Lead Nonattainment Areas

As of July 31, 2009

Areas Listed Alphabetically	No. Counties NAA	Population	EPA Region	State
East Helena Area (Lewis and Clark Co.), MT	1	2,346	8	MT
Jefferson County (part); Herculaneum, MO	1	2,318	8	MT

2 Total Areas	2	4,664

No. of Counties NAA reflects the number of counties in the NAA, while the total count accounts for more than one area being in a county.