Implementing Continuous PM2.5 Federal Equivalent Methods (FEMs) and Approved Regional Methods (ARMs) in State ot Local Monitoring Station (SLAMS) Networks.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Use of PM2.5 FEMs and ARMs in SLAMS Networks (PDF)(6 pp, 431 K)