### Question
How is the term indirect source review program defined?


### Answer
The term **indirect source review program** is defined in *42 U.S.C. § 7410* as the following:

> the facility-by-facility review of indirect sources of air pollution, including such measures as are necessary to assure, or assist in assuring, that a new or modified indirect source will not attract mobile sources of air pollution, the emissions from which would cause or contribute to air pollution concentrations—


(i) exceeding any national primary ambient air quality standard for a mobile source-related air pollutant after the primary standard attainment date, or


(ii) preventing maintenance of any such standard after such date

#### Citation:
  - *42 U.S.C. § 7410*
  - Heading: **CHAPTER 85-AIR POLLUTION PREVENTION AND CONTROL > SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Part A-Air Quality and Emission Limitations**

