Trends in PM2.5 transition metals in urban areas across the United States

Using data from the Environmental Protection Agency’s Chemical Speciation Network, we have characterized trends in PM _2.5 transition metals in urban areas across the United States for the period 2001–2016. The metals included in this analysis—Cr, Cu, Fe, Mn, Ni, V, and Zn—were selected based upon t...

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Bibliographic Details
Main Authors: Christopher J Hennigan, Aidan Mucci, Brian E Reed
Format: Article
Language:English
Published: IOP Publishing 2019-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/ab4032