DESIGNATIONS FOR THE 24-HOUR
Particulate Matter PM2.5
NATIONAL AMBIENT AIR QUALITY STANDARDS
\//\ Nonattainment (1997 NAAQS)
Nonattainment (2006 NAAQS)
I I Deferred Tribal Lands
Unclassifiable/Attainment
Sources: Title 40 CFR Part 81, §303, 305, 312, 329, 352, 353,
354 (2011), 76 FR 6056 (February 3, 2011), ESRI (2006), TANA (2006).
American Samoa and Northern Mariana Islands (not shown
nonattainment area, but included in the 1997 24-Hour PM2.5	REGION 9 - AIR
NAAQS nonattainment area.	air 110001 s_2 28 February 2011

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