LFS - 60'

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Exterior Noise Test

Accelerating from Standstill

Date : 2010-03-18
Personnel : B.L., T.S. & C.S.
Temperature (°F) : 57 Humidity (%) : 27
Wind Speed (mph) : 1 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.06
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 B.L.
Initial Sound Level Meter Calibration: true checked by T.S.
Exterior Ambient Noise Level dB(A): 42.1

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 73.4 1 75.7
2 73.1 2 76.3
3 72.3 3 75.8
4 73.2 4 76.7
5 75.6 5 74.2
Average of two highest actual noise levels = 74.5 dB(A) Average of two highest actual noise levels = 76.5 dB(A)