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Emission Inventory Improvement Program

Technical Report Series Volume 4
Mobile Sources

Explanation of File Formats
Chapter 1 Preferred and Alternate Methods for Gathering and Locating Specific Emission Inventory Data. June 1996 (PDF 379K)
Chapter 2 Use of Locality-Specific Transportation Data for the Development of Mobile Source Emission Inventories. September 1997 (PDF 358K)
Chapter 3 Guidance for Estimated Lawn and Garden Equipment Activity Levels. September 1997 (PDF 303K)

| Office of Air Quality Planning & Standards | Technology Transfer Network |
| Clearinghouse for Inventories & Emissions Factors |

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