Environmental Protection Agency
On or about July 31, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available a final report, Risk and Exposure Assessment to Support the Review of the SO<INF>2</INF> Primary National Ambient Air Quality Standard: Final Report. This document presents the approaches taken to assess exposures to ambient SO<INF>2</INF> and to characterize associated health risks, and presents the results of those assessments. This document also contains a staff policy assessment regarding the adequacy of the current SO<INF>2</INF> NAAQS and potential alternative primary SO<INF>2</INF> standards.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency [EPA-HQ-OAR-2007-0352; FRL-8936-9] AGENCY: Environmental Protection Agency (EPA). ACTION: Notice of availability of final report. SUMMARY: On or about July 31, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available a final report, Risk and Exposure Assessment to Support the Review of the SO 2 Primary National Ambient Air Quality Standard: Final Report. This document presents the approaches taken to assess exposures to ambient SO 2 and to characterize associated health risks, and presents the results of those assessments. This document also contains a staff policy assessment regarding the adequacy of the current SO 2 NAAQS and potential alternative primary SO 2 standards. FOR FURTHER INFORMATION CONTACT: Dr. Michael J. Stewart, Office of Air Quality Planning and Standards (Mail Code C504-06), U.S. Environmental Protection Agency, Research Triangle Park, NC 27711; e-mail: stewart.michael@epa.gov ; telephone: 919-541-7524; fax: 919-541-0237. SUPPLEMENTARY INFORMATION: General Information A. How Can I Get Copies of This Document and Other Related Information? 1. Docket. EPA has established a docket for this action under Docket ID No. EPA-HQ-OAR-2007-0352. Publicly available docket materials are available either electronically through http://www.regulations.gov or in hard copy at the EPA Docket Center (EPA/DC), EPA West, Room 3334, 1301 Constitution Ave., NW., Washington, DC. The EPA Docket Center Public Reading Ro…
Other Federal Register documents from the same docket.
Denial of the Petitions To Reconsider the Final Rule Promulgating the Primary National Ambient Air Quality Standard for Sulfur Dioxide
Primary National Ambient Air Quality Standard for Sulfur Dioxide
Primary National Ambient Air Quality Standard for Sulfur Dioxide
Second Draft Risk and Exposure Assessment Report for Sulfur Dioxide (SO2)
Second Draft Risk and Exposure Assessment Report for Sulfur Dioxide (SO2)
Citation: 74 FR 37705
