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Office of Planning, Environment, & Realty (HEP)

Emissions Analysis

Regional emissions analysis requirements are applicable for all nonattainment and maintenance areas in making a conformity determination. The regional emissions analysis forms the basis of the conformity determination and is performed to demonstrate the consistency of transportation plans and TIPs with the SIP motor vehicle emissions budgets.


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Updated: 4/4/2014
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Turner-Fairbank Highway Research Center | 6300 Georgetown Pike | McLean, VA | 22101