Analysis of Strategies for Reducing Multiple Emissions from Electric Power Plants: Sulfur Dioxide, Nitrogen Oxides, Carbon Dioxide, and Mercury and a Renewable Portfolio Standard - Table 32. Comparison of EPA and EIA Assumptions for Emission Modification factors by Type of Emission Control Equipment

Table 32. Comparison of EPA and EIA Assumptions for Emission Modification
Factors by Type of Emission Control Equipment
(Percentage of Hg Emissions Removed)

Emission Control Device	EPA Assumption	EIA Assumption
Flue Gas Desulfurization Scrubbers	66	NA
Wet Scrubber (Bituminous Coal)	NA	34
Wet Scrubber (Other Coals)	NA	81
Dry Scrubber	NA	61
Fabric Filter	56	31
Cold Side Electrostatic Precipitator	68	69
Hot Side Electrostatic Precipitator	100	100
Particulate Matter Scrubber	96	96
NA = not available. Sources: EPA: U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Study of Hazardous Air Pollutant Emissions from Electric Utility Steam Generating Units—Final Report to Congress, Volumes I and II, EPA-453/R-98-004A and B (Washington, DC, February 1998). EIA: U.S. Environmental Protection Agency, Emission Standards Division, Information Collection Request for Electric Utility Steam Generating Unit, Mercury Emissions Information Collection Effort (Research Triangle Park, NC, 1999), and National Energy Technology Laboratory.