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Lead Designations

Lead Designations Regulatory Actions

This page contains a chronological listing of all regulatory actions related to designations for the 2008 lead standard.

EPA Announces Proposal to Retain Current Lead National Ambient Air Quality Standards (NAAQS)

EPA Completes Second Round of Lead Nonattainment Designations

  • November 8, 2011 - EPA designated all remaining areas as meeting or not meeting the 2008 lead standards based on data from 2008 - 2010.

EPA Shares Plans for Second Round of Lead Designations

  • June 15, 2011 - In response to recommendations from state and local tribal representatives, EPA sent letters outlining the areas it is considering designating as “nonattainment,” "unclassifiable/attainment," or "unclassifiable" for the second round of designations for the lead standards.

EPA Completes Initial Round of Lead Nonattainment Designations

Recommendations for Areas to be Designated Nonattainment for the 2008 Lead National Air Quality Standards

  • June 15, 2010 – In response to recommendations from state and local tribal representatives, EPA sent letters outlining the areas it is considering designating as “nonattainment” for the lead standards.