(Click on "Download .PNG" to see large graphic.) Noisiest time of day vs. arrivals and departures at Reagan National Airport as perceived by area residents and workers asked in a questionnaire.
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(Click on "Download .PNG" to see large graphic.) Noisiest time of day vs. arrivals and departures at Reagan National Airport as perceived by area residents and workers asked in a questionnaire.

(Click on "Download .PNG" to see large graphic.) Noisiest time of day vs. arrivals and departures at Reagan National Airport as perceived by area residents and workers asked in a questionnaire.

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