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PM2.5 Chemical Composition in the Conterminous U.S. during 2006-2020

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: October 03, 2025 | Last Modified: 2025-08-14
Spatiotemporal trends in PM2.5 chemical composition in the conterminous U.S. This dataset is not publicly accessible because: Non-EPA data owned by University of North Carolina at Chapel, Institute for the Environment. It can be accessed through the following means: Contact Saravanan Arunachalam at UNC Chapel Hill: sarav@email.unc.edu. Format: N/A. This dataset is associated with the following publication: Cheng, B., K. Alapaty, and S. Arunachalam. Spatiotemporal Trends in PM2.5 Chemical Composition in the Conterminous U.S. during 2006-2020. ATMOSPHERIC ENVIRONMENT. Elsevier B.V., Amsterdam, NETHERLANDS, 316: 120188, (2024).

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