### Question
Can you define what low dose-rate radiation means?


### Answer
**Low dose-rate radiation** is defined as the following in *42 U.S.C. § 18644*:

> a radiation dose rate of less than 5 millisieverts per hour

#### Citation:
  - *42 U.S.C. § 18644*
  - Heading: **CHAPTER 161-DEPARTMENT OF ENERGY RESEARCH AND INNOVATION > SUBCHAPTER III-DEPARTMENT OF ENERGY OFFICE OF SCIENCE POLICY**

