Please take a look at the H2H guidance, it will help you when filling out the FEM.
In the guidance, it says:
Answer Yes if: Your facility has calculated the annual emission quantity of all the applicable key pollutants listed in the FEM from all emission sources (point source and fugitive sources) from facility production.
The reported quantity of each pollutant must be facility-wide and include emissions from all point sources and fugitive sources from production. For example, in the FEM reporting year, if a facility emitted 750kg of VOC from screen printing and 250kg of VOC from spot cleaning operations, the reported emission quantity would be 1,000kg (750kg + 250kg) of VOC for the reporting year.
For the FEM, this methodology of reporting the combined total of the pollutant/pollutant group from all point sources is applied to all reported pollutants (e.g., VOC are reported as the total quantity of all VOC from all sources of emissions from production)
The guidance also gives you information on how to make these calculations for all the point sources.
In other words, if every one of your machines is a point source for air emissions, then you must do this for every machine.
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