### Question
What does toxic air pollutants mean?


### Answer
**Toxic air pollutants** has the following meaning in *42 U.S.C. § 7545*:

> the aggregate emissions of the following:


Benzene


1,3 Butadiene


Polycyclic organic matter (POM)


Acetaldehyde


Formaldehyde

#### Citation:
  - *42 U.S.C. § 7545*
  - Heading: **CHAPTER 85-AIR POLLUTION PREVENTION AND CONTROL > SUBCHAPTER II-EMISSION STANDARDS FOR MOVING SOURCES > Part A-Motor Vehicle Emission and Fuel Standards**

