Reviewing National Ambient Air Quality Standards (NAAQS)
Particulate Matter (PM) Standards -
Documents from Review Completed in 2012 -
Other Technical Documents
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| File Description | File Date | File Types | |
| Air Quality Modeling Technical Support Document for the Regulatory Impact Analysis for the Revisions to the National Ambient Air Quality Standards for Particulate Matter | Dec 2012 |  14.2 MB |
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| Evaluation of the PM2.5 'Collocated PM10' Data Substitution Routine, 2009-2011. Schmidt, 12/14/12 memo | Dec 2012 | 224 kb |
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| Evaluation of PM2.5 Seasonal Sampling, 2009-2011. Schmidt, 12/14/12 memo | Dec 2012 | 224 kb |
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| Reanalysis of the relationship between 24-hour and 4-hour visibility index levels. Frank, 12/14/12 memo | Dec 2012 | 224 kb |
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| Updated comparison of 24-hour PM2.5 design values and visibility index design values. Kelly et al. 12/14/12 memo | Dec 2012 | 582 kb |
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| Provisional Assessment of Recent Studies on Health Effects of Particulate Matter Exposure. | Dec 2012 | 634 kb |
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| Differences between maximum and composite monitor annual PM2.5 design values by CBSA. Frank 12/13/12 memo | Dec 2012 | 349 kb |
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| Sensitivity Analysis of Long-term Mean PM2.5 Concentrations for Selected Long-term Exposure Epidemiological Studies. Schmidt 12/13/12 memo | Dec 2012 | 483 kb |
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| Technical Analyses to Support Surrogacy Policy for Proposed Secondary PM2.5 NAAQS under NSR/PSD Programs, Kelly et al., 6/14/12 memo | June 2012 | 1.8 MB |
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| Recommendations for Sampling Artifact Correction for PM2.5 Organic Carbon, Frank 6/14/12 memo | June 2012 | 75 kb |
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| Documentation of Measurement Uncertainty Estimates of Collocated Chemical Speciation Network and IMPROVE Data for Use in the Secondary PM2.5 Standard for Visibility, Papp, 6/13/12 memo | June 2012 | 3.3 MB |
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| Air Quality Analyses and Data Sets used in PM NAAQS Review |  |
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| Investigation of 1-hour PM2.5 Mass Concentration Data from EPA-Approved Continuous Federal Equivalent Method Analyzers, Evangelista, 4/5/11 memo | Apr 2011 | 1.9 MB |
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| Assessment of PM2.5 FEMs Compared to Collocated FRMs, Hanley and Reff, 4/7/11 memo | Apr 2011 | 114 KB |
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| PM2.5 Distributional Statistical Analyses, Rajan et al., 4/7/11 memo | Apr 2011 | 150 KB |
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| PM10 and PM10-2.5 Air Quality Analyses, Schmidt, 4/14/11 memo | Apr 2011 | 921 KB |
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| PM2.5 Air Quality Analyses - Update, Schmidt, 4/15/11 memo | Apr 2011 | 463 KB |
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| Supplemental analysis of PM10 Air Quality from Locations Evaluated by Zanobetti and Schwartz (2009), Jenkins, 2/3/11 memo | Feb 2011 | 21 KB |
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| Simplified Approaches for Calculation of Hourly PM2.5 Light Extinction Values From Hourly PM2.5 Mass and Relative Humidity Data and 24-hour PM2.5 Composition Data, Lorang, 11/17/10 memo | Nov 2010 | 1.0 MB |
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| Assessment of the Use of Speciated PM2.5 Mass-Calculated Light Extinction as a Secondary PM NAAQS Indicator of Visibility, Pitchford, 11/17/10 memo | Nov 2010 | 2.9 MB |
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| PM2.5 Air Quality Analyses, Schmidt et al., 7/22/10 memo | Jul 2010 | 120 KB |
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| Explanation of Error in Table 4-3 of the Final UFVA, Lorang, 7/23/10 memo | Jul 2010 | 65 KB |
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| SANDWICH-Related Correction to the UFVA Data File, as Used for the Final Document, Lorang, 7/23/10 memo |
Jul 2010 | 100 KB |
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| Particulate Matter Air Quality Data Requested from Epidemiologic Study Authors, Stanek et al., 7/22/10 memo | Jul 2010 | 61 KB |
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| PM10 and PM10-2.5 Air Quality Analyses, Schmidt and Jenkins, 7/22/10 memo | Jul 2010 | 910 KB |
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| Analyses of PM2.5 Data for the PM NAAQS Review, Hassett-Sipple, et al., 3/29/10 memo | Mar 2010 | 831 KB |
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| Corrections to Relative Humidity Values Used in the Draft Urban-Focused Visibility Assessment, Availability of Data File Comparing Incorrect RH Data to Corrected RH Data for Atlanta and Birmingham, Lorang 2/3/10 memo | Feb 2010 | 113 kb |
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| Statistical Analysis of Existing Urban Visibility Preference Studies, Deck and Lawson 2/3/10 memo | Feb 2010 | 171 kb |
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| Corrections to Relative Humidity Values Used in the Draft UFVA, Corrected Graphics, Tables, and Availability of Detailed Data File for Current Conditions, Lorang 11/10/09 memo | Nov 2009 | 682 kb |
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| Review of Urban Visibility Public Preference Studies (Final Report) | Sep 2009 | 811 KB |