### Question
What does controlled substance mean?


### Answer
**Controlled substance** has the following meaning in *41 U.S.C. § 8101*:

> a controlled substance in schedules I through V of section 202 of the Comprehensive Drug Abuse Prevention and Control Act of 1970 (21 U.S.C. 812)

#### Citation:
  - *41 U.S.C. § 8101*
  - Heading: **Subtitle IV-Miscellaneous > CHAPTER 81-DRUG-FREE WORKPLACE**

