb)8.0E-3 lb/GWh
    Manganese (Mn)2.0E-2 lb/GWh
    Nickel (Ni)9.0E-2 lb/GWh
    Selenium (Se)2.0E-2 lb/GWh
    Mercury (Hg)1.0E-4 lb/GWhFor Method 30B at appendix A-8 to part 60 of this chapter sample volume determination (Section 8.2.4), the estimated Hg concentration should nominally be < 1⁄2 the standard.
    b. Hydrogen chloride (HCl)4.0E-4 lb/MWhFor Method 26A, collect a minimum of 3 dscm per run. For ASTM D6348-03(Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    c. Hydrogen fluoride (HF)4.0E-4 lb/MWhFor Method 26A, collect a minimum of 3 dscm per run. For ASTM D6348-03 (Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    5. Liquid oil-fired unit—non-continental (excluding limited-use liquid oil-fired subcategory units)a. Filterable particulate matter (PM)2.0E-1 lb/MWh1 Collect a minimum of 1 dscm per run.
    OROR
    Total HAP metals7.0E-3 lb/MWhCollect a minimum of 1 dscm per run.
    OROR
    Individual HAP metals:Collect a minimum of 3 dscm per run.
    Antimony (Sb)8.0E-3 lb/GWh
    Arsenic (As)6.0E-2 lb/GWh
    Beryllium (Be)2.0E-3 lb/GWh
    Cadmium (Cd)2.0E-3 lb/GWh
    Chromium (Cr)2.0E-2 lb/GWh
    Cobalt (Co)3.0E-1 lb/GWh
    Lead (Pb)3.0E-2 lb/GWh
    Manganese (Mn)1.0E-1 lb/GWh
    Nickel (Ni)4.1E0 lb/GWh
    Selenium (Se)2.0E-2 lb/GWh
    Mercury (Hg)4.0E-4 lb/GWhFor Method 30B sample volume determination (Section 8.2.4), the estimated Hg concentration should nominally be < 1⁄2 the standard.
    b. Hydrogen chloride (HCl)2.0E-3 lb/MWhFor Method 26A, collect a minimum of 1 dscm per run; for Method 26, collect a minimum of 120 liters per run. For ASTM D6348-03 (Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    c. Hydrogen fluoride (HF)5.0E-4 lb/MWhFor Method 26A, collect a minimum of 3 dscm per run. For ASTM D6348-03 (Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    6. Solid oil-derived fuel-fired unita. Filterable particulate matter (PM)3.0E-2 lb/MWh1 Collect a minimum of 1 dscm per run.
    OROR
    Total non-Hg HAP metals6.0E-1 lb/GWhCollect a minimum of 1 dscm per run.
    OROR
    Individual HAP metals:Collect a minimum of 3 dscm per run.
    Antimony (Sb)8.0E-3 lb/GWh
    Arsenic (As)3.0E-3 lb/GWh
    Beryllium (Be)6.0E-4 lb/GWh
    Cadmium (Cd)7.0E-4 lb/GWh
    Chromium (Cr)6.0E-3 lb/GWh
    Cobalt (Co)2.0E-3 lb/GWh
    Lead (Pb)2.0E-2 lb/GWh
    Manganese (Mn)7.0E-3 lb/GWh
    Nickel (Ni)4.0E-2 lb/GWh
    Selenium (Se)6.0E-3 lb/GWh
    b. Hydrogen chloride (HCl)4.0E-4 lb/MWhFor Method 26A, collect a minimum of 3 dscm per run. For ASTM D6348-03 (Reapproved 2010)2 or Method 320, sample for a minimum of 1 hour.
    OR
    Sulfur dioxide (SO2)3 1.0 lb/MWhSO2 CEMS.
    c. Mercury (Hg)2.0E-3 lb/GWhHg CEMS or Sorbent trap monitoring system only.

    1 Gross output.

    2 Incorporated by reference, see § 63.14.

    3 You may not use the alternate SO2 limit if your EGU does not have some form of FGD system (or, in the case of IGCC EGUs, some other acid gas removal system either upstream or downstream of the combined cycle block) and SO2 CEMS installed.

    4 Duct burners on syngas; gross output.

    5 Duct burners on natural gas; gross output.

    [81 FR 20190, Apr. 6, 2016, as amended at 89 FR 38569, May 7, 2024]