Policy assessment for the reconsideration of the National Ambient Air Quality Standards for particulate matter, external review draft
Publication Info.
Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division, 2021.
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Description
1 online resource (649 pages in various pagings) : color illustrations, color maps
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Note
"October 2021."
"EPA-452/P-21-001."
Bibliography
Includes bibliographical references.
Note
Online resource; title from PDF (EPA, viewed Dec. 13, 2021).
