Total of direct and indirect emissions
Total of direct and indirect emissions means the sum of direct and indirect emissions increases and decreases caused by the Federal action; i.e., the net emissions considering all direct and indirect emissions. The portion of emissions which are exempt or presumed to conform under 93.153 , (d), (e), or (f) are not included in the total of direct and indirect emissions. The total of direct and indirect emissions includes emissions of criteria pollutants and emissions of precursors of criteria pollutants.
Source
40 CFR § 93.152
Scoping language
Terms used but not defined in this part shall have the meaning given them by the Act and EPA's regulations (40 CFR chapter I), in that order of priority.