### Question
What is the definition of empty ballast tank?


### Answer
The definition of **empty ballast tank** is as follows in *33 U.S.C. § 1322*:

> a tank that—


(i) has previously held ballast water that has been drained to the limit of the functional or operational capabilities of the tank (such as loss of suction)

#### Citation:
  - *33 U.S.C. § 1322*
  - Heading: **CHAPTER 26-WATER POLLUTION PREVENTION AND CONTROL > SUBCHAPTER III-STANDARDS AND ENFORCEMENT**

