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What are Noise Contour Maps?

Contour Maps noise
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What are Noise Contour Maps?

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Noise Exposure Maps (NEMs) were developed in Phase I of the Part 150 Study. They identified the noise exposure for current operating conditions, and projected future conditions, at the OSU Airport. The analysis indicated that the 65 DNL contour – the FAA’s threshold for significant noise – falls mainly within Airport property. Land uses falling outside the 65 DNL contour are considered compatible.

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