AIRPOL- 4A: An Introduction and User's Guide
Report No: 76-R38
Published in 1976
About the report:
This report details the mechanics of implementing the computer program AIRPOL-4A. AIRPOL-4A supersedes AIRPOL-4. The upgrade from version 4 to version 4A is a result of the new emissions guidelines contained in Supplement 5 to AP-42, April 1975, by the Environmental Protection Agency. Appendix A details the mechanics of implementing the computer program EMISSION, which has been designed to meet these new guidelines.
- 76-R38
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Disclaimer Statement:The contents of this report reflect the views of the author(s), who is responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Virginia Department of Transportation, the Commonwealth Transportation Board, or the Federal Highway Administration. This report does not constitute a standard, specification, or regulation. Any inclusion of manufacturer names, trade names, or trademarks is for identification purposes only and is not to be considered an endorsement.
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Last updated: January 29, 2024
