<searchTitle>Release of Draft Documents Related to the Review of the National Ambient Air Quality Standards for Particulate Matter; Federal Register Vol. 74, Issue </searchTitle>
<granuleClass>NOTICE</granuleClass>
<accessId>E9-21822</accessId>
<agency order="1">ENVIRONMENTAL PROTECTION AGENCY</agency>
<commentDate>2009-10-15</commentDate>
<departmentDoc>EPA-HQ-OAR-2007-0492</departmentDoc>
<departmentDoc>FRL-8955-2</departmentDoc>
<billingCode>6560-50-P</billingCode>
<frDocNumber>E9-21822</frDocNumber>
<action>Availability of draft documents for public comment.</action>
<summary>On or about September 4, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available for public comment two draft assessment documents: Risk Assessment to Support the Review of the PM Primary National Ambient Air Quality Standards-- External Review Draft and Particulate Matter Urban-Focused Visibility Assessment--External Review Draft. These draft documents describe the quantitative analyses that are being conducted as part of the review of the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM).</summary>
<dates>Comments should be submitted on or before October 15, 2009.</dates>
<contact>For questions related to the draft document titled, Risk Assessment to Support the Review of the PM Primary National Ambient Air Quality Standards: External Review Draft (September 2009), please contact Dr. Zachary Pekar, Office of Air Quality Planning and Standards (Mail code C504-06), U.S. Environmental Protection Agency, Research Triangle Park, NC 27711; e-mail: pekar.zachary@epa.gov; telephone: 919-541-3704; fax: 919-541-0237.</contact>
<tocDoc>Release of Draft Documents Related to the Review of the National Ambient Air Quality Standards for Particulate Matter
, </tocDoc>
<emailRef>a-and-r-docket@epa.gov</emailRef>
<emailRef>hassett-sipple.beth@epa.gov</emailRef>
<emailRef>pekar.zachary@epa.gov</emailRef>
<emailRef>sandiford.vicki@epa.gov</emailRef>
<urlRef>http://www.epa.gov/epahome/dockets.htm</urlRef>
<urlRef>http://www.epa.gov/ttn/naaqs/review.html</urlRef>
<urlRef>http://www.epa.gov/ttn/naaqs/standards/pm/s_pm_2007_isa.html</urlRef>
<urlRef>http://www.epa.gov/ttn/naaqs/standards/pm/s_pm_2007_pd.html</urlRef>
<urlRef>http://www.epa.gov/ttn/naaqs/standards/pm/s_pm_index.html</urlRef>
<urlRef>http://www.regulations.gov</urlRef>
<urlRef>http://yosemite.epa.gov/sab/sabproduct.nsf/4620a620d0120f93852572410080d786/350899ec134552948525746600691de5!OpenDocument</urlRef>