### Question
How does the law define area source?


### Answer
Under *42 U.S.C. § 7412*, **area source** is defined as:

> any stationary source of hazardous air pollutants that is not a major source

#### Citation:
  - *42 U.S.C. § 7412*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections > Amendments**

