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Measuring the Improvement

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Measuring the Improvement
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The Program is required to test 10% of the homes participating in the Program in order to ensure that the Airport Authority is meeting or exceeding the FAA’s five dB NLR (Noise Level Reduction). If selected for sound testing, two additional appointments will be scheduled; one before and one after construction, to quantify the amount of sound entering your home.

During both appointments, access will be needed to the interior and exterior of your home as the Program’s acoustical engineer consultant will operate a loud speaker outside of your home and will use microphones at various locations on the exterior and interior of your home. The results from the two testing appointments will be compared to quantify the actual NLR.


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