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Lead (1978) Nonattainment Area State/Area/County ReportData is current as of May 31, 2023
|MISSOURI (Region VII)|
|Jefferson County (part); Herculaneum, MO (Nonattainment)|
|Jefferson County (P)|
|Within city limits of Herculaneum.|
(P) : A portion of the county is located within the area and is designated nonattainment.
This is not an official list of nonattainment areas. See the Code of Federal Regulations (40 CFR Part 81) and pertinent Federal Register notices for legal lists and boundaries.