North Texas Clean Air Efforts Show Progress
Nov 29, 2016 10:11PM
The 10-county North Central Texas (NCT) nonattainment area, designated by the Environmental Protection Agency (EPA) as moderate nonattainment for the 2008 eight-hour ozone standard (less than or equal to 75 ppb (parts per billion), saw the 2016 ozone season conclude at the end of October by recording the fewest number of exceeding days and the lowest design value since it was designated nonattainment for ozone in 1991.
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