### Question
How does the law define alternative nuclear reactor fuel or target?


### Answer
Under *42 U.S.C. § 2160d*, **alternative nuclear reactor fuel or target** is defined as:

> a nuclear reactor fuel or target which is enriched to less than 20 percent in the isotope U–235

#### Citation:
  - *42 U.S.C. § 2160d*
  - Heading: **CHAPTER 23-DEVELOPMENT AND CONTROL OF ATOMIC ENERGY > Division A-Atomic Energy > SUBCHAPTER X-INTERNATIONAL ACTIVITIES**

