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Lead Nonattainment Areas
As of December 14, 2012Current and historical design value data can be found at http://www.epa.gov/airtrends/values.html
| Areas Listed Alphabetically | Design Values at Designation |
No. Counties NAA |
2010 Population |
EPA Region |
State |
|---|---|---|---|---|---|
| (ug/m3) | |||||
| 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 | |||
The county total is adjusted to count a single county only once (in the case where part of a county may be in multiple maintenance areas). Any multi-state areas are counted in the nonattainment report until all state areas have been redesignated.
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