### Question
How is the term ozone-depletion potential defined?


### Answer
The term **ozone-depletion potential** is defined in *42 U.S.C. § 7671* as the following:

> a factor established by the Administrator to reflect the ozone-depletion potential of a substance, on a mass per kilogram basis, as compared to chlorofluorocarbon-11 (CFC–11)

#### Citation:
  - *42 U.S.C. § 7671*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections**

