| Table A.4. Nitrogen Oxides Control Technology Emissions Reduction Factors |
| Nitrogen Oxides Control Technology | EIA-Code(s) | Reduction Factor |
|---|---|---|
| Advanced Overfire Air | AA | 30% |
| Alternate Burners | BF | 20% |
| Flue Gas Recirculation | FR | 40% |
| Fluidized Bed Combustor | CF | 20% |
| Fuel Reburning | FU | 30% |
| Low Excess Air | LA | 20% |
| Low NOx Burners | LN | 30% |
| Other (or Unspecified) | OT | 20% |
| Overfire Air | OV | 20% |
| Selective Catalytic Reduction | SR | 70% |
| Selective Catalytic Reduction With Low Nitrogen Oxide Burners | SR and LN | 90% |
| Selective Noncatalytic Reduction | SN | 30% |
| Selective Noncatalytic Reduction With Low NOx Burners | SN and LN | 50% |
| Slagging | SC | 20% |
| Notes: Starting with 1995 data, reduction factors for Advanced Overfire Air, Low NOx Burners, and Overfire Air were reduced by 10 percent. |