### Question
What is the definition of low-enriched uranium?


### Answer
The definition of **low-enriched uranium** is as follows in *50 U.S.C. § 2569*:

> uranium enriched below 20 percent in the isotope 235

#### Citation:
  - *50 U.S.C. § 2569*
  - Heading: **CHAPTER 42-ATOMIC ENERGY DEFENSE PROVISIONS > SUBCHAPTER III-PROLIFERATION MATTERS**

