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


### Answer
Under *42 U.S.C. § 7661*, **major source** is defined as:

> any stationary source (or any group of stationary sources located within a contiguous area and under common control) that is either of the following:


(A) A major source as defined in section 7412 of this title

#### Citation:
  - *42 U.S.C. § 7661*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections**

