Topical Terminology > Major Source
1 Definition
Major Source
For Major Source we have a term and definition in Air Quality.
Major Source (Air Quality) 
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
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