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§ 98.323 Calculating GHG emissions.
(a) For each ventilation shaft, vent hole, or centralized point into which CH4 from multiple shafts and/or vent holes are collected, you must calculate the quarterly CH4 liberated from the ventilation system using Equation FF–1 of this section. You must measure CH4 content, flow rate, temperature, pressure, and moisture content of the gas using the procedures outlined in § 98.324.
![er12jy10.004.gif](/sites/default/files/inline-images/er12jy10.004.gif)
Where: