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Sulfur Dioxide (SO2) Primary Standards -
Documents from Current Review -
Risk and Exposure Assessments

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File Date

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Presentation and analysis of controlled human exposure data described in Table 3-1 of the 2008 Integrated Science Assessment (ISA) for Sulfur Oxides, Johns 4/29/09 memo
 May 2009 PDF file
118 kb
Notice of Availability- Second Draft SO2 Risk and Exposure Assessment Apr 2009 PDF file
85 kb
Investigation of How Distributions of Hourly SO2 Concentrations Have Changed Over Time in Six Cities, Rizzo memo, 3/16/09 Mar 2009 PDF file
357 kb
Air Quality Statistics for Cities Referenced in Key U.S. and Canadian Epidemiological Studies of Hospital Admission and Emergency Department Visits for All Respiratory Causes and Asthma - Thompson and Stewart, 3/25/09 memo Mar 2009 PDF file
825 kb
Sulfur Dioxide Descriptive Statistics Tables - Thompson, 3/25/09 memo Mar 2009 PDF file
760 kb
Risk and Exposure Assessment to Support the Review of the SO2 Primary National Ambient Air Quality Standards - First Draft (includes July 2008 errata sheet) Jun 2008 PDF file
3.8 MB

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