Q75. For a unit that combusts fossil and biomass fuels that has a CEMS for CO2 and uses Tier 4, must CO2 be reported by fuel type?

A75. The combined CO2 from all fossil fuels must be reported separately from the combined CO2 from all biomass fuels; however, reporting CO2 by specific type of fuel (e.g., coal, oil, gas, etc.) is not required. (See 98.36(b)(7)(ii))


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