### Question
How is the term nuclear material defined?


### Answer
The term **nuclear material** is defined in *18 U.S.C. § 831* as the following:

> material containing any—


(A) plutonium with an isotopic concentration not in excess of 80 percent plutonium 238

#### Citation:
  - *18 U.S.C. § 831*
  - Heading: **PART I-CRIMES > CHAPTER 39-EXPLOSIVES AND OTHER DANGEROUS ARTICLES**

