### Question
Can you define what stationary source means?


### Answer
**Stationary source** is defined as the following in *42 U.S.C. § 7411*:

> any building, structure, facility, or installation which emits or may emit any air pollutant

#### Citation:
  - *42 U.S.C. § 7411*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections > Amendments**

