Lead (1978) Nonattainment AreasAs of January 30, 2015
Current and historical design value data can be found at http://www.epa.gov/airtrends/values.html
|Areas Listed Alphabetically||No.
|East Helena Area (Lewis and Clark Co.), MT||1||2,669||8||MT|
|Jefferson County (part); Herculaneum, MO||1||2,560||7||MO|
|2 Total Areas||2||5,229|
No. of Counties reflects the number of counties in an area, while the total count only counts a county once and doesn't double count the county if it is in more than area.
Multi-state areas are counted in the nonattainment report until all state areas have been redesignated.