### Question
What is the definition of CO?


### Answer
The definition of **CO** is as follows in *42 U.S.C. § 7602*:

> carbon monoxide

#### Citation:
  - *42 U.S.C. § 7602*
  - Heading: **CHAPTER 85-AIR POLLUTION PREVENTION AND CONTROL > SUBCHAPTER III-GENERAL PROVISIONS**

