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Air Quality System (AQS) ambient observations: 2008 Lead

Published by U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS) | U.S. Environmental Protection Agency | Metadata Last Checked: July 09, 2025 | Last Modified: 2015-09-23
Ambient Lead (Pb) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).

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