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Special Modeling in Support of the Tier2/Sulfur Analysis
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This Web page includes information about special vehicle and engine emission modeling completed in support of the Tier 2/Sulfur Gasoline Final Rulemaking. The modeling analyzed on-highway, light-duty vehicle and trucks (all pollutants), heavy-duty gasoline vehicles (NOx and VOC), heavy-duty vehicles (PM and SOx), nonroad stationary, and other sources. Also, photochemical ozone modeling and toxics modeling as they relate to Tier 2/Sulfur Analysis are found here.
For further information or assistance regarding this web page, contact: ASD Information Line, phone: (734) 214-4636 or email: ASD Info (asdinfo@epa.gov)
- Emissions Inventories
- Photochemical Ozone Modeling
- Toxics Modeling
- Related EPA Mobile Source Modeling Pages
- NPRM Modeling
NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
Emissions Inventories
- Report on the methodology for generating emissions inventories from all sources used in the air quality analysis: Procedures for Developing Base Year and Future Year Mass and Modeling Inventories for the Tier 2 Final Rulemaking, E.H. Pechan and Associates (ZIP) (19MB)
- Memorandum on the methodology used for developing MOBILE6 adjustment factors for the on-highway inventories in the air quality analysis (PDF) (76K)
- Memorandum on the methodology used for developing light-duty emissions inventories in all years presented in the Tier 2 final rulemaking (PDF) (151K)
Photochemical Ozone Modeling
- Technical Support Document for the Tier 2/Gasoline Sulfur Ozone Modeling Analysis 474K PDF
Toxics Modeling
- Exposure Analysis for Atlanta
| Exposure Analysis Tables | Text | |
|---|---|---|
| County Average Exposure (µg/m3) | county.pdf | county.txt |
| District Average Exposure (µg/m3) | district.pdf | district.txt |
| Annual Fractiles (%) | fractile.pdf | fractile.txt |
| Hour of the Day Exposure | hour.pdf | hour.txt |
| Microenvironmental Concentration and Duration | mecd.pdf | mecd.txt |
| Microenvironmental Exposure | meexp.pdf | meexp.txt |
| Annual Percentiles (µg/m3) | pctile.pdf | pctile.txt |
| List of Ambient CO monitors (from AIRS) Annual Percentiles (µg/m3) | table1.pdf | table1.txt |
| County Populations and Exposure Estimates | table4.pdf | table4.txt |
Related EPA Mobile Source Modeling Pages
- April 2000 MOBILE5 Info Sheet #8, Tier 2 Benefits Using MOBILE5 (PDF) (46K, EPA420-F-00-001)
- Documentation of Analyses done for MOBILE6 Development
- MOBILE6
- MOBILE5
- PART5
- NONROAD
- "AP-42"
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