Sulfur Dioxide (SO2) Primary Standards -
Documents from Current Review -
Risk and Exposure Assessments
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|
File Description |
File Date |
File Types |
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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](https://webarchive.library.unt.edu/eot2008/20090509044449im_/http://epa.gov/ttn/images/pdficons.gif)
118 kb |
|
Notice of Availability- Second Draft SO2 Risk and Exposure Assessment |
Apr 2009 |
![PDF file](https://webarchive.library.unt.edu/eot2008/20090509044449im_/http://epa.gov/ttn/images/pdficons.gif)
85 kb |
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Investigation of How Distributions of Hourly SO2 Concentrations Have Changed Over Time in Six Cities, Rizzo memo, 3/16/09 |
Mar 2009 |
![PDF file](https://webarchive.library.unt.edu/eot2008/20090509044449im_/http://epa.gov/ttn/images/pdficons.gif)
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](https://webarchive.library.unt.edu/eot2008/20090509044449im_/http://epa.gov/ttn/images/pdficons.gif)
825 kb |
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Sulfur Dioxide Descriptive Statistics Tables - Thompson, 3/25/09 memo |
Mar 2009 |
![PDF file](https://webarchive.library.unt.edu/eot2008/20090509044449im_/http://epa.gov/ttn/images/pdficons.gif)
760 kb |
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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](https://webarchive.library.unt.edu/eot2008/20090509044449im_/http://epa.gov/ttn/images/pdficons.gif)
3.8 MB |