XDE 40

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2010-03-17
Personnel : B.S., T.S. & E.L.
Temperature (°F) : 39 Humidity (%) : 66
Wind Speed (mph) : Calm Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.1
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by T.S.
Initial Sound Level Meter Calibration: true checked by T.S.
Exterior Ambient Noise Level dB(A): 35.0

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 67.1 1 67.5
2 67.4 2 67.6
3 67.6 3 67.5
4 68.1 4 67.5
5 67.1 5 67.8
Average of two highest actual noise levels = 67.9 dB(A) Average of two highest actual noise levels = 67.7 dB(A)