### Question
How does the law define environmental assessment?


### Answer
Under *42 U.S.C. § 4370m*, **environmental assessment** is defined as:

> a concise public document for which a Federal agency is responsible under section 1508.9 of title 40, Code of Federal Regulations (or successor regulations)

#### Citation:
  - *42 U.S.C. § 4370m*
  - Heading: **CHAPTER 55-NATIONAL ENVIRONMENTAL POLICY > SUBCHAPTER IV-FEDERAL PERMITTING IMPROVEMENT**

