### Question
How does MATERIALS AND MINERALS POLICY, RESEARCH, AND DEVELOPMENT define byproduct?


### Answer
Under *30 U.S.C. § 1606*, **byproduct** is defined as:

> a critical mineral—


(A) the recovery of which depends on the production of a host mineral that is not designated as a critical mineral

#### Citation:
  - *30 U.S.C. § 1606*
  - Heading: **CHAPTER 28-MATERIALS AND MINERALS POLICY, RESEARCH, AND DEVELOPMENT**

