Integrated Science Assessment for Particulate Matter (Second External Review Draft)
Notice - This site contains archived material(s)
Archived files are provided for reference purposes only. The file was current when produced, but is no longer maintained and may now be outdated. Persons with disabilities having difficulty accessing archived files may contact the NCEA Webmaster for assistance. Please visit http://epa.gov/ncea to access current information.
PM is one of six principal (or criteria) pollutants for which EPA has established NAAQS. Periodically, EPA reviews the scientific basis for these standards by preparing an ISA (formerly called an Air Quality Criteria Document). The ISA and supplementary annexes, in conjunction with additional technical and policy assessments, provide the scientific basis for EPA decisions on the adequacy of the current NAAQS and the appropriateness of possible alternative standards. The Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee whose existence and whose review and advisory functions are mandated by Section 109 (d) (2) of the Clean Air Act, is charged (among other things) with independent scientific review of EPA's air quality criteria.
|1969||EPA published the first Air Quality Criteria for Particulate Matter and Air Quality Criteria for Sulfur Oxides.|
|1970||EPA published an update to the Air Quality Criteria for Particulate Matter and Air Quality Criteria for Sulfur Oxides.|
|1977||The Air Quality Criteria Document (including 3 volumes) were updated in response to specific requirements of Section 108 of the Clean Air Act, as amended in 1977.|
|Dec 1982||EPA published an update to the Air Quality Criteria for Particulate Matter and Sulfur Oxides.|
|Dec 1986||EPA published the Second Addendum to Air Quality Criteria for Particulate Matter and Sulfur Oxides (1982): Assessment of New Findings on Sulfur Dioxide and Acute Exposure Health Effects in Asthmatic Individuals.|
|Aug 1994||EPA published the Supplement to the Second Addendum (1986) to Air Quality Criteria for Particulate Matter and Sulfur Oxides (1982): Assessment of New Findings on Sulfur Dioxide and Acute Exposure Health Effects in Asthmatic Individuals.|
|Apr 1996||EPA released an updated Air Quality Criteria Document for Particulate Matter (Final Report).|
|1997 - 2004||EPA released multiple external review drafts for comment and review.|
|Oct 2004||EPA released an updated Air Quality Criteria Document for Particulate Matter (Final Report).|
|Jun 2007||EPA formally initiated its current review of the air quality criteria for PM, requesting the submission of recent scientific information on specific topics. [ Federal Register Jun 28, 2007]|
|Oct 2007||EPA released an external review draft of EPA's Integrated Review Plan for the National Ambient Air Quality Standard for Particulate Matter (EPA/452/P-08/006) for public comment and was discussed by the CASAC via a publicly accessible teleconference consultation on November 30, 2007 (72 FR 63177).|
|Mar 2008||EPA released the final plan, Integrated Review Plan for the National Ambient Air Quality Standard for Particulate Matter(EPA/452/R-08/004).|
|Jun 2008||EPA held a workshop to discuss, with invited scientific experts, initial draft materials prepared in the development of the PM ISA and its supplementary annexes. [Federal Register May 27, 2008]|
|Dec 2008||EPA released the first external review draft of the ISA for PM assessment for public review and comment.[Federal Register Dec 19, 2008]|
|Feb 2009||EPA's Science Advisory Board (SAB) announced a public meeting of the Clean Air Scientific Advisory (CASAC) PM Review Panel to discuss the PM ISA (First External Review Draft). [Federal Register Feb 19, 2009]|
|Jul 2009||EPA released the second external review draft for public review and comment.[Federal Register Jul 31, 2009]|
|Sep 2009||EPA's Science Advisory Board (SAB) announced a public meeting of the Clean Air Scientific Advisory (CASAC) PM Review Panel to discuss the PM ISA (Second External Review Draft). [Federal Register Sep 10, 2009]|
This download(s) is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. It has not been formally disseminated by EPA. It does not represent and should not be construed to represent any Agency determination or policy.
Submitting Comments: Comments on the draft ISA for PM (Second External Review Draft) or it's annexes may be submitted and reviewed using the e-Government Regulations.gov Web site. From the site, select Environmental Protection Agency and the keyword EPA-HQ-ORD-2007-0517 (for the docket ID) to comment on this report and supporting documents.