This is an alternate content page containing a Flash Card Activity. It has opened in a new window.
Here is a list of the terms and definitions on each card.

Card 1:
Term: Major source
Definition: Stationary source that has the potential to emit, on a contaminant by contaminant basis, at or above one of the significant emission rates of any air contaminant for which a national ambient air quality standard has been issued.
Card 2:
Term: Major modification
Definition: Any physical change in, or change in the method of operation of, a major source that causes a significant project emissions increase and a significant net emissions increase for any federally regulated NSR pollutant.

Flashcard activity for the terms "major source" and "major modification"