TY - DATA AU - Esworthy,Robert ED - Library of Congress. TI - 2006 National Ambient Air Quality Standards (NAAQS) for fine particulate matter (PM2.5): designating nonattainment areas T2 - Report / Congressional Research Service PY - 2018///- CY - [Washington, D.C.] PB - Congressional Research Service KW - Air KW - Pollution KW - United States KW - Particles KW - Environmental aspects KW - Air quality management N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2013; Report includes illustrations; CRDP Program record; Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo122840 ER -