Definitions for "Major source"
(of HAPs) -- Any stationary source or group of stationary sources located within a contiguous area and under common control that emits or has the potential to emit considering control that emits or has the potential to emit considering control, in the aggregate, 10 tons per year or more of any hazardous air pollutant or 25 tons per year or more of any combination of hazardous air pollutants. The Administrator of the U.S. EPA may establish a lesser quantity, or in the case of radionuclides a different criteria, for a major source than that specified in the previous sentence, on the basis of the potency of the air pollutant, persistence, potential for bioaccumulation, other characteristics of the air pollutant, or other relevant factors. Fed
a source that emits or has the potential to emit more than 100 tons of any pollutant regulated under the federal Clean Air Act, more than 10 tons of any hazardous air pollutants or 25 tons of all hazardous air pollutants
a facility that is capable of emitting more than certain amounts of air contaminants
an elaborate andlargely unconscious process of abstraction andgeneralization, working partly from what we have previouslylearned by ostension and depending heavily on imitation ofobserved use