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Pages 4-5

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From page 4...
...   Page 4   1 Introduction Modeling of airport-related noise and air quality impacts began over 40 years ago. Motivated by the National Environmental Policy Act of 1970, and enabled by emerging computer technology, the Federal Aviation Administration (FAA)
From page 5...
...   Page 5   Section 2 – Available Modeling Methods: A description of the array of profile modeling techniques that existed before AEDT, that are new to AEDT, and that are provided by ACRP 0255. Section 3 – Selection of Modeling Method Overview: A guideline for AEDT users to select the appropriate profile modeling method based on their unique situation and the needs versus constraints of the environmental study at hand.

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