### Question
How does REGULATION OF UNDERGROUND STORAGE TANKS define underground storage tank?


### Answer
Under *42 U.S.C. § 6991b*, **underground storage tank** is defined as:

> given to it in section 6991 of this title, except that such term does not include tank combinations or more than a single underground pipe connected to a tank.

#### Citation:
  - *42 U.S.C. § 6991b*
  - Heading: **CHAPTER 82-SOLID WASTE DISPOSAL > SUBCHAPTER IX-REGULATION OF UNDERGROUND STORAGE TANKS**

