### Question
How is the "lubricating oil" defined?


### Answer
The term **lubricating oil** is defined in *42 U.S.C. § 6903* as follows -

> the fraction of crude oil which is sold for purposes of reducing friction in any industrial or mechanical device

#### Citation:
  - *42 U.S.C. § 6903*
  - Heading: **CHAPTER 82-SOLID WASTE DISPOSAL > SUBCHAPTER I-GENERAL PROVISIONS**

