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Particulate Matter (PM) Standards -
Documents from Review Completed in 2012 -
Risk and Exposure Assessments

Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Standards Home Page for documents from the current review of the PM NAAQS.

 

Human Health Risk Assessment
	Quantitative Health Risk Assessment for Particulate Matter - Final Report	Jun 2010	1.1 MB
	Quantitative Health Risk Assessment for Particular Matter - Air Quality Data Files (for proportional and locally-focused rollback-based analyses)	Jun 2010
	Quantitative Health Risk Assessment for Particular Matter - Air Quality Data Files (for hybrid rollback-based analyses)	Jun 2010
	Quantitative Health Risk Assessment for Particulate Matter – Second External Review Draft	Feb 2010	5.2 MB
	Risk Assessment to Support the Review of the PM Primary National Ambient Air Quality Standards - External Review Draft	Sept 2009	5.3 MB
Urban-Focused Visibility Assessment
	Particulate Matter Urban-Focused Visibility Assessment - Final Document (includes corrected Table 4-4)	Jul 2010	8.5 MB
	Corrected Urban-Focused Visibility Assessment Data File	Jul 2010
	Revision to Section 3.3.5 of the Second External Review Draft of the PM Urban Visibility Assessment, Lorang and Schmidt 3/4/10 memo	Mar 2010	73 KB
	Corrections to Relative Humidity Values Used in the Draft Urban-Focused Visibility Assessment, Availability of Data File Comparing Incorrect RH Data to Corrected RH Data for Atlanta and Birmingham, Lorang 2/3/10 memo	Feb 2010	113 kb
	Statistical Analysis of Existing Urban Visibility Preference Studies, Deck and Lawson 2/3/10 memo	Feb 2010	171 kb
	Particulate Matter Urban-Focused Visibility Assessment - Second External Review Draft	Jan 2010	16.8 MB
	Corrections to Relative Humidity Values Used in the Draft UFVA, Corrected Graphics, Tables, and Availability of Detailed Data File for Current Conditions, Lorang 11/10/09 memo	Nov 2009	682 kb
	Urban-Focused Visibility Assessment Data File	Nov 2009	10.7 MB
	Particulate Matter Urban-Focused Visibility Assessment – External Review Draft	Sept 2009	6.9 MB

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