Table A27

Emission Factors for SOx and NOx Compounds from Uncontrolled Anthracite Coal Combustorsa

Source Category SOx NOx

Emission Emission Emission Emission

Factor Factor Factor Factor

(lb/ton) Rating (lb/ton) Rating

Stoker-fired boilers 39Sb B 9.0 C

FBC boilersc 2.9 E 1.8 E

Pulverized coal boilers 39Sb B 18 B

aData from EPA, Compilation of Air Pollutant Emission Factors, AP-42, Fifth ed., U.S. Environmental Protection Agency, U.S. Government Printing Office, Washington, D.C., January 1995. Tons are short tons. Units are pounds of pollutant per ton of coal burned. To convert from lb/ton to kg/Mg, multiply by 0.5.

bS = weight percent sulfur; for example, if the sulfur content is 3.4%, then S = 3.4. cFluidized-bed combustion (FBC) boilers burning culm fuel; all other sources burning anthracite coal.

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