### Question
Can you define what actual 1985 emission rate means?


### Answer
**Actual 1985 emission rate** is defined as the following in *42 U.S.C. § 7651a*:

> the annual sulfur dioxide or nitrogen oxides emission rate in pounds per million Btu as reported in the NAPAP Emission Inventory, Version 2

#### Citation:
  - *42 U.S.C. § 7651a*
  - Heading: **CHAPTER 85-AIR POLLUTION PREVENTION AND CONTROL > SUBCHAPTER IV&ndash;A-ACID DEPOSITION CONTROL**

