LFS-40

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Exterior Noise Test

Accelerating from Standstill

Date : 2008-10-18
Personnel : T.W., T.S. & S.C.
Temperature (°F) : 63 Humidity (%) : 65
Wind Speed (mph) : Wind Direction :
Barometric Pressure (in.Hg) : 30.2
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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 41.3

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 76.8 1 77.4
2 76.4 2 77.8
3 76.4 3 76.3
4 76.4 4 76.9
5 76.8 5 77.3
Average of two highest actual noise levels = 76.8 dB(A) Average of two highest actual noise levels = 77.6 dB(A)